CN1289057A - Wide-angle camera-shooting device and wide-angle camera-shooting display device - Google Patents

Abstract

Provided is a wide-angle camera-shooting device including a primary mirror 102 with a hole in the center and a base supporting the primary mirror 102. The primary mirror 102 supports the edge of the cope 103 passing through the extraneous light. The cope 103 supports the secondary mirror 104 with a hole in the center and a lens 105. The camera-shooting part is supported by the primary mirror 102, meanwhile, the front part of the camera-shooting part directs towards the secondary mirror 104 through the hole of the primary mirror 102. The first beam passing through the cope 103 reflects on the primary mirror 102, after reflecting on the secondary mirror 104, incident from the front end of the camera-shooting and forms an image based on the first beam on the camera-shooting part. The second beam through the lens part 105 of the secondary mirror 104 incident on the front part of the camera-shooting part forms an image based on the second beam on the camera-shooting part.

Description

Wide-angle camera apparatus and wide-angle imaging display device

The wide-angle imaging display device that the present invention relates to carry out the wide-angle camera apparatus of wide-angle imaging and show its image of taking the photograph.The present invention is specially adapted to the video camera of the apparatus for guard against commit crime that is useful on, and also can be used as vehicle and uses with road monitor record video cameras such as surveillance camera, crossroads with anti-crime video camera, boats and ships with registering instrument, vehicle.The present invention is applicable to the situation that once monitors the large tracts of land scope, can be arranged on the ceiling center etc. of the field of selling goods that ceiling center, supermarket or the department stores etc. of main facilities are waited in heading field.

As existing this device, there is the spy to open the disclosed wide-angle camera apparatus of flat 6-812905 communique.Figure 28 is the oblique view of this device.

In Figure 28, transparent top cover 1601 supporting rotational symmetric ring-type primary mirror 1602 around.Near the summit of top cover 1601, supporting rotational symmetric secondary mirror 1604.Lens 1606a is installed on the ccd video camera main body 1606.Primary mirror 1602, secondary mirror 1604 and lens 1606a have optical axis 1607.Image pickup part is made of ccd video camera main body 1606 and lens 1606a.Light transmission top cover 1601 by outside incident reflects at primary mirror 1602, and then in secondary mirror 1604 reflections, by being arranged on the through hole 1602a of primary mirror 1602 central authorities, inciding the lens 1606a of ccd video camera main body 1606 and be imaged on the light-sensitive surface of ccd video camera main body 1606.

In addition, in same communique, also disclose other wide-angle camera apparatus.Figure 29 is the key diagram of this device optical system.

Among Figure 29, this device has rotational symmetric ring-type primary mirror 1702 and rotational symmetric secondary mirror 1704.Lens 1706a is installed on the ccd video camera main body 1706.Primary mirror 1702, secondary mirror 1704 and lens 1706a have optical axis 1707.This device has catoptron 1708,1709.Central authorities at secondary mirror 1704 are provided with through hole 1702a.By with optical axis 1707 parallel direction incidents, at the light of catoptron 1708 and catoptron 1709 reflections by this through hole 1702a, towards lens 1706a and be imaged on the light-sensitive surface of ccd video camera main body 1706.

In same communique, also further disclose other wide-angle camera apparatus.Figure 30 is the key diagram of this device optical system.

Among Figure 30, this device has rotational symmetric ring-type primary mirror 1802 and rotational symmetric secondary mirror 1804.Lens 1806a is installed on the ccd video camera main body 1806.Primary mirror 1802, secondary mirror 1804 and lens 1806a have optical axis 1807.The visual angle (40 °) of the above-below direction of reference symbol 1808 expression Figure 30.In this device, by the light that spreads all over incident in vertical direction 40 degree, the horizontal direction 360 degree scopes by primary mirror 1802 reflections after, reflected by secondary mirror 1804 again, towards lens 1806a and be imaged on the light-sensitive surface of ccd video camera main body 1806.

In existing apparatus shown in Figure 30, form the picture of vertical direction 40 degree, horizontal direction 360 degree visual fields on the light-sensitive surface of ccd video camera main body 1806 annularly, from the numerical information of ccd video camera main body 1806 these images of output expression.Shown in Figure 31 is that this device flatly is installed in situation on the ceiling of corridor.

Among Figure 31, the floor in reference symbol 1001 expression corridors, this device 1002 is installed on the ceiling in corridor.Figure 32 illustrates the light-sensitive surface 1101 and the image 1102 that is imaged on this light-sensitive surface of ccd video camera main body 1806 in this case.

In this communique, about wide-angle camera apparatus shown in Figure 28, explanation is not how primary mirror 1602, secondary mirror 1604 to be installed on the top cover 1601, and the yet fixing means of ccd video camera main body 1606 etc. openly not.

Therefore, unclear what kind of formation that should adopt of reader just can make primary mirror 1602,1702,1802, the mutual alignment of secondary mirror 1604,1704,1804 and ccd video camera main body 1606,1706,1806, attitude are difficult for because of impact, vibration, experience are long-time etc. changes, and obtain preventing the device of the high reliability of shoddyization of image slices.

In addition, wide-angle camera apparatus shown in Figure 29 is the light picked-up wide-angular field that utilizes primary mirror 1702 and secondary mirror 1704 reflections, utilization by the through hole 1704a of secondary mirror 1704 light amplification and absorb certain narrow angular field of view, rather than carry out shooting (high resolving power ground to be to make a video recording in certain angular field of view at center with the optical axis) near human eye.

Wide-angle camera apparatus shown in Figure 30 is to being not make a video recording in certain angular field of view at center with the optical axis, the device of its outer periphery of emphasis ground picked-up.This device does not also disclose the installation method of primary mirror 1802, secondary mirror 1804, ccd video camera main body 1806 etc. etc.

To as shown in Figure 31 existing apparatus shown in Figure 30 flatly being installed in situation on the ceiling of corridor, as shown in Figure 32, the first half of ccd video camera main body 1806 light-sensitive surfaces 1101 is not used, and fails to make full use of light-sensitive surface 1101.

As shown in Figure 32, since on the light-sensitive surface of ccd video camera main body 1806 to become image be a semicircular, so, if former state fixedly inputs to display device to the output of ccd video camera main body 1806, then shown situation also is a semicircular in the display device display frame, thereby has the problem that is difficult to observe.

The present invention makes for solving above-mentioned such problem, the present invention is to be easy to carry out the fixing of top cover, primary mirror and secondary mirror, be easy to carry out the installation and the position adjustment of ccd video camera main body, mutual alignment, the posture of primary mirror, secondary mirror, ccd video camera main body are difficult for because of influences such as impacting, vibrate, experience is long-time changes, and acquisition can prevent that the wide-angle camera apparatus of the high reliability of shoddyization of image slices from being the 1st purpose.

But the 2nd purpose of the present invention is to obtain high resolving power ground approaches the shooting of eyes imaging in the certain angular field of view that is the center wide-angle camera apparatus with the optical axis.

The 3rd purpose of the present invention is to be not make a video recording in certain angular field of view at center being embodied as with the optical axis, under the situation of the wide-angle camera apparatus of its outer periphery of emphasis ground picked-up, also can reach the wide-angle camera apparatus of the 1st above-mentioned purpose.

The 4th purpose of the present invention is to use the light-sensitive surface of ccd video camera main body effectively, obtains the wide-angle camera apparatus of high-resolution ability.

The 5th purpose of the present invention is the wide-angle imaging display device that obtains to be easy to observe based on the demonstration output of ccd video camera main body, in the display device display frame.

The wide-angle camera apparatus that relates to technical solution of the present invention 1 has the convex primary mirror that central authorities have through hole.The approximate hemispheric top cover that sees through from light from outside covers aforementioned primary mirror.The secondary mirror of convex is by aforesaid top cover support.Image pickup part is supported by aforementioned primary mirror.In addition, the front end of image pickup part passes through the through hole of aforementioned primary mirror towards aforementioned secondary mirror, and exporting as picture signal based on the image information of incident light.The light that sees through aforementioned top cover reflects at aforementioned primary mirror, and then after aforementioned secondary mirror reflects once more, incides image pickup part from the front end of aforementioned image pickup part.

Utilize the wide-angle camera apparatus of technical scheme 1, for example, under the situation that aforementioned top cover upwards is set, can remove near the optical axis from horizontal alignment and spread all over universe or the roughly shooting in the universe scope.Under situation about aforementioned top cover being arranged on downwards on the ceiling, can remove and spread all over indoor universe or the roughly shooting in the universe scope near the optical axis.In addition, owing to adopted primary mirror to support the formation of image pickup part, so, the mutual alignment and the posture of can be simply and setting accurately between primary mirror, secondary mirror and the image pickup part concern, mutual alignment that sets and posture relation are difficult for having the effect that can prevent shoddyization of image slices because of impact, vibrate, experience is long-time etc. changes.

The wide-angle camera apparatus that relates to technical solution of the present invention 2 has the convex primary mirror that central authorities have through hole.The approximate hemispheric top cover that sees through from light from outside covers aforementioned primary mirror.Aforesaid top cover support the convex secondary mirror that central authorities have through hole.Lens configuration is on the through hole of aforementioned secondary mirror central authorities.The front end of image pickup part passes through the through hole of aforementioned primary mirror towards aforementioned secondary mirror, and exporting as picture signal based on the image information of incident light.The light that sees through aforementioned top cover reflects at aforementioned primary mirror, and then after aforementioned secondary mirror reflects once more, incides image pickup part by the front end of aforementioned image pickup part.See through of the front end incident of the light of aforementioned lens from aforementioned image pickup part.

Utilization relates to the wide-angle camera apparatus of technical scheme 2, by dispose lens on the through hole of secondary mirror central authorities, can approach to high resolving power the shooting of human eye in the certain angular field of view that with the optical axis is the center.For example, when upwards aforementioned top cover being set, can spread all over universe above the horizon or the roughly shooting of the high picture element in the universe scope.Be provided with downwards on the ceiling under the situation of aforementioned top cover, can spreading all over indoor universe or the roughly shooting of the high picture element in the universe scope.

The wide-angle camera apparatus that relates to technical scheme 3 is in the formation of technical scheme 1, further has the hookup mechanism that aforementioned secondary mirror is fixed on aforementioned top cover inboard.

Utilization relates to the wide-angle camera apparatus of technical scheme 3, can be on the effect basis that technical scheme 1 is put down in writing, by hookup mechanism, obtain cheap and accurately in the effect of the aforementioned secondary mirror of top cover medial support.

Technical scheme 4 related wide-angle camera apparatus are in the formation of technical scheme 2, and aforementioned top cover has near the medium pore that passes and be arranged on its summit.Aforementioned secondary mirror is made the approximate circular plate shape that has pin thread at least in the circumferential lateral surface of an axial end.Aforementioned wide-angle camera apparatus and then possess nut on the pin thread that can freely be engaged on aforementioned secondary mirror, that have certain female screw.The pin thread of aforementioned secondary mirror connects the through hole of aforementioned top cover from the inboard, and allows the female screw of aforementioned nut mesh the aforementioned male screw thread, by tightening aforementioned nut at the aforementioned male screw thread, aforementioned secondary mirror is fixed on the aforementioned top cover.

Utilization is according to the wide-angle camera apparatus of technical scheme 4, because by the top cover medium pore, light is directly incident on lens, thus can be on the effect basis that technical scheme 2 is put down in writing, the image that forms based on the light that sees through lens is had can prevent the effect of the image deterioration that causes because of top cover.In addition and since only with nut fixedly secondary mirror just can finish the installation of integral body, so the part number is few in addition, simple effect is installed.

Technical scheme 5 related wide-angle camera apparatus are in the formation of technical scheme 2, further have the lens holder of aforementioned lens being installed and remained on the assigned position place in the aforementioned secondary mirror through hole.

Utilization is according to the wide-angle camera apparatus of technical scheme 5, owing to be that the scioptics holding device is installed in lens on the secondary mirror, so can be on the effect basis that technical scheme 2 is put down in writing, also having can be cheap and support the effect of aforementioned lens accurately with respect to secondary mirror.

Technical scheme 6 related wide-angle camera apparatus are in the formation of technical scheme 2, further have by the optical filter of the diaphragm that links with aforementioned lens function ground, certain transmitance or the light flux regulating device that constitutes with one of aforementioned lens global design and coating that the light transmission rate of aforementioned lens is set for the material of certain value and also the light transmission rate of aforementioned lens set for certain value with aforementioned lens global design.

