CN1629675A - Optical lens and adjustment method thereof - Google Patents
Optical lens and adjustment method thereof Download PDFInfo
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- CN1629675A CN1629675A CN 200310121300 CN200310121300A CN1629675A CN 1629675 A CN1629675 A CN 1629675A CN 200310121300 CN200310121300 CN 200310121300 CN 200310121300 A CN200310121300 A CN 200310121300A CN 1629675 A CN1629675 A CN 1629675A
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Abstract
This invention relates to an optical lens and its adjusting method. Said lens has at least one mirror and one diaphragm, the mirror is suitable for light ray incidence, and the diaphragm is matched on the incident beam path of the light to the lens. Besides, the diaphragm has an incident pupil with a central lateral part and two end parts matching to both ends of the central lateral part, the width of which corresponding to the two end symmetric shaft is not equal to the corresponding width of the ends so as alter the shape and size of the incident pupil by changing the diaphragm value to alter the image quality.
Description
Technical field
The present invention relates to a kind of camera lens, particularly relate to a kind of optical lens and method of adjustment thereof.
Background technology
In the growing society of electronics technology now, many electronic products are dispersed throughout in people's daily life, no matter at food, clothing, live, row, educate with happy aspect, all can use the product that integrated circuit package is formed.Along with science and technology is constantly progressive, with regard to functional, more complicated, more humane product is weeded out the old and bring forth the new, with regard to the electronic product outward appearance, and also towards light, thin, short, little trend design, and with regard to the design of optical scanner, also towards this trend development.Except utilizing the direct pick-up image pattern of digital camera, the image input operation of other relevant document or picture, all need see through the analog image that optical scanner captures literal or pattern, and convert thereof into digital signal output, help the user on computing machine or other electronic product, carry out the actions such as demonstration, identification, editor, storage and output of image archives.
From the above, if distinguish according to the input mode of document image, optical scanner can be divided into handly scanner (Pocket Scanner), paper feeding scanner (Sheet Feed Scanner), drum type scanner (Drum Scanner) and falt bed scanner (Flatbed Scanner) or the like.Because platform-type scanner has more stable image scan quality, makes falt bed scanner become one of present modal optical scanner.Wherein, the optical lens in the falt bed scanner is being played the part of very important role, and it may influence the scanning quality of falt bed scanner.
Seeing also shown in Figure 1ly, is the structural profile synoptic diagram of existing known a kind of scanner.This scanner 100 has a housing 110, one scan window 120 and one scan module 130 at least, and wherein, scanning window 120 is the tops that are positioned at housing 110, and scan module 130 is to be equipped within the housing 110.In addition, scan module 130 has a module housing 140, a light source 150, three catoptrons 160, an optical lens 170 and an optical sensor assembly 180 at least.Light source 150 is to be disposed on the module housing 140, and catoptron 160, optical lens 170 and optical sensor assembly 180 are to be equipped within the module housing 140.Light source 150 can be launched a light 152, be positioned at a file 10 on the scanning window 120 in order to irradiation, and this light 152 is the corresponding image light 154 that produces via the reflection of file 10, and image light 154 is more in regular turn via the repeatedly reflection of catoptron 160, and the refraction of process optical lens 170, be imaged at last on the optical sensor assembly 180.
Seeing also shown in Figure 2ly, is the diagrammatic cross-section of optical lens in the existing known scanner.This optical lens 170 has an iris diaphragm plate 172 and at least one eyeglass 174.Wherein, iris diaphragm plate 172 is configurable between eyeglass 174.In addition, iris diaphragm plate 172 has an entrance pupil 171, and entrance pupil 171 is to run through the zone line of iris diaphragm plate 172 and entrance pupil 171 is to allow 154 incidents of image light.Wherein, the position of the entrance pupil 171 of iris diaphragm plate 172 is to be fixed on zone line, and the size of its opening and size are also fixing.
