Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1986-03-12
1987-07-21
Adams, Russell E.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
354288, 324 73PC, G03B 700
Patent
active
046814213
ABSTRACT:
The disclosed double-face flexible printed circuit board arranged in a precision apparatus such as a camera has a circuit pattern to electrically check the electrical circuit elements mounted thereon. The electrical check circuit pattern is disposed on one side of the board. The electrical circuit elements are mounted in flat package state on the side of the board opposite the side having the electrical check circuit pattern.
REFERENCES:
patent: 3830956 (1974-08-01), Wootton et al.
patent: 3846805 (1974-11-01), Kiyonara et al.
patent: 4359277 (1982-11-01), Shimizu et al.
"Flexible Circuits Bend to Designers' Will", Electronics, Sep. 15, 1977, pp. 97-105.
Tokura Go
Yamada Akira
Adams Russell E.
Canon Kabushiki Kaisha
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