Utilization can utilize light flux regulating device to regulate the luminous flux that scioptics incide image pickup part on the effect basis that technical scheme 2 is put down in writing according to the wide-angle camera apparatus of technical scheme 6.Consequently, even based on the image of the light of the through hole of aforementioned secondary mirror and lens than based on by aforementioned top cover in the primary mirror reflection and then under the brighter situation of the image of the light of secondary mirror reflection, also can obtain to make the effect of the brightness of two images near unanimity.

Technical scheme 7 related wide-angle camera apparatus are in the formation of technical scheme 1, and aforementioned primary mirror has the auxiliary section that is made of one of the groove that along the circumferential direction extends and step near aforementioned roof side periphery.Aforementioned top cover has flange on ora terminalis.Can be fixed on the coincidence of the flange of aforementioned top cover on the aforementioned primary mirror aforementioned top cover in the aforementioned auxiliary section of aforementioned primary mirror.

Utilization is according to the wide-angle camera apparatus of technical scheme 7, owing to being utilizes the flange coincidence of top cover in the auxiliary section of primary mirror top cover to be fixed on the primary mirror, so can simplify the installation of aforementioned top cover on primary mirror on the effect basis that technical scheme 1 is put down in writing.In addition, also have the mutual alignment and the posture relation that are easy to set accurately aforementioned primary mirror and secondary mirror, and the mutual alignment that sets and posture relation are difficult for can preventing the effect of shoddyization of image slices because of impact, vibration, experience are long-time etc. changes.

The wide-angle camera apparatus that relates to technical scheme 8 is in the formation of technical scheme 1, but further has the stationary installation that is used for fixing to the free adjustment position aforementioned image pickup part on aforementioned primary mirror.

Utilization owing to utilize stationary installation that image pickup part and primary mirror are become one, so can make not produce relative vibration between the two, does not produce disorder according to the wide-angle camera apparatus of technical scheme 8 on the image that is absorbed on the effect basis that technical scheme 1 is put down in writing.Therefore, have and be difficult for to prevent the effect of shoddyization of image slices because of impact, vibration, experience are long-time etc. changes.In addition, but because image pickup part free adjustment position, so can also obtain incident light efficiently by the through hole of primary mirror.

The wide-angle camera apparatus that relates to technical scheme 9 is in the formation of technical scheme 1, further increases by an end and is installed in aforementioned primary mirror side, and the other end is installed in the flexual tubular dust cover of having of aforementioned image pickup part side.

Utilization is according to the wide-angle camera apparatus of technical scheme 9, can be on the effect basis that technical scheme 1 is put down in writing, have the effect that dust is adhered in minute surface, the image pickup part (as lens) of the minute surface that prevents primary mirror, secondary mirror, inboard of top cover etc.

The wide-angle camera apparatus that relates to technical scheme 10 is in the formation of technical scheme 1, and then has the housing of taking in aforementioned image pickup part, and is formed with the circulation of air loop on aforementioned housing.

Utilization can further increase the air that utilizes in the circulation of air loop circulation housing according to the wide-angle camera apparatus of technical scheme 10 on the effect basis that technical scheme 1 is put down in writing, prevent the effect that temperature rises in the housing.

The wide-angle camera apparatus that relates to technical solution of the present invention 11 has central authorities and has the convex primary mirror of through hole and see through and from light from outside end cylindrical shell arranged.Have end cylindrical shell to have to make the approximate circle tubular, simultaneously with near cylindrical portion that expands laterally the central authorities of its short transverse and the cap that stops up the axial end of aforementioned cylindrical portion.The other end of aforementioned cylindrical portion is fixed on aforementioned primary mirror side, and utilization has end cylindrical shell to cover aforementioned primary mirror.The secondary mirror of convex is fixed on aforementionedly to be had on the end cylindrical shell.Image pickup part is supported by aforementioned primary mirror.The front end of image pickup part passes through the through hole of aforementioned primary mirror towards aforementioned secondary mirror, and exporting as picture signal based on the image information of incident ray.The light that sees through aforementioned cylindrical shell is in the reflection of aforementioned primary mirror place, and then after aforementioned secondary mirror place is reflected once more, incides image pickup part from the front end of aforementioned image pickup part.

Utilization relates to the wide-angle camera apparatus of technical scheme 11, for example, is aforementionedly arranged during cylindrical shell the end when upwards being provided with, and can carry out in the longitudinal direction certain angle scope, transverse direction spreads all over the shooting in the 360 degree scopes.In addition, owing to adopted primary mirror to support the formation of image pickup part, so, having the mutual alignment and the posture of can be simply and setting accurately between aforementioned primary mirror, secondary mirror and the image pickup part concerns, mutual alignment that sets and posture relation are difficult for can preventing the effect of shoddyization of image slices because of impact, vibrate, experience is long-time etc. changes.

The wide-angle camera apparatus that relates to technical scheme 12 is on the basis that technical scheme 11 constitutes, and aforementioned image pickup part is made axially extended tubular or column.Wide-angle camera apparatus then further possesses the tube portion and the installing component that has the flange part that is arranged on the axial end of aforementioned tube portion that has at a plurality of installation through holes that axially are provided with regulation in accordance with regulations at interval.Fixing said flange portion on aforementioned primary mirror simultaneously, is installed in the inboard of aforementioned tube portion to aforementioned image pickup part, by connector being inserted aforementioned installation through hole and being fixed on the image pickup part, can determine axial position.

Utilization is according to the wide-angle camera apparatus of technical scheme 12, can be on the effect basis that technical scheme 11 is put down in writing, increase can be set the position and the posture of image pickup part simply, and position that sets and posture are difficult for can preventing the effect of shoddyization of image slices because of impact, vibrate, experience is long-time etc. changes.In addition, also has the effect of constituent apparatus at an easy rate.

The wide-angle camera apparatus that relates to technical scheme 13 is on the basis that technical scheme 11 constitutes, and further has an end and is installed in aforementioned primary mirror side, and the other end is installed in the flexual tubular dust cover of having of aforementioned image pickup part side.

Utilization relates to the wide-angle camera apparatus of technical scheme 13, because of it is further to have had an end to be installed in aforementioned primary mirror side, the other end is installed in the device of the flexual tubular dust cover of having of aforementioned image pickup part side, so can be on the effect basis that technical scheme 1 or technical scheme 12 are put down in writing, increase and prevent that the lens of the minute surface of the minute surface of aforementioned primary mirror, aforementioned secondary mirror, aforementioned image pickup part, the inboard of aforementioned top cover etc. from adhering to the effect of dust.

The wide-angle camera apparatus that relates to technical scheme 14 is on the basis that technical scheme 1 constitutes, and further has the secondary mirror installing component that is used for installing with aforementioned primary mirror face-off ground aforementioned secondary mirror in aforementioned top cover.Aforementioned primary mirror side is supporting aforementioned image pickup part with the optical axis of aforementioned image pickup part with respect to the state of the inclined light shaft certain angle of aforementioned primary mirror.

According to the wide-angle camera apparatus that relates to technical scheme 14, be one and have: central authorities have the convex primary mirror of through hole; When covering aforementioned primary mirror, see through approximate hemispheric top cover from light from outside; The convex secondary mirror of in aforementioned top cover, installing by the secondary mirror installing component with respect to aforementioned primary mirror; The aforementioned image pickup part that is supporting with respect to the state of the inclined light shaft certain angle of aforementioned primary mirror with its optical axis by aforementioned primary mirror side, and the through hole of the front end of this image pickup part by aforementioned primary mirror be towards aforementioned secondary mirror simultaneously, and based on see through aforementioned top cover the reflection of aforementioned primary mirror place so that after the reflection of aforementioned secondary mirror place, from the image information of the light of front end incident wide-angle camera apparatus as picture signal output.Therefore, for example when being bordering on horizontal direction ground this device be installed with the optical axis of primary mirror and secondary mirror on the ceiling in the corridor, can make its near image pickup part light-sensitive surface central authorities in large area focal imaging go out the roughly all of corridor, have the effect that can improve resolving power.

The wide-angle camera apparatus that relates to technical scheme 15 is on the basis that technical scheme 14 constitutes, and aforementioned secondary mirror installing component is made near do not contact the aforementioned primary mirror central authorities the bending or the shape of warpage, and its end is fixed on the aforementioned primary mirror.

Utilization is according to the wide-angle camera apparatus of technical scheme 15, because of aforementioned secondary mirror installing component is not contact near the aforementioned primary mirror central authorities the bending or the shape of warpage, and its end is fixed on the aforementioned primary mirror, so can be on the effect basis that technical scheme 14 is put down in writing, has the installation of carrying out aforementioned secondary mirror simply, simultaneously, can be simply and set aforementioned primary mirror accurately, mutual alignment between secondary mirror and the image pickup part and posture relation, mutual alignment that sets and posture relation are difficult for because of impacting, vibration, experience waits for a long time and changes, and can prevent the effect of shoddyization of image slices.

The wide-angle camera apparatus that relates to technical scheme 16 is in technical scheme 14 constitutes, and makes by the axle center on aforementioned top cover summit and the optical axis of aforementioned primary mirror to have a certain degree.

Utilization is according to the wide-angle camera apparatus of technical scheme 16, because of the center line of its aforementioned top cover and the optical axis of aforementioned primary mirror have a certain degree, so on the basis of the effect that technical scheme 14 or technical scheme 15 are put down in writing, can increase and prevent the effect that has tunnel vision that causes because of aforementioned top cover.

The wide-angle camera apparatus that relates to technical scheme 17 is on the basis that technical scheme 14 constitutes, and then has perpendicular to what the cross section profile shape in axle center was made sub-elliptical oval tubular in the end and the inner housing of taking in aforementioned image pickup part arranged.Aforementioned housing has the opening near positive toroidal that forms with respect to the axle center axial end of inclination cut-out, simultaneously, is provided with on this opening near orbicular flange, and the top cover periphery ora terminalis of aforementioned approximate semi-spherical shape is installed on the said flange.

Utilization is according to the wide-angle camera apparatus of technical scheme 17, because of it is to have flange that sub-circular is set on opening and is the device of the housing that end cylindroid is arranged sub-elliptical, that be used for taking in aforementioned image pickup part perpendicular to the contour shape in the cross section of axle, so its in technical scheme 14 to the effect basis that one of technical scheme 16 is put down in writing, having increased can miniaturization device, the effect of aforementioned top cover can also be installed simultaneously, simply.

The wide-angle camera apparatus that relates to technical scheme 18 is on the basis that technical scheme 14 constitutes, and further has an end and is installed in aforementioned primary mirror side, and the other end is installed in the flexual tubular dust cover of having of aforementioned image pickup part side.

Utilization is according to the wide-angle camera apparatus of technical scheme 18, because of further having had an end, it is installed in aforementioned primary mirror side, the other end is installed in the flexual tubular dust cover of having of aforementioned image pickup part side, so can be to the effect basis that one of technical scheme 17 is put down in writing, increase and prevent that the lens of the minute surface of the minute surface of aforementioned primary mirror, aforementioned secondary mirror, aforementioned image pickup part, the inboard of aforementioned top cover etc. from adhering to the effect of dust in technical scheme 14.

The wide-angle camera apparatus that relates to technical scheme 19 has: the wide-angle camera apparatus of technical scheme 1; Input is from the picture signal of the aforementioned image pickup part of aforementioned wide-angle camera apparatus, and shows the display device of its content with picture; Ring-type or Semicircular image signal transformation from the aforementioned image pickup part of aforementioned wide-angle camera apparatus are become with rectangular coordinates video image displayed signal, and it is outputed to the image conversion device of aforementioned display.

Utilization is according to the wide-angle camera apparatus of technical scheme 19, and even the wide-angle camera apparatus of being put down in writing because of its one of scheme 1 technical scheme 18 that possesses skills, the display device that shows with picture with from the ring-type of the aforementioned image pickup part of aforementioned wide-angle camera apparatus or the image conversion device that Semicircular image signal transformation becomes usefulness rectangular coordinates video image displayed signal, so and even it on the effect basis that one of technical scheme 1 technical scheme 18 is put down in writing, also has the effect that can obtain the image that is easy to observe in display frame.

Other purposes of the present invention and advantage are simultaneously with reference to being clearly shown that the accompanying drawing of suitable embodiment of the present invention and following explanation will understand.

Fig. 1 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 1.

Fig. 2 is the vertical view of wide-angle camera apparatus shown in Figure 1.

Fig. 3 is the vertical view of secondary mirror in the wide-angle camera apparatus shown in Figure 1.

Fig. 4 is the central cross section figure of secondary mirror shown in Figure 3.

Fig. 5 is the vertical view of ring in the wide-angle camera apparatus shown in Figure 1.

Fig. 6 is the central cross section figure of ring shown in Figure 5.

Fig. 7 is another kind of secondary mirror in the wide-angle camera apparatus shown in Figure 1 and the vertical view that correlates parts thereof.

