CN202614269U - Portable outfield equipment for optical axis calibration of multiple sensors - Google Patents
Portable outfield equipment for optical axis calibration of multiple sensors Download PDFInfo
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- CN202614269U CN202614269U CN201220081810.0U CN201220081810U CN202614269U CN 202614269 U CN202614269 U CN 202614269U CN 201220081810 U CN201220081810 U CN 201220081810U CN 202614269 U CN202614269 U CN 202614269U
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Abstract
The utility model discloses a piece of portable outfield equipment for optical axis calibration of multiple sensors, which comprises an adjusting optical axis mechanism, an optical aligning assembly and a rotary target wheel assembly. The adjusting optical axis mechanism is located in sensors of different wave bands. The optical aligning assembly comprises a front window and a rear window. Light input from any window of the optical aligning assembly is reflected twice before being output from the other window. The sensors of different wave bands are all located outside the front window of the optical aligning assembly and receive or emit parallel light rays through the optical aligning assembly. The optical aligning assembly is docked with the rotary target wheel assembly at the rear window side through connecting parts. Light is input towards the rear window of the optical aligning assembly by selecting different target positions on the rotary target wheel assembly through rotation. The portable outfield equipment provided in the utility model can work within a wide spectrum range and satisfy demands of performing optical axis calibration on sensors of different wave bands in an outfield condition.
Description
Technical field
The utility model relates to the electro-optical system technical field, relates in particular to a kind of portable airfield equipment that is used for the multisensor optical axis calibrator.
Background technology
Along with the development of photoelectric technology, the sensor that collection is operated in different-waveband is that the system of one changes in modern times and obtained on the photoelectric platform using widely.The integrated application of a plurality of sensors of different-waveband has improved photodetection, the recognition capability of photoelectric platform greatly, becomes one of technology of giving priority to various countries.
Light axis consistency is the pacing items that guarantees the normal operation of multi-sensor photoelectric system.The wavelength band that existing multisensor optical axis calibrator equipment covers is limited, can't satisfy work at present at the multisensor syste optical axis calibrator of broadband scope (for example 400nm～14 μ m) and the needs of test; In addition, existing optical axis testing apparatus bulky, the environment applicability is relatively poor, only is adapted at indoor use, can't satisfy the multi-sensor photoelectric system carries out the optical axis debugging at external field environment needs.
The utility model content
The technical matters that the utility model will solve is, a kind of portable airfield equipment that is used for the multisensor optical axis calibrator is provided, and satisfies in external field environment the needs that the sensor of different-waveband carried out optical axis debugging calibration.
The technical scheme that the utility model adopts is that the said portable airfield equipment that is used for the multisensor optical axis calibrator comprises: regulate optical axis mechanism, optical alignment assembly and rotary target wheel assembly, wherein, regulate optical axis mechanism and be positioned on the different-waveband sensor;
The optical alignment assembly has front window and rear window, from the light of the arbitrary window of optical alignment assembly input through two secondary reflections after from another window output;
The sensor of different-waveband all is positioned at outside the front window of optical alignment assembly, receives or send directional light through the optical alignment assembly; The optical alignment assembly docks through link with the rotary target wheel assembly at reveal thereafter, selects the different target position on the rotary target wheel assembly through rotation, to the rear window input light of optical alignment assembly.
Further, the sensor of said different-waveband comprises: the sensor of laser wavelength, visible light wave range and infrared band.
Further; Said optical alignment assembly comprises: front window, secondary mirror, diaphragm for eliminating stray light, rear window, principal reflection mirror and the Connection Block of body tube and the inner coaxial cable that is arranged in order thereof; Wherein, secondary mirror and principal reflection mirror are placed with reflecting surface relatively, and diameter proportion is 1: 4～1: 3;
The central axis of a side vertically is equipped with secondary mirror in the body tube, and opposite side vertically is equipped with the principal reflection mirror that is complementary with the body tube diameter in the body tube;
In body tube, non-reflecting surface one side of secondary mirror is provided with the front window that is complementary with the body tube diameter, and the body tube central axis of reflecting surface one side of principal reflection mirror is provided with rear window, the principal reflection mirror center have one with the light hole of rear window diameter coupling; Front window, rear window and principal reflection mirror limit out the confined space in the body tube;
Connection Block is positioned at non-reflecting surface one side of principal reflection mirror and is fixed on the body tube, and the said Connection Block outside is provided with a logical light protuberance.The link that is used for being connected with the rotary target wheel assembly on the said optical alignment assembly is said logical light protuberance, and being used for stating the link that the optical alignment assembly is connected on the said rotary target wheel assembly is said logical light recess.
