CN1536329A - Beam splitting and combining prism unit and distance measuring device by using said prism unit - Google Patents
Beam splitting and combining prism unit and distance measuring device by using said prism unit Download PDFInfo
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- CN1536329A CN1536329A CNA03110519XA CN03110519A CN1536329A CN 1536329 A CN1536329 A CN 1536329A CN A03110519X A CNA03110519X A CN A03110519XA CN 03110519 A CN03110519 A CN 03110519A CN 1536329 A CN1536329 A CN 1536329A
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Abstract
The invention provides a light-decomposing and -composing prism set, with a ridge prism, a triple prism and a compensatory prism; where, the ridge prism has a first light O/I surface, the triple prism has a second O/I surface, and the compensatory prism has a third O/I surface and a fourth O/I surface. The first wavelength beam reaches it from the second O/I surface and leaves from the first O/I surface. And the second wavelength beam concentric with the first wavelength beam reaches it from the second O/I surface and leaves from the third O/I surface. The third wavelength beam reaches it from the fourth O/I surface and leaves from the first O/I surface; besides, the third wavelength beam is concentric with the first wavelength beam. It can be applied to optical distance finding device, and can display the distance of object even if on dark condition.
Description
Technical field
The application is the application that continues of applicant's No. the 6th, 441,887, United States Patent (USP); This United States Patent (USP) is invented disclosed technology the 6th, 441, No. 887 and is listed reference at this.
The present invention relates to a kind of deciliter light prism group, particularly relate to a kind of distance measuring equipment of this deciliter of application light prism group.
Background technology
Fig. 1 summary shows a kind of known optical distance measurement apparatus, and this optical distance measurement apparatus has been disclosed in the applicant than in No. the 6th, 441,887, the United States Patent (USP) of early getting permission before.Optical distance measurement apparatus 10 in this United States Patent (USP) has an observation/optical transmitting system 11 and a receiving system 12; Wherein, observation/optical transmitting system 11 has a prism group 13, one first objective lens 14, an emitting module 15, a display module 16 and an eyepiece group 17.When user's observed object thing and record the user and object between distance after, the distance that display module 16 shows is informed the user.
Yet in this known optical distance measurement apparatus 10, display module 16 is transmissive liquid crystal panel: after surround lighting is injected this observation/optical transmitting system 11, pass through this display module 16 by visible light beam, and make observer's range of a signal.Yet, when measurement person dark environment measure object apart from the time, have only the small amount of visible light beam to go into this observation/optical transmitting system 11.Therefore, the numeral that transmissive liquid crystal panel shows will seem fuzzy, even can't display digit.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of deciliter light prism group, and this deciliter light prism group can be applicable in the optical distance measurement apparatus.
According to above-mentioned purpose, of the present invention deciliter light prism group comprises a prism, a roof prism and a compensating prism.This deciliter light prism group has four light output/input faces; Wherein, roof prism has one first light output/input face, and prism has one second light output/input face, and compensating prism has one the 3rd light output/input face and one the 4th light output/input face.When one first wavelength light beam from second light export/after input face is injected this deciliter light prism group, this first wavelength light beam from first light export/input face leaves.When one second wavelength light beam from the 3rd light export/after input face is injected deciliter light prism group, this second wavelength light beam from second light export/input face leaves.When a three-wavelength light beam from the 4th light export/after input face is injected deciliter light prism group, this three-wavelength light beam from first light export/input face leaves.
Use the optical distance measurement apparatus of of the present invention deciliter light prism group, also comprise one first object lens, one second object lens, an emitting module, a detecting device, a display module and an eyepiece; Wherein, first object lens, deciliter light prism group, emitting module, display module and eyepiece constitute an observation/optical transmitting system, and second object lens and detecting device constitute a receiving optics.
Use the optical distance measurement apparatus of of the present invention deciliter light prism group, also comprise one first object lens, one second object lens, an emitting module, a detecting device, a display module and an eyepiece; Wherein, first object lens, deciliter light prism group, detecting device, display module and eyepiece constitute an observation/receiving optics, and second object lens and emitting module constitute an optical transmitting system.
