Drive circuit with over-voltage protection for use with pixel ce

Details Drive circuit with over-voltage protection for use with pixel ce Drive circuit with over-voltage protection for use with pixel ce

1998-12-01

2000-11-14

Sherry, Michael J.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361 86, 361 915, 361 56, H02H 320

Patent

active

061478466

ABSTRACT:
A drive circuit that produces an over-voltage signal and protects circuit components from the over-voltage signal (i.e., such that circuit components operate within process specification limits). A photosensitive pixel cell can be driven by the drive circuit. Use of the drive circuit increases dynamic range of the pixel cell and reduces "ghost images." Control logic selectively passes an over-voltage signal to individual rows of a 2-D pixel array.

REFERENCES:
patent: 5471515 (1995-11-01), Fossum et al.
patent: 5631704 (1997-05-01), Dickinson et al.
patent: 5654858 (1997-08-01), Martin et al.
patent: 5721425 (1998-02-01), Merrill
Proceedings of SPIE, "Solid State Sensor Arrays: Development and Applications II", by Morley M. Blouke, vol. 3301, pp 151-157, Jan. 1998.
Scientific American "Working Knowledge", by Michael D. McCreary, Jun. 1998, p. 102.

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