What further, the base material of said principal reflection mirror and secondary mirror and body tube material all adopted is the identical aluminium alloy of thermal expansivity.
Further, the reflecting surface of said principal reflection mirror and secondary mirror is that plating increases anti-film and processes on base material, and said to increase anti-film be the golden film that in 400nm～14 mu m ranges, has 98% above reflectivity;
What the material of said front window and rear window all adopted is the zinc sulphide that in 400nm～14 mu m ranges, has 90% above transmissivity.
Further, the reflecting surface of said secondary mirror and principal reflection mirror is arc, and non-reflecting surface one side of principal reflection mirror is provided with some loss of weight grooves.
Further, said optical alignment assembly also comprises: be used for the light from said rear window incident is limited in the elimination veiling glare diaphragm in the reflecting surface scope of secondary mirror.
Further, said rotary target wheel assembly comprises: with the circular fixation kit and the rotary components of rotating shaft, wherein,
Avoid circle centre position on the fixation kit and be provided with one and supply the logical light protuberance of said Connection Block to be inserted in fixing logical light recess, rotary components comprises the multiple target position that comprises target assembly and target plate on target wheel and the target wheel;
Rotary components rotates with respect to fixation kit, and fixation kit positions the different target position of selecting through the rotary target wheel through a resilient mechanism with rotary components, and the target position behind the location is positioned at the along of optical alignment assembly.
Further, said target assembly comprises asterism hole target and light source, and when the target position of selecting was the target assembly, the light that light source sends passed the rear window that asterism hole target incides the optical alignment assembly.
Further, said equipment also comprises holding components, and said holding components is included as the power supply of the said light source power supply in the rotary target wheel assembly and the tripod of support of optical collimator assembly.
Adopt technique scheme, the said portable airfield equipment that is used for the multisensor optical axis calibrator of the utility model has advantage at least:
1. can overcome existing optical axis calibrator equipment and cover the limited shortcoming of wavelength band in wide spectral range work.
2. the optical alignment assembly has shortened the axial distance of optical axis calibrator equipment through two secondary reflections of light path.The optical alignment assembly is carried out lightweight handle, overcome that existing optical axis calibrator equipment volume is big, Heavy Weight, carried the shortcoming of inconvenience.
3. the optical alignment assembly that contains parts such as principal reflection mirror, secondary mirror, body tube has been carried out no thermalization design; Guaranteed that the said equipment of the utility model has the operating temperature range of broad, overcome the shortcoming that existing optical axis calibrator equipment can not be worked under the big external field environment of range of temperature.
4. front window, the rear window in the optical alignment assembly seals, and can prevent dust, prevent dust storm, satisfies the request for utilization of outfield optical axis calibrator.
Description of drawings
Fig. 1 is the said schematic appearance that is used for the portable airfield equipment of multisensor optical axis calibrator of the utility model;
Fig. 2 is the optical alignment modular construction synoptic diagram of the utility model;
Fig. 3 is the preferred optical alignment modular construction of a utility model synoptic diagram;
Fig. 4 is the rotary target wheel assembly structural representation of the utility model;
Fig. 5 is that benchmark utilizes the said equipment of the utility model to carry out the schematic diagram of visible light camera and thermal infrared imager optical axis calibrator for the optical axis with thermal infrared imager;
Fig. 6 is that benchmark utilizes the said equipment of the utility model to carry out the schematic diagram of laser instrument and thermal infrared imager optical axis calibrator for the optical axis with thermal infrared imager;
Fig. 7 is that benchmark utilizes the said equipment of the utility model to carry out the schematic diagram of thermal infrared imager and visible light camera light axis calibration for the optical axis with the visible light camera;
Fig. 8 is that benchmark utilizes the said equipment of the utility model to carry out the schematic diagram of laser instrument and visible light camera light axis calibration for the optical axis with the visible light camera.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to the utility model be elaborated as after.
As shown in Figure 1; The said portable airfield equipment that is used for the multisensor optical axis calibrator of the utility model; Comprise: optical alignment assembly 1, rotary target wheel assembly 2 and adjusting optical axis mechanism 3, wherein, regulate optical axis mechanism 3 shown in Fig. 5-8; Regulate optical axis mechanism 3 and be positioned on the different-waveband sensor, be used to regulate the receive direction or the light direction of sensor.The sensor of different-waveband comprises: the sensor of laser wavelength, visible light wave range and infrared band.
