CN204028706U - Multi-load vehicular photoelectric stable platform - Google Patents
Multi-load vehicular photoelectric stable platform Download PDFInfo
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- CN204028706U CN204028706U CN201420441382.7U CN201420441382U CN204028706U CN 204028706 U CN204028706 U CN 204028706U CN 201420441382 U CN201420441382 U CN 201420441382U CN 204028706 U CN204028706 U CN 204028706U
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- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000003116 impacting effect Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 12
- 238000013461 design Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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Abstract
The utility model relates to a kind of multi-load vehicular photoelectric stable platform, and this platform comprises mast Connection Block, azimuth axle, pitch axis system, outer cover; The bearing base of azimuth axle is fixed on mast Connection Block; Azimuth-drive motor is arranged in the center through hole of bearing base; Azimuth encoder, conducting ring are fixedly connected with azimuth-drive motor axle with orientation framework; The pitching motor of pitch axis system is arranged on the Right side support wall of orientation framework, is fixedly connected with on the right side of pitching frame with pitching motor axle; Pitching scrambler axle is arranged on the Left-side support wall of orientation framework, is fixedly connected with on the left of pitching frame with pitching scrambler axle, and pitching scrambler is fixed on pitching scrambler axle; Pitching frame profile is circle drum, jointly forms spherical outer cover with the left and right side ball cover that the left and right side supporting walls of orientation framework is installed.The utility model can also reduce the impact of the external disturbances such as windage on system except overcoming vibration, impacting, and realizes system optics optic central extract and target following.
Description
Technical field
The utility model belongs to precision machinery technology field, relates to a kind of multi-load vehicular photoelectric stable platform, and this platform is particularly useful for the tenacious tracking situation needing in the presence of a harsh environment to keep satisfactory texture dynamic perfromance.
Background technology
Along with the fast development of modern information technologies, photo electric imaging system all plays important role in military affairs and civil area), and vehicle-mountedization of electro-optical system improves its maneuverability, dirigibility and disguise especially, namely can rapid reconnaissance, location, identification plurality of target.Carrying car stability in motion process affects very serious by road conditions, Stable Platform will accept the various load of carrying car transmission, and rugged surroundings are to its test.Therefore the design of vehicular photoelectric stable platform is except will having high mechanical precision and the rigidity of structure, also will have good dynamic perfromance, thinks that the O-E Payload that it is installed provides flexible, stable reconnaissance platforms to greatest extent.
Current multi-load vehicular photoelectric turntable equipment all adopts U-shaped framework or square structure form, this version is poor in road conditions, wind speed is excessive or carry vehicle speed faster in situation, stronger moment of wind resistance or unbalance loading moment can be produced, affect its lasting accuracy.Due to the design deficiency of environmental Kuznets Curves design and seal aspect, operationally General Requirements weather conditions are good, without the weather such as strong wind, heavy rain, can not adapt to all weather operations.In addition, general mobile unit all adopts rotatable platform to add the split distribution form of electric cabinet, and O-E Payload is arranged in turntable, is arranged in electric cabinet in control circuit segment set, and turntable and electric cabinet realize information interaction by communication cable.This kind of version is installed complicated, takes up room many, debugging maintenance very inconvenience; Cable laying workload is large, and not easily ensures the electromagnetic compatibility characteristic of system.
Summary of the invention
The technical problems to be solved in the utility model is to provide one and effectively can overcomes vibration, impact, and reduce the impact of the external disturbances such as windage on electro optical reconnaissance system, realize electro optical reconnaissance system optical viewing axis and stablize the multi-load vehicular photoelectric stable platform with target following.
In order to solve the problems of the technologies described above, multi-load vehicular photoelectric stable platform of the present utility model comprises mast Connection Block, azimuth axle, pitch axis system, outer cover; It is characterized in that described outer cover is spherical.
Further, the utility model can also comprise the heating plate and convection fan assembly that are fixed on outer cover inside.
