Title:
STROBOSCOPIC DEVICE FOR FILM UNIT WITH LENS
Document Type and Number:
Japanese Patent JP2001013638
Kind Code:
A
Abstract:
To prevent the unauthorized reutilization of a film unit with lens.
When a rear cover is separated to reload photographic film, the power feed of a stroboscopic device 23 incorporated in the film unit with a lens is temporarily stopped. When the power feed of the device 23 is stopped, charging operation for the device 23 is inhibited by an IC 37 even in the case of restarting the feed. A pulse signal having the previously set number of pulses and a voltage signal showing previously set voltage must be composed and inputted in order to release the inhibition of the charging operation.
Inventors:
HATA KOJI
Application Number:
JP18084399A
Publication Date:
January 19, 2001
Filing Date:
June 25, 1999
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03B15/03; G03B15/05; G03C3/00; (IPC1-7): G03C3/00; G03B15/03; G03B15/05
Attorney, Agent or Firm:
Kazunori Kobayashi
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