Fig. 8 is the central cross section figure of secondary mirror shown in Figure 7 and connection parts thereof.

Fig. 9 is the central longitudinal sectional view according to the wide-angle camera apparatus variation of the invention process form 1.

Figure 10 is the vertical view of support component in the wide-angle camera apparatus shown in Figure 9.

Figure 11 is the front view of support component shown in Figure 10.

Figure 12 is the side view of support component shown in Figure 10.

Figure 13 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 2.

Figure 14 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 3.

Figure 15 is the vertical view of wide-angle camera apparatus shown in Figure 14.

Figure 16 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 4.

Figure 17 is the front view when wide-angle camera apparatus shown in Figure 16 is arranged to user mode (horizontality).

Figure 18 is the front view of primary mirror in the wide-angle camera apparatus of user mode (horizontality) shown in Figure 17.

Figure 19 is the front view of secondary mirror installing component in the wide-angle camera apparatus shown in Figure 16.

Figure 20 is the side view of secondary mirror installing component shown in Figure 19.

Figure 21 is the key diagram of the image of ccd video camera main body light-sensitive surface in the wide-angle camera apparatus shown in Figure 16.

Figure 22 is the key diagram according to primary mirror in the wide-angle camera apparatus of the invention process form 5 and secondary mirror shape.

Figure 23 is that explanation is according to the key diagram that concerns between converting means in the wide-angle imaging display device of the invention process form 6 and the connection parts thereof.

Figure 24 is the key diagram of explanation according to the changing image after becoming image on the ccd video camera main body light-sensitive surface in the wide-angle imaging display device of the invention process form 6 and passing through the converting means conversion.

Figure 25 is the key diagram of explanation according to the changing image after becoming image on the ccd video camera main body light-sensitive surface in other routine wide-angle imaging display device of the invention process form 6 and passing through the converting means conversion.

Figure 26 is the key diagram that the manufacture method of the top cover that uses in the wide-angle imaging display device of example of the present invention is described.

Figure 27 is the key diagram that the manufacture method of the top cover that uses in wide-angle camera apparatus shown in Figure 1 is described.

Figure 28 is the oblique view of existing wide-angle camera apparatus.

Figure 29 is the key diagram of the optical system in existing other wide-angle camera apparatus.

Figure 30 is the key diagram of the optical system in the existing other wide-angle camera apparatus.

Figure 31 is the key diagram that explanation is installed in wide-angle camera apparatus shown in Figure 30 state on the ceiling of corridor.

Figure 32 is the key diagram that becomes image on the explanation wide-angle camera apparatus ccd video camera main body light-sensitive surface shown in Figure 31.

Working of an invention form 1

Fig. 1 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 1, and Fig. 2 is the vertical view of wide-angle camera apparatus shown in Figure 1.

In Fig. 1 and Fig. 2, have round-ended cylinder housing 101 by discoid base plate 101a, be welded on the cylinder 101b on the base plate 101a, the collar flange 101c that is welded on the cylinder 101b with the state that is entrenched in the cylinder 101b other end with the chimeric state of an end and constitute.Primary mirror 102 is made of convex mirror.Hemispheric top cover 103 is made of lucites such as acrylic acid resins.On the top of top cover 103, the secondary mirror 104 that is made of convex mirror is installed.Central authorities at secondary mirror 104 are fixed with lens 105.Lens 105 are made up of concavees lens in this example.Lens 106a is installed on ccd video camera main body 106.Image pickup part is made of ccd video camera main body 106 and lens 106a.Primary mirror 102 becomes the mountain type shape that the central authorities on the surface that minute surface 102a is arranged exceed.There is the through hole 102b of axial perforation in the central authorities of primary mirror 102.Minute surface 102a is rotation and is provided with symmetrically.Along the circumferential direction be provided with groove 102c as the auxiliary section in the outside of minute surface 102a.The ora terminalis of top cover 103 is provided with flange 103a.

Top cover 103 and housing 101 as following being fixed in this wise on the primary mirror 102.At first, allow flange 103a be fitted among the groove 102c, the end edge portion with groove 102c that clips primary mirror 102 holds it between flange 103a and the flange 101c.And then, the screw of some is screwed into flange 103a, end edge portion and flange 101c, this end edge portion is fastened between flange 103a and the flange 101c.

Fig. 3 is the vertical view of secondary mirror in the wide-angle camera apparatus shown in Figure 1, and Fig. 4 is the central cross section figure of secondary mirror shown in Figure 3.Fig. 3 and Fig. 4 all amplify secondary mirror 104 are shown.

Such as shown in Figures 3 and 4, secondary mirror 104 become that the mediad below of the face side that minute surface 104a is arranged reduces below be the shape of convex surface.Central authorities at secondary mirror 104 are provided with the axial medium pore 104b of perforation, in the outside of minute surface 104a, are provided with the screw hole 104d of the some of axial perforation secondary mirror 104.In this example, uniformly-spaced be formed with 4 through hole 104d with 90 degree along the circumferencial direction of secondary mirror 104.Central authorities at secondary mirror 104 dorsal parts are provided with concentric circles column projection 104c, and medium pore 104b also connects this projection 104c.There is step 104f the centre of medium pore 104b.Medium pore 104b near on the part of dorsal part, has the large-diameter portion bigger slightly than the diameter of concavees lens 105 at this step 104f certainly.And medium pore 104b has the minor diameter part smaller slightly than the diameter of concavees lens 105 on the part near the surface of this step 104f certainly.Secondary mirror 104 axial ends (upper end of Fig. 4) form the shape as convex surface 104g.Convex surface 104g is positioned at secondary mirror 104 back sides and is the outside of radiating direction from the projection 104c beginning.The curved surface close proximity of convex surface 104g and top cover 103 inside top.

Fig. 5 is the vertical view of ring 110 in the wide-angle camera apparatus shown in Figure 1, and Fig. 6 is the central cross section figure of ring 110 shown in Figure 5.

As Fig. 5 and as shown in Figure 6, ring 110 is to use when being used for remaining on secondary mirror 104 extruding on the fixed position at top cover 103 tops.Ring 110 has medium pore 108.Medium pore 108 has step 108a near in the central, and has minor diameter part and large-diameter portion.The minor diameter part of medium pore 108 is minor diameters smaller slightly than the diameter of lens 105.An axial end (lower end of Fig. 6) of ring 110 is formed with can the tight concave curved surface 109 that contacts with the top outer curved surface of top cover 103.At the circumferencial direction of ring 110, be formed with the through hole 110a at axial perforation ring 110 of some.In this example, 4 through hole 110a are corresponding with the screw hole 104d of secondary mirror 104, by the uniformly-spaced formation of 90 degree.

Top cover 103 has the medium pore 103b of the projection 104c that can embed secondary mirror 104 at its top, form the through hole 103c of some along the circumferencial direction of the medium pore 103b of top cover 103.In this example, 4 through hole 103c are corresponding with the screw hole 104d of secondary mirror 104, by the uniformly-spaced formation of 90 degree.

Lens 105, secondary mirror 104 and ring 110 as following aggregate erection in this wise on top cover 103.At first, concavees lens 105 are inserted the large-diameter portion of medium pore 104b from the back side of secondary mirror 104.Then, from the inboard medium pore 103b that the projection 104c of secondary mirror 104 is inserted top cover 103.And then, secondary mirror 104 is kept on this position, simultaneously, convex surface 104g is fitted in the inner face of top cover 103.After this, from the outside of top cover 103 ring 110 mountings to secondary mirror 104, and the projection 104c of secondary mirror 104 is closely embedded the large-diameter portion of ring 110.Thus, top cover 103 center of top hole 103b's is maintained between secondary mirror 104 and the ring 110 on every side.Then, screw 111 is screwed into the screw hole 104d of secondary mirror 104 respectively, applies strength so that ring and secondary mirror 104 are pressed close to mutually.So just, secondary mirror 104 and ring 110 are fixed on the top cover 103.At this moment, by the step 104f extruding of secondary mirror 104 and the outer circumference portion lower end of support of lens 105.The outer circumference portion upper end of concavees lens 105 then is installed on the step 104f of secondary mirror 104 by the step 108a of ring 110 extruding, is fixed on assigned address.

The step 104f of aforementioned secondary mirror 104 and the step 108a of ring 110 constitute lens holder on the interior assigned address of central through hole 104b of secondary mirror 104 is installed and remained on to lens 105.Ring 110 and screw 111 constitutes secondary mirror 104 is attached at hookup mechanism on the top cover 103.

The main body 106 that installing component 112 supports and fixing ccd video camera.Installing component 112 is made of the flange part 112b of 112a of tube portion and the end extension of the 112a of tube portion certainly.Ccd video camera main body 106 with insert state in the tube 112a of portion by screw retention on the 112a of tube portion.Flange part 112b is provided with several through holes (diagram is omitted).There are several bolts 113 to pass these through holes respectively.A pair of nut 114 and 115 is screwed in the centre that is bordering on of bolt 113, to clamp and to keep flange part 112b.In addition, nut 116 is screwed in the front of bolt 113.The front end of bolt 113 is screwed in respectively on the screw hole that is arranged on primary mirror 102 back sides.And then, nut 116 is tightened and is fixed on the primary mirror 102 towards primary mirror 102.Make it close mutually by fastening nut 114 and 115 again, flange part 112b is fixed on the position of hope of bolt 113, thereby ccd video camera main body 106 is fixed on the position of hope with respect to primary mirror 102.At this moment, the front end of the lens 106a of ccd video camera main body 106 stretches into the recess that is formed at primary mirror 102 back sides.Thus, lens 106a quilt is towards secondary mirror 104 sides, can receive the light from secondary mirror 104 sides by the medium pore 102b of primary mirror 102.By changing the position of engagement of nut 114 and nut 115, can change the posture of ccd video camera main body 106 with respect to primary mirror 102.

But aforementioned installing component 112, bolt 113, nut 114 and 115 are configured for free adjustment position ground image pickup part are fixed on stationary installation on the aforementioned primary mirror 102.

Below, the action of this wide-angle camera apparatus is described.

Light by top cover 103 is at first after the reflection of the minute surface 102a place of primary mirror 102, again in the reflection of the minute surface 104a place of secondary mirror 104, and the lens 106a of the medium pore 102b arrival ccd video camera main body 106 by primary mirror 102.And then this light is assembled at the light-sensitive surface of ccd video camera main body 106 and is formed the ring-type picture.On the other hand, fixedly arrive the lens 106a of ccd video camera main body 106 by the medium pore 102b of primary mirror 102 by the light former state of concavees lens 105.And then, the circle picture of this image formation by rays for connecing in approximate with the interior week of the above-mentioned image that is imaged as ring-type at primary mirror 102.Though the situation that produces minimum dead angle is arranged between circle picture and ring-type picture sometimes, because of not constituting any problem the situation that is positioned at point blank except that the image pickup part object, so, can ignore in actual applications.

In this wide-angle camera apparatus, can in the certain angular field of view that with the optical axis is the center, approach to high resolving power the shooting of human eye.In this device, under the situation that top cover 103 upwards is set, can carry out spreading all over universe or the roughly shooting in the universe scope, be provided with downwards on the ceiling under the situation of top cover 103, can spread all over indoor universe or the roughly shooting in the universe scope from horizontal alignment.

In addition, owing to be that flange 103a with top cover 103 overlaps on the groove 102c or step position of primary mirror 102, utilize screw etc. that top cover 103 is fixed on the primary mirror 102 then, so can carry out the installation of top cover 103 on primary mirror 102 simply.

Owing to be by utilizing screw etc. to fix with the state that the flange 101c of housing 101 overlaps the rear side of primary mirror 102, and when supporting primary mirror 102, top cover 103 is fixed on the primary mirror 102, so, can easily carry out the installation of primary mirror 102 to installing component (housing 101 etc.).

And then this device can be set position between primary mirror 102, secondary mirror 104 and the image pickup part and posture relation accurately, and the position that sets and posture relation are difficult for can preventing the deterioration of image picture element because of impact, vibration, experience are long-time etc. changes.

Owing to be secondary mirror 104 being fixed on the inboard of top cover 103, so can cheapness and accurately by top cover 103 support secondary mirrors 104 with near the state the 1st ring 110 and secondary mirror 104 clampings top cover 103 summits shown in Figure 1.

And then, in image, can also prevent the deterioration of the image picture element that causes because of top cover 103 based on the light that sees through lens 105.

Owing to be, so can cheapness and support of lens 105 accurately with secondary mirror 104 support of lens 105.

Owing to be by tightening the screw of some, intermediary, realizes lens 105 are fixed on the secondary mirror 104 being squeezed in the step side near the periphery of lens 105 as the secondary mirror 104 of the 2nd ring, so, can install and remove lens 105 simply, and cheap and support of lens 105 accurately.

In addition, the diaphragm of appointment can be set on lens 105 also, or be provided with and to have the optical filter of certain optical transmittance, or utilize material or coating to set the optical transmittance of lens 105 for setting.

Adopt this way, can make based on the brightness of image of the light of medium pore 104b that sees through secondary mirror 104 and lens 105 with based on see through top cover 103 and the reflection of primary mirror 102 places so that in the brightness of image of the light of secondary mirror 104 places reflection near consistent.

In example 1, utilize screw 113 and nut 114～116 to set position and the posture of image pickup part 106 and 106a because be, so, can be simply and set its position and posture accurately, position that sets and posture are difficult for can preventing the deterioration of image picture element because of impact, vibrate, experience is long-time etc. changes.

When enforcement is of the present invention, be not only to be defined in above-mentioned formation, also installing component 112 can be installed directly on housing 101.In addition, also can omit housing 101.When not having housing 101, except that interior protection effect that can not obtain to utilize housing 101 etc., other effects are identical.

In addition, apparatus of the present invention can not have housing 101 yet, and on primary mirror 102 certain pin etc. are set.Even if in this modification, except that interior protection effect that can not obtain to utilize housing 101 etc., other effects are also identical.In wide-angle camera apparatus with housing 101, can the same ground with installing component 112, housing 101 is used as the erecting device that ccd video camera main body 106 grades are installed.Do not having housing 101, and be provided with on primary mirror 102 in the wide-angle camera apparatus of certain installing component 112, these installing component 112 grades just are equivalent to installing mechanism.

In the above description, be that the medium pore 103b that projection 104c passed through of secondary mirror 104 is arranged near the top of top cover 103, but implementing to adopt other formations when of the present invention.That is, also can use and allow convex surface 104g than the more outstanding secondary mirror of the front end of projection 104c to the optical axis direction shape.Under this situation, the medium pore that embeds projection 104c also can be set on top cover 103, but all utilize screw 111 to be fixed on the inboard of top cover 103 secondary mirror that comprises concavees lens 105, simultaneously, allow aforementioned convex surface 104g closely contact medial surface at top cover 103.Under this situation, because the light by concavees lens 105 is also by top cover 103, so when near the surface accuracy top cover 103 tops etc. are not very good, need its deterioration of consideration to utilize the problem of the image that light became of concavees lens 105.

In addition, can also base plate 101a and cylindrical shell 101b one distolateral between, perhaps between another of primary mirror 102 and cylindrical shell 101b is distolateral, certain clearance is set.Adopt such way can prevent that the temperature in the housing 101 from rising.

Fig. 7 is another kind of secondary mirror in the wide-angle camera apparatus shown in Figure 1 and the vertical view that correlates parts thereof.Fig. 8 is the central cross section figure of secondary mirror shown in Figure 7 and connection parts thereof.That is, in device of the present invention, secondary mirror 104 is not limited only to Fig. 3 and even form shown in Figure 6, also can for the former, use Fig. 7 and secondary mirror combination shown in Figure 8.

In Fig. 7 and Fig. 8, the ring 128 that the secondary mirror combination has secondary mirror 124, concavees lens 105 and formed by the soft metal.The internal diameter of this ring 128 is slightly less than the diameter of concavees lens 105, external diameter roughly with the equal diameters of concavees lens 105.Secondary mirror combination and then have nut 130.One end of nut 130 has and covers 130a.Central authorities at lid 130a are provided with medium pore.The diameter of the medium pore of this lid 130a roughly with the equal diameters of ring 128.The dorsal part central authorities of secondary mirror 124 are formed with concentric cylindric teat 124c.On the excircle of teat 124c, be carved with pin thread.The central authorities that medium pore 124b connects secondary mirror 124 form, and also connect aforementioned teat 124c simultaneously.Be provided with step 124f in the middle part of medium pore 124b.Some screws 121 pass the internal diameter ring spacer 122 bigger than teat 124c, are screwed in respectively on the female screw 124d.Thus, the secondary mirror combination is fixed on the top cover 103.

Screw 121 and ring spacer 122 constitute the hookup mechanism that secondary mirror 124 is attached to top cover 103 inboards.In addition, teat 124c and nut 130 also constitute the hookup mechanism that it is attached to top cover 103 inboards.The step 124f of aforementioned secondary mirror 124, ring 128 and nut 130 constitute installs and remains on lens holder on the interior assigned address of the medium pore 124b of secondary mirror 124 to lens 105.

In Fig. 7 and secondary mirror shown in Figure 8 combination, except that concavees lens 105 to the fixing means difference of secondary mirror 124, other employings attach it on the top cover 103 with the same method of the situation of Fig. 5 and Fig. 6.That is, after concavees lens 105 being put into medium pore 124b, again ring 128 is put into medium pore 124b from the dorsal part of secondary mirror 124.And then, by nut 130 being screwed into and being attached to the pin thread of teat 124c, can ring 128 be expressed to concavees lens 105 sides, again by being fitted on the step 124f near the periphery of this ring 128 with concavees lens 105 by the lid 130a of nut 130.Like this, concavees lens 105 are fixed on the secondary mirror 124.

In addition, as shown in Figure 7, owing to be that pin thread with secondary mirror 124 passes medium pore 103b, by installing and fastening nut 130 fixing secondary mirror 124 on top cover 103, so, can prevent to produce shoddyization of image slices that causes because of top cover 103, simultaneously based on the image of the light that sees through lens 105, components number is few, and it is easier to assemble.

In this example, though top cover 103 is fixed on the primary mirror 102, be not limited in this, also it can be fixed on the housing 101.Under this situation, because the mutual alignment of primary mirror 102, secondary mirror 104 and ccd video camera main body 106, posture change because of impact, vibrate, experience is long-time etc. easily, the tendency that is easy to deterioration image picture element being arranged, so, need be securely fixed in top cover 103 on the housing 101.In addition, in above-mentioned example, concavees lens 105 are supported by secondary mirror 104, but also are not limited in this, also it directly can be fixed on the top cover 103.In addition, can also on certain part of top cover 103, directly form concavees lens 105/ or secondary mirror 104.

In this example, be that the edge that securely primary mirror 102 is formed with groove 102c remains between flange 103a and the flange 101c, top cover 103 and housing 101 are fixed on the primary mirror 102, but are not limited in this, also can as following, fix.That is, near the face side periphery of primary mirror 102, step is set along the circumferential direction, simultaneously, between flange 103a and flange 101c, keeps the step edge position of primary mirror 102.And then, the screw 107 of some is inserted and is screwed on flange 103a, aforementioned step edge position and the flange 101c, between said flange 103a and flange 101c, tighten aforementioned edge.Thus, top cover 103 and housing 101 are fixed on the primary mirror 102.In addition, the installation method that housing 101 and top cover 103 is installed to primary mirror 102 is not limited in method discussed above, so long as housing 101 and top cover 103 are fixed on the primary mirror 102, utilizes what method all right.

In addition, groove or step (diagram slightly) also can be set near the circumferencial direction dorsal part periphery of primary mirror 102, housing 101 is made the cylindrical shell (diagram slightly) that does not have flange 101c, stress to be stacked in the groove of primary mirror 102 dorsal parts or the state on the step with the other end, support primary mirror 102 by carrying out screw stop etc. with this cylindrical shell.Like this, can carry out the installation of primary mirror 102 simply, simultaneously, also need not flange 101c is set on the other end of cylindrical shell 101b, can reduce cost to housing 101.

Fig. 9 is the central longitudinal sectional view according to the wide-angle camera apparatus modification of the invention process form 1.This modification is used has axial ring 110 with Fig. 5 and 6 to be divided into two annular lamina 110A, the 110B that form.In addition, compare with the device of Fig. 1, this routine ccd video camera main body 146 is different to the installation method of housing 141 to the installation method or the primary mirror 142 of primary mirror 102.

That is, in Fig. 9 example, the ring 110 of example 1 is divided into as the annular lamina 110A of the hookup mechanism of secondary mirror 104 with as the annular lamina 110B of the holding device of lens 105.Annular lamina 110A makes the annular shape of the convex surface 104g of corresponding secondary mirror 104, and annular lamina 110B then makes the annular shape of upper surface of the teat 104c of corresponding secondary mirror 104.

Under this situation, secondary mirror 104 and lens 105 are installed in as following on the top cover 103.That is, with example 1 similarly, the teat 104c of secondary mirror 104 is exposed to the top from the medium pore 103b of top cover 103.Under this state, pass top cover 103, with the upside of annular lamina 110A mounting, the teat 104c of secondary mirror 104 is embedded closely connectedly the central through hole of annular lamina 110A along the periphery of teat 104c to the convex surface 104g of secondary mirror 104.Thus, the medium pore 103b's of top cover 103 is maintained between secondary mirror 104 and the annular lamina 110A on every side.And then, pass annular lamina 110A screw 111 is screwed on the secondary mirror 104, secondary mirror 104 and annular lamina 110A are fixed on the top cover 103.

On the other hand, before or after the installation exercise of above-mentioned secondary mirror 104, concavees lens 105 are configured in the large-diameter portion of medium pore 104b of secondary mirror 104.In the example of Fig. 9, there is not step 104f between the large-diameter portion of the medium pore 104b of secondary mirror 104 and the minor diameter part, minor diameter part becomes conical in shape by the lower end undergauge of large-diameter portion to the below.And then, utilize the separatrix between the upper end of the lower end of this large-diameter portion and minor diameter part to come the lower end of support of lens 105.In addition, annular lamina 110B is positioned on the upper surface of teat 104c of secondary mirror 104, pass annular lamina 110B and will be screwed into teat 104c, utilize the peripheral part upper end of the interior perimembranous lower end fixed lens 105 of annular lamina 110B as the screw 111A of lens holder.

Also have, in Fig. 9, primary mirror 142 has minute surface 142a and medium pore 142b.Lens 146a is installed on the ccd video camera main body 146.Ccd video camera main body 146 is installed on the primary mirror 142 by being separately positioned on a pair of support component 152 of ccd video camera main body 146 both sides.Housing 141 has the back-up block 141c and the cylinder 141b of discoid base plate 141a, some.Back-up block 141c by being screwed in aforementioned some and screw 141d and the 141e on the back-up block 141c, the end of cylinder 141b is fixed on the base plate 141a.Between base plate 141a and cylinder 141b, be provided with can ventilating air minim gap, by this gap, the heat dissipation of housing 141 inside is gone to the outside.Near primary mirror 142 peripheries the back side is provided with step 142c.The other end of cylinder 141a is being fixed with the state that is entrenched in this step 142c screw 142d by some.Between the other end of primary mirror 142 and cylinder 141b, also be provided with can ventilating air minim gap, by this gap the heat dissipation of housing 141 inside is gone to the outside.In addition, as the gap that is used to dispel the heat, also can on base plate 141a and cylinder 141b some, form the airflow through hole.That is, housing 141 has the air communication channel that displacement housing 141 inner space air are used.

Thus, can simply the heat that produces in the device be discharged into the outside, can prevent that the locking apparatus temperature inside rises.

Figure 10 is the vertical view of the support component in the wide-angle camera apparatus shown in Figure 9.Figure 11 is the front view of support component shown in Figure 10.Figure 12 is the side view of support component shown in Figure 10.

In Figure 10～Figure 12, support component 152 is the shapes that sheet metal are flexed into the word of falling L shape, on its horizontal part, is provided with 2 through hole 152a.At this through hole 152a, can distinguish break-through screw 153, aforementioned levels portion is fixed on the primary mirror 142.On the vertical component effect of support component 152, in vertical direction by certain 2 row through hole 152b that are arranged at intervals with.At this through hole 152b, can distinguish break-through screw 154, ccd video camera main body 146 is fixed on the aforementioned vertical component effect.

On two sides of ccd video camera main body 146, be formed with pair of screws hole (diagram slightly) separately.As shown in Figure 9, use a pair of aforementioned support component 152 to support ccd video camera main body 146.That is, screw 154 is inserted one of through hole 152b of each support component 152,, can be fixed on ccd video camera main body 146 on the support component 152 by it being screwed on the screw hole of ccd video camera main body 146 corresponding side surface.At this moment, pass which through hole 152b, can change the installation site of ccd video camera main body 146 by selecting screw 154.And then, by allowing screw 153 pass the through hole 152a of support component 152 and being screwed on the pair of screws hole (diagram is slightly) that is arranged on primary mirror 142 back sides, support component 152 can be fixed on the primary mirror 142.In order to cooperate the focusing of image, in lens 146a, be provided with lens position adjustment mechanism (diagram slightly).