Described azimuth axle comprises bearing base, azimuth-drive motor, azimuth encoder, orientation framework, conducting ring; Bearing base is fixed on mast Connection Block; Azimuth-drive motor is fixed in the center through hole of bearing base; Azimuth encoder, conducting ring are fixedly connected with azimuth-drive motor axle with orientation framework, can rotate under the drive of azimuth-drive motor axle; Pitch axis system is arranged on orientation framework.
Described bearing base profile is cylindrical, and and seamlessly transits between spherical outer cover.
The top of described orientation framework forms U-shaped framework by left and right side supporting walls, and pitch axis system is arranged on U-shaped framework.
The bottom of described orientation framework is axle sleeve; Axle sleeve is fixedly connected with motor azimuth axis and and is supported by bearing between the endoporus of bearing base.
Described pitch axis system comprises pitching motor, pitching scrambler axle, pitching scrambler, pitching frame; Pitching motor is fixed on the Right side support wall of orientation framework, and the right side of pitching frame is fixedly connected with pitching motor axle, can rotate under pitching motor axle drives; Pitching scrambler axle is arranged on the Left-side support wall of orientation framework, and the left side of pitching frame is fixedly connected with pitching scrambler axle, and pitching scrambler is fixed on pitching scrambler axle; Pitching scrambler and pitching scrambler axle together can rotate with pitching frame.
Described pitching frame profile is circle drum; The left side ball cover that the Left-side support wall of pitching frame and orientation framework, Right side support wall are installed and right side ball cover form spherical outer cover jointly.
The left and right side of described pitching frame is with left side axle sleeve, right side axle sleeve; Left side axle sleeve is fixedly connected with pitching scrambler axle, and and supported by pitching scrambler axle bearing between the Left-side support wall of orientation framework; Right side axle sleeve is fixedly connected with pitching motor axle, and and is supported by pitching motor axle bearing between the Right side support wall of orientation framework.
The utility model provides a kind of version of diaxon two framework.Diaxon two frame stability platform is made up of orientation framework and pitching frame, pitching frame rotates around pitch axis system, pitch axis system is installed on orientation framework, orientation framework rotates around azimuth axle, azimuth axle is installed on the elevation mast of year car, whole platform structure profile top is spherical, bottom is cylindrical, middle by circular arc smooth excessiveness, this version can also reduce the impact of the external disturbances such as windage on system except overcoming vibration, impacting, and realizes system optics optic central extract and target following.
Described azimuth-drive motor and pitching motor adopt torque motor.
The utility model photoelectric stable platform orientation, pitching all adopt torque motor as directly driving element, the feature such as have the slow-speed of revolution, high pulling torque, overload capacity is strong, response is fast, characteristics linearity degree is good, torque fluctuations is little.Utilize angular encoder as position detecting element, high-precision position and velocity feedback are provided.Azimuth axle adopts pair of horns contact ball bearing to support, and ensure that azimuth axle rotating accuracy and rigidity.Pitching motor and flat space, framework both sides, scrambler apportion orientation, adopt the two ends fixed support mode of two angular contact ball bearing, under the prerequisite keeping rotating accuracy, have better Acclimation temperature ability.Be provided with pitching frame in the middle of pitching motor axle system and pitching scrambler axle system two axial ends, boresight direction is orthogonal with pitch axis, as installation and the positioning datum of each O-E Payload.This diaxon two framework platform compact conformation, volume is little, lightweight, cost is low, and load space is than large.
Photoelectric platform inside adopts the ring control device of heating plate and combination of fans mode to realize ball interior temperature and regulates, inner each load operation is in uniform operating temperature range to take heating plate type of heating to ensure, the frosting and guarantee optical window and camera lens in use do not condense.Fan ensures that load is at homogeneous temperature, Space-Work without the temperature difference.
