Optical system for optical fiber bundle scanning apparatus专利检索-热辐射器太空飞行器与操作专利检索查询-专利查询网

Optical system for optical fiber bundle scanning apparatus

阅读：0发布：2024-01-14

专利汇可以提供Optical system for optical fiber bundle scanning apparatus专利检索，专利查询，专利分析的服务。并且An elongated optical fiber bundle used in a manual scanning system having a high intensity light source is protected from the adverse effects of the high temperature involved by the optical system disclosed. The proximal end of the fiber bundle is illuminated by light from a source and associated elliptical reflector brought to a focus at the face of the bundle. An annular heat and flare shield is interposed between the light source and the bundle with the aperture about the end of the bundle, preferably the aperture of the shield has a conical wall slightly beyond a conical annulus of the light beam. This annular light configuration is brought about by the imposition of a mirror having a central aperture between the light source and the bundle for permitting light from the bundle to pass directly to a photosensitive device. Heat from light energy passing through the aperture without reflection to the bundle for illumination thereof is dissipated by a heat radiator positioned beyond the mirror aperture. The efficiency of heat radiation is maximized by locating the heat radiator at the focal point of the light energy passing through the mirror aperture.，下面是Optical system for optical fiber bundle scanning apparatus专利的具体信息内容。

权利要求

1. An optical system for use with scanning apparatus having an optical fiber bundle arranged for illuminating a document to be scanned at the distal end and for transmitting reflected light from said document to the proximal end of the bundle comprising an optical bench member, a supporting member for supporting the proximal end of said optical fiber bundle fixed with respect to said bench member, a photosensitive device arranged on said bench member for receiving light from the proximal end of said bundle a mirror arranged on said bench member and interposed between said photosensitive device and the proximal end of said bundle and having a central aperture positioned for passing light therebetween, a source of light and a reflector therefor arranged on said bench member and arranged for directing light onto said mirror and focussing that light at the proximal end of said bundle.

2. An optical system as defined in claim 1 and incorporating, a heat and flare shield arranged on said bench member and having a central aperture about the proximal end of said bundle for transmitting light to said bundle and for radiating heat caused by light energy impinging thereon away from said bundle.

3. An optical system as defined in claim 1 and incorporating a heat radiating element arranged on said bench member and on a side of said mirror remote from said light source and reflector at a distance at which the light passing through said aperture in said mirror is brought to a focus for radiating heat energy caused by the light impinging thereon.

4. An optical system as defined in claim 1 and wherein said mirror is dichroic and reflects light in the frequency spectrum to which said photosensitive device is responsive.

5. An optical system as defined in claim 1 and wherein said reflector is elliptical and said light source is positioned at focal point of said reflector.

6. An optical system as defined in claim 1 and wherein said optical fiber bundle is of the imaging form and an image of that portion of said document is superimposed on said photosensitive device.

7. An optical system as defined in claim 1 and incorporating a tubular focusing reflector arranged at the distal end of said optical fiber bundle.

8. An optical system as defined in claim 7 and incorporating a lens positioned within said tubular focusing reflector for transmitting light reflected from said document only to the distal end of said optical fiber bundle for further transmission to said photosensitive device.

9. An optical system as defined in claim 1 and incorporating a lens interposed between the distal end of said optical fiber bundle and said document.

10. An optical system as defined in claim 9 and wherein said lens is of short focal length.

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Optical system for optical fiber bundle scanning apparatus

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