Optical: systems and elements – Mirror – Plural mirrors or reflecting surfaces
Patent
1991-01-24
1992-04-07
Arnold, Bruce Y.
Optical: systems and elements
Mirror
Plural mirrors or reflecting surfaces
359871, 250221, 340567, G02B 508, G01V 904, G08B 1318
Patent
active
051033461
ABSTRACT:
A detector with 180.degree. detecting range, including a base, a housing, a detecting lens, a drive circuit, a sensor and a signal deflector, wherein said base is L-shaped and located at a detecting position, a hole being formed on the base, a projection being formed on the housing corresponding to the hole of the base, the projection being fitted in the hole, permitting the housing to be rotated and adjusted, a semicircular detecting opening being formed at front end of the housing, the detecting lens being disposed in the detecting opening, a drive circuit being disposed in the housing, the sensor being fitted in the signal deflector and mounted on a base board of the drive circuit, a signal receiving opening being formed in front of the signal deflector to aim at the sensor, by means of the signal deflector, a signal within dead corner over 120.degree. range being deflected toward the signal receiving opening so that the detecting range of the detector is enlarged to 180.degree..
REFERENCES:
patent: 4268752 (1981-05-01), Herwig et al.
patent: 4644147 (1987-02-01), Zublin
patent: 4703171 (1987-10-01), Kahl et al.
patent: 4876445 (1989-10-01), McMaster
patent: 4920268 (1990-04-01), Walters et al.
patent: 5015994 (1991-05-01), Hoberman et al.
Arnold Bruce Y.
Everspring Industry
Phan James
LandOfFree
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