As shown in Figure 2, optical alignment assembly 1 has front window 13 and rear window 14, from the light of arbitrary window input of optical alignment assembly 1 through two secondary reflections after from another window output, dotted line is the light path trend in the optical alignment assembly 1 among Fig. 2.
The sensor of different-waveband all is positioned at outside the front window 13 of optical alignment assembly, receives or send directional light through the optical alignment assembly; Optical alignment assembly 1 docks through link at its rear window 14 sides and rotary target wheel assembly 2, selects the different target position on the rotary target wheel assembly 2 through rotation, to the rear window 14 input light of optical alignment assembly 1.
Specifically; As shown in Figure 2; Optical alignment assembly 1 comprises: front window 13, secondary mirror 12, rear window 14, principal reflection mirror 11 and the Connection Block 17 of body tube 16 and the inner coaxial cable that is arranged in order thereof; Wherein, secondary mirror 12 and principal reflection mirror 11 are placed with reflecting surface relatively, and diameter proportion is 1: 4～1: 3.
In body tube 16; Non-reflecting surface one side of secondary mirror 12 is provided with the front window 13 that is complementary with body tube 16 diameters; Body tube 16 central shafts 102 places of reflecting surface one side of principal reflection mirror 11 are provided with rear window 14, principal reflection mirror 11 centers have one with the light hole 20 of rear window 14 diameters couplings.Front window 13, principal reflection mirror 11 and secondary mirror 12 are utilized bonding agent and 16 coaxial connections of body tube, can also fix with trim ring or screw, and this bonding agent can be selected H705-1 silicon rubber for use.Front window 13, rear window 14 and principal reflection mirror 11 limit out the confined space in the body tube 16, can prevent dust, prevent dust storm, satisfy the request for utilization of outfield optical axis calibrator.
Through principal reflection mirror 11 and secondary mirror 12 twice reflects to form the main optical path of the optical alignment assembly 1 of long-focus, all band, heavy caliber, axially compact.The base material of principal reflection mirror 11, secondary mirror 12 can aluminium alloy 6061-T6; Adopting the optical surface of the method formation arc of diamond cutting is reflecting surface; At the golden film of optical surface plating resisting laser damage, this gold film has the reflectivity more than 98% at 400nm～14 mu m ranges, and is optional; Outside golden film, plate layer of silicon dioxide SiO2 film again, golden film is shielded.Front window 13 is the plane window with rear window 14, the zinc sulphide ZnS of its material in 400nm～14 mu m ranges, having 90% above transmitance.
Preferably, the optical surface of principal reflection mirror 11, secondary mirror 12 is a quadric surface.Further, the optical surface of principal reflection mirror 11 is parabolic, and the optical surface of secondary mirror 12 is a hyperboloid.
The non-reflecting surface of principal reflection mirror 11 is provided with some loss of weight grooves 101, optical alignment assembly 1 is carried out lightweight handle, and has overcome that existing optical axis calibrator equipment volume is big, Heavy Weight, has carried the shortcoming of inconvenience.
Optional, optical alignment assembly 1 also comprises: lens cap 18 is used to cover in the body tube front window outside, further the said equipment of protection the utility model under external field environment.
Preferably, as shown in Figure 3, also comprise in the optical alignment assembly 1: the side scribbles the elimination veiling glare diaphragm 15 of Berlin black, is used to eliminate the veiling glare that introduce invalid visual field, will be limited in the reflecting surface scope of secondary mirror 12 from the light strictness of rear window 14 incidents.At this moment, rear window 14 can utilize bonding agent to be connected with diaphragm for eliminating stray light 15, and compresses with trim ring 19, and diaphragm for eliminating stray light 15 is connected with principal reflection mirror 11.This bonding agent can be selected H705-1 silicon rubber for use.
As shown in Figure 4; Rotary target wheel assembly 2 comprises: with the circular fixation kit and the rotary components of rotating shaft; Wherein, avoid circle centre position on the fixation kit and be provided with the logical light recess 104 that a logical light protuberance 103 that supplies Connection Block 17 is inserted in, optional; After will leading to light protuberance 103 and being inserted in logical light recess 104, further be locked with lock-screw 26.Like this, rotary target wheel assembly 2 is just through Connection Block 17 and body tube 16 firm having linked together.