Photoelectricity Reconnaissance system and turntable electric-control system can be arranged in turntable inside, and optical window is positioned at position corresponding with the optical lens of electro optical reconnaissance system on pitching frame.Modular design can improve Electro Magnetic Compatibility, the reliability and maintainability of electric-control system, realizes the high integration of system.
The utility model vehicular photoelectric platform structure with at present U-shaped or quadra version compared with, there is the features such as air resistance coefficient is low, the rigidity of structure is high, lightweight, level of integrated system is high, electromagnetic compatibility is effective, and there is good shock resistance, vibration and adaptive capacity to environment, can be the dexterous type platform that optoelectronic device provides a high stable precision, dynamic perfromance good, have and well promote and practical value.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the cut-open view of multi-load vehicular photoelectric stable platform of the present utility model.
Embodiment
As shown in Figure 1, multi-load vehicular photoelectric stable platform of the present utility model comprises mast Connection Block 1, azimuth axle, pitch axis system, outer cover, is fixed on heating plate and the convection fan assembly 4 of outer cover inside.
Described azimuth axle comprises bearing base 21, azimuth-drive motor 22, azimuth encoder 24, orientation framework 26, conducting ring 27, bearing base 21.Bearing base 21 is fixed on mast Connection Block 1, and its profile is cylindrical, and and seamlessly transit between spherical outer cover; Orientation framework 26 comprises U-shaped framework two parts that bottom axle sleeve 251 and top are made up of left and right side supporting walls 252,253; Azimuth-drive motor 22 is fixed in the center through hole of bearing base 21; Azimuth encoder 24, conducting ring 27 are fixedly connected with azimuth-drive motor axle 23, axle sleeve 251 be fixedly connected with motor azimuth axis 23 and and supported by bearing 25 between the endoporus of bearing base 21; Azimuth encoder 24, conducting ring 27, orientation framework 26 can rotate under the drive of azimuth-drive motor axle 23.
Described pitch axis system comprises pitching motor 31, pitching scrambler axle 34, pitching scrambler 35, pitching frame 37, pitching motor axle bearing 33, pitching scrambler axle bearing 36; Pitching frame 37 profile is circle drum; The left side ball cover 41 that the Left-side support wall 252 of pitching frame 37 and orientation framework 26, Right side support wall 253 are installed and right side ball cover 42 form spherical outer cover jointly.The left and right side of pitching frame 1 is with left side axle sleeve 371, right side axle sleeve 372; Pitching motor 31 is fixed on the Right side support wall 253 of orientation framework 26, and the right side axle sleeve 372 of orientation framework 26 is fixedly connected with pitching motor axle 32, and and supported by pitching scrambler axle bearing 36 between the Left-side support wall 252 of orientation framework 26; Pitching scrambler axle 34 is arranged on the Left-side support wall 252 of orientation framework 26, and the left side axle sleeve 371 of pitching frame 37 is fixedly connected with pitching scrambler axle 34, and and is supported by pitching motor axle bearing 33 between the Right side support wall 253 of orientation framework 26.Pitching scrambler 35 is fixed on pitching scrambler axle 34.Bearing 25 adopts pair of horns contact ball bearing; Pitching motor axle bearing 33, pitching scrambler axle bearing 36 adopt two angular contact ball bearing.
Electro optical reconnaissance system and electric-control system are arranged in pitching frame 37, and optical window is positioned at position corresponding with the optical lens of electro optical reconnaissance system on pitching frame 37.
The utility model is not limited to aforesaid way, and outer cover can also adopt the spherical shell of integrative-structure, azimuth axle and pitch axis system, and photoelectricity Reconnaissance system, electric-control system are arranged in spherical shell, with optical window on spherical shell.
