Solid state image sensing apparatus, camera using the apparatus,

Details Solid state image sensing apparatus, camera using the apparatus, Solid state image sensing apparatus, camera using the apparatus,

1998-04-28

2000-10-10

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

348220, 348302, H01L 2700

Patent

active

061304204

ABSTRACT:
A solid state image sensing apparatus comprising: a solid state image sensing device operated selectively either in an all-pixel read-out mode in which signal charges of all pixels represented by the devices are read therefrom individually at the same time, or in a thinned read-out mode in which the signal charges are read only from part of vertical pixel columns formed by the devices; and a frequency varying unit for varying a driving frequency of the solid state image sensing device depending on the operating mode in effect. When used illustratively in a camera, the inventive apparatus reduces power dissipation without affecting the number of pictures output per unit time.

REFERENCES:
patent: 5539455 (1996-07-01), Makioka
patent: 5828406 (1998-10-01), Parulski et al.
patent: 5909247 (1999-06-01), Hosokai et al.

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