Use the optical distance measurement apparatus of of the present invention deciliter light prism group, be to use active luminous display assembly; Therefore, under dark environment, but the also distance between display-object thing and the user.
Description of drawings
Fig. 1 is that the summary demonstration is disclosed in United States Patent (USP) the 6th, 441, the figure of No. 887 optical distance measurement apparatus;
Fig. 2 is the figure that summary shows deciliter light prism group of the embodiment of the invention;
Fig. 3 A to Fig. 3 C is that summary shows the index path of various wavelength light beams in this deciliter light prism group;
Fig. 4 is the figure that summary shows an optical distance measurement apparatus that uses of the present invention deciliter light prism group;
Fig. 5 is the transmitted light spectrogram that summary shows the pellicular front of prism;
Fig. 6 is the figure that summary shows another optical distance measurement apparatus that uses of the present invention deciliter light prism group;
Fig. 7 is the figure that summary shows another optical distance measurement apparatus that uses of the present invention deciliter light prism group;
Fig. 8 is the figure that summary shows another optical distance measurement apparatus that uses of the present invention deciliter light prism group.
The explanation of accompanying drawing assembly conventional letter:
10...... optical distance measurement apparatus r2...... second wavelength light beam
11...... observation/optical transmitting system r3...... three-wavelength light beam
12...... receiving optics 30...... optical distance measurement apparatus
13...... prism group 31...... observation/optical transmitting system
14...... the first objective lens 32...... receiving optics
15...... emitting module 34...... first object lens
16...... display module 35...... display module
17...... eyepiece group 36...... emitting module
20...... deciliter light prism group 37...... eyepiece
21...... roof prism 38...... second object lens
22...... prism 39...... detecting device
23...... compensating prism 361...... laser diode
211...... ridge face 362...... lens combination
212...... reflecting surface 50...... optical distance measurement apparatus
231...... the first light output/input face 51...... observation/receiving optics
221...... fully reflecting surface 52...... optical transmitting system
222...... pellicular front 54...... first object lens
223...... the second light output/input face 55...... display module
231...... the 3rd light output/input face 56...... emitting module
232...... the 4th light output/input face 57...... eyepiece
R1...... the first wavelength light beam 58......, second object lens
59...... detecting device 95...... display module
561...... laser diode 96...... emitting module
562...... lens combination 97...... eyepiece
70...... optical distance measurement apparatus 98...... second object lens
71...... observation/optical transmitting system 99...... detecting device
72...... receiving optics 961...... laser diode
74...... the first object lens 962...... lens combination
75...... display module
76...... emitting module
77...... eyepiece
78...... second object lens
79...... detecting device
761...... laser diode
762...... lens combination
90...... optical distance measurement apparatus
91...... observation/receiving optics
92...... optical transmitting system
94...... first object lens
Embodiment
Above-mentioned and other technology contents, characteristics and advantage of the present invention in the DETAILED DESCRIPTION OF THE PREFERRED below with reference to accompanying drawing, can clearly be understood.Before being elaborated, it is pointed out that in the following description that all similar assemblies are all represented with identical numbering.
Fig. 2 is the figure that summarily shows deciliter light prism group of the embodiment of the invention.As shown in Figure 2, this deciliter light prism group 20 comprises: a roof prism 21, a prism 22 and a compensating prism 23.This roof prism 21 has: a ridge face 211, a reflecting surface 212 and one first light output/input face 213.This prism 22 has a fully reflecting surface 221, a pellicular front 222 and one second light output/input face 223, and this pellicular front 222 can reflect the light beam of one first wavelength.The angle of the pellicular front 222 and the second light output/input face 223 is 108 degree, and the angle of the fully reflecting surface 221 and the second light output/input face 223 is 48 degree, and the angle of fully reflecting surface 221 and pellicular front 222 is 24 degree.In addition, the fully reflecting surface 221 of this prism 22 is adjacent with the reflecting surface 212 of roof prism 21.Compensating prism 23 has one the 3rd light output/input face 231 and one the 4th light output/input face 232, and the pellicular front 222 of these compensating prism 23 contiguous prisms 22 is provided with.The angle of the 3rd light output/input face 231 and the 4th light output/input face 232 is 132 degree, and the angle of the 4th light output/input face 232 and the second light output/input face 223 is 132 degree.
