Readout chip with binary counter for fast single photon...

Details Readout chip with binary counter for fast single photon... Readout chip with binary counter for fast single photon...

2006-11-20

2011-10-18

Legasse, Jr., Francis M (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140RC, C250S370080, C250S370090, C377S053000

Reexamination Certificate

active

08039784

ABSTRACT:
A readout chip for single photon counting has a plurality of N individually working channels each assigned to a respective detector diode. Each channel has a counter designed as a binary counter having a length of M bits and a number of programmable bits. Further, the readout chip has a serial shift register or parallel data input register for entering values for the counter and the programmable bits, and a number of data output shift registers each having a number of K data outputs. Means are provided for selectively multiplexing each of the K data outputs onto a selectable bit of the data output shift register.

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patent: 6028630 (2000-02-01), Fukui et al.
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patent: 0 505 324 (1992-09-01), None
patent: 59122180 (1984-07-01), None
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patent: WO 2004/064168 (2004-07-01), None

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