Seeing also shown in Figure 3ly, is the synoptic diagram of the entrance pupil of iris diaphragm plate.With regard to the entrance pupil 171 that has known iris diaphragm plate 172 now, the shape of entrance pupil 171 all is circular, and the opening size of its entrance pupil 171 is immutable, concerning iris diaphragm plate 172, because entrance pupil 171 its shapes are the causes for circle, so it has single f-number.
The shape of please consulting image light 154 shown in Figure 3, above-mentioned equally is also non-circular, and its shape is to be strip.Therefore, when image light 154 is incident upon the entrance pupil 171 of iris diaphragm plate 172, because the shape of the shape of entrance pupil 171 and image light 154 is also inconsistent, so the next door of entrance pupil 171 may have other veiling glare and also incide 171 li of entrance pupils in the lump, and have influence on the quality of image light 154, and then have influence on whole scanning quality.
In addition.Owing to the circle that is shaped as of the entrance pupil that has known optical lens now, only can adjust the position of iris diaphragm plate, and can not carry out the shape of entrance pupil and the adjustment of position at the photometric distribution of image with respect to eyeglass, scan quality so can't promote.
This shows that above-mentioned existing optical lens and method of adjustment thereof still have many defectives, and demand urgently further being improved.In order to solve the problem that optical lens and method of adjustment thereof exist, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing optical lens and method of adjustment thereof exist, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of novel optical lens, can improve general existing optical lens and method of adjustment thereof, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing optical lens exists, and provide a kind of new optical lens, technical matters to be solved is to make it can solve the entrance pupil that has known iris diaphragm plate now only to have single f-number, and problem that can not the more weak grade of reinforcement light source both sides luminosity, thereby be suitable for practicality more.
Another object of the present invention is to, a kind of optical lens is provided, technical matters to be solved is to make it can solve the not good problem of scanning quality in the existing known scanner.
A further object of the present invention is, overcome the defective that existing optical module method of adjustment exists, and provide a kind of new optical module method of adjustment, technical matters to be solved is to make it can utilize non-circular entrance pupil, according to incident light and image photometric distribution, adjust the relative angle of entrance pupil, even revise the shaped design of entrance pupil, and can improve the quality that scans of image.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of optical lens that the present invention proposes, it comprises: at least one eyeglass is suitable for a light incident; And an iris diaphragm plate, be disposed at this light to the input path of this eyeglass, wherein this iris diaphragm plate has an entrance pupil, and this entrance pupil is a dumbbell shaped.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid optical lens wherein more comprises a camera lens outer shroud, and this eyeglass and this iris diaphragm plate all are disposed at this camera lens outer shroud inside.
Aforesaid optical lens comprises more that wherein an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to the input path of this light.
Aforesaid optical lens comprises more that wherein an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to this eyeglass.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of optical lens that the present invention proposes, it comprises: at least one eyeglass is suitable for a light incident; An and iris diaphragm plate, be disposed at this light to the input path of this eyeglass, this iris diaphragm plate has an entrance pupil, this entrance pupil has a central transverse part and two ends, this two end balanced configuration respectively wherein should central authorities' transverse part be not equal to the corresponding width of this two end in two ends of this central authorities' transverse part with respect to the width of this two ends axis of symmetry.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid optical lens wherein saidly wherein more comprises a camera lens outer shroud, and this eyeglass and this iris diaphragm plate all are disposed at this camera lens outer shroud inside.
Aforesaid optical lens comprises more that wherein an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to the input path of this light.
Aforesaid optical lens comprises more that wherein an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to this eyeglass.
Aforesaid optical lens, the rough strip that is of wherein said central transverse part.