With reference to figure 3A, when one first wavelength light beam r1 from second light export/after input face 223 was injected prism 22, this first wavelength light beam r1 advanced via fully reflecting surface 221 reflections of prism 22 and towards pellicular front 222.This pellicular front 222 is this first wavelength light beam r1 reflection, makes this first wavelength light beam r1 with less than critical angle incident and by this fully reflecting surface 221.Then, the first wavelength light beam r1 injects this roof prism 21 by roof prism 21 reflectings surface 212.In this roof prism 21, this first wavelength light beam r1 is produced three total reflections by the first light output/input face 213, ridge face 211 and reflecting surface 212 in regular turn, and with less than the critical angle incident first light output/input face 213 once more.At last, the first wavelength light beam r1 is by this first light output/input face 213 and leave roof prism 21.In the same manner, according to above-mentioned path, the first wavelength light beam r1 can reversely inject this deciliter light prism group 20 from the first light output/input face 213, and leaves this deciliter light prism group 20 from the second light output/input face 223.
With reference to figure 3B, be incident to the 3rd light output/input face 231 of compensating prism 23 with set angle as one second wavelength light beam r2 after, the second wavelength light beam r2 will inject this prism 22 by the pellicular front 222 of this compensating prism 23 with prism 22.In this prism 22, the second wavelength light beam r2 will be along the path of the above-mentioned first wavelength light beam r1, is reflected by fully reflecting surface 221 and leaves this deciliter light prism group 20 from the second light output/input face 223.Equally, the second wavelength light beam r2 also can inject this prism 22 from the second light output/input face 223 inversely, and the 3rd light output/input face 231 of self compensation prism 23 leaves.
With reference to figure 3C, be incident to the 4th light output/input face 232 of compensating prism 23 with set angle as a three-wavelength light beam r3 after, three-wavelength light beam r3 will inject roof prism 21 by pellicular front 222, the fully reflecting surface 221 of this compensating prism 23 with prism 22.In this roof prism 21, three-wavelength light beam r3 will be along the path of the above-mentioned first wavelength light beam r1, and leaves this deciliter light prism group 20 from the first light output/input face 213.In the same manner, three-wavelength light beam r3 also can inject this roof prism 21 from the first light output/input face 213 inversely, and the 4th light output/input face 232 of self compensation prism 23 leaves.
Embodiment one
Fig. 4 is the figure that summary shows an optical distance measurement apparatus that uses of the present invention deciliter light prism group.As shown in Figure 4, this optical distance measurement apparatus 30 comprises a receiving optics 32 and an observation/optical transmitting system 31.Observation/optical transmitting system 31 has: one first object lens 34, above-mentioned deciliter light prism group 20, a display module 35, an emission group 36 and an eyepiece 37.Receiving optics 32 has one second object lens 38 and a detecting device 39.
Object produces the image strip of visible wavelength range and injects this optical distance measurement apparatus 30 from first object lens 34; Then, the image strip of visible wavelength range from second light export/input face 223 injects a deciliter light prism group 20.In this deciliter light prism group 20, image strip is advanced along the path of the above-mentioned first wavelength light beam r1, and leaves from the first light output/input face 213.Afterwards, image strip makes the observer can clearly watch the object (not shown) by eyepiece 37.
Emitting module 36 has a laser diode 361 and a lens combination 362, and launches an infrared wavelength light beam.The 3rd light output/input face 231 of this infrared wavelength light beam self compensation prism 23 is injected a deciliter light prism group 20; Then, this infrared wavelength light beam is advanced along the path of the above-mentioned second wavelength light beam r2, and leaves from the second light output/input face 223.Afterwards, the infrared wavelength light beam is by first object lens 34, and the head for target thing is advanced.Object is with this infrared wavelength reflection; Wherein, the part infrared wavelength light beam of reflection is injected receiving optics 32 by second object lens 38.At last, detecting device 39 receives the infrared wavelength light beam.Therefore, optical distance measurement apparatus 30 calculates the distance between optical distance measurement apparatus and the object according to the flight time between round object of infrared wavelength light beam and the distance measuring equipment.
