1987-07-08
1988-04-19
Gellner, Michael L.
G03B 1712
Patent
active
047393564
ABSTRACT:
An electric connector for a camera, the camera having a body and an accessory coupled with each other by their mounts of the mating-to-shift type, and electrically connected to each other by contacting of contact groups on the two mounts with each other when the coupling is complete. Each of the electric contact groups includes at least a contact for ground, a contact for signal and a contact for electrical power. The lengths of all the electric contacts on the accessory device in the coupling-up direction are so determined that, as the shifting of the accessory device in mating with the camera body goes on, the contacts for ground come first to contact with each other, then the contacts for signal to contact with each other and then the contacts for electrical power to contact with each other.
REFERENCES:
patent: 4464034 (1984-08-01), Tomino
patent: 4637704 (1987-01-01), Ishimura et al.
Ogura Shigeo
Takei Masahiro
Canon Kabushiki Kaisha
Gellner Michael L.
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