But aforementioned support component 152 and screw 154 are fixed on image pickup part the stationary installation on the aforementioned primary mirror 142 with being configured for the free adjustment position.

As above-mentioned, by utilizing support component 152 ccd video camera main body 146 is fixed on primary mirror 142, can constitute the installing mechanism of ccd video camera main body 146 at an easy rate.In addition, in wide-angle camera apparatus shown in Figure 9, owing to be formed with passages such as the gap that is used to dispel the heat, slit, air vent, so the heat of generation in the device that is easy to shed can prevent the rising of internal temperature.

In addition, owing to can set position and the posture of image pickup part 106 and 106a simply, and the position that sets and posture are difficult for changing because of impact, vibration, experience are long-time etc., so, can prevent the deterioration of image picture element, simultaneously, can also prevent that cost from rising.

Have again, in the device of Fig. 9, also can replace the support component 152 of a plurality of L word shapes, use the supporter (diagram slightly) of a tubular.That is, on the axial end of this supporter, the flange that the formation level extends.On the cylindrical portions may that the supporter vertical direction extends, be formed with through hole.This through hole is formed with some row.The through hole that perhaps forms single row is also passable.In any case, through hole is to be configured in axially by certain distance.When the aggregate erection operation, adopt screw etc. that this flange is fixed on the primary mirror, by several screws etc. are attached at certain several aforementioned through hole, realize ccd video camera main body 146 is fixed on the supporter again.By such formation, can constitute the installing mechanism of ccd video camera main body 146 etc. at an easy rate, obtain the effect identical with the example of Figure 10, Figure 12.

And then, soft tubular dust cover 500 also can be set on wide-angle camera apparatus shown in Figure 9.Similarly, also such dust cover 500 can be set on the wide-angle camera apparatus of Fig. 1.That is, an end of this dust cover 500 is installed on the primary mirror 102,142, and the other end is installed on the ccd video camera main body 106,146.By such formation, can prevent that the minute surface of primary mirror 102, minute surface, lens 106a, 146a, the inboard of top cover 103 and the inner face of concavees lens 105 of secondary mirror 104 from adhering to dust.Dust cover 500 can use the thin slice of cloth, synthetic resin or synthetic rubber system, the yarn fabric (as Gore-tex) with water proofing property and gas penetration potential, the formation such as wrinkle protective jacket of synthetic rubber system.Band that the best intermediary in the two ends of dust cover 500 screw stop pad, metal sheet are made or use bonding agent do not produce and are bonded in respectively with gap on primary mirror 102,142 and the ccd video camera main body 106,146.

In above-mentioned example, secondary mirror 104 is provided with medium pore 104b, is provided with the concavees lens 105 of refraction by the light of this medium pore 104b in the device, can certainly adopt other formation.That is, in Fig. 1 or Fig. 9, also can make the wide-angle camera apparatus that does not have not have on concavees lens 105, the secondary mirror 104 medium pore 104b.

Under this situation, the medium pore ground that logical light both can be set on top cover 103 is fixed on the inboard of top cover 103 with secondary mirror 104, also can be in the inboard of top cover 103 straight forming secondary mirror 104 integratedly.

Though adopt the wide-angle camera apparatus that constitutes like this can not in the certain angular field of view that with the optical axis is the center, approach to high resolving power the shooting of human eye, but when upwards top cover 103 being set, but can carry out spreading all over universe or near the shooting of universe scope from horizontal alignment.In addition, when top cover is arranged on the ceiling downwards, also can spread all over indoor universe or near the shooting of universe scope.This device can be set primary mirror 102,142 accurately, the position of secondary mirror 104 and image pickup part 106,146 and posture relation.And then its position and posture relation are difficult for can preventing the deterioration of image picture element because of impact, vibrate, experience is long-time etc. changes.

Working of an invention form 2

Figure 13 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 2.

Wide-angle camera apparatus shown in Figure 1 has and covers all housings 101 of ccd video camera 106, and the wide-angle camera apparatus of example 2 does not have housing.At example 2, the housing of ccd video camera main body 166 forms cylindric.In addition, though the installation method of the ccd video camera main body 166 in the example 2 is different with example 1, primary mirror 102, top cover 103 and secondary mirror 104 are the same with the device of Fig. 1.

In Figure 13, installing component 161 has nut 161a and installation sheet 161b.In the inboard of nut 161a, be carved with female screw towards the top undergauge.Installation sheet 161b one end has flange 161ba.Flange 161ba is provided with several through holes (diagram slightly).The other end at installation sheet 161b is carved with pin thread 161bb.The diameter of pin thread 161bb medial surface is slightly greater than the external diameter of ccd video camera main body 166 housings.In the outside of pin thread 161bb, be carved with pin thread towards the below undergauge.Pin thread 166bb makes the cylindrical form the grooving that axially is provided with some (not having diagram).And, go up and tighten if nut 161a is screwed to pin thread 161bb, then the internal diameter of pin thread 161bb will slowly reduce.Installation sheet 161b have flange connector 161ba and pin thread 161bb cone shape meet connecting portion 161bc.

In the aggregate erection operation, the flange 103a of top cover 103 is overlapped on the groove 102c (position of step in the modification) of primary mirror 102, simultaneously, by overlap the state of the dorsal part of primary mirror 102 with the flange 161ba of installing component 161, utilize screw 162 stop flange 103a, primary mirror 102d edge part and flange 161ba, realize using fixedly primary mirror 102 of installing component 161, and top cover 103 is fixed on the primary mirror 102.Then, lens 102a towards secondary mirror 104, insert the state of the other end of installing component 161 with the circular cylinder shaped portion of ccd video camera 166,, realize ccd video camera main body 166 fixing on installing component 161 by nut 161a being screwed on the pin thread 161bb of installing component 161.The position of ccd video camera main body 166 can allow ccd video camera main body 166 slide with respect to installing component 161 by the nut 161a that relaxes and regulate.Some through hole 161c of (more lateral of the periphery of primary mirror 102) etc. are provided with near the periphery of the flange 161a that this wide-angle camera apparatus can utilize certain screw to pass to be arranged on installing component 161.

Nut 161a and pin thread 161bb the fixing stationary installation of image pickup part with being configured on aforementioned primary mirror 102 the free adjustment position.

In the formation of Figure 13, can be simply and set the mutual alignment of primary mirror 102, secondary mirror 104 and image pickup part 106 and 106a and posture relation accurately.Simultaneously, position that sets and posture are difficult in addition, can also preventing the deterioration of image picture element and preventing that further cost from rising because of impact, vibrate, experience is long-time etc. changes.

In Fig. 1, Fig. 9, wide-angle camera apparatus shown in Figure 13, based on the image of the light of medium pore 104b by secondary mirror 104 and concavees lens 105, sometimes than based on seeing through top cover 103 in primary mirror 102 places reflection and then brighter at the image of the light of secondary mirror 104 places reflection.In this case, light flux regulating device functionally can be attached on the lens 105, perhaps global design light flux regulating device and lens 105.For example, fixing diaphragm can be set on concavees lens 105.In addition, also the optical filter with certain optical transmittance can be set near the face side of concavees lens 105 or dorsal part.Can also be by selecting the material of concavees lens 105, or implement plated film on the surface of concavees lens 105 transmitance of light is set at setting.

In addition, in wide-angle camera apparatus shown in Figure 13, the tubular dust cover of softness as shown in Figure 9 can be set also.One end of this dust cover is installed in the back side of installing component 161 or primary mirror 102, and simultaneously, the other end is installed near the primary mirror 102 of ccd video camera main body 166 or image pickup part.Utilize such formation, can as implement form 1 described, can prevent that lens 166a etc. from adhering to dust.The manufacturing of the dust cover of tubular, install and to adopt the way same with example 1.

Working of an invention form 3

Figure 14 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 3.Figure 15 is the vertical view of wide-angle camera apparatus shown in Figure 14.

In Figure 14 and Figure 15, housing 201 has the base plate 201a and the cylinder 201b of garden plate-like.Cylinder 201b is entrenched in the state of base plate 201a with an end, is fixed on the base plate 201a by screw 201d.The device of present embodiment has primary mirror 202 and end cylindrical shell 203 is arranged.Secondary mirror 204 has been incorporated in the end cylindrical shell 203.There is end cylindrical shell 203 to have cylinder sheet 203a and lid 203b.Cylinder sheet 203a is to use acrylic acid resin etc., and inner face is made seldom the transparent shell of shape that can the shiny effect.In this example, allow and expand laterally near the central authorities of cylinder sheet 203a.Cylinder sheet 203a makes the rotation symmetric shape that thickness homogeneous, two ends have same diameter.Rotation is provided with groove 203c symmetrically near the excircle of lid 203b.The end of cylinder sheet 203a is entrenched on this groove 203c, and lid 203b utilizes screw 203d to be fixed on the cylinder sheet 203a.Secondary mirror 204 is installed in the central authorities of covering the 203b inboard by screw 204b.The face side that has reflecting surface 204a of secondary mirror 204 is towards primary mirror 202 sides.

Ccd video camera main body 206 is installed on the primary mirror 202.The face side of primary mirror 202 is made the high shape of central authorities,, makes the shape of undergauge upward that is.On the surface of primary mirror 202, rotation is provided with minute surface 202a symmetrically.The central authorities of primary mirror 202 are provided with and connect axial medium pore 202b.Near the excircle of minute surface 202a, rotation is being provided with groove 202c symmetrically, and near the excircle at primary mirror 202 back sides, also rotation is being provided with groove 202d symmetrically.

On the groove 202d outer wall shape part more in the outer part that is positioned at than primary mirror 202, be formed with several through holes (diagram slightly).And on the groove 202d inwall shape part more in the inner part that is positioned at than primary mirror 202, corresponding with aforesaid through hole, also be formed with several screw holes (diagram is slightly).And then near the ora terminalis of housing 201, the through hole of corresponding aforementioned primary mirror 202 and screw hole are formed with several through holes (diagram slightly).The edge part of housing 201 opposite sides (upside) is inserted into groove 202d, thus, the through hole of housing 201 and the through hole and the screw hole of primary mirror 202 is aligned mutually.Behind the through hole of through hole that screw 202f is inserted primary mirror 202 and housing 201, screw 202f is screwed into the screw hole of primary mirror 202.Like this, primary mirror 202 is fixed on the housing 201.

Corresponding with above-mentioned situation, be positioned at primary mirror 202 than groove 202c outer wall shape part more in the outer part on, be formed with several through holes (diagram is slightly).And on the groove 202c inwall shape part more in the inner part that is positioned at than primary mirror 202, corresponding aforesaid through hole is formed with several screw holes (diagram slightly).And then near the ora terminalis that end cylindrical shell 203 is arranged, the through hole of corresponding aforementioned primary mirror 202 and screw hole are formed with several through holes (diagram slightly).To there be the edge part of end cylindrical shell 203 opposite sides (upside) to insert groove 202c, and thus, the through hole of end cylindrical shell 203 and the through hole and the screw hole of primary mirror 202 be aligned mutually.After screw 202g being inserted the through hole of primary mirror 202 and the through hole of end cylindrical shell 203 is arranged, screw 202g is screwed into the screw hole of primary mirror 202.Like this, there is end cylindrical shell 203 to be fixed on the primary mirror 202.

The face side mediad below reduction that secondary mirror 204 has minute surface 204a becomes the shape of falling the chevron, and rotation in its surface is provided with minute surface 204a symmetrically.

The same with example 1, by holding device 112, but the corresponding primary mirror 202 in ground, free adjustment position is being fixed ccd video camera main body 206.

Below, the action of this wide-angle camera apparatus is described.

The light that sees through the cylindrical shell 203a that end cylindrical shell 203 is arranged is after the reflection of the minute surface 202a place of primary mirror 202, and then again in the reflection of the minute surface 204a place of secondary mirror 204, medium pore 202b by primary mirror 202 arrives lens 206a again, forms the ring-type picture on the light-sensitive surface of ccd video camera main body 206.

The wide-angle camera apparatus of this example is the center to being provided with the end during cylindrical shell 203 with the horizontal direction, longitudinal direction can carry out with the surface level be in the certain angle scope of center, transverse direction can spread all over the shooting in the 360 degree scopes.

And then, in this wide-angle camera apparatus, the circumferencial direction of face side is provided with groove 202c or step near primary mirror 202 excircles, and another distolateral being entrenched on this groove 202c or the step that allows end cylindrical shell 203 has end cylindrical shell 203 to be fixed on the primary mirror 202 by handles such as screw stops.Thus, the installation of end cylindrical shell 203 can be arranged simply, simultaneously, can also be simply and set the mutual alignment and the posture relation of the mutual alignment of primary mirror 202 and secondary mirror 204 and posture relation and primary mirror 202, secondary mirror 204 and ccd video camera main body 206 accurately, mutual alignment that sets and posture relation are difficult for can preventing the deterioration of image picture element because of impact, vibrate, experience is long-time etc. changes.