Aforesaid optical lens, the rough circle that is in wherein said two ends.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.According to a kind of optical lens that the present invention proposes, it comprises: at least one eyeglass is suitable for a light incident; An and iris diaphragm plate, be disposed at this light to the input path of this eyeglass, this iris diaphragm plate has an entrance pupil, and this entrance pupil is non-circular, and have at least three characteristic dimensions, the ratio of corresponding each those characteristic dimension of the focal length value of this eyeglass constitutes a f-number respectively.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid optical lens, wherein said entrance pupil has a central transverse part and two ends, this two ends difference balanced configuration is in two ends of this central authorities' transverse part, wherein this entrance pupil has four characteristic dimensions, comprise that one first characteristic dimension is the width of this central authorities' transverse part with respect to this two ends axis of symmetry, one second characteristic dimension is one of them corresponding width of this two end, one the 3rd characteristic dimension is this two end another corresponding width wherein, and one the 4th characteristic dimension be the width of this entrance pupil perpendicular to axis of symmetry, and the focal length value of this eyeglass is corresponding to this first characteristic dimension, this second characteristic dimension, the ratio of the 3rd characteristic dimension and the 4th characteristic dimension constitutes one first f-number respectively, one second f-number, one the 3rd f-number and one the 1 circle value.
Aforesaid optical lens, the rough strip that is of wherein said central transverse part.
Aforesaid optical lens, the rough circle that is in wherein said two ends.
The object of the invention to solve the technical problems also realizes by the following technical solutions.A kind of optical module method of adjustment according to the present invention's proposition, it may further comprise the steps: an optical module is provided, this optical module comprises an optical lens and an optical sensor assembly at least, be suitable for this optical lens of image light incident, and in this optical sensor assembly imaging, wherein this optical lens has at least one eyeglass, be suitable for this image light incident, an and iris diaphragm plate, be disposed at this image light to the input path of this eyeglass, this iris diaphragm plate has an entrance pupil, this entrance pupil has a central transverse part and two ends, this two end balanced configuration respectively wherein should central authorities' transverse part be not equal to the corresponding width of this two end in two ends of this central authorities' transverse part with respect to the width of this two ends axis of symmetry; Adjust in this iris diaphragm plate this entrance pupil with respect to the position of this image light, to adjust this image light in the image quality of this optical sensor assembly; And the relative position of fixing this iris diaphragm plate and this optical module, and adjust this eyeglass to angle that should iris diaphragm plate, to adjust this image light in the image quality of this optical sensor assembly.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid optical module method of adjustment, wherein said optical frames comprises a camera lens outer shroud first watch, and this eyeglass and this iris diaphragm plate all are disposed at this camera lens outer shroud inside, reach an adjuster and connect this iris diaphragm plate and this camera lens outer shroud, this adjuster is in order to adjust the position of this entrance pupil with respect to this image light.
Aforesaid optical module method of adjustment, wherein said central transverse part is rough to be a strip, and the rough circle that is in this two end.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, the present invention proposes a kind of optical lens, and this optical lens has an at least one eyeglass and an iris diaphragm plate.Eyeglass is suitable for a light incident, and iris diaphragm plate is disposed at light to the input path of eyeglass.And iris diaphragm plate has an entrance pupil, and entrance pupil has a central transverse part and two ends, and this end is that balanced configuration respectively is in two ends of central transverse part.Wherein, central transverse part is not equal to the corresponding width of end with respect to the width of end axis of symmetry.
Described according to preferred embodiment of the present invention, above-mentioned optical lens has more a camera lens outer shroud and an adjuster.Eyeglass and iris diaphragm plate all are disposed at camera lens outer shroud inside.Adjuster is connected in iris diaphragm plate and camera lens outer shroud, and it is in order to adjust the position of entrance pupil with respect to the input path of light.Or it is in order to adjust the position of entrance pupil with respect to eyeglass.Wherein, the central transverse part of entrance pupil is rough to be a strip, and the end of entrance pupil is rough rounded.The shape of above-mentioned entrance pupil for example is a dumbbell shaped.
Therefore the present invention can be designed to the entrance pupil of iris diaphragm plate non-circular shape because adopt optical lens, makes the iris diaphragm plate of optical lens can have most f-numbers.The deviser can adjust and change the shape and the size of entrance pupil by the numerical value of the f-number that changes iris diaphragm plate, can come the deficiency of reinforcement light source both sides luminosity via the shape that changes entrance pupil, and then make scanner can keep preferable scanning quality.
