Charge transfer device

Details Charge transfer device Charge transfer device

1996-03-07

1997-03-18

Peng, John K.

Television

Camera, system and detail

Solid-state image sensor

348243, 348251, 358461, H04N 5335

Patent

active

056127391

ABSTRACT:
A charge transfer device including a charge input portion for inputting a reference charge, a charge transfer portion for receiving and transferring the reference charge, and a conversion portion converting the reference charge outputted from the charge transfer portion into a reference voltage. The reference charge input portion may be arranged to generate a reference charge. Alternatively, the reference charge may be externally generated. The charge transfer device may further include a signal charge input portion for inputting signal charges to the charge transfer portion. The signal charge input portion may be arranged to generate signal charges corresponding to incident light. Signal charges externally generated may be inputted to the signal charge input portion. The charge transfer device enables a charge-output voltage characteristic to be accurately detected at all times without any problem. It is also possible to accurately control the charge-output voltage characteristic.

REFERENCES:
patent: 3979582 (1976-09-01), Mims
patent: 4375059 (1983-02-01), Schlig
patent: 4412343 (1983-10-01), Kosnocky
patent: 4602291 (1986-07-01), Temes
patent: 4675549 (1987-06-01), Steffe et al.
patent: 4839729 (1989-06-01), Ando et al.
patent: 4914519 (1990-04-01), Hashimoto et al.
patent: 5278658 (1994-01-01), Takase

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