Camera having film counter

Details Camera having film counter Camera having film counter

1996-09-30

1998-03-17

Metjahic, Safet

Photography

Having camera indicator

Film condition indicator

396277, G03B 1736

Patent

active

057297754

ABSTRACT:
A camera having a film counter according to the present invention includes a display device which displays information related to frames of a film; a detector which detects that a battery has been replaced while the camera is loaded with the film; a volatile memory which stores information related to a number of remaining unexposed frames of the film; and a controller which causes the display device to display the number of remaining unexposed frames according to the information stored in the volatile memory until the battery is replaced, and switches the display device to display a frame number in a forward count display, in which a frame number increases for each exposure, in response to a signal generated by the detector upon replacement of the battery.

REFERENCES:
patent: 4312581 (1982-01-01), Miyagawa et al.
patent: 4941005 (1990-07-01), Kameyama et al.
patent: 5019846 (1991-05-01), Goto et al.
patent: 5070357 (1991-12-01), Kazami et al.
patent: 5081483 (1992-01-01), Ishimura et al.
patent: 5293191 (1994-03-01), Umetsu
patent: 5390130 (1995-02-01), Watanabe et al.

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