By technique scheme, the present invention has the following advantages at least:
1, optical lens of the present invention, iris diaphragm plate can have a plurality of f-numbers, by the numerical value of the f-number of adjusting iris diaphragm plate to change the shape of entrance pupil, to improve the quality of scan-image.Such as the luminosity of supplying the light source two ends, the luminosity that makes the light source two ends be incident to entrance pupil equals the middle luminosity that is incident to entrance pupil of light source.
2, optical lens of the present invention, the shape of its entrance pupil can realistic incident ray shape, can reduce other veiling glare and incide entrance pupil and interfere with incident ray, and then make scanner can keep preferable scanning quality.
3, the method for adjustment of optical module of the present invention can be adjusted entrance pupil and the incidental image relative position as light, and entrance pupil and eyeglass relative position, and can obtain preferable mtf value.
In sum, the optical lens of special construction of the present invention, the entrance pupil that can solve existing known iris diaphragm plate only has single f-number, and problem that can not the more weak grade of reinforcement light source both sides luminosity, and can solve the not good problem of scanning quality in the existing known scanner.Optical module method of adjustment of the present invention can be utilized non-circular entrance pupil, according to incident light and image photometric distribution, adjusts the relative angle of entrance pupil, even revises the shaped design of entrance pupil, and can improve the quality that scans of image.It has above-mentioned many advantages and practical value, and in like product and method, do not see have similar design to publish or use and really genus innovation, no matter it is all having bigger improvement on product structure, on the method or on the function, have large improvement technically, and produced handy and practical effect, and more existing optical lens has the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the diagrammatic cross-section that has known a kind of scanner now.
Fig. 2 is the diagrammatic cross-section that has optical lens in the known scanner now.
Fig. 3 is the synoptic diagram of the entrance pupil of iris diaphragm plate.
Fig. 4 is the diagrammatic cross-section according to the scanner of preferred embodiment of the present invention.
Fig. 5 is the schematic perspective view of optical lens among Fig. 4.
Fig. 6 is an I-I diagrammatic cross-section among Fig. 5.
Fig. 7 is the enlarged diagram of iris diaphragm plate among Fig. 6.
10,20: file 100,200: scanner
110,210: housing 120,220: scanning window
130,230: scan module 140,240: module housing
150,250: light source 152,252: light
154,254: image light 160,260: catoptron
170,270: optical lens 171,271: entrance pupil
172,272: iris diaphragm plate 174,274: eyeglass
180,280: optical sensor assembly 276: the camera lens outer shroud
278: 282: the first characteristic dimensions of adjuster
286: the three characteristic dimensions of 284: the second characteristic dimensions
288: the four characteristic dimensions
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to optical lens and its embodiment of method of adjustment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Figure 4ly, is the structural profile synoptic diagram according to the scanner of preferred embodiment of the present invention.This scanner 200 has a housing 210, one scan window 220 and one scan module 230 at least, and wherein, scanning window 220 is the tops that are positioned at housing 210, and scan module 230 is to be equipped within the housing 210.Wherein, scanning window 220 for example is a printing opacity flat board, and the material of this printing opacity flat board for example is glass or transparent plastic.In addition, scan module 230 has a module housing 240, a light source 250, three catoptrons 260, an optical lens 270 and an optical sensor assembly 280 at least.Light source 250 is to be disposed on the module housing 240, and catoptron 260, optical lens 270 and optical sensor assembly 280 are to be equipped within the module housing 240.Wherein, light source 250 for example is a linear fluorescent tube, and optical sensor assembly 280 for example be a Charged Coupled Device (Charge CoupledDevice, CCD).Light source 250 can be launched a light 252, be positioned at a file 20 on the scanning window 220 in order to irradiation, and through the reflection of file 20 thus and the corresponding image light 254 that produces, and image light 254 is again via the repeatedly reflection of three catoptrons 260, and the refraction of process optical lens 270, be imaged at last on the optical sensor assembly 280.Wherein, the route with above-mentioned 254 processes of image light is defined as a light path.
