Code plate

Details Code plate Code plate

1983-08-29

1987-01-27

Perkey, William B.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

354400, 340347P, 250231SE, G03B 310, G01D 5249

Patent

active

046391088

ABSTRACT:
A code plate for a camera comprises parts arranged in various two-dimensional shapes highly suited for an automatic focus control system for a zoom lens.

REFERENCES:
patent: Re29276 (1977-06-01), Mitani et al.
patent: 2796598 (1957-06-01), Cartwright
patent: 3797029 (1974-03-01), Sorimachi et al.
patent: 4410949 (1983-10-01), Huellinghurst et al.
patent: 4422065 (1983-12-01), Radomirov et al.
patent: 4423958 (1984-01-01), Schmitt
patent: 4439672 (1984-03-01), Salaman
patent: 4442423 (1984-04-01), Urbanik
patent: 4445110 (1984-04-01), Breslow
patent: 4465928 (1984-08-01), Breslow
patent: 4504832 (1985-03-01), Conte
IBM Technical Disclosure Bulletin, "Automatic Code Generator", T. L. Vinson, vol. 16, No. 9, Feb. 1974, pp. 3012-3013.

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