Photoelectric platform azimuth axle adopts torque motor directly to drive orientation framework, because azimuth axle carries whole platform weight, employing two back-to-back installations of angular contact ball bearing in design, increase bearing support rigidity, also can bear radial force, axial force load; Precompressed is applied to bearing inner race, makes Bearing inner play in negative state, improve the anti-radial direction of azimuth axis and axial displacement rigidity, improve azimuth axis natural frequency, control azimuth axle runout, improve running accuracy, also can suppress vibration and noise simultaneously.Azimuth axle center adds conducting ring, can rotate realizing method axle system n × 360 °.
Pitch axis system torque motor and the two ends of scrambler shafting installation on orientation framework, the back-to-back pretension of pitching scrambler axle system end employing two angular contact ball bearings is installed, to eliminate gap, to ensure rotation precision, motor side also adopts two back-to-back pretensions of angular contact ball bearing to install, and makes pitching frame system have very high system stiffness.Scrambler high-precision angle sensor.Pitch axis system is furnished with electric spacing and elastic mechanical is spacing.Ensure the reliability of turntable work.
The main electric-control system of turntable is divided into turntable communication control unit, servo system control unit, the parts such as Power Management Unit, by adopting integrated design thinking, the whole modularization of electric-control system is arranged on turntable inside, eliminates independent electronic-control box part, reduces cable laying and connects, achieve electromechanical integration, be easy to Installation and Debugging and maintenance.
Claims (8)
1. a multi-load vehicular photoelectric stable platform, comprises mast Connection Block (1), azimuth axle, pitch axis system, outer cover; It is characterized in that described outer cover is spherical; Azimuth axle comprises bearing base (21), azimuth-drive motor (22), azimuth encoder (24), orientation framework (26), conducting ring (27); Bearing base (21) is fixed on mast Connection Block (1); Azimuth-drive motor (22) is fixed in the center through hole of bearing base (21); Azimuth encoder (24), conducting ring (27) are fixedly connected with azimuth-drive motor axle (23) with orientation framework (26), can rotate under the drive of azimuth-drive motor axle (23); Pitch axis system is arranged on orientation framework (26).
2. multi-load vehicular photoelectric stable platform according to claim 1, characterized by further comprising the heating plate and convection fan assembly (4) that are fixed on outer cover inside.
3. multi-load vehicular photoelectric stable platform according to claim 1, is characterized in that described bearing base (21) profile is cylindrical, and and seamlessly transits between spherical outer cover.
4. multi-load vehicular photoelectric stable platform according to claim 1, it is characterized in that the top in described orientation framework (26) forms U-shaped framework by left and right side supporting walls (252,253), pitch axis system is arranged on U-shaped framework.
5. the multi-load vehicular photoelectric stable platform according to claim 1 or 4, is characterized in that the bottom in described orientation framework (26) is axle sleeve (251); Axle sleeve (251) is fixedly connected with motor azimuth axis (23) and and is supported by bearing (25) between the endoporus of bearing base (21).
6. multi-load vehicular photoelectric stable platform according to claim 4, it is characterized in that described pitch axis system comprises pitching motor (31), pitching scrambler axle (34), pitching scrambler (35), pitching frame (37); Pitching motor (31) is fixed on the Right side support wall (253) of orientation framework (26), the right side of pitching frame (37) is fixedly connected with pitching motor axle (32), can rotate under pitching motor axle (32) drives; Pitching scrambler axle (34) is arranged on the Left-side support wall (252) of orientation framework (26), the left side of pitching frame (37) is fixedly connected with pitching scrambler axle (34), and pitching scrambler (35) is fixed on pitching scrambler axle (34); Pitching scrambler (35) and pitching scrambler axle (34) together can rotate with pitching frame (37).
7. multi-load vehicular photoelectric stable platform according to claim 6, is characterized in that described pitching frame (37) profile is circle drum; The left side ball cover (41) that the Left-side support wall (252) of pitching frame (37) and orientation framework (26), Right side support wall (253) are above installed and right side ball cover (42) form spherical outer cover jointly.
