Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1987-03-03
1988-12-27
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
126425, G01J 120
Patent
active
047942452
ABSTRACT:
A radiant energy angle sensor is provided wherein the sensitive portion thereof comprises a pair of linear array detectors with each detector mounted normal to the other to provide X and Y channels and a pair of slits spaced from the pair of linear arrays with each of the slits positioned normal to its associated linear array. There is also provided electrical circuit means connected to the pair of linear array detectors and to separate X and Y axes outputs.
REFERENCES:
patent: 4092072 (1978-05-01), Ellis
patent: 4211922 (1980-07-01), Vaerewyck et al.
patent: 4309106 (1982-01-01), Smith
patent: 4315690 (1982-02-01), Trocellier et al.
patent: 4445030 (1984-04-01), Carlton
Advances In Electronics and Electron Physics, vol. 64A Interpolative Centroiding In CCD-Based Image Photon Counting Systems A. Boksenberg et al, 1985 pp. 33-46.
Applied Research Corporation
Nelms David C.
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