Pulse generator having simplified conductor arrangement

Details Pulse generator having simplified conductor arrangement Pulse generator having simplified conductor arrangement

1996-09-09

1998-08-04

Metjahic, Safet

Photography

With film drive

Film movement limiting means

396542, 341 16, G03B 1700

Patent

active

057909091

ABSTRACT:
A pulse generator includes a code plate which is provided with a plurality of grounding land portions and a plurality of pulse generating land portions having a potential different from a potential of the grounding land portions, arranged in a direction of rotation about a specific position, and a pair of interconnected contact terminals which are rotated in one direction about the specific position of the code plate to come successively into contact with the grounding land port ions and the pulse generating land portions. The positional relationship between the contact terminals and the grounding land portions and the pulse generating land portions is such that when one of the contact terminals comes into contact with the pulse generating land portions during the rotation of the contact terminals, the other contact terminal is brought into contact with the grounding land portion.

REFERENCES:
patent: 4135065 (1979-01-01), Nicot
patent: 4522506 (1985-06-01), Owa
patent: 4687308 (1987-08-01), Someya
patent: 4742367 (1988-05-01), Amano et al.
patent: 4816851 (1989-03-01), Fukahori et al.
patent: 4918474 (1990-04-01), Kawamura et al.
patent: 5016031 (1991-05-01), Shimada et al.
patent: 5369230 (1994-11-01), Misawa
patent: 5596381 (1997-01-01), Murakami et al.

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