8. multi-load vehicular photoelectric stable platform according to claim 6, is characterized in that the left and right side of described pitching frame (37) is with left side axle sleeve (371), right side axle sleeve (372); Left side axle sleeve (371) is fixedly connected with pitching scrambler axle (34), and and supported by pitching scrambler axle bearing (36) between the Left-side support wall (252) of orientation framework (26); Right side axle sleeve (372) is fixedly connected with pitching motor axle (32), and and is supported by pitching motor axle bearing (33) between the Right side support wall (253) of orientation framework (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441382.7U CN204028706U (en) | 2014-08-06 | 2014-08-06 | Multi-load vehicular photoelectric stable platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420441382.7U CN204028706U (en) | 2014-08-06 | 2014-08-06 | Multi-load vehicular photoelectric stable platform |
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| CN204028706U true CN204028706U (en) | 2014-12-17 |
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| CN201420441382.7U Expired - Lifetime CN204028706U (en) | 2014-08-06 | 2014-08-06 | Multi-load vehicular photoelectric stable platform |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482950A (en) * | 2014-12-30 | 2015-04-01 | 中国科学院长春光学精密机械与物理研究所 | Vehicle-mounted integrated tracking rotary table |
| CN104570321A (en) * | 2014-12-30 | 2015-04-29 | 中国科学院长春光学精密机械与物理研究所 | Meter-scale vehicle-mounted adaptive optical imaging telescope |
| CN104735302A (en) * | 2015-03-31 | 2015-06-24 | 中国科学院上海技术物理研究所 | Swing sweep imager cantilever type swing shaft gap elimination high-frequency image shifting compensation device |
| CN105242688A (en) * | 2015-09-25 | 2016-01-13 | 长春通视光电技术有限公司 | Vehicle-mounted photoelectric platform nested type intersecting shaft system structure |
| CN106347696A (en) * | 2016-09-29 | 2017-01-25 | 武汉华中天经通视科技有限公司 | Light and small photoelectric pod |
| CN106567985B (en) * | 2016-11-18 | 2018-06-19 | 天津津航技术物理研究所 | Airborne Liang Zhou sweep stabilizations mechanism in high precision |
| CN109407100A (en) * | 2018-09-21 | 2019-03-01 | 中国科学院长春光学精密机械与物理研究所 | A kind of compact infrared scan tracking system |
| CN109445470A (en) * | 2018-11-28 | 2019-03-08 | 中国科学院光电技术研究所 | Carrier attitude angle information feedforward-based visual axis stabilization method for photoelectric system |
| CN109630505A (en) * | 2019-01-09 | 2019-04-16 | 中国科学院长春光学精密机械与物理研究所 | Optoelectronic device retaining mechanism and optoelectronic device, investigation equipment |
| CN110661078A (en) * | 2019-08-25 | 2020-01-07 | 武汉华中天经通视科技有限公司 | Vehicle-ground high-speed laser communication device |
| CN112859105A (en) * | 2020-12-31 | 2021-05-28 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Compact mast shaft-penetrating type liftable photoelectric heel searching system |
| CN114166209A (en) * | 2021-10-26 | 2022-03-11 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | High-precision star tracker |
| CN114815218A (en) * | 2022-03-09 | 2022-07-29 | 中国科学院长春光学精密机械与物理研究所 | Large-caliber vehicle-mounted off-axis optical telescope |
| CN116019086A (en) * | 2023-01-29 | 2023-04-28 | 长春通视光电技术有限公司 | Photoelectric turntable embedded with kude light path |
| CN116500747A (en) * | 2023-06-26 | 2023-07-28 | 天府兴隆湖实验室 | Thermal control turntable for optical equipment |
-
2014
- 2014-08-06 CN CN201420441382.7U patent/CN204028706U/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482950A (en) * | 2014-12-30 | 2015-04-01 | 中国科学院长春光学精密机械与物理研究所 | Vehicle-mounted integrated tracking rotary table |