Display module 35, for example LCD assembly, LED numeral display module is launched set narrow wavelength light beam, and showing measure distance.The 4th light output/input face 232 of the light beam self compensation prism 23 of the specific wavelength of display module 35 emissions is injected a deciliter light prism group 20.Fig. 5 is the transmitted light spectrogram that summary shows the pellicular front of prism.With reference to figure 4 and Fig. 5, when display module 35 was launched the narrow wavelength light beam of 550nm, this narrow wavelength light beam was advanced along the path of above-mentioned three-wavelength light beam r3, and leaves from the first light output/input face 213.Afterwards, narrow wavelength light beam makes the observer can clearly watch the numeral of display module demonstration by eyepiece 37.
Embodiment two
Fig. 6 is the figure that summary shows another optical distance measurement apparatus that uses of the present invention deciliter light prism group.As shown in Figure 6, this optical distance measurement apparatus 50 comprises an optical transmitting system 52 and an observation/receiving optics 51.Observation/receiving optics 51 has: one first object lens 54, above-mentioned deciliter light prism group 20, a display module 55, a detecting device 59 and an eyepiece 57.Optical transmitting system 52 has one second object lens 58 and an emitting module 56.
Object produces the image strip of visible wavelength range and injects this optical distance measurement apparatus 50 from first object lens 54; Then, the image strip of visible wavelength range from second light export/input face 223 injects a deciliter light prism group 20.In this deciliter light prism group 20, image strip is advanced along the path of the above-mentioned first wavelength light beam r1, and leaves from the first light output/input face 213.Afterwards, image strip makes the observer can clearly watch object by eyepiece 57.
Emitting module 56 has a laser diode 561 and a lens combination 562, and launches an infrared wavelength light beam.This infrared wavelength light beam is by second object lens 58, and the head for target thing is advanced.Object is with this infrared wavelength reflection; Wherein, the part infrared wavelength light beam of reflection is injected observation/receiving optics 51 by behind first object lens 54.In observation/receiving optics 51, the infrared wavelength light beam is injected this deciliter light prism group 20 from the second light output/input face 223 of prism 22; Then, this infrared wavelength light beam is advanced along the path of the above-mentioned second wavelength light beam r2, and the 3rd light output/input face 231 of self compensation prism 23 leaves.At last, detecting device 59 receives the infrared wavelength light beam.Therefore, optical distance measurement apparatus 50 calculates the distance between optical distance measurement apparatus and the object according to the flight time between round object of infrared wavelength light beam and the distance measuring equipment.
Embodiment three
Fig. 7 is the figure that summary shows another optical distance measurement apparatus that uses of the present invention deciliter light prism group.As shown in Figure 7, this optical distance measurement apparatus 70 comprises a receiving optics 72 and an observation/optical transmitting system 71.Observation/optical transmitting system 71 has: one first object lens 74, above-mentioned deciliter light prism group 20, a display module 75, an emitting module 76 and an eyepiece 77.Receiving optics 72 has one second object lens 78 and a detecting device 79.
Object produces the image strip of visible wavelength range and injects this optical distance measurement apparatus 70 from first object lens 74; Then, the image strip of visible wavelength range from first light export/input face 213 injects a deciliter light prism group 20.In this deciliter light prism group 20, image strip is advanced along the path of the above-mentioned first wavelength light beam r1, and leaves from the second light output/input face 223.Afterwards, image strip makes the observer can clearly watch object by eyepiece 77.
Emitting module 76 has a laser diode 761 and a lens combination 762, and launches an infrared wavelength light beam.The 4th light output/input face 232 of this infrared wavelength light beam self compensation prism 23 is injected a deciliter light prism group 20; Then, this infrared wavelength light beam is advanced along the path of above-mentioned three-wavelength light beam r3, and leaves from the first light output/input face 213.Afterwards, the infrared wavelength light beam is by first object lens 74, and the head for target thing is advanced.Object is with this infrared wavelength reflection; Wherein, the part infrared wavelength light beam of reflection is injected receiving optics 72 by second object lens 78.At last, detecting device 79 receives the infrared wavelength light beam.Therefore, optical distance measurement apparatus 70 calculates the distance between optical distance measurement apparatus and the object according to the flight time between round object of infrared wavelength light beam and the distance measuring equipment.