Rotary components has identical rotating shaft 22 with respect to fixation kit, and rotary components rotates with respect to fixation kit, and rotary components comprises five target position that comprise target assembly and target plate 24 on target wheel 21 and the target wheel 21.Fixation kit positions through 25 pairs of different target position of selecting through rotary target wheel 21 of a resilient mechanism with rotary components, and the target position behind the location is positioned at the along of optical alignment assembly.
The target assembly comprises asterism hole target 23 and light source 27, and when the target position of selecting was the target assembly, the light that light source 27 sends passed the rear window 14 that the asterism hole target 23 that is in optical alignment assembly 1 along incides optical alignment assembly 1.Light source 27 can adopt Halogen lamp LED, is connected with rotary target wheel assembly 2 through dismountable pluggable mode.
Fig. 1 hits has two to place 0.1mm asterism hole target 23 and 0.5mm asterism hole target 23 respectively in five target position of wheel on 21, has one to be used for placing target plate 24, and the expanded function that all the other two positions are the said equipment of the utility model is reserved.Be coated with Berlin black around the asterism hole target 23, target plate 24 material selection phenolics, this material have that thermal absorption property is good, the advantage of heat diffusivity difference, and it is resident to be convenient to the laser facula energy.
Optional; The said equipment of the utility model also comprises holding components; This holding components is included as the power supply of light source 27 power supplies in the rotary target wheel assembly 2 and the tripod of support of optical collimator assembly 1, and this tripod can be connected with the bottom interface 100 of optical alignment assembly 1.This power supply can be common batteries or power supply adaptor.
The portable airfield equipment that briefly introduces the said multisensor optical axis calibrator of the utility model below carries out the principle of optical axis calibrator to the different-waveband sensor, is example with the optical axis calibrator to visible light camera 41, thermal infrared imager 42 and laser instrument 51:
Thermal infrared imager 42, visible light camera 41 and laser instrument 51 all are positioned at outside optical alignment assembly 1 front window 13, are arranged side by side in effective clear aperture of optical alignment assembly 1.
First kind of calibrating mode: with the optical axis direction of thermal infrared imager 42 as benchmark; Rotary target 21 is taken turns and is selected asterism hole target 23; Light source 27 is injected rear window 14 through asterism hole target 23 in the along of optical alignment assembly 1; Behind two secondary reflections, incide thermal infrared imager 42, the position of record along incident light in thermal infrared imager 42 visual fields from front window 13 output collimated lights.
As shown in Figure 5; Visible light camera 41 with thermal infrared imager 42 optical axis calibrator principles is: target 23, optical alignment assembly 1 form visible light camera 41 and the thermal infrared imager 42 that collimated light arrival is positioned at optical alignment assembly 1 effective clear aperture to the light that light source 27 sends through the asterism hole; Observe optical axis difference between the two; The optical axis of logical 3 pairs of visible light cameras 41 of light governor motion is calibrated; Promptly regulate the receive direction of visible light camera 41, make the preceding with it position of along incident light in thermal infrared imager 42 visual fields of writing down, the position of along incident light in visible light camera 41 visual fields identical through governor motion 3.
As shown in Figure 6; Laser instrument 51 with thermal infrared imager 42 optical axis calibrator principles is: the laser alignment light beam that laser instrument 51 sends arrives target plate 24 through optical alignment assembly 1; On target plate 24, forming the focus with certain brightness is picture point; The light of the infrared band that picture point is sent is received by thermal infrared imager 42 after optical alignment assembly 1 reflects twice, observes the optical axis difference of laser instrument 51 and thermal infrared imager 42, and the optical axis of logical 3 pairs of laser instruments 51 of light governor motion is calibrated; Promptly regulate the light direction of laser instruments 51 through governor motion 3, make picture point be arranged in before the along incident light of record in the position of thermal infrared imager 42 visual fields.
Second kind of calibrating mode: with the optical axis direction of visible light camera 41 as benchmark; Rotary target 21 is taken turns and is selected asterism hole target 23; Light source 27 is injected rear window 14 through asterism hole target 23 in the along of optical alignment assembly 1; Behind two secondary reflections, incide visible light camera 41, the position of record along incident light in visible light camera 41 visual fields from front window 13 output collimated lights.
As shown in Figure 7; Thermal infrared imager 42 with visible light camera 41 optical axis calibrator principles is: target 23, optical alignment assembly 1 form visible light camera 41 and the thermal infrared imager 42 that collimated light arrival is positioned at optical alignment assembly 1 effective clear aperture to the light that light source 27 sends through the asterism hole; Observe optical axis difference between the two; The optical axis of logical 3 pairs of thermal infrared imagers 42 of light governor motion is calibrated; Promptly regulate the receive direction of thermal infrared imager 42, make the preceding with it position of along incident light in visible light camera 41 visual fields of writing down, the position of along incident light in thermal infrared imager 42 visual fields identical through governor motion 3.
