Camera with auto photographing mode conversion function and meth

Television – Special applications – Simulator

Patent

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Details

3541951, 348358, G03B 300, G03B 1318

Patent

active

054671620

ABSTRACT:
A camera having an auto photographing mode conversion function and method including a switch block having a power switch, a first step release switch, a second step release switch, and a photographing mode conversion switch. The camera includes a zoom position detecting circuit, an automatic distance measuring circuit, and a brightness measuring circuit. A microcontroller receives corresponding signals from the automatic distance measuring circuit, the brightness measuring circuit, and the zoom position detecting circuit. The microcontroller compares a measured distance with respect to an object and a possible photographing distance in accordance with the zoom position of the lens groups, produces a signal to drive all the lens groups to a suitable photographing position in accordance with the measured distance, and carries out the photographing operation. The photographing operation is carried out using auto conversions between macro and normal photographing modes and without any mechanical operation. The lens system is designed to allow the lens operation states of the macro and normal photographing to be the same.

REFERENCES:
patent: 5363164 (1994-11-01), Kobayashi et al.

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