[특허]Eye safe laser security device

Science and Engineering Associates, Inc.

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검색연산자	기능	검색시 예
()	우선순위가 가장 높은 연산자	예1) (나노 (기계 \| machine))
공백	두 개의 검색어(식)을 모두 포함하고 있는 문서 검색	예1) (나노 기계) 예2) 나노 장영실
\|	두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색	예1) (줄기세포 \| 면역) 예2) 줄기세포 \| 장영실
!	NOT 이후에 있는 검색어가 포함된 문서는 제외	예1) (황금 !백금) 예2) !image
*	검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색	예) semi*
""	따옴표 내의 구문과 완전히 일치하는 문서만 검색	예) "Transform and Quantization"

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Eye safe laser security device

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F21K-007/00
미국특허분류(USC)	362/259; 042/001.16; 042/100; 361/232; 362/008; 362/032; 362/102; 362/111; 362/187; 362/276; 362/294; 362/802
출원번호	US-0518230 (1995-08-23)
발명자 / 주소	German, John D.
출원인 / 주소	Science and Engineering Associates, Inc.
대리인 / 주소	Morgan, Esq., DeWitt M.Wildenstein, Esq., Kevin Lynn
인용정보	피인용 횟수 : 102 인용 특허 : 14

초록
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This invention provides a fixed or portable non-lethal laser security device and method for use of such device as a non-damaging weapon and security system to provides warning and visual impairment upon an intruder. At a predetermined laser wavelength and intensity, this invention utilizes laser light in the visible portion of the wavelength spectrum to create temporary visual impairment, hesitation, delay, distraction, and reductions in combat and functional effectiveness through the effects of glare, flashblind, and psychological impact. The preferred embodiment of the laser security device in the present invention involves the use of laser technology with a remotely operated security system. The device should have a housing structure to protect the internal components from damage or destruction, the ability to produce and transmit visible laser light over various wavelengths and intensities, a power source to drive the laser light, a collimating lens to focus the laser light, and should also be capable of coupling and communicating with an existing security device such as a remote-control closed circuit television camera mounted upon a pan and tilt head. Upon detection of an intruder, the laser security device is capable of visually warning the intruder of the detection. If the intruder further intrudes, the laser security device impairs the intruder's visual capabilities by the effects of flashblind and glare, allowing security forces time to respond to the intrusion and intercept the intruder.