As shown in Figure 8; Laser instrument 51 with visible light camera 41 optical axis calibrator principles is: the laser alignment light beam that laser instrument 51 sends arrives target plate 24 through optical alignment assembly 1; On target plate 24, forming the focus with certain brightness is picture point; The light of the visible light wave range that picture point is sent is received by visible light camera 41 after optical alignment assembly 1 reflects twice, observes the optical axis difference of laser instrument 51 and visible light camera 41, and the optical axis of logical 3 pairs of laser instruments 51 of light governor motion is calibrated; Promptly regulate the light direction of laser instruments 51 through governor motion 3, make picture point be arranged in before the along incident light of record in the position of visible light camera 41 visual fields.
In addition, also have the third calibrating mode, be optical axis direction with laser instrument as benchmark, principle and top dual mode are similar, those skilled in the art should know its operating process, so locate not detail.
The utility model also provides the concrete running parameter of said equipment in above-mentioned application-specific instance following: spectral range 400nm～14 μ m; The focal length of optical alignment assembly 1 is 1m, and clear aperature is 250mm; Weight 11.8kg; Volume 400mm (length) * 350mm (wide) * 350mm (height); Operating temperature range is-20 ℃～+ 40 ℃.
Adopt technique scheme, the said portable airfield equipment that is used for the multisensor optical axis calibrator of the utility model has advantage at least:
1. can overcome existing optical axis calibrator equipment and cover the limited shortcoming of wavelength band in wide spectral range work.
2. the optical alignment assembly has shortened the axial distance of optical axis calibrator equipment through two secondary reflections of light path.The optical alignment assembly is carried out lightweight handle, overcome that existing optical axis calibrator equipment volume is big, Heavy Weight, carried the shortcoming of inconvenience.
3. the optical alignment assembly that contains parts such as principal reflection mirror, secondary mirror, body tube has been carried out no thermalization design; Guaranteed that the said equipment of the utility model has the operating temperature range of broad, overcome the shortcoming that existing optical axis calibrator equipment can not be worked under the big external field environment of range of temperature.
4. front window, the rear window in the optical alignment assembly seals, and can prevent dust, prevent dust storm, satisfies the request for utilization of outfield optical axis calibrator.
Explanation through embodiment; Should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model; Yet appended diagram only provides the usefulness of reference and explanation, is not to be used for the utility model is limited.
Claims (10)
1. a portable airfield equipment that is used for the multisensor optical axis calibrator is characterized in that, comprising: regulate optical axis mechanism, optical alignment assembly and rotary target wheel assembly, wherein, regulate optical axis mechanism and be positioned on the different-waveband sensor;
The optical alignment assembly has front window and rear window, from the light of the arbitrary window of optical alignment assembly input through two secondary reflections after from another window output;
The sensor of different-waveband all is positioned at outside the front window of optical alignment assembly, receives or send directional light through the optical alignment assembly; The optical alignment assembly docks through link with the rotary target wheel assembly at reveal thereafter, selects the different target position on the rotary target wheel assembly through rotation, to the rear window input light of optical alignment assembly.
2. the portable airfield equipment that is used for the multisensor optical axis calibrator according to claim 1 is characterized in that the sensor of said different-waveband comprises: the sensor of laser wavelength, visible light wave range and infrared band.
3. the portable airfield equipment that is used for the multisensor optical axis calibrator according to claim 1; It is characterized in that; Said optical alignment assembly comprises: front window, secondary mirror, diaphragm for eliminating stray light, rear window, principal reflection mirror and the Connection Block of body tube and the inner coaxial cable that is arranged in order thereof; Wherein, secondary mirror and principal reflection mirror are placed with reflecting surface relatively, and diameter proportion is 1: 4～1: 3;
The central axis of a side vertically is equipped with secondary mirror in the body tube, and opposite side vertically is equipped with the principal reflection mirror that is complementary with the body tube diameter in the body tube;
In body tube, non-reflecting surface one side of secondary mirror is provided with the front window that is complementary with the body tube diameter, and the body tube central axis of reflecting surface one side of principal reflection mirror is provided with rear window, the principal reflection mirror center have one with the light hole of rear window diameter coupling; Front window, rear window and principal reflection mirror limit out the confined space in the body tube;
Connection Block is positioned at non-reflecting surface one side of principal reflection mirror and is fixed on the body tube, and the said Connection Block outside is provided with a logical light protuberance.
