[특허]Controls for a surgical light apparatus

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F21V-021/08
출원번호	US-0095229 (2002-03-11)
발명자 / 주소	Borders, Richard L. Coon, Dennis C. Krahe, Ronald P. Bulko, John M.
출원인 / 주소	Hill-Rom Services, Inc.
대리인 / 주소	Barnes & Thornburg
인용정보	피인용 횟수 : 15 인용 특허 : 54

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A surgical lighthead includes a reflector, a lens coupled to the reflector, and a handle located adjacent the lens. The handle defines an air passage to facilitate installation of a shield over the handle. A lamp assembly includes a support and at least one bulb located on the support between the re

A surgical lighthead includes a reflector, a lens coupled to the reflector, and a handle located adjacent the lens. The handle defines an air passage to facilitate installation of a shield over the handle. A lamp assembly includes a support and at least one bulb located on the support between the reflector and the lens. Tubes are mounted in an interior region of the lighthead between the reflector and the lens, and rods are configured to engage the support. Each rod extends through the support and into a corresponding tube. The rods include at least one threaded portion configured to secure the lamp assembly within the interior region. The rods are slidable relative to the tubes upon disengagement of the threaded portions of the rods to permit the lamp assembly to move out of the interior region of the lighthead. The rods include stops to prevent separation of the lamp assembly from the lighthead. A controller turns the bulb on and off and adjusts the intensity level of light emitted from the bulb. Spaced apart first and second displays are coupled to the controller. Each displays an indication of the intensity level of the bulb.

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A surgical lighthead includes a reflector, a lens coupled to the reflector, and a handle located adjacent the lens. The handle defines an air passage to facilitate installation of a shield over the handle. A lamp assembly includes a support and at least one bulb located on the support between the re

A surgical lighthead includes a reflector, a lens coupled to the reflector, and a handle located adjacent the lens. The handle defines an air passage to facilitate installation of a shield over the handle. A lamp assembly includes a support and at least one bulb located on the support between the reflector and the lens. Tubes are mounted in an interior region of the lighthead between the reflector and the lens, and rods are configured to engage the support. Each rod extends through the support and into a corresponding tube. The rods include at least one threaded portion configured to secure the lamp assembly within the interior region. The rods are slidable relative to the tubes upon disengagement of the threaded portions of the rods to permit the lamp assembly to move out of the interior region of the lighthead. The rods include stops to prevent separation of the lamp assembly from the lighthead. A controller turns the bulb on and off and adjusts the intensity level of light emitted from the bulb. Spaced apart first and second displays are coupled to the controller. Each displays an indication of the intensity level of the bulb. 683, 20010500, Tukia, 362/303; US-6491415, 20021200, Orellana, 362/375; US-20020085392, 20020700, Hajianpour, 362/562 structed such that four prisms are cemented together by an adhesive agent and wavelength selection reflecting layers assume a substantially cruciate shape. 9. A display apparatus according to claim 1, including means for causing an image to be displayed in a plurality of different kinds of display forms by changing the color purity of at least one of said plurality of lights differing in color from one another. 10. A display apparatus according to claim 9, wherein said means for causing an image to be displayed in a plurality of different kinds of display forms changes the color purity of said at least one light by putting an optical element into or out of the optical path of said at least one light color, or changing the posture of an optical element disposed in said optical path. 11. A display apparatus according to claim 10, wherein said optical element is disposed between said color separating optical system and said display element. 12. A display apparatus according to claim 10, wherein said optical element is an edge filter. 13. A projection type display apparatus comprising: a display apparatus according to claim 1; and a projection optical system for projecting the light from said at least one display element. 14. A projection type display apparatus comprising: a plurality of image display elements; a color separating optical system for color-separating light from a light source into a plurality of color lights; an irradiating optical system for irradiating said plurality of image display elements with the lights from said color separating optical system; a color combining optical system for combining the lights from said plurality of image display elements; and a projection optical system for projecting the lights combined by said color combining optical system onto a projection surface; said projection type display apparatus having on the optical path of at least one of said plurality of color lights an optical element having the characteristic of transmitting therethrough a region of a predetermined wavelength or longer in a visible light region but blocking a region of wavelengths shorter than said predetermined wavelength or a converse characteristic; said color separating optical system having at least one color separating surface subjected to inclination correction, said color separating surface being movable, wherein the inclination correction of the color separating surface effects preventing a cut wavelength from being varied by the difference in the angle of incidence of the light onto the color separating surface. 15. A projection type display apparatus according to claim 14, wherein said color separating surface subjected to inclination correction is movable in a direction parallel to itself. 16. A projection type display apparatus according to claim 14, wherein said color separating optical system has plurality of color separating surfaces. 17. A projection type display apparatus according to claim 14, wherein said plurality of color lights include at least red, green and blue lights. 18. A projection type display apparatus according to claim 14, wherein said color separating surface comprises a surface of a dichroic mirror. 19. A projection type display apparatus according to claim 14, wherein said display elements are disposed correspondingly to respective ones of said plurality of color lights, and have a light combining optical system for combining the lights from a plurality of display elements for modulating said plurality of lights. 20. A projection type display apparatus according to claim 19, wherein said light combining optical system has three or more prisms. 21. A projection type display apparatus according to claim 20, wherein said light combining optical system is constructed such that four prisms are cemented together by an adhesive agent and wavelength selection reflecting layers assume a substantially cruciate shape. 22. A projection type display apparatus according to c

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이 특허에 인용된 특허 (54) 인용/피인용 타임라인 분석

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Olon Thomas E. (Fairview PA) Krihwan Carl C. (Erie PA), Redundant lamp control circuit.
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Neal ; Jr. Eugene J. (Clover SC), Reflector for dental, medical or the like lighting device.
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Gehly Joel C. (McKean PA), Reflector for multiple source lighting fixture.
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