Particularly, utilize screw 113 and nut 114～116, by using installing component 112 that ccd video camera main body 206 is installed on the primary mirror 202, can be simply and set position and the posture of image pickup part 206 and 206a accurately, and position that sets and posture are difficult for can preventing the deterioration of image picture element because of impact, vibrate, experience is long-time etc. changes.

Have again, if the lid 203b of end cylindrical shell 203 can be installed and removed, and distolateral by screw stop cylindrical shell 203a, can simply and prevent that then the cost ground manufacturing of rising from having end cylindrical shell 203.

In this example, though be to utilize screw 203d will cover 203b to be fixed on the cylindrical shell 203a, be not limited only to this, lid 203b and cylindrical shell 203a one also can.

In this example, be near the excircle of the face side of primary mirror 202 and dorsal part, rotation is provided with groove 202c and groove 202d symmetrically respectively, with housing 201 and there is end cylindrical shell 203 to be connected on the primary mirror 202, if but can make their tight connections, also can replace groove 202c, 202d to be designed to other structure.For example, face side and the dorsal part at primary mirror 202 along the circumferential direction forms upper step and lower step.At this moment, also can partly design these steps by the outer wall shape of removing primary mirror shown in Figure 14 202.And then, embed the state of the lower step portion of primary mirror 202 with the upper end-face edge of housing 201, screw 202f is inserted the through hole of housing 201, simultaneously, be screwed into the screw hole of primary mirror 202, by tightening screw 202f, primary mirror 202 can be fixed on the housing 201.To another kind of situation, embed the state of the upper step portion of primary mirror 202 with the lower edge that end cylindrical shell 203 is arranged, screw 202g is inserted with the through hole of end cylindrical shell 203, simultaneously, be screwed into the screw hole of primary mirror 202,, primary mirror 202 can be fixed on the end cylindrical shell 203 by tightening screw 202g.

In addition, primary mirror 202, housing 201 and have end cylindrical shell 203 also can to connect simply mutually by adopting structure shown in Figure 1 (housing 101c, 102 etc.).

That is, also can be, and flange overlapped the groove 202c or the step position of primary mirror 202 at the distolateral flange (diagram is slightly) that is provided with of another of housing 201, by screw etc., housing 201 is fixed on the primary mirror 202.Do like this and can bring into play the effect the same with the example of Figure 14.

Otherwise, also can in Fig. 1, omit the flange 101c of housing 101, as shown in Figure 13 stationary housing 101 on primary mirror 202.In a word, housing 101,201 and top cover 103 or have the installation method of end cylindrical shell 203 to be not limited only to foregoing.As long as can or have end cylindrical shell 203 to be installed on the primary mirror 102,202, use any structure can with housing 101,201 and top cover 103.

Also have, also can support primary mirror 202 by carrying out screw stop to allow distolateral groove on the dorsal part circumferencial direction that is extended in primary mirror 202 or the state on the step of being entrenched in of another of cylindrical shell 201b.Adopt such way, can carry out the installation of primary mirror 202 simply, simultaneously,, rise so can prevent cost because of need not flange to be set at cylindrical shell 201b to housing 201.

In addition, can also flange (diagram slightly) be set in that another of cylindrical shell 201b is distolateral, and then the state that overlaps primary mirror 202 dorsal parts with flange fixes by utilizing screw stop etc., support primary mirrors 202 by housing 201, simultaneously, also can on primary mirror 202, be fixed with end cylindrical shell 203.Do like this and also can bring into play the effect same with the example of Figure 14.

In example 3, cylinder sheet 203a makes near central authorities the shape that expands laterally, if but allow the picture element deterioration, be single cylindric also passable.

With respect to primary mirror 202, also can resemble fixation of C CD camera body 206 Fig. 9 with the support component 152 shown in Figure 10～12.In addition, can also replace this several support components 152, use one one end to have flange, the tubular supporter (diagram slightly) of some through holes axially is set by certain distance.And then, also can this flange be fixed on primary mirror 202 by screw etc., utilize again in the aforementioned through hole certain several, use screw etc. that ccd video camera main body 206 is fixed on the supporter of tubular.Utilize such formation, can obtain to constitute at an easy rate the effect of the installing mechanism of ccd video camera main body 206.Other has, and as shown in Figure 9, also can between base plate 201a and the cylinder sheet 201b and between cylinder sheet 201b and the primary mirror 202 gap be set.Adopt such formation, easily the heat dissipation that produces in the handle assembly goes to the outside, has the effect that can prevent that internal temperature from rising.

In addition, in wide-angle camera apparatus shown in Figure 14, soft dust cover can further be set, as the dust cover that resembles as shown in Figure 9 is set.One end of this dust cover can be installed on the back side or housing 201 of primary mirror 202, and the other end is installed on lens 206a or the ccd video camera main body 206.As described in the example 2, such dust cover can prevent that inboard of end cylindrical shell 203 grades etc. from adhering to dust.The dust cover of tubular can adopt with example 1 same do manufactured, installation.

Working of an invention form 4:

Figure 16 is the central longitudinal sectional view according to the wide-angle camera apparatus of the invention process form 4.Figure 17 is the front view when wide-angle camera apparatus shown in Figure 16 is arranged to user mode (horizontality).

In Figure 16 and Figure 17, housing 301 has oval-shaped base plate 301a and cylindrical shell 301b.The end (lower end) of cylindrical shell 301b integrally is connected the periphery of base plate 301a, extends vertically to be oval tubular.This cylindrical shell 301b changes height or extended distance according to circumferential position, so that form circular opening at the other end (upper end).From the circular opening beginning, flange 301c further extends in the radial direction of opening.Primary mirror 302 is made the high and shape of undergauge upward of central authorities.On the surface of primary mirror 302, rotation is provided with minute surface 302a symmetrically.There is the axial medium pore 302b of perforation in central authorities at primary mirror 302.Transparent top cover 303 is installed on the flange 301c of housing 301.Secondary mirror 304 is arranged on the inside of top cover 303.Ccd video camera main body 306 is incorporated in the housing 301.

Primary mirror 302 and ccd video camera main body 306 are fixed on the installing component 312.Installing component 312 has cylindrical shell 312a, top and lower flange 312b and top and the 312c of lower support foot.Upper flange 312b extends from the end (upper end) of cylindrical shell 312a.Lower flange 312b extends from the other end (lower end) of cylindrical shell 312a.Several through holes (diagram slightly) are arranged on the flange 312b.The 312c of upper support foot forms on upper flange 312b continuously, and the top is flexed into the right angle.The 312c of lower support foot forms on lower flange 312b continuously, and the below is flexed into the right angle.Each supports the 312c of foot and has several through holes (diagram slightly), and screw is screwed into these through holes, can be installed on the cylindrical shell 301b of housing 301 supporting the 312c of foot.The outer surface bending that supports the 312c of foot becomes concavity, closely contacts with the medial surface of cylindrical shell 301b.On cylindrical shell 301b, be provided with several through holes 301d from the most outstanding circumferencial direction one side of base plate 301a beginning or highest point part (below be called " installation site side ").And then, by several screws 321 are inserted through hole 301d respectively, be screwed into and be fastened on the screw hole that supports the 312c of foot, installing component 312 is installed in the inboard of cylindrical shell 301b.When being installed to installing component 312 on the cylindrical shell 301b, flange 312b is approximate vertical with the optical axis of primary mirror 302.The axle of cylindrical shell 312a is not corresponding flange 312b vertically, but certain angle that tilts.That is, the downside of cylindrical shell 312a is positioned at the forward installation site side of stating, and upside is positioned at and aforementioned installation site side opposition side.Ccd video camera main body 306 with the state that inserts cylindrical shell 312a by screw stop in cylindrical shell 312a.

Therefore, the optical axis of ccd video camera main body 306 and lens 306a is with respect to the optical axis of primary mirror 302 and secondary mirror 304 certain angle that only tilts.Ccd video camera 306 is fixed on the primary mirror 302 and also can does relative position adjustment for primary mirror 302 and secondary mirror 304 as implementing described in the form 1.The front end of lens 306a (upper end) is positioned at the medium pore 302b of primary mirror 302, towards the minute surface 304a of secondary mirror 304, so that can receive light from secondary mirror 304 sides.

The central authorities of secondary mirror 304 face side are more side-prominent towards primary mirror 302.Therefore, minute surface 304a is symmetrical about its face side rotation, and has mild chevron shape.Dorsal part at secondary mirror 304 is provided with two through hole 304c side by side.These two through hole 304c are positioned at the position of departing from optical axis, only depart from the certain distance of optical axis of secondary mirror 304 by the straight line of these two through hole 304c.

Figure 18 is the front view that primary mirror in the wide-angle camera apparatus of user mode shown in Figure 17 (horizontality) is shown.

In the periphery of primary mirror 302, as shown in Figure 18, be provided with cutting 302c in position, two places.This two places cutting 302c departs from the certain distance of optical axis of primary mirror 302 slightly by the straight line of two cutting 302c not on the linear position by axle.

Figure 19 is the front view of the secondary mirror installing component in the wide-angle camera apparatus shown in Figure 16.Figure 20 is the side view of secondary mirror installing component shown in Figure 19.

Shown in Figure 19 and 20 like that, secondary mirror installing component 317 two ends of bridge shape are entrenched in the cutting 302c of primary mirror 302 respectively and are fixed on the primary mirror 302.Secondary mirror 304 is for being mounted freely on the state on the secondary mirror installing component 317.This secondary mirror installing component 317 is bending or warpage, so that do not touch the central authorities or the lens 306a of primary mirror 302 when attaching it to primary mirror 302.The central authorities in secondary mirror installing component 317 outsides (upside) have recess 317b.On the central portion in this recess 317b or the secondary mirror installing component 317 central authorities outsides (upside), the through hole 304c of corresponding secondary mirror 304 is provided with two screw hole 317a.Secondary mirror 304 is positioned on the recess 317c of secondary mirror installing component 317.And then, be screwed into screw hole 317c by the through hole 304c that pair of screws 320 is passed secondary mirror 304 respectively, secondary mirror 304 is fixed on the secondary mirror installing component 317.Secondary mirror installing component 317 is installed on the primary mirror 302, when on secondary mirror installing component 317, secondary mirror 304 being installed, primary mirror 302 is consistent with the optical axis of secondary mirror 304.Simultaneously, the part of the minute surface 304a of secondary mirror 304 is subjected to blocking of secondary mirror installing component 317.

As Figure 16 and 17 described, ring 318 external diameters equal the external diameter of the flange 301c of housing 301, internal diameter is slightly less than the internal diameter of flange 301c.The upside of this ring 318 is provided with the groove 318a as the circumferencial direction engaging piece.Top cover 303 is corresponding with aforementioned groove 318a, has flange 303a on the ora terminalis.The flange 303a of top cover 303 is fitted to this groove 318a, with the flange 303a of top cover 303, the groove 318a (trench portions) of ring 318 and the overlapped state of flange 301c of housing 301, the screw 319 of some is screwed in them, makes top cover 303 clip ring 318 and be fixed on the housing 301.Therefore, the axle of top cover 303 and the optical axis of primary mirror 302 and secondary mirror 304 are with certain angular cross.Ring 318 can by the welding etc. be fixed in advance on the flange 301c of housing 301.In addition, also flange 301c can be set on housing 301, ring 318 be fixed on the ora terminalis of cylindrical shell 301b of housing 301 by welding etc.

Below, the action of the wide-angle camera apparatus of example 4 is described.

See through top cover 303 light, after the minute surface 302a of primary mirror 302 reflection, and then, incide lens 306a then, be imaged in the semicircular part that is arranged on ccd video camera main body 306 light-sensitive surface central authorities in the minute surface 304a of secondary mirror 304 reflection.By making this semicircular part or being become image to be full of ccd video camera main body 306 light-sensitive surfaces fully, the lens that use the focal length of stipulating are regulated the position of ccd video camera main body 306 as lens 306a by cylindrical shell 312a.By such setting, can use the light-sensitive surface of ccd video camera main body 306 effectively, improve resolution.

In the wide-angle camera apparatus of this example, can set the mutual alignment and the posture relation of primary mirror 302, secondary mirror 304 and ccd video camera main body 306 accurately, position that sets and posture relation are difficult for can preventing the deterioration of image picture element because of impact, vibrate, experience is long-time etc. changes.Though the optical axis of ccd video camera main body 306 and lens 306a is with respect to the optical axis of primary mirror 302 and secondary mirror 304 certain angle that tilts slightly, because of the depth of focus of wide-angle camera apparatus darker, so can produce the fuzzy of image hardly.

