Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent
1976-07-15
1977-08-23
Buczinski, S.C.
Optics: measuring and testing
Angle measuring or angular axial alignment
With photodetection remote from measured angle
350 21, 350 22, 356141, 358 87, 358108, 343117R, G01B 1126
Patent
active
040436721
ABSTRACT:
Two optical receiving systems for electromagnetic radiation are provided with separate detectors. The systems are essentially coaxial with the outer system being fixed and the inner system being rotatable. The outer receiving system carries out a first detection of the angle of incidence of the electromagnetic radiation with the help of several detectors, as a panoramic optical system. Then, on the basis of the angle of incidence obtained in this manner, the inner optical system is coarsely positioned to the direction of incidence of the electromagnetic radiation. A fine follow up is then carried out with the help of the inner optical receiving system, the inner system being provided with a smaller receiving opening, and with the help of one or more further detectors in order to obtain the exact direction of incidence.
REFERENCES:
patent: 3147384 (1964-09-01), Fenton et al.
patent: 3448272 (1969-06-01), Slater
patent: 3505465 (1970-04-01), Rees
patent: 3865491 (1975-02-01), Hogan
patent: 3881824 (1975-05-01), Higgins
Buczinski S.C.
Siemens Aktiengesellschaft
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