Camera with auto program zoom control and eye sensing control

Details Camera with auto program zoom control and eye sensing control Camera with auto program zoom control and eye sensing control

1991-06-26

1993-04-06

Griffin, Donald A.

354219, G03B 2900, G03B 1302

Patent

active

052007740

ABSTRACT:
In a camera having auto program zoom control, eye sensing control is used to determine if an object is adjacent to a viewfinder. The eye sensing control preferably includes a light emitting source and photocell. Light is emitted at first intervals, if no object is detected as being adjacent to the viewfinder, and light is emitted at second shorter intervals, if an object is detected as being adjacent to the viewfinder. Emitting light at different intervals results in conserving electrical energy.

REFERENCES:
patent: 4603957 (1986-08-01), Suzuki
patent: 4836670 (1989-06-01), Hutchinson
patent: 4951068 (1990-08-01), Ichikawa et al.
patent: 5036347 (1991-07-01), Tsunekawa et al.
patent: 5138354 (1992-08-01), Okada et al.

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