And then, the flange 303a of top cover 303 is overlapped on the flange 301c of cylindrical shell 301b, utilize screw etc. to fix 303.Like this, can make equipment miniaturization, simultaneously, point out the formation that top cover 303 can be installed more simply.

In addition, also can replace cutting 302c on primary mirror 302 projection to be set, the state that is entrenched in this projection with the secondary mirror installing component 317 as support component is fixed on the primary mirror 302.This way also can obtain the effect identical with example shown in Figure 16.

If this device is installed on the ceiling in straight corridor, then can be with the corridor roughly all take in the visual field.

Figure 21 is the key diagram that becomes image in the wide-angle camera apparatus shown in Figure 16 on the ccd video camera main body light-sensitive surface, and it illustrates the light-sensitive surface and one-tenth's image of ccd video camera main body 306.

In Figure 21, ccd video camera 306 has the light-sensitive surface 1101 that forms image 520.In this situation, light-sensitive surface 1101 is compared with prior art shown in Figure 32, and is broader and can more effectively be used.And then, this example with on the ceiling flatly (optical axis is configured on the surface level) Figure 30 of installing or the device of Figure 14 compare, improved resolution.In addition, can miniaturization, lightweight and constitute the device of this example at an easy rate.

Promptly, for example, when the optical axis of primary mirror 302 and secondary mirror 304 is bordering on into when on the ceiling of horizontal direction ground in the corridor this device being installed, then can make it near the light-sensitive surface central authorities of image pickup part 306 and 306a, to form significantly roughly all images in corridor, improve and understand as ability.

Ccd video camera main body 306 to be fixed on primary mirror 302 or the installing component 312, also can use an end to have flange, the tubular supporter that axially forms several through holes at regular intervals (diagram slightly).This situation is to utilize screw etc. that flange is fixed on primary mirror 302 or the installing component 312, again by in these through holes certain several, by screw etc. ccd video camera main body 306 is fixed on the tubular supporter.

That is which through hole that, can be by selecting to utilize cylindrical shell 312a fixedly image pickup part 306 and 306a is adjusted the axial position of image pickup part 306 and 306a.Position perpendicular to axial direction is adjusted at and utilizes screw etc. that primary mirror 302 is fixed to carry out when flange 312b goes up.The focal adjustments mechanism that the adjusting utilization of focus is built in lens 306a carries out.Thus, can be simply and set position and the posture of image pickup part 306 and 306a accurately, simultaneously, position that sets and posture are difficult for can preventing that because of impact, vibration, experience are long-time etc. changes the deterioration of image picture element and cost from rising.Adopt such formation, can constitute the effect of the installing mechanism of ccd video camera main body 306 in addition at an easy rate.

Same with the situation of Fig. 9, also can between base plate 301a and the cylindrical shell 301b and cylindrical shell 301b and between the gap is set between 302.

In addition, also can be at cylindrical shell 301b from wearing certain hole on one's body, perhaps between another of top cover 303 and cylindrical shell 301b is distolateral, fixing gap is set.Like this, can prevent that the temperature in the housing 301 from rising.That is, by adopting above-mentioned such formation, the heat that can be produced in outside loss device prevents that temperature inside from rising.And then, also base plate 301a can be set.At this moment, advance easily the dust except the inside of housing 301, other effects are identical.

In wide-angle camera apparatus shown in Figure 16, soft tubular dust cover also can be set, dust cover 520 as shown in Figure 9.This dust cover can be installed on the housing 301 by an end, and the other end is installed near the lens 306a of primary mirror 302 or ccd video camera 306.This dust cover as implement form 2 described, can prevent that the inboard etc. of top cover 303 from adhering to dust.At this moment, no matter be to gapped situation between base plate 301a and the cylindrical shell 301b, still to there not being the situation of base plate 301a, all can obtain same effect.The manufacturing of the dust cover of tubular, install and to adopt the way same with example 1.

In this example, with respect to the inclined light shaft of primary mirror 302 and secondary mirror 304 be provided with the optical axis of ccd video camera main body 306 and lens 306a so that semicircular partly is in the central authorities of light-sensitive surface.Thus, can prevent because of having tunnel vision that top cover 303 is caused.

But, the present invention also can implement with other form.As, allow light-sensitive surface on perpendicular to the direction of optical axis, move also and can form image in the central authorities of light-sensitive surface.But, can not use common ccd video camera main body 306 under this situation.

In addition, though secondary mirror 304 is to be fixed on the secondary mirror installing component 317 that is installed on the primary mirror 302 here, also can be installed in secondary mirror 304 on top cover 303, housing 301 or the installing component 312.But, the formality of setting primary mirror 302 and secondary mirror 304 positions relation this moment is loaded down with trivial details, and the position relation easily changes over time, has the tendency that is easy to produce shoddyization of image slices

Working of an invention form 5:

Figure 22 is the key diagram according to primary mirror in the wide-angle camera apparatus of the invention process form 5 and secondary mirror shape, has particularly provided the primary mirror 302 of device shown in Figure 16 and secondary mirror 304 stayed the part of light reflection and almost to get rid of shape example after other parts.

In Figure 22, primary mirror 402 is made primary mirror 302 half big or small semicircular of Figure 16.Secondary mirror 404 is also made secondary mirror 304 half big or small semicircular of Figure 16.Because such semicircular primary mirror 402 and secondary mirror 404 arranged, so, can miniaturization, lightweight and constitute this device at an easy rate.In addition, top cover 406 adopts is the formation same with the top cover 303 of Figure 16.But, the top cover 403 here vertically disposes with respect to ccd video camera 406 and lens 406a.

That is, will comprise optical axis face or parallel with optical axis and near the face of optical axis as the border, only with its a certain side formation primary mirror 402 and secondary mirror 404.Like this, can obtain primary mirror 402 and secondary mirror 404 at an easy rate, alleviate whole weight.

Working of an invention form 6:

Such as shown in figure 31, when on the ceiling in corridor, the wide-angle camera apparatus of Figure 14 being installed flatly, that is, at the optical axis that makes primary mirror and secondary mirror when flatly installing, the image that is become on the ccd video camera main body light-sensitive surface will as Figure 32 or shown in Figure 21, become semicircular.Situation too when the wide-angle camera apparatus of Figure 16 was installed on the ceiling in corridor.Therefore, if the output former state of ccd video camera main body fixedly is input to display device, then the display image in the display frame is a semicircular also, is not easy to observe.

Figure 23 is that explanation is according to the key diagram that concerns between converting means in the wide-angle imaging display device of the invention process form 6 and the connection parts thereof.Figure 24 is the key diagram of explanation according to the changing image after becoming image on the ccd video camera main body light-sensitive surface in the wide-angle imaging display device of the invention process form 6 and utilizing the converting means conversion.Figure 23 is when wide-angle camera apparatus shown in Figure 16 being installed on the straight corridor ceiling, provides comparatively that former state fixedly is input to the situation of display device to the output of ccd video camera main body and by being input to the situation of display device behind the converting means.

Among Figure 23, wide-angle camera apparatus 51 shown in Figure 16 flatly is installed on the corridor ceiling 50.Converting means 52 is connected between camera head 51 and the picture 53,54.The output of ccd video camera main body fixedly is input to display device 53 by former state.Simultaneously, the output of ccd video camera main body is input to display device 54 via converting means 52 again.Converting means 52 is transformed into figure signal (with rectangle or approximate rectangular display image) with the original signal (by the semicircular display image) of ccd video camera.Thus, image in the display frame of display device 54 with rectangle or approximate rectangular showing.

Below, utilize Figure 24 that the action of this situation down conversion device 52 is described.

In Figure 24, by the image imaging of secondary mirror 204,304,404 reflection on the light-sensitive surface 1101 of ccd video camera main body 206,306,406, formation be Semicircular image 520.Become image 520 to have by two fens concentric resulting semicirculars of two circles (roundlet and great circle) of its center line.Little radius of a circle, promptly inner radius is r, big radius of a circle, promptly outer radius is R (R＞r).

Semicircular original image is utilized image that existing image processing method is transformed into rectangle and is input to video memory ME and is presented on the picture 54.This rectangular image is W, highly is that the pixel of H is formed by width.Say that at length the data of original image are that the inner arc of r is taken advantage of 27 π rn doubly (n is a coefficient) at radius, and be that the cylindrical side arc of R is taken advantage of 2 π Rm doubly (m is a coefficient) at radius.Centre position in inner arc and outer arc is then taken advantage of 2 π Rx doubly (x is a coefficient) with original image corresponding to position in the middle of it.And then, these transform datas are kept in the video memory ME, again the data of preserving are outputed to display device 54.

Below, explanation relates to the action of example 6 other routine converting means 52 according to Figure 25.

In Figure 25, by the image imaging of secondary mirror 204 reflection on the light-sensitive surface 1101 of ccd video camera main body, formation be Semicircular image 520.The semicircular image 520 that is become has by two fens concentric resulting a pair of semicircular parts of two circles (roundlet and great circle) of its center line.Little radius of a circle, promptly inner radius is r, big radius of a circle, promptly outer radius is R (R＞r).

The semicircular of original image part is the same with the situation of as shown in figure 24 example 6, is transformed into respectively by width to be W, highly to be the rectangular image that the pixel of H is formed.This a pair of transform data is kept at respectively in video memory ME1 and the ME2, and outputs to display device 54.

In this explanation, be to allow its optical axis for flatly wide-angle camera apparatus being installed on the ceiling in corridor (with reference to Figure 31), but when enforcement is of the present invention, needn't only limit to this, as also allowing its optical axis vertically wide-angle camera apparatus shown in Figure 14 is arranged on the central authorities of room ceiling.Under this situation also can with top the same ground conversion original image.In addition, because the original image that is imaged under this situation on ccd video camera main body 206 light-sensitive surfaces is ring-type picture completely, so, can resemble and as shown in Figure 25 it is transformed into a pair of rectangular image.

The manufacture method of hemispherical top cover

Figure 26 is the key diagram of the hemispherical top cover manufacture method used in the wide-angle imaging display device of example of the present invention.

Among Figure 26, female mold 601 has hemispheric recess 601a.Positive mold 602 has the semisphere protuberance 602a of radius than the thickness degree of the little top cover 303 of radius of recess 601a.The round plastic plate of being made up of lucites such as acrylic acid resins 603 has certain thickness, and simultaneously, its diameter is greater than the diameter of recess 601a.

Make top cover 303, at first positive mold 602 and female mold 601 are heated to predetermined temperature in advance, simultaneously,, allow positive mold 602 leave placement with respect to female mold 601 can between positive mold 602 and female mold 601, insert the degree of plastic plate 603.And then, such as shown in figure 26, between female mold 601 and positive mold 602, insert the plastic plate 603 be heated to predetermined temperature in advance and with it mounting on female mold 601.Then, apply external force and make female mold 601 and positive mold 602 close, till the centre of sphere of the protuberance 602a of the centre of sphere of the recess 601a of female mold 601 and positive mold 602 is roughly consistent.By such operation, just can form top cover shown in Figure 16 303.If the precision of flange 303a is insufficient, also can take advantage of plastic plate 603 not have when the sclerosis, with the unnecessary position that the cutting machine of regulation is removed flange 303a, carry out shape and repair.

Figure 27 is the key diagram of the manufacture method of the top cover 103 that uses in the wide-angle camera apparatus shown in Figure 1.

For making top cover 103,, form above-mentioned medium pore 103a at the overp0unch of the top cover made from method shown in Figure 26.And then, at the through hole 103c that some is set on every side of this medium pore 103a.By such operation, can produce top cover 103.

Other examples of example

In example shown in Figure 14 3, also can implement to suppress the processing processing of light reflection to the part except that using of inner face that end cylindrical shell 203 is arranged as usual optical pathway.Similarly, in example shown in Figure 16 4, can also implement light blocking processing processing to the part except that using of the inner face of top cover 303 as usual optical pathway.For example, at aforementioned inner face coating blackwash.Processing can improve the vividness of image like this.

In the wide-angle camera apparatus of example 1～5, can top cover 101,303,403 or to have the transparent part of end cylindrical shell 203 to make translucent or light painted transparent.Adopt such way, be difficult for seeing reflecting surface from the outside, have device to be difficult for the effect of being found by the people.

