Image viewing device
First Claim
1. An image viewing device, comprising:
- a member having an area defining an aperture, light rays from the image entering through the aperture; and
an optical block comprised of a refractive material, the optical block being located adjacent to the aperture, the optical block being capable of compressing the light rays from the image that pass through the aperture so as to produce an image comprising at least a 180°
field of view.
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Accused Products
Abstract
An image viewing device is described which is capable of producing images comprising at least a 180° field of view, also referred to as fisheye images. The device employs an extremely small aperture in conjunction with an optical block comprised of a refractive material. The light rays from an image pass through the aperture whereupon they are compressed in angle by the optical block to produce the fisheye image. An optional image intensifier may be employed to enhance the image produced by the optical block. Additionally, optional filters, viewers, and recording devices may be employed to enhance the image produced as well as to provide a permanent record of any images produced. The image viewing device is capable of producing high resolution color, black and white, and monochromatic fisheye images under various weather and lighting conditions.
8 Citations
36 Claims
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1. An image viewing device, comprising:
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a member having an area defining an aperture, light rays from the image entering through the aperture; and
an optical block comprised of a refractive material, the optical block being located adjacent to the aperture, the optical block being capable of compressing the light rays from the image that pass through the aperture so as to produce an image comprising at least a 180°
field of view.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An optical device comprising:
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a member defining an aperture operable to permit light rays to pass therethrough; and
an optical block having a first surface disposed adjacent to the aperture and a second surface opposite the first surface, the optical block including refractive material operable to compress light rays passing through the aperture and produce an image at the second surface. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification