High speed CMOS image sensor circuits with memory readout

Details High speed CMOS image sensor circuits with memory readout High speed CMOS image sensor circuits with memory readout

2005-10-04

2010-02-09

Tran, Nhan T (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S300000, C348S301000, C348S302000, C250S208100, C341S155000

Reexamination Certificate

active

07659925

ABSTRACT:
An image sensor circuit includes a pixel array, a plurality of column analog-to-digital conversion (ADC) circuits, and at least two memory blocks. Each column ADC circuit is connected to receive analog pixel signals provided from corresponding pixel circuits of the pixel array, and is configured to convert the received analog pixel signals into digital pixel signals. Each memory block is connected to receive digital pixel signals provided from corresponding column ADC circuits of the plurality of column ADC circuits. At least two of the at least two memory blocks are connected to receive digital pixel signals that are provided from corresponding column ADC circuits that are located to a same side of the pixel array. Each memory block of the at least two memory blocks includes a plurality of memory cells, one or more sense amplifiers connected to the memory cells by a readout bus, and a memory controller.

REFERENCES:
patent: 5757520 (1998-05-01), Takashima
patent: 6115065 (2000-09-01), Yadid-Pecht et al.
patent: 6137432 (2000-10-01), Xiao
patent: 6545624 (2003-04-01), Lee et al.
patent: 6552745 (2003-04-01), Perner
patent: 6573936 (2003-06-01), Morris et al.
patent: 6661457 (2003-12-01), Mathur et al.
patent: 6870565 (2005-03-01), Blerkom et al.
patent: 7408443 (2008-08-01), Nam
patent: 7488928 (2009-02-01), Krymski
patent: 7489357 (2009-02-01), Nakada
patent: 2003/0011829 (2003-01-01), Dierickx
patent: 2003/0043089 (2003-03-01), Hanson et al.
patent: 2001-024954 (2001-01-01), None
S. Kleinfelder, S.H. Lim, X.Q. Liu and A. El Gamal, “A 10,000 Frames/s CMOS Digital Pixel Sensor, ”IEEE Journal of Solid State Circuits, vol. 36, No. 12, pp. 2049-2059, Dec. 2001.
PCT International Search Report and Written Opinion report dated Aug. 29, 2007 from corresponding PCT application PCT/US06/38643.
A. Krymski et al., “A High Speed, 500 Frames/s, 1024×1024 CMOS Active Pixel Sensor”, 1999 Symposium on VLSI Circuits Digest of Technical Papers, 1999, Kyoto, Japan, pp. 137-138.

Affiliated with

Also associated with

Rating

High speed CMOS image sensor circuits with memory readout does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High speed CMOS image sensor circuits with memory readout, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High speed CMOS image sensor circuits with memory readout will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4194345