In the wide-angle camera apparatus of example 1～5, what primary mirror 102,202,302,402 and secondary mirror 104,204,304,404 used is aluminium material, carries out minute surface finishing and implements special coating.Utilize this coating can improve the reflection characteristic of minute surface.But when enforcement was of the present invention, the material of primary mirror and secondary mirror was not limited only to aluminium, also can use other material.The shape of minute surface can be opened the method that flat 6-812905 communique is put down in writing according to the spy, makes according to desired visual angle etc.

In above-mentioned example, image pickup part is the device that is made of ccd video camera main body and lens, but when enforcement is of the present invention, is not limited only to this, so long as can carry out the device of numeral or simulation shooting, which type of device is all right.Certainly, still camera also can.

In above-mentioned example, what the material of opaque housing was mainly used is aluminium, but when enforcement is of the present invention, is not limited only to this, also can use other metal or plastics.Here, though top cover 103, top cover 303, have the simplified 203a etc. of end cylindrical shell 203 all to be to use synthetic resin such as acrylic acid resin to constitute,, also can use glass etc. implementing also to be not limited only to this when of the present invention.But, under this situation, the making formality of top cover 103,303, cylindrical shell 203a is loaded down with trivial details, and cost is higher.

In addition, in example, the fixedly use of installing component 112 be 4 screws 113, what the position adjustment of image pickup part was used is the 1st～the 3rd nut 114,115,116, but also can use 3 bolts that installing component 112 is carried out 3 supports.As long as the posture and the position of image pickup part can be adjusted with respect to primary mirror, have rigidity and can keep mutual position relation and posture relation, also can use nut 114,115,116 formation in addition.

Useful effect

In existing lens type surveillance camera, because of can judge simply camera lens towards direction, wait with unplessantness displeasure to the guest sometimes, but when the wide-angle camera apparatus according to example 1～5 is used as camera for monitoring, then be difficult to where judge video camera the problem of difficult attention video camera such as guest towards.Even notice also and can reduce unplessantness displeasure.

And then device of the present invention does not have the dead angle, or can remove the dead angle in the scope of wanting to monitor, just can spread all over the supervision of broad range with a camera head.Therefore,,, can realize, can reduce setup fee and use with a camera head according to the present invention to the situation of some video cameras of existing use.In addition, use some video cameras existing, then need show this several images, can on image, produce connecting portion with several subregions if resemble.For example, monitor the action of robot and it is controlled when waiting, the control complexity that just becomes at automatic assembly line.And use one just can monitor needed panorama and gamut according to wide-angle camera apparatus of the present invention, so shown image is continuous, can not produce connecting portion, thereby not have the such problem of prior art.

Because monitoring arrangement of the present invention does not have moving part, so, there is not the situation of sounding or seeing motion from the outside, thereby, can not upset its atmosphere even if in quiet atmosphere, use yet.

Have, monitoring arrangement of the present invention also can use in broad place such as sports ground again, and the front portion by it being installed in the buildings top cover that is positioned at sports ground etc. can monitor whole sports ground with a table apparatus.Because camera head of the present invention has utmost point wide-angle, so, no matter be can carry out distinct shooting simultaneously near shooting object or to shooting object far away.Because camera head of the present invention is reflective, form the good device of brightness high sensitivity with heavy caliber easily, so, also can use in darker place.And, if the ccd video camera use is the high sensitivity video camera, then can be in darker place shooting.In addition,, can carry out and the almost irrelevant imaging of light wavelength because camera head of the present invention is the device of reflection mirror, so, if group is gone into infrared C CD video camera, can also constitute the wide-angle camera apparatus that utilizes ultrared picture element good.

In this example, housing is formed by several parts, but is implementing when of the present invention, also can be formed with end cylindrical shell or hemisphere, end cube is arranged by pressure processing etc. by single parts.

In above-mentioned example, be the prerequisite explanation with the ccd video camera as image pickup part, but when enforcement is of the present invention, can use digital camera, still camera etc.In any case, so long as the image detection device all can.

According to above-mentioned example, dust cover is to be installed in aforementioned primary mirror side with an end, the tubular that the other end is installed in the softness of aforementioned image pickup part side is the explanation that prerequisite is carried out, but when enforcement is of the present invention, also can form gap in aforementioned primary mirror side or aforementioned image pickup part side with dust cover function degree.

According to above-mentioned example, use flange to connect to cover aforementioned primary mirror and see through simultaneously from the aforementioned top cover of light from outside or end cylindrical shell is arranged, but, can use the formation that adopts other stationary installations implementing to be not limited only to such formation when of the present invention.

Therefore, the preferred embodiment put down in writing of this instructions is not limited only to illustrated situation.Scope of the present invention is expressed by attached technical scheme, and all variation that fall into these technical scheme scopes all are included in the present invention.

Claims (19)

1. wide-angle camera apparatus is characterized in that having:

Central authorities have the convex primary mirror of through hole;

Cover primary mirror, see through approximate hemispheric top cover simultaneously from extraneous light;

Convex secondary mirror by aforementioned top cover support; And

Support by aforementioned primary mirror, simultaneously its front end pass aforementioned primary mirror through hole towards aforementioned secondary mirror, and based on the image information of incident ray image pickup part as picture signal output;

The light that sees through aforementioned top cover reflects at aforementioned primary mirror, and then after the aforementioned auxiliary mirror reflection, incides image pickup part from the front end of aforementioned image pickup part.

2. wide-angle camera apparatus is characterized in that having:

Central authorities have the convex primary mirror of through hole;

Cover primary mirror, see through approximate hemispheric top cover simultaneously from extraneous light;

By aforementioned top cover support, central authorities have the convex secondary mirror of through hole;

Be configured in the lens of the central through hole of aforementioned secondary mirror; And

Front end passes the through hole of aforementioned primary mirror towards aforementioned secondary mirror, and the image pickup part of exporting as picture signal based on the image information of incident ray;

The light that sees through aforementioned top cover reflect at aforementioned primary mirror, and then after the aforementioned auxiliary mirror reflection, incides image pickup part from the front end of aforementioned image pickup part, simultaneously, and through the front end incident of the light of aforementioned lens from aforementioned image pickup part.

3. the wide-angle camera apparatus put down in writing of claim 1 is characterized in that it further has:

Aforementioned secondary mirror (104,124) is attached at the hookup mechanism (110,111:121,122:124c, 130:110A, 111) of the inboard of aforementioned top cover (103).

4. the wide-angle camera apparatus put down in writing of claim 2 is characterized in that:

Aforementioned top cover (103) has near the medium pore (103c) that is arranged in its summit;

Aforementioned secondary mirror (104) is made at least in the outer circumferential sides of an axial end (124c) and is worn the approximate cylinder of pin thread or cylindric;

Aforementioned wide-angle camera apparatus further has nut, and this nut has the female screw that can freely mesh the regulation of aforementioned secondary mirror pin thread;

The pin thread of aforementioned secondary mirror passes the through hole of aforementioned top cover from the inboard, allow the female screw of aforementioned nut mesh the aforementioned male screw thread, by tighten aforementioned nut on the pin thread of aforementioned secondary mirror, aforementioned secondary mirror is fixed on the aforementioned top cover.

5. the wide-angle camera apparatus put down in writing of claim 2 is characterized in that further having:

Aforementioned lens (105) are installed and are remained on the lens holder (104f, 108a:124f, 128,130:110B, 111A) of the assigned position in the through hole (104b) of aforementioned secondary mirror (104).

6. the wide-angle camera apparatus put down in writing of claim 2, it is characterized in that further having light flux regulating device, this light flux regulating device is by the diaphragm that functionally links with aforementioned lens (105), the optical filter that functionally links with aforementioned lens (105) with certain optical transmittance, be set at the material of certain value with the design of aforementioned lens one and the light transmission rate of aforementioned lens, and with aforementioned lens one design and the light transmission rate of aforementioned lens is set at one of the coating formation of certain value.

7. the wide-angle camera apparatus put down in writing of claim 1 is characterized in that:

Aforementioned primary mirror (102,142) have with aforementioned top cover (103) ora terminalis face-off ground be configured near the primary mirror excircle by the groove (102c of extension along the circumferential direction; 318a) and the auxiliary section that constitutes of one of step;

Aforementioned top cover (103) has flange (103a on aforementioned ora terminalis; 303a);

The flange of aforementioned top cover is overlapped the aforementioned auxiliary section of aforementioned primary mirror, on the fixing aforementioned primary mirror of aforementioned top cover.

8. the wide-angle camera apparatus put down in writing of claim 1 is characterized in that it further has:

But be used on aforementioned primary mirror, fixing to the free adjustment position stationary installation (112,113,114,115,116:152,154:161a, 161bb) of aforementioned image pickup part.

9. the wide-angle camera apparatus put down in writing of claim 1 is characterized in that it further has an end and is attached at the primary mirror side, and the other end is installed in has a flexual tubular dust cover (500) on the aforementioned image pickup part.

10. the wide-angle camera apparatus put down in writing of claim 1 is characterized in that it further has the housing (141) of taking in aforementioned image pickup part, and is formed with the air flow path of enclosure interior space ventilation usefulness on aforementioned housing.

11. a wide-angle camera apparatus is characterized in that having:

Central authorities have the convex primary mirror (202) of through hole (202b);

Make the approximate circle tubular, have near its short transverse central authorities a cylindrical portion (203a) that outwards expands and cover the distolateral lid (203b) of aforementioned cylindrical portion axial simultaneously, the other end of aforementioned cylindrical portion is fixed on aforementioned primary mirror side, and seeing through when covering aforementioned primary mirror has an end cylindrical shell (203) from extraneous light;

Be fixed on the aforementioned convex secondary mirror (204) that has on the end cylindrical shell; And

Supported by aforementioned primary mirror, simultaneously, the through hole that front end is passed aforementioned primary mirror is towards secondary mirror, and based on the image information of the light of incident as the image pickup part of picture signal output (206,206a);

The light that sees through aforementioned cylindrical shell is in aforementioned primary mirror reflection and then after the aforementioned auxiliary mirror reflection, incides image pickup part from the front end of aforementioned image pickup part.

12. the wide-angle camera apparatus that claim 11 is put down in writing is characterized in that:

Aforementioned image pickup part is made in the tubular of axial extension or column;

And then, having installing component (112), this installing component has the flange part (112b) that the tube portion (112a) of some installations through hole is being set at regular intervals and is being arranged on the axial end of aforementioned tube portion axial;

Said flange portion is fixed on the aforementioned primary mirror, and simultaneously, aforementioned image pickup part is installed in the inboard of aforementioned tube portion.

13. the wide-angle camera apparatus that claim 11 is put down in writing is characterized in that it further has an end and is attached at aforementioned primary mirror side, the other end is installed in the flexual tubular dust cover of having of aforementioned image pickup part side.

14. the wide-angle camera apparatus that claim 1 is put down in writing is characterized in that:

Also has the secondary mirror installing component (317) that aforementioned secondary mirror (304) can be installed with aforementioned primary mirror (302) face-off ground in aforementioned top cover (303);

With respect to the optical axis of aforementioned primary mirror, aforementioned image pickup part (306,306a) is supported on aforementioned primary mirror side with the state of inclined light shaft certain angle.

15. the wide-angle camera apparatus that claim 14 is put down in writing is characterized in that: aforementioned secondary mirror installing component is made the shape of bending or warpage so that do not contact near the central authorities of aforementioned primary mirror, and its end is fixed on the aforementioned primary mirror.

16. the wide-angle camera apparatus that claim 14 is put down in writing is characterized in that:

Have a certain degree by the axle center on aforementioned top cover summit and the optical axis of aforementioned primary mirror.

17. the wide-angle camera apparatus that claim 14 is put down in writing is characterized in that:

Also have perpendicular to what the contour shape in the cross section in axle center was made sub-elliptical the oval tubular in the end arranged, and the housing (301) of aforementioned image pickup part is accommodated by portion within it;

By cut off an axial end of aforementioned housing obliquely with respect to the axle center, form the opening of approximate positive toroidal, simultaneously, the flange (301c) of approximate positive toroidal is set on this opening, and the periphery ora terminalis of aforementioned approximate hemispheric top cover is installed on this said flange.

18. the wide-angle camera apparatus that claim 14 is put down in writing is characterized in that also having an end and is attached at aforementioned primary mirror side, the other end is installed in the flexual tubular dust cover of having of aforementioned image pickup part side.

19. a wide-angle imaging display device is characterized in that having:

The wide-angle camera apparatus that claim 1 is put down in writing;

Input is from the picture signal of the aforementioned image pickup part of aforementioned wide-angle camera apparatus and show the display device of its content with image; And

Ring-type or Semicircular image signal transformation from the aforementioned image pickup part of aforementioned wide-angle camera apparatus are become the picture signal of representing with rectangular coordinates, and it is outputed to the image conversion device of aforementioned display.

Images