Information recording device

Details Information recording device Information recording device

1994-03-10

1995-12-12

Gellner, Michael L.

C03B 1724

Patent

active

054754550

ABSTRACT:
In a camera comprising a CPU, a film feeding section, a serial data clock creating circuit section, a PPM conversion circuit section, a photographic information output circuit section, and a magnetic head drive section, the CPU produces a reference clock CLK depending on a film winding speed in the film feeding section, and the serial data clock creating circuit section creates a serial data clock SCK corresponding to the reference clock CLK. The CPU converts photographic information from the photographic information output circuit section into serial data and outputs the serial data in synchronization with the serial data clock SCK. Based on the serial data and the reference clock CLK both from the CPU, the PPM conversion circuit section converts photographic information into a PPM signal and outputs the PPM signal to the magnetic head drive section for magnetically recording it on a film.

REFERENCES:
patent: 4963917 (1990-10-01), Takeguchi et al.
patent: 5142310 (1992-08-01), Takeguchi et al.
patent: 5191489 (1993-03-01), Isozaki
patent: 5218392 (1993-06-01), Sakamoto et al.
patent: 5296889 (1994-03-01), Imai
patent: 5313236 (1994-05-01), Isokawa

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