4. the portable airfield equipment that is used for the multisensor optical axis calibrator according to claim 3 is characterized in that, what the base material of said principal reflection mirror and secondary mirror and body tube material all adopted is the identical aluminium alloy of thermal expansivity.
5. the portable airfield equipment that is used for the multisensor optical axis calibrator according to claim 3; It is characterized in that; The reflecting surface of said principal reflection mirror and secondary mirror is that plating increases anti-film and processes on base material, and said to increase anti-film be the golden film that in 400nm～14 mu m ranges, has 98% above reflectivity;
What the material of said front window and rear window all adopted is the zinc sulphide that in 400nm～14 mu m ranges, has 90% above transmissivity.
6. the portable airfield equipment that is used for the multisensor optical axis calibrator according to claim 3 is characterized in that the reflecting surface of said secondary mirror and principal reflection mirror is arc, and non-reflecting surface one side of principal reflection mirror is provided with some loss of weight grooves.
7. according to each described portable airfield equipment that is used for the multisensor optical axis calibrator among the claim 3-6; It is characterized in that said optical alignment assembly also comprises: be used for the light from said rear window incident is limited in the elimination veiling glare diaphragm in the reflecting surface scope of secondary mirror.
8. according to the described portable airfield equipment that is used for the multisensor optical axis calibrator of claim 3-6, it is characterized in that said rotary target wheel assembly comprises: with the circular fixation kit and the rotary components of rotating shaft, wherein,
Avoid circle centre position on the fixation kit and be provided with one and supply the logical light protuberance of said Connection Block to be inserted in fixing logical light recess, rotary components comprises the multiple target position that comprises target assembly and target plate on target wheel and the target wheel;
Rotary components rotates with respect to fixation kit, and fixation kit positions the different target position of selecting through the rotary target wheel through a resilient mechanism with rotary components, and the target position behind the location is positioned at the along of optical alignment assembly.
9. the portable airfield equipment that is used for the multisensor optical axis calibrator according to claim 8; It is characterized in that; Said target assembly comprises asterism hole target and light source, and when the target position of selecting was the target assembly, the light that light source sends passed the rear window that asterism hole target incides the optical alignment assembly.
10. according to each described portable airfield equipment that is used for the multisensor optical axis calibrator among the claim 1-6,9; It is characterized in that; Said equipment also comprises holding components, and said holding components is included as the power supply of the said light source power supply in the rotary target wheel assembly and the tripod of support of optical collimator assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220081810.0U CN202614269U (en) | 2012-03-07 | 2012-03-07 | Portable outfield equipment for optical axis calibration of multiple sensors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220081810.0U CN202614269U (en) | 2012-03-07 | 2012-03-07 | Portable outfield equipment for optical axis calibration of multiple sensors |
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| CN202614269U true CN202614269U (en) | 2012-12-19 |
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| CN201220081810.0U Expired - Fee Related CN202614269U (en) | 2012-03-07 | 2012-03-07 | Portable outfield equipment for optical axis calibration of multiple sensors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589605A (en) * | 2012-03-07 | 2012-07-18 | 中国电子科技集团公司第十一研究所 | Portable type external field equipment for multi-sensor optical axis calibration |
| CN109029921A (en) * | 2018-08-03 | 2018-12-18 | 中国电子科技集团公司第十研究所 | The target simulator of axis is adjusted for the focusing of multi-sensor photoelectric equipment |
-
2012
- 2012-03-07 CN CN201220081810.0U patent/CN202614269U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589605A (en) * | 2012-03-07 | 2012-07-18 | 中国电子科技集团公司第十一研究所 | Portable type external field equipment for multi-sensor optical axis calibration |
| CN102589605B (en) * | 2012-03-07 | 2015-05-06 | 中国电子科技集团公司第十一研究所 | Portable type external field equipment for multi-sensor optical axis calibration |
| CN109029921A (en) * | 2018-08-03 | 2018-12-18 | 中国电子科技集团公司第十研究所 | The target simulator of axis is adjusted for the focusing of multi-sensor photoelectric equipment |
| CN109029921B (en) * | 2018-08-03 | 2024-04-26 | 中国电子科技集团公司第十一研究所 | Target simulator for focusing and axis adjusting of multi-sensor photoelectric equipment |
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Granted publication date: 20121219 Termination date: 20210307 |
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