Embodiment four
Fig. 8 is that summary shows another optical distance measurement apparatus that uses of the present invention deciliter light prism group.As shown in Figure 8, this optical distance measurement apparatus 90 comprises an optical transmitting system 92 and an observation/receiving optics 91.Observation/receiving optics 91 has: one first object lens 94, above-mentioned deciliter light prism group 20, a display module 95, a detecting device 99 and an eyepiece 97.Optical transmitting system 92 has one second object lens 98 and an emitting module 96.
Object produces the image strip of visible wavelength range and injects this optical distance measurement apparatus 90 from first object lens 94; Then, the image strip of visible wavelength range from first light export/input face 213 injects a deciliter light prism group 20.In this deciliter light prism group 20, image strip is advanced along the path of the above-mentioned first wavelength light beam r1, and leaves from the second light output/input face 223.Afterwards, image strip makes the observer can clearly watch object by eyepiece 97.
Emitting module 96 has a laser diode 961 and a lens combination 962, and launches an infrared wavelength light beam.This infrared wavelength light beam is by second object lens 98, and the head for target thing is advanced.Object is with this infrared wavelength reflection; Wherein, the part infrared wavelength light beam of reflection is injected observation/receiving optics 91 by first object lens 94.In observation/receiving optics 91, the infrared wavelength light beam is injected this deciliter light prism group 20 from the first light output/input face 213 of roof prism 21; Then, this infrared wavelength light beam is advanced along the path of above-mentioned three-wavelength light beam r3, and the 4th light output/input face 232 of self compensation prism 23 leaves.At last, detecting device 99 receives the infrared wavelength light beam.Therefore, optical distance measurement apparatus 90 is according to the flight time between round object of infrared wavelength light beam and the distance measuring equipment, the distance between calculating optical distance measuring equipment and the object.
Conclude above-mentionedly, the light beam that of the present invention deciliter light prism group can make different directions advance constitutes same optical axis and advances.
In the present invention, active luminous display module also can adopt organic light emitting diode display (Organic Light-Emitting Diode).
Use the optical distance measurement apparatus of of the present invention deciliter light prism group, make emitting module and observer share same object lens; And make display module and object share same eyepiece simultaneously.
Because the present invention uses active luminous display module, so even in the environment of darkness, measure the distance of object, the also distance of display-object thing clearly.
Yet.Above-described embodiment, only be the preferred embodiments of the present invention, should not limit scope of the invention process with this, promptly all simple equivalent of being done according to claim of the present invention and description of the invention content change and modify, and all should still belong in the scope that patent of the present invention contains.
Claims (20)
1. one kind of deciliter light prism group comprises:
One roof prism, this roof prism has one first light output/input face, a ridge face and a reflecting surface, when one first wavelength light beam from first light export/after input face is injected this roof prism, this first wavelength light beam is in regular turn by this reflecting surface, this ridge face and this first light output/input face total reflection, and this reflecting surface leaves certainly;
One prism, this prism has one second light output/input face, a pellicular front and a fully reflecting surface, wherein, first wavelength light beam from this roof prism is injected this prism from this fully reflecting surface, and in regular turn by after this pellicular front and the reflection of this fully reflecting surface, this second light output/input face leaves certainly; With
One compensating prism, the pellicular front setting of the contiguous prism of this compensating prism, and have one the 3rd light output/input face and one the 4th light output/input face;
When one second wavelength light beam from the 3rd light export/after input face is injected this compensating prism, this second wavelength light beam is injected this prism by this pellicular front, then by after this fully reflecting surface reflection, second light output/input face emission from this prism, at last, the light shaft coaxle of the optical axis of this second wavelength light beam and above-mentioned first wavelength light beam; And
When a three-wavelength light beam from the 4th light export/after input face is injected this compensating prism, this three-wavelength light beam is injected this prism by this pellicular front, then this three-wavelength light beam is injected this roof prism by this reflecting surface, in this roof prism, this three-wavelength light beam is in regular turn by this first light output/input face, this ridge face and this reflecting surface total reflection, first light output/input face emission from this roof prism, at last, the light shaft coaxle of the optical axis of this three-wavelength light beam and above-mentioned first wavelength light beam.