See also Fig. 5 and shown in Figure 6, Fig. 5 is the schematic perspective view of optical lens among Fig. 4, and Fig. 6 is an I-I diagrammatic cross-section among Fig. 5.This optical lens 270 is to have an iris diaphragm plate 272 and at least one eyeglass, and iris diaphragm plate 272 is to be disposed between image light and the eyeglass, and iris diaphragm plate 272 and eyeglass all can be equipped on the inside of camera lens outer shroud 276, as shown in Figure 5.Wherein, the material of eyeglass for example is glass, light-passing plastic or other similar material.One end of adjuster 278 can be connected in iris diaphragm plate 272, and the other end of adjuster 278 is to be exposed to outside the camera lens outer shroud 276.
Above-mentioned camera lens outer shroud 276 can protect iris diaphragm plate 272 and eyeglass to reduce the pollution of dust in the external environment, and avoids the people to touch the scratch that causes eyeglass to cause.In addition, camera lens outer shroud 276 can also fixed aperture sheet 272 and eyeglass.The function of adjuster 2 78 is in order to adjust the position of iris diaphragm plate 272 with respect to eyeglass.For example, when whole optical lens 270 is inserted in the scan module, the position of adjuster 278 rotatable adjustment iris diaphragm plates 272 is to obtain preferable incidental image as light, and iris diaphragm plate 272 fixing after, camera lens outer shroud 276 is adjusted in collocation again, finding the best angle of eyeglass, and then keep scanning quality preferably, to obtain preferable MTF (modulation trahsfer function) value.
Please consult shown in Figure 6ly equally, iris diaphragm plate 272 has an entrance pupil 271, and entrance pupil 271 is the zone lines that can run through iris diaphragm plate 272.The function of entrance pupil 271 is can make the incident of image light and pass through this entrance pupil 271, and can adjust the position of iris diaphragm plates 272 with respect to eyeglass by above-mentioned adjuster 278.If the upper left lower right of deflection entrance pupil 271 during the incident of image light can be adjusted adjuster 278 to right rotation and make iris diaphragm plate 272 with respect to eyeglass 274 rotation of turning right, the position of entrance pupil 271 can be cooperated with image light.
Yet, being familiar with this operator will be appreciated that, the shape of entrance pupil is not limited to as shown in Figure 6, and the shape of entrance pupil shown in Figure 6 is to be dumb-bell shape, and the shape of entrance pupil of the present invention needs only the connotation that non-circular shape can meet technical solution of the present invention.Then, will introduce the annexation of entrance pupil each several part and the shape of entrance pupil in detail below.
Seeing also shown in Figure 7ly, is the enlarged diagram of iris diaphragm plate among Fig. 6.This entrance pupil 271 has a central transverse part 275 and two ends 277.End 277 is to distinguish balanced configuration in the two ends of central transverse part 275, and end 277 is to be connected with central transverse part 275.Wherein, end described herein 277 symmetrical axial width are the corresponding width greater than end 277.Wherein, the rough strip that presents of the shape of central transverse part 275, and the rough circle that presents of the shape of end 277.
