Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1998-06-29
2000-12-05
Ham, Seungsook
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
348 36, H04N 700
Patent
active
061570184
ABSTRACT:
An omnidirectional vision sensor, which consists of a rotationally symmetrical convex mirror and a camera arranged opposite to the mirror, with clear and high quality image without having any disturbance due to the internal reflection of the light raised on the inner surface of the cylinder. The rays of light which internally reflect inside the cylinder pass through the production line of the rotational axis of the convex mirror, and thus these rays are eliminated before they reach the inner surface of the transparent cylinder. A tapered object on the vertex of the convex mirror is used to completely eliminate inner reflected rays of light.
REFERENCES:
patent: 5760826 (1998-06-01), Nayar
patent: 5920337 (1999-07-01), Galssman et al.
Forefront of Automation Technology; "Development of Omnidirectional Visual Sensor for Movable Robot"; Issei Yamazawa, et al.--with English Explanation, 1997.
Omnidirectional Visual Sensor Using Hyperboloidal Mirror; Hyper Omni Vision; "Camera capable of taking pictures of 360.degree. in girth in real time"; Issei Yamazawa, et al.--with English Explantation, Nov. 1996.
News Release; "Development of 360.degree. Visual System" Capable of Enlarging Images to Attract Attention; Mitsubishi Electric Co., Ltd., Jul. 1996.
"Omnicamera: Omnidirectional Video Camera"; Comments to Omnicamera; 1997, Columbia University.
The ParaCamera System by CycloVision Technologies, Inc.; "360.degree. Real-Time Video".
Ishiguro Hiroshi
Nishihara Osamu
Ham Seungsook
Pyo Kevin
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