2. as claimed in claim 1 deciliter light prism group is characterized in that: this pellicular front can make this first wavelength light beam reflection, and this second wavelength light beam and this three-wavelength light beam are passed through.
3. as claimed in claim 1 deciliter light prism group, it is characterized in that: the angle of this second light output/input face and this fully reflecting surface is 48 degree, the angle of this second light output/input face and this pellicular front is 108 degree, the angle of this pellicular front and this fully reflecting surface is 24 degree, the angle of the 3rd light output/input face and the 4th light output/input face is 132 degree, the angle of the 4th light output/input face and this second light output/input face is 132 degree, and the angle of the 3rd light output/input face and this pellicular front is 24 degree.
4. as claimed in claim 1 deciliter light prism group, it is characterized in that: with this second light output/input face of one second this prism of wavelength light beam incident of the light shaft coaxle of above-mentioned first wavelength light beam, reflexed to this compensating prism by this fully reflecting surface, and the 3rd light output/input face emission of this compensating prism certainly; And with this first light output/input face of a three-wavelength light beam incident of the light shaft coaxle of above-mentioned first wavelength light beam, in regular turn by after this reflecting surface, this ridge face and this first light output/input face total reflection, inject this compensating prism by this prism, at last, this three-wavelength light beam is exported/the input face emission from the 4th light.
5. one kind of deciliter light prism group comprises:
One prism, this prism has one second light output/input face, a pellicular front and a fully reflecting surface, when one first wavelength light beam after this second light output/input face is injected this prism, this first wavelength light beam is in regular turn by this fully reflecting surface and the reflection of this pellicular front, and this fully reflecting surface leaves certainly;
One roof prism, this roof prism has one first light output/input face, a ridge face and a reflecting surface, wherein, first wavelength light beam from this prism is injected this roof prism from this reflecting surface, and in regular turn by after this first light output/input face, this ridge face and this reflecting surface total reflection, this first light output/input face leaves certainly; With
One compensating prism, the pellicular front setting of the contiguous prism of this compensating prism, and have one the 3rd light output/input face and one the 4th light output/input face;
When one second wavelength light beam from the 3rd light export/after input face is injected this compensating prism, this second wavelength light beam is injected this prism by this pellicular front, then by after this fully reflecting surface reflection, second light output/input face emission from this prism, at last, the light shaft coaxle of the optical axis of this second wavelength light beam and above-mentioned first wavelength light beam; And
When a three-wavelength light beam from the 4th light export/after input face is injected this compensating prism, this three-wavelength light beam is injected this prism by this pellicular front, then this three-wavelength light beam is injected this roof prism by this reflecting surface, in this roof prism, this three-wavelength light beam is in regular turn by this first light output/input face, this ridge face and this reflecting surface total reflection, first light output/input face emission from this roof prism, at last, the light shaft coaxle of the optical axis of this three-wavelength light beam and above-mentioned first wavelength light beam.
6. as claimed in claim 5 deciliter light prism group is characterized in that: this pellicular front can make this first wavelength light beam reflection, and this second wavelength light beam and this three-wavelength light beam are passed through.
7. as claimed in claim 5 deciliter light prism group, it is characterized in that: the angle of this second light output/input face and this fully reflecting surface is 48 degree, the angle of this second light output/input face and this pellicular front is 108 degree, the angle of this pellicular front and this fully reflecting surface is 24 degree, the angle of the 3rd light output/input face and the 4th light output/input face is 132 degree, the angle of the 4th light output/input face and this second light output/input face is 132 degree, and the angle of the 3rd light output/input face and this pellicular front is 24 degree.
8. as claimed in claim 5 deciliter light prism group, it is characterized in that: with this second light output/input face of one second this prism of wavelength light beam incident of the light shaft coaxle of above-mentioned first wavelength light beam, reflexed to this compensating prism by this fully reflecting surface, and the 3rd light output/input face emission of this compensating prism certainly; And with this first light output/input face of a three-wavelength light beam incident of the light shaft coaxle of above-mentioned first wavelength light beam, in regular turn by after this reflecting surface, this ridge face and this first light output/input face total reflection, inject this compensating prism by this prism, at last, this three-wavelength light beam is exported/the input face emission from the 4th light.
9. distance measuring equipment that is used to measure the distance between a user and the object comprises:
One observation/optical transmitting system, this observation/optical transmitting system comprises:
One is used to receive first object lens from the image strip of this object;
As claimed in claim 1 deciliter light prism group, wherein, this first light output/input face of this image strip incident, and along the path of above-mentioned first wavelength light beam from this second light output/input face emission;
One eyepiece, this eyepiece receives this image strip, and make this user observe this object;
One emitting module, this emitting module is launched an invisible light beam towards the 4th light output/input face of this deciliter light prism group, wherein, this invisible light beam is advanced towards these first object lens from this first light output/input face emission along the path of above-mentioned three-wavelength light beam, then this invisible light beam is advanced towards this object from this first object lens emission; With
One display module, this display module is launched a narrow wave band light beam and a range of a signal towards the 3rd light output/input face of this deciliter light prism group, wherein, this narrow wave band light beam is advanced towards this eyepiece from this second light output/input face emission along the path of above-mentioned second wavelength light beam, makes this user see the distance that this display module shows;
And
One receiving optics, this receiving optics comprises:
One receives second object lens of this invisible light beam of this object reflection; With
One receives the detecting device by this invisible light beam of these second object lens.
10. distance measuring equipment as claimed in claim 9 is characterized in that: above-mentioned emitting module is a laser diode.
11. distance measuring equipment as claimed in claim 9 is characterized in that: above-mentioned display module is an active luminous LCD assembly, LED numeral display module or an organic light emitting diode display.
12. one kind in order to measure the distance measuring equipment of the distance between a user and the object, comprising:
One receiving optics, this receiving optics comprises:
The emitting module of one emission, one invisible light beam; With
One second object lens that above-mentioned invisible light beam guiding definite object thing is advanced;
And
One observation/receiving optics, this observation/receiving optics comprises:
One receives from the image strip of this object and first object lens of this invisible light beam of this object reflection;
As claimed in claim 1 deciliter light prism group, wherein, this first light output/input face of this image strip incident, and along the path of above-mentioned first wavelength light beam from this second light output/input face emission, and behind this first light output/input face of this invisible light beam incident, export/the input face emission from the 4th light along the path of above-mentioned three-wavelength light beam;
One receive this image strip and make this user observe the eyepiece of this object;
One is received from the detecting device of this invisible light beam of the 4th light output/input face emission; With
One display module, this display module is launched a narrow wave band light beam and a range of a signal towards the 3rd light output/input face of this deciliter light prism group, wherein, this narrow wave band light beam is advanced towards this eyepiece from this second light output/input face emission along the path of above-mentioned second wavelength light beam, makes this user see the distance that this display module shows.
13. distance measuring equipment as claimed in claim 12 is characterized in that: above-mentioned emitting module is a laser diode.
14. distance measuring equipment as claimed in claim 12 is characterized in that: above-mentioned display module is an active luminous LCD assembly, LED numeral display module or an organic light emitting diode display.
15. a distance measuring equipment that is used to measure the distance between a user and the object comprises:
One observation/optical transmitting system, this observation/optical transmitting system comprises:
One receives first object lens from the image strip of this object;
As claimed in claim 5 deciliter light prism group, wherein, this second light output/input face of this image strip incident, and along the path of above-mentioned first wavelength light beam from this first light output/input face emission;
One receive this image strip and make this user observe the eyepiece of this object;
One launches the emitting module of an invisible light beam towards the 3rd light output/input face of this deciliter light prism group, wherein, this invisible light beam is advanced towards these first object lens from this second light output/input face emission along the path of above-mentioned second wavelength light beam, then this invisible light beam is advanced towards this object from this first object lens emission; With
One launches the display module of a narrow wave band light beam and range of a signal towards the 4th light output/input face of this deciliter light prism group, wherein, this narrow wave band light beam is advanced towards this eyepiece from this first light output/input face emission along the path of above-mentioned three-wavelength light beam, makes this user see the distance that this display module shows;
And
One receiving optics, this comprises this receiving optics:
One receives second object lens of this invisible light beam of this object reflection; With
One receives the detecting device by this invisible light beam of these second object lens.
