Current signal controlled camera system

Details Current signal controlled camera system Current signal controlled camera system

1982-07-22

1984-04-17

Perkey, William B.

3541731, 354295, G03B 100, G03B 1505, G03B 1700

Patent

active

044430825

ABSTRACT:
A camera system in which information is transmitted between a camera body and an accessory in the form of a current signal is provided. A voltage-to-current converter is provided in at least either one of the camera body and accessory and a current-to-voltage converter is provided in at least the other of the camera body and accessory. Thus, analog information can be transmitted between the camera body and the accessory with high accuracy even if they have separate voltage sources different in level.

REFERENCES:
patent: 4284338 (1981-08-01), Ikuno
patent: 4298260 (1981-11-01), Takayama
patent: 4367936 (1983-01-01), Ichiyanagi

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