Camera with control apparatus for charging storage capacitor for

Details Camera with control apparatus for charging storage capacitor for Camera with control apparatus for charging storage capacitor for

1989-04-19

1991-01-29

Hix, L. T.

354471, G03B 700

Patent

active

049890298

ABSTRACT:
A control unit for charging capacitor for flash emission of a camera having an indication of "CHARGING" in a finder comprises a charging level detecting circuit for detecting level of charging of a capacitor for emitting flash, and a timer for measuring a time period required for charging the capacitor to a prescribed level when the charging level is lower than a prescribed flash emission level. The indication of the finder is controlled such that the "CHARGING" indication is not given when the time required for charging is shorter than the prescribed time period.

REFERENCES:
patent: 4200371 (1980-04-01), Suzuki et al.
patent: 4201463 (1980-05-01), Harigaya et al.
patent: 4290677 (1981-09-01), Baumeister
patent: 4458996 (1984-07-01), Harigaya et al.
patent: 4628229 (1986-12-01), Inoue
patent: 4630916 (1986-12-01), Ishiguro et al.
patent: 4676625 (1987-06-01), Alyfuki
patent: 4777507 (1988-10-01), Dunsmore et al.

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