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1. A self contained, portable device to reduce or temporarily impair the visual ability of a human by either glare or flashblinding without long-term visual impairment, said device comprising: (a) a single housing; (b) a laser positioned in said housing, said laser being a low energy laser, when energized said laser producing a beam of visible laser light having an intensity of up to 0.0583 watts/cm 2 at a range of 3-1000 meters; (c) a lens positioned in said housing for altering the spread and, therefore, the intensity of said laser beam; (d) a power source positioned in said housing; (e) a switch positioned in said housing; and (f) a power source circuit positioned in said housing, interconnecting said power supply and said switch with said laser, said circuit limiting the power output of said laser to a level of intensity at which significant glare and flashblinding effects occur but below the threshold intensity for permanent eye damage. 2. The device as set forth in claim 1, wherein said laser is a continuous laser. 3. The device as set forth in claim 1, wherein said laser is a repetitively pulsed laser. 4. The device as set forth in claim 1, wherein said laser operates in the wavelength range of 400 to 700 nm. 5. The device as set forth in claim 4, wherein said laser is a frequency-doubled Nd:YAG laser. 6. The device as set forth in claim 4, wherein said laser is a semiconductor diode laser. 7. The device as set forth in claim 1, wherein said power source includes at least one battery. 8. The device as set forth in claim 1, further including means to adjust the position of said lens relative to the laser output aperture, whereby said beam spread can be altered so that the diameter of said beam and said intensity can be varied. 9. The device as set forth in claim 8, wherein said position adjusting means is a ring mounted on said housing. 10. The device as set forth in claim 9, wherein said housing has the general exterior configuration of a conventional flashlight. 11. The device as set forth in claim 10, wherein said power source is one or more conventional batteries. 12. The device as set forth in claim 11, further including a heat sink positioned in said housing in heat transfer relationship with said laser. 13. The device as set forth in claim 1, further including an optical fiber to couple said laser to said lens. 14. The device as set forth in claim 13, wherein said laser is a semiconductor diode laser. 15. The device as set forth in claim 14, wherein said housing has the general configuration of a police baton. 16. The device as set forth in claim 15, wherein said housing is a sturdy tube which can also function as a baton. 17. The device as set forth in claim 1, wherein said housing is the size and shape of a cartridge for a hand held firearm. 18. The device as set forth in claim 17, wherein said housing is size and shape of a conventional 12 gauge shotgun shell, whereby said housing can be chambered in a conventional 12 gauge shotgun. 19. The device as set forth in claim 18, wherein said switch generates a laser triggering signal upon impact by the firing pin of said shotgun. 20. The device as set forth in claim 19, wherein said switch is a piezo crystal triggering generator. 21. The device as set forth in claim 19, wherein said power supply circuit includes a triggering circuit. 22. The device as set forth in claim 18, wherein said power source is a rechargeable battery, and further including means for recharging said battery. 23. The device as set forth is claim 18, wherein said laser is a semiconductor diode laser. 24. The device as set forth in claim 23, further including a heat sink positioned in said housing in heat transfer relationship with said laser. 25. A device to reduce or temporarily impair the visual ability in a human by either glare or flashblinding, without long-term visual impairment, said device comprising: (a) a low energy laser, when energized said laser producing a beam of visible laser light having an intensity of up to 0.0583 watts/cm 2 at a range of 3-1000 meters, said laser including a housing and optics for altering the spread of said beam; (b) a power source for energizing said laser; (c) a switch; (d) a power supply circuit interconnecting said power source and said switch with said laser, said circuit limiting the power output of said laser to a level at which significant glare and flashblinding effects can occur, but below the threshold intensity for permanent eye damage. 26. The device as set forth in claim 25, further including a closed circuit television camera and a remotely located operator monitor electronically coupled to said camera, said camera and said laser housing mounted adjacent to each other, so that both are at the same location, remote from said monitor. 27. The device as set forth in claim 26, further including a pan and tilt mount and electronics for controlling the movement of said mount, said camera and said laser both being secured to said mount, said monitor including a pan and tilt control. 28. The device as set forth in claim 27, wherein said switch is located on said monitor. 29. The device as set forth in claim 26, wherein said laser is a continuous laser. 30. The device as set forth in claim 26, wherein said laser is a repetitively pulsed laser. 31. The device as set forth in claim 26, wherein said laser operates in the wavelength range of 400 to 700 nm. 32. The device as set forth in claim 31, wherein said laser is a frequency doubled Nd:YAG laser. 33. The device as set forth in claim 31, wherein said laser is a semiconductor diode laser. 34. A device to reduce or temporarily impair the visual ability in a human by either glare or flashblinding, without long-term visual impairment, said device comprising: (a) a low energy laser, when energized said laser producing a beam of visible laser light having an intensity of no more than 0.0583 watts/cm 2 at a location a fixed distance from said laser along the path of said beam, said laser including a housing and optics for setting the spread of and, hence the intensity, of said beam; (b) a power source for energizing said laser; (c) means for sensing the presence of a moving individual within a predetermined are, said sensing means including a switch; and (d) a power supply circuit interconnecting said power and said switch with said laser, said circuit limiting the power output of said laser to a level of intensity at which significant glare and flashblinding effects can occur, but below the threshold intensity for permanent eye damage.

이 특허에 인용된 특허 (14)

이 특허를 인용한 특허 피인용횟수: 102

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Eye safe laser security device

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이 특허에 인용된 특허 (14)

이 특허를 인용한 특허 피인용횟수: 102

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Eye safe laser security device

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이 특허에 인용된 특허 (14)

이 특허를 인용한 특허 피인용횟수: 102

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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