Sensors and sensor circuits which convert sense currents to...

Details Sensors and sensor circuits which convert sense currents to... Sensors and sensor circuits which convert sense currents to...

2004-09-30

2008-05-13

Dinh, Duc Q (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S102000, C345S087000, C349S077000

Reexamination Certificate

active

07372448

ABSTRACT:
A sensor circuit, e.g., a circuit for use with a sensor that develops a current responsive to temperature, includes a digital to analog (D/A) comparison circuit having an analog sense current input and a digital input, the D/A comparison circuit operative to compare a digital value at the digital input to a sense current at the sense current input and to responsively generate a comparison signal. The sensor circuit further includes a control circuit configured to provide digital values to the digital input of the D/A comparison circuit responsive to the comparison signal and to generate a digital output corresponding to the sense current.

REFERENCES:
patent: 5936603 (1999-08-01), Lippmann et al.
patent: 6300945 (2001-10-01), Engler et al.
patent: 7038647 (2006-05-01), Shigeta et al.
patent: HEI 11-174416 (1999-07-01), None
patent: HEI 15-207763 (2003-07-01), None
Notice to Submit Response, Korean Application No. 10-2003-0067909, Jun. 30, 2005.

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