Please consult shown in Figure 7 equally, in addition, entrance pupil 271 has four characteristic dimensions, its central transverse part 275 is to be one first characteristic dimension 282 with respect to the width of end 277 axis of symmetry, and end 277 one of them corresponding width are to be one second characteristic dimension 284, and end 277 another corresponding width wherein is to be one the 3rd characteristic dimension 286, and entrance pupil 271 is to be one the 4th characteristic dimension 288 perpendicular to the width of axis of symmetry.Because f-number is the ratio of focal distance f character pair size, so the focal length value of eyeglass 274 constitutes one first f-number corresponding to 282 of first characteristic dimensions, and the focal length value of eyeglass 274 constitutes one second f-number corresponding to 284 of second characteristic dimensions, and the focal length value of eyeglass 274 constitutes one the 3rd f-number corresponding to 286 of the 3rd characteristic dimensions, and the focal length value of eyeglass 274 constitutes one the 4th f-number corresponding to 288 of the 4th characteristic dimensions.Therefore, the numerical value of indivedual f-numbers be can adjust, the size of entrance pupil 271 and shape changed to satisfy the demand of real world applications situation.For example, when a little less than the luminosity at the light source two ends luminosity middle than light source, second f-number of adjustable big entrance pupil 271 and the 3rd f-number, second characteristic dimension 284 and the 3rd characteristic dimension 286 of end 277 are increased, and then the end 277 that makes entrance pupil 271 can hold more light incident, to supply the luminosity at light source two ends, make the middle luminosity that is incident to entrance pupil 271 of light source equal the luminosity that the light source two ends are incident to entrance pupil 271, make the luminosity of scan-image even, and then can keep preferable scanning quality.Yet image influences the fluorescent tube photometric distribution that the reason of luminosity comprises scanner, the quality of catoptron and the quality of eyeglass etc., the objective of the invention is to propose to have the entrance pupil of a plurality of feature f-numbers, therefore can adjust the entrance pupil shape according to the characteristic of actual scanning instrument, to improve the quality of scan-image.And after the entrance pupil shape is determined, can also be by the relative position of adjusting entrance pupil and incidental image picture, and entrance pupil aimed at the best angle of eyeglass, to obtain preferable mtf value.Certainly, optical lens of the present invention is used and also is not limited to scanner, and other optical instrument all can utilize non-circular entrance pupil, and the adjustment of a plurality of f-numbers, improves the quality of image.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (17)
1, a kind of optical lens is characterized in that it comprises:
At least one eyeglass is suitable for a light incident; And
One iris diaphragm plate is disposed at this light to the input path of this eyeglass, and wherein this iris diaphragm plate has an entrance pupil, and this entrance pupil is a dumbbell shaped.
2, optical lens according to claim 1 is characterized in that wherein more comprising a camera lens outer shroud, and this eyeglass and this iris diaphragm plate all are disposed at this camera lens outer shroud inside.
3, optical lens according to claim 2 is characterized in that wherein more comprising that an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to the input path of this light.
4, optical lens according to claim 2 is characterized in that wherein more comprising that an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to this eyeglass.
5, a kind of optical lens is characterized in that it comprises:
At least one eyeglass is suitable for a light incident; And
One iris diaphragm plate, be disposed at this light to the input path of this eyeglass, this iris diaphragm plate has an entrance pupil, this entrance pupil has a central transverse part and two ends, this two end balanced configuration respectively wherein should central authorities' transverse part be not equal to the corresponding width of this two end in two ends of this central authorities' transverse part with respect to the width of this two ends axis of symmetry.
6, optical lens according to claim 5 is characterized in that wherein more comprising a camera lens outer shroud, and this eyeglass and this iris diaphragm plate all are disposed at this camera lens outer shroud inside.
7, optical lens according to claim 6 is characterized in that wherein more comprising that an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to the input path of this light.
8, optical lens according to claim 6 is characterized in that wherein more comprising that an adjuster connects this iris diaphragm plate and this camera lens outer shroud, in order to adjust the position of this entrance pupil with respect to this eyeglass.
9, optical lens according to claim 5 is characterized in that the rough strip that is of wherein said central transverse part.
10, optical lens according to claim 5 is characterized in that the rough circle that is in wherein said two ends.
11, a kind of optical lens is characterized in that it comprises:
At least one eyeglass is suitable for a light incident; And
One iris diaphragm plate, be disposed at this light to the input path of this eyeglass, this iris diaphragm plate has an entrance pupil, and this entrance pupil is non-circular, and have at least three characteristic dimensions, the ratio of corresponding each those characteristic dimension of the focal length value of this eyeglass constitutes a f-number respectively.
