Camera with magnetic head for recording information on film

Details Camera with magnetic head for recording information on film Camera with magnetic head for recording information on film

1994-03-14

1996-01-02

Gellner, Michael L.

G03B 1724

Patent

active

054813220

ABSTRACT:
A camera for magnetically recording predetermined information in a magnetic recording area of a film is provided with a magnetic head to be maintained in contact with the magnetic recording area of the film for magnetically recording predetermined information in the magnetic recording area; a power supply holding device for starting power supply by turning on a half-stroke depression switch in response to a half-stroke depression of a shutter release button, holding the power supply at least until the lapse of a predetermined period after the cancellation of the half-stroke depression and terminating the power supply only after the lapse of the predetermined period; and a head contact/retracting device for contacting the magnetic head with the magnetic recording area of the film and retracting the magnetic head from the magnetic recording area; and a controller for controlling the head contact/retracting device in such a manner as to maintain the magnetic head in a contact position in contact with the magnetic recording area during the power supply holding by the power supply holding device, and in a retracted position retracted from the magnetic recording area when the holding of power supply is terminated.

REFERENCES:
patent: 4642717 (1987-02-01), Matsuda et al.
patent: 4832275 (1989-05-01), Robertson
patent: 4864332 (1989-09-01), Harvey
patent: 4996546 (1991-02-01), Pagano et al.
patent: 5014078 (1991-05-01), Kudo et al.
patent: 5016030 (1991-05-01), Dwyer et al.

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