Display arrangement for charging condition in strobing circuit o

Details Display arrangement for charging condition in strobing circuit o Display arrangement for charging condition in strobing circuit o

1993-07-12

1994-11-01

Gellner, Michael L.

354484, 35412711, 3542891, G03B 726, G03B 1502, G03B 1700

Patent

active

053611098

ABSTRACT:
A display arrangement for the charging condition in a strobing circuit of a photographic camera with a built-in strobe-flash device includes a display lamp, serving to indicate that charging in the strobing circuit has been completed, and a controller for a main switch of the camera. The display lamp is covered by the controller as the controller is moved to turn the main switch OFF, and uncovered again as the controller is moved to turn the main switch ON, in order to bring the camera in a state ready for photographing. Thus, the display lamp is invisible even though the display lamp is on when the main switch is in the OFF state. In this manner, the strobing circuit can be arranged so as to be always charged, and thereby to make charging in the strobing circuit independent from the ON-OFF state of the main switch.

REFERENCES:
patent: 4106037 (1978-08-01), Nakamura et al.
patent: 4130356 (1978-12-01), Yamanaka
patent: 4153355 (1979-05-01), Ikawa et al.
patent: 4260231 (1981-04-01), Kawarada
patent: 4382666 (1983-05-01), Ohtaki et al.
U.S. Application Ser. No. 08/081,526, filed Jun. 23, 1993, entitled Source Voltage Monitor for a Photographic Camera.
U.S. Application Ser. No. 08/071,706, filed Jun. 4, 1993, entitled Film Transporting System for Photographic Camera.
U.S. Application Ser. No. 08/071,703, filed Jun. 4, 1993, entitled Input System for Photographic Camera.
U.S. Application Ser. No. 08/073,171, filed Jun. 8, 1993, entitled Film Transporting System for Photographic Camera.

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