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Patent Searching and Data


Title:
PHOTOGRAPHIC LENS PROVIDED WITH CODING DEVICE OF FIGURE
Document Type and Number:
Japanese Patent JPS5488122
Kind Code:
A
Abstract:
An interchangeable lens 1 has one end adapted for insertion into a complementary socket in a camera body which is provided with contact pins connected to an exposure meter circuit arranged within the camera body. The inserted end is provided with a contact bridge 5 which, when the objective is mounted on the camera, comes into contact with at least one of the contact pins within the camera. The bridge 5 serves as a coded contact arrangement which, according to the contact code selected, determines the parameters of the data fed through the contact pins to the exposure meter. The bridge 5 may support insulating plates 9 whereby one or more of the pins are not brought into electrical connection with the bridge.

Inventors:
FUBERUTOUSU RAIMAN
BUERUNAA HAAN
JIIKUFURIITO SHIYUUTSUE
HANSU IEEMURITSUHI
Application Number:
JP13686278A
Publication Date:
July 13, 1979
Filing Date:
November 08, 1978
Export Citation:
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Assignee:
PENTACON DRESDEN VEB
International Classes:
G03B7/20; G03B17/14; G03B17/18; (IPC1-7): G03B17/18