16. distance measuring equipment as claimed in claim 15 is characterized in that: above-mentioned emitting module is a laser diode.
17. distance measuring equipment as claimed in claim 15 is characterized in that: above-mentioned display module is an active luminous LCD assembly, LED numeral display module or an organic light emitting diode display.
18. a distance measuring equipment that is used to measure the distance between a user and the object comprises:
One receiving optics, this receiving optics comprises:
The emitting module of one emission, one invisible light beam; With
One second object lens that above-mentioned invisible light beam guiding definite object thing is advanced;
And
One observation/receiving optics, this observation/receiving optics comprises:
One receives from the image strip of this object and first object lens of this invisible light beam of this object reflection;
As claimed in claim 5 deciliter light prism group, wherein, this second light output/input face of this image strip incident, and along the path of above-mentioned first wavelength light beam from this first light output/input face emission, and behind this second light output/input face of this invisible light beam incident, export/the input face emission from the 3rd light along the path of above-mentioned second wavelength light beam;
One receives this image strip and makes this user observe the eyepiece of this object;
One is received from the detecting device of this invisible light beam of the 3rd light output/input face emission; With
One launches the display module of a narrow wave band light beam and range of a signal towards the 4th light output/input face of this deciliter light prism group, wherein, this narrow wave band light beam is advanced towards this eyepiece from this first light output/input face emission along the path of above-mentioned three-wavelength light beam, makes this user see the distance that this display module shows.
19. distance measuring equipment as claimed in claim 18 is characterized in that: above-mentioned emitting module is a laser diode.
20. distance measuring equipment as claimed in claim 18 is characterized in that: above-mentioned display module is an active luminous LCD assembly, LED numeral display module or an organic light emitting diode display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03110519XA CN100403090C (en) | 2003-04-07 | 2003-04-07 | Beam splitting and combining prism unit and distance measuring device by using said prism unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03110519XA CN100403090C (en) | 2003-04-07 | 2003-04-07 | Beam splitting and combining prism unit and distance measuring device by using said prism unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1536329A true CN1536329A (en) | 2004-10-13 |
| CN100403090C CN100403090C (en) | 2008-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03110519XA Expired - Lifetime CN100403090C (en) | 2003-04-07 | 2003-04-07 | Beam splitting and combining prism unit and distance measuring device by using said prism unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100403090C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297742B (en) * | 2014-06-24 | 2016-10-05 | 金华市蓝海光电技术有限公司 | Laser ranging divided beam system |
| CN106291903A (en) * | 2016-10-19 | 2017-01-04 | 上海龙达胜宝利光电有限公司 | A kind of laser rangefinder telescope |
| CN106444003A (en) * | 2016-08-29 | 2017-02-22 | 甘晟华 | Telescope range finder |
| CN111781791A (en) * | 2019-04-04 | 2020-10-16 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI595252B (en) | 2016-05-10 | 2017-08-11 | 財團法人工業技術研究院 | Distance measurement device and distance measuring method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3558207A (en) * | 1966-12-06 | 1971-01-26 | Searle Medidata Inc | Hologram system employing incoherent light |
| TW384384B (en) * | 1999-07-16 | 2000-03-11 | Asia Optical Co Inc | Optical distance measuring apparatus and its method |
| US6945657B2 (en) * | 2000-10-19 | 2005-09-20 | Pentax Corporation | Surveying instrument |
| CN2478073Y (en) * | 2001-04-17 | 2002-02-20 | 亚洲光学股份有限公司 | Optical distometer |
-
2003
- 2003-04-07 CN CNB03110519XA patent/CN100403090C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297742B (en) * | 2014-06-24 | 2016-10-05 | 金华市蓝海光电技术有限公司 | Laser ranging divided beam system |
| CN106444003A (en) * | 2016-08-29 | 2017-02-22 | 甘晟华 | Telescope range finder |
| CN106291903A (en) * | 2016-10-19 | 2017-01-04 | 上海龙达胜宝利光电有限公司 | A kind of laser rangefinder telescope |
| CN111781791A (en) * | 2019-04-04 | 2020-10-16 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100403090C (en) | 2008-07-16 |
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