12, optical lens according to claim 11, it is characterized in that wherein said entrance pupil has a central transverse part and two ends, this two ends difference balanced configuration is in two ends of this central authorities' transverse part, wherein this entrance pupil has four characteristic dimensions, comprise that one first characteristic dimension is the width of this central authorities' transverse part with respect to this two ends axis of symmetry, one second characteristic dimension is one of them corresponding width of this two end, one the 3rd characteristic dimension is this two end another corresponding width wherein, and one the 4th characteristic dimension be the width of this entrance pupil perpendicular to axis of symmetry, and the focal length value of this eyeglass is corresponding to this first characteristic dimension, this second characteristic dimension, the ratio of the 3rd characteristic dimension and the 4th characteristic dimension constitutes one first f-number respectively, one second f-number, one the 3rd f-number and one the 1 circle value.
13, optical lens according to claim 12 is characterized in that the rough strip that is of wherein said central transverse part.
14, optical lens according to claim 12 is characterized in that the rough circle that is in wherein said two ends.
15, a kind of optical module method of adjustment is characterized in that it may further comprise the steps:
One optical module is provided, this optical module comprises an optical lens and an optical sensor assembly at least, be suitable for this optical lens of image light incident, and in this optical sensor assembly imaging, wherein this optical lens has at least one eyeglass, be suitable for this image light incident, an and iris diaphragm plate, be disposed at this image light to the input path of this eyeglass, this iris diaphragm plate has an entrance pupil, this entrance pupil has a central transverse part and two ends, and this two end balanced configuration respectively wherein should central authorities' transverse part be not equal to the corresponding width of this two end in two ends of this central authorities' transverse part with respect to the width of this two ends axis of symmetry;
Adjust in this iris diaphragm plate this entrance pupil with respect to the position of this image light, to adjust this image light in the image quality of this optical sensor assembly; And
Fix the relative position of this iris diaphragm plate and this optical module, and adjust this eyeglass to angle that should iris diaphragm plate, to adjust this image light in the image quality of this optical sensor assembly.
16, optical module method of adjustment according to claim 15, it is characterized in that wherein said optical frames comprises a camera lens outer shroud first watch, and this eyeglass and this iris diaphragm plate all are disposed at this camera lens outer shroud inside, reach an adjuster and connect this iris diaphragm plate and this camera lens outer shroud, this adjuster is in order to adjust the position of this entrance pupil with respect to this image light.
17, optical module method of adjustment according to claim 15 is characterized in that wherein said central transverse part is rough and is a strip, and the rough circle that is in this two end.
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| CN 200310121300 CN1629675A (en) | 2003-12-18 | 2003-12-18 | Optical lens and adjustment method thereof |
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| CN 200310121300 CN1629675A (en) | 2003-12-18 | 2003-12-18 | Optical lens and adjustment method thereof |
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| CN113557106A (en) * | 2019-03-13 | 2021-10-26 | 瑞尼斯豪公司 | Measuring device and method |
| CN114992575A (en) * | 2021-03-02 | 2022-09-02 | 扬明光学股份有限公司 | Head lamp and projection device for vehicle |
| US12048977B2 (en) | 2019-03-13 | 2024-07-30 | Renishaw Plc | Tool measurement device for a machine tool |
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2003
- 2003-12-18 CN CN 200310121300 patent/CN1629675A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113557106A (en) * | 2019-03-13 | 2021-10-26 | 瑞尼斯豪公司 | Measuring device and method |
| CN113557106B (en) * | 2019-03-13 | 2023-09-22 | 瑞尼斯豪公司 | Measuring device and method |
| US12048977B2 (en) | 2019-03-13 | 2024-07-30 | Renishaw Plc | Tool measurement device for a machine tool |
| US12085413B2 (en) | 2019-03-13 | 2024-09-10 | Renishaw Plc | Measurement apparatus and method |
| CN114992575A (en) * | 2021-03-02 | 2022-09-02 | 扬明光学股份有限公司 | Head lamp and projection device for vehicle |
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