[특허]Non-adjustable pointer-tracker gimbal used for directed infrared countermeasures systems

Non-adjustable pointer-tracker gimbal used for directed infrared countermeasures systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01B-011/26
출원번호	US-0506901 (2012-05-23)
등록번호	US-9310191 (2016-04-12)
발명자 / 주소	Corella, Armando Buzdar, Lynne F. Gidseg, Ronald A.
출원인 / 주소	BAE Systems Information and Electronic Systems Integration Inc.
대리인 / 주소	Hayes Soloway PC
인용정보	피인용 횟수 : 0 인용 특허 : 35

초록 ▼

In a directed infrared countermeasure system, to assure parallelism between the line-of-sight to a target and the output beam, the input and output mirrors are fixedly attached to a uni-construction arm mounted to a rotatable azimuth platter to which internal mirrors are also fixedly attached. A system is provided for zeroing out alignment errors by developing an aim-point map for the gimbal that records initial alignment errors induced by manufacturing tolerances and uses the aim-point map error values to correct the output mirror orientation. The system also corrects for alignment errors induced by thermal gradients.

대표청구항 ▼

1. In a directed infrared countermeasure system that utilizes a pointer-tracker gimbal, a system to assure that the laser beam from the gimbal is parallel with the line-of-sight to a target, comprising: an elevation stage including an input mirror and an output mirror fixedly mounted to a uni-construction elevation arm;an azimuth stage including an azimuth platter rotatable about the azimuth axis;an assembly for mounting said elevation arm to said azimuth platter;an internal mirror assembly mounted to said azimuth platter;a camera at said gimbal and including a focal plane array and a telescope and having a centerline;a laser at said gimbal having an output beam directed along said centerline; and,azimuth and elevation stage drives operable to alter the position of said output mirror after target acquisition on said focal plane array to offset said azimuth and elevation stages in accordance with the error priorly recorded in an aim-point map to correct the angular orientation of said output mirror such that said output mirror is offset in accordance with the aim-point map error associated with the angle of the line-of-sight to said target for establishing parallelism between said line-of-sight and said laser beam, thus to minimize angular displacement between the two, said aim-point map being generated by providing a fixed reflective fiducial target at a distance from said gimbal, rotating said gimbal to a variety of positions to establish a number of lines of sight to said fixed reflective fiducial target at different angles relative to said gimbal, measuring the error between the beam reflected by said fixed reflective fiducial target onto said focal plane array and the image of said fixed reflective fiducial target on said focal plane array, thus to establish said error, and converting said error to an offset used to drive said elevation and azimuth stages of said gimbal to offset said output mirror for the repositioning thereof such that said output beam is redirected by said output mirror along a path parallel to the line-of-sight to said target. 2. The system of claim 1, wherein none of said mirrors are adjusted from an originally aligned position, said mirrors being fixed to said elevation arm. 3. The system of claim 1, wherein said gimbal includes internal mirrors, wherein said input and output mirrors are fixedly attached to said elevation arm and wherein said internal mirrors are fixedly attached to said azimuth platter, whereby the positions of said mirrors set up during initial alignment of said mirrors during manufacture of said gimbal are not adjustable. 4. The system of claim 3, wherein any angular displacement of said output beam reflected by said output mirror relative to the line-of-sight to said target is adjusted by repositioning said output mirror in accordance with the line-of-sight angle and the offset corresponding thereto. 5. The system of claim 1, wherein the centerline of said camera passes through the center of said focal plane array.

이 특허에 인용된 특허 (35)

Schaefer Robert D. (Huntington Beach CA) Kiunke Paul C. (Brea CA), Adaptable modular stabilization system.
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Cole Donald E. (Covina CA) Speicher John M. (Upland CA), Body referenced gimballed sensor system.
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Farmer Roger C., Compact scanning infrared countermeasure emitter.
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Livingston Peter M., Dichroic active tracker.
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Fetterly,Donald R., Directed infrared countermeasures (DIRCM) system and method.
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Meyers ; Franklin J., Dual field image scanner.
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Hueber Werner G. (China Lake CA), Dual mode guidance system.
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Lipps Gary D. (Orlando FL), Electronically stabilized tracking system.
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Anschel, Israel; Krupkin, Vladimir; Lovett, Andrew; Sacks, Zachary; Chomski, Doron; Schiffer, Zeev; Grossman, Kuti; Luria, Elena; David, Doron; Shoshan, Itamar, Fiber laser based directional infrared countermeasure (DIRCM) system.
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Teppo Edward A. (Ridgecrest CA) Haugen Leonard R. (Ridgecrest CA), Gimballed active optical system.
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Cottle ; Jr. Wilbur W. (Richardson TX) Smith Lilburn R. (Richardson TX), Gyro stabilized optics with fixed detector.
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Deflumere, Michael E.; Stewart, Hamilton, Method and apparatus for active boresight correction.
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Stone, Kenneth Wayne; Kiefer, James A., Method and apparatus for controllably positioning a solar concentrator.
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Nicholson Eric (Bangor GB5), Optical aiming device.
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Malueg Richard M. (Glendora CA), Optical image stabilizing system.
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Klaus ; Jr. Benjamin (Lexington MA), Optical system.
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Klaus ; Jr. Benjamin (Lexington MA) MacKenzie Gordon C. (North Billerica MA) Beckerleg Richard A. (Boxford MA), Optical system.
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Hollandsworth Paul E. (Charlottesville VA) Cantrell Clifford (North Garden VA), Orientation stabilization by software simulated stabilized platform.
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Klaus ; Jr. Benjamin (Lexington MA), Seeker.
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Byren Robert W. (Hermosa Beach CA) Rockwell David A. (Santa Monica CA), Self-aligning phase conjugate laser.
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Meyers Franklin J. (Canoga Park CA) Sturiale Gino R. (Woodland Hills CA), Self-stabilizing image scanner.
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Clark Keith E. (Ridgecrest CA) Woods Charles E. (Ridgecrest CA), Stabilized gimbal platform.
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Deoms James H. ; Hale Robert A. ; Stahl Robert W., Stabilized optical gimbal assembly.
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Butler ; Walker ; Krahulec ; Fred, Stabilized platform system.
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Timothy,LaMar K.; Sato,Jeffrey S.; Buchanan,Alan M.; Batzer,Patricia F., System and method for pointing and control of an antenna.
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Hoban Fay, Target seeking free gyro.
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Beckerleg Richard A. (Boxford MA) LaTorre Richard R. (Bedford MA) Levitt Barry N. (Framingham MA), Two-axis gimbal arrangement.
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Pepin Christian (Paris FRX) Herlin Patrick (Paris FRX), Video imagery device, especially for a homing unit.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Non-adjustable pointer-tracker gimbal used for directed infrared countermeasures systems 원문보기

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Non-adjustable pointer-tracker gimbal used for directed infrared countermeasures systems 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (35)

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