| CN104570321A (en) * | 2014-12-30 | 2015-04-29 | 中国科学院长春光学精密机械与物理研究所 | Meter-scale vehicle-mounted adaptive optical imaging telescope |
| CN104735302A (en) * | 2015-03-31 | 2015-06-24 | 中国科学院上海技术物理研究所 | Swing sweep imager cantilever type swing shaft gap elimination high-frequency image shifting compensation device |
| CN105242688A (en) * | 2015-09-25 | 2016-01-13 | 长春通视光电技术有限公司 | Vehicle-mounted photoelectric platform nested type intersecting shaft system structure |
| CN106347696A (en) * | 2016-09-29 | 2017-01-25 | 武汉华中天经通视科技有限公司 | Light and small photoelectric pod |
| CN106567985B (en) * | 2016-11-18 | 2018-06-19 | 天津津航技术物理研究所 | Airborne Liang Zhou sweep stabilizations mechanism in high precision |
| CN109407100A (en) * | 2018-09-21 | 2019-03-01 | 中国科学院长春光学精密机械与物理研究所 | A kind of compact infrared scan tracking system |
| CN109445470A (en) * | 2018-11-28 | 2019-03-08 | 中国科学院光电技术研究所 | Carrier attitude angle information feedforward-based visual axis stabilization method for photoelectric system |
| CN109445470B (en) * | 2018-11-28 | 2022-03-25 | 中国科学院光电技术研究所 | Carrier attitude angle information feedforward-based visual axis stabilization method for photoelectric system |
| CN109630505A (en) * | 2019-01-09 | 2019-04-16 | 中国科学院长春光学精密机械与物理研究所 | Optoelectronic device retaining mechanism and optoelectronic device, investigation equipment |
| CN109630505B (en) * | 2019-01-09 | 2021-08-20 | 中国科学院长春光学精密机械与物理研究所 | Locking mechanism for photoelectric equipment, photoelectric equipment and investigation equipment |
| CN110661078A (en) * | 2019-08-25 | 2020-01-07 | 武汉华中天经通视科技有限公司 | Vehicle-ground high-speed laser communication device |
| CN110661078B (en) * | 2019-08-25 | 2021-06-01 | 武汉华中天经通视科技有限公司 | Vehicle-ground high-speed laser communication device |
| CN112859105A (en) * | 2020-12-31 | 2021-05-28 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Compact mast shaft-penetrating type liftable photoelectric heel searching system |
| CN112859105B (en) * | 2020-12-31 | 2024-05-10 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Compact mast shaft penetrating type liftable photoelectric heel searching system |
| CN114166209A (en) * | 2021-10-26 | 2022-03-11 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | High-precision star tracker |
| CN114166209B (en) * | 2021-10-26 | 2023-08-08 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | High-precision star tracker |
| CN114815218A (en) * | 2022-03-09 | 2022-07-29 | 中国科学院长春光学精密机械与物理研究所 | Large-caliber vehicle-mounted off-axis optical telescope |
| CN116019086A (en) * | 2023-01-29 | 2023-04-28 | 长春通视光电技术有限公司 | Photoelectric turntable embedded with kude light path |
| CN116500747A (en) * | 2023-06-26 | 2023-07-28 | 天府兴隆湖实验室 | Thermal control turntable for optical equipment |
| CN116500747B (en) * | 2023-06-26 | 2023-09-05 | 天府兴隆湖实验室 | Thermal control turntable for optical equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 2, Changchun Jingyue Technology Achievement Undertaking and Transformation Base, No. 888 Dujuan Road, Jingyue Development Zone, Changchun City, Jilin Province, 130033 Patentee after: Changchun Tongshi Optoelectronic Technology Co.,Ltd. Address before: No. 600 Weihai Road, Economic Development Zone, Changchun City, Jilin Province, 130000 Patentee before: CHANGCHUN TONGSHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
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| CX01 | Expiry of patent term |