Image sensing microelectronic device with asynchronous...

Details Image sensing microelectronic device with asynchronous... Image sensing microelectronic device with asynchronous...

2011-03-29

2011-03-29

Villecco, John M (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C324S678000

Reexamination Certificate

active

07916196

ABSTRACT:
An analog/digital converter device associated with a detector of an image sensor, including: a comparator capable of receiving the analog signal and delivering a two-states output signal, able to adopt, depending on the analog signal, a first stable state or a second state, a charge injector capable of changing the analog signal by injection of at least one quantity of charges into the capacitor, and a mechanism for commanding the charge injector, capable of receiving the two-state signals and capable of triggering, depending on the two-state signals, plural injections of charges between at least two successive changes in state of the signal, from the first state to the second state and from the second state to the first state.

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patent: 2007/0285300 (2007-12-01), Peizerat
Bedabrata Pain, et al., “Approaches and analysis for on-focal-plane analog-to-digital conversion”, SPIE, vol. 2226, 1994, pp. 208-218.
Lisa G. McIlrath, “A Low-Power Low-Noise Ultrawide-Dynamic-Range CMOS Imager with Pixel-Parallel A/D Conversion”, IEEE, 2001, pp. 846-853.
David X.D. Yang, et al., “A 128×128 Pixel CMOS Area Image Sensor with Multiplexed Pixel Level A/D Conversion”, IEEE, Custom Integrated Circuits Conference, 1996, pp. 303-306.

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