Method and apparatus for resetting a high speed latch circuit

Details Method and apparatus for resetting a high speed latch circuit Method and apparatus for resetting a high speed latch circuit

2006-08-29

2006-08-29

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140LS, C331S066000

Reexamination Certificate

active

07098438

ABSTRACT:
A latch circuit includes first and second resonant tunneling diodes coupled in series, and a reset portion having a photodiode portion responsive to varying photonic energy for switching between first and second states which are different. When the photodiode portion is in its first state, the reset portion normalizes a voltage across each of the resonant tunneling diodes.

REFERENCES:
patent: 5953249 (1999-09-01), van der Wagt
patent: 6348887 (2002-02-01), Broekaert
patent: 6509859 (2003-01-01), van der Wagt
patent: 11068521 (1999-03-01), None
Richard H. Mathews, et al., “A New RTD-FET Logic Family”, Proceedings of the IEEE, vol. 87, No. 4, Apr. 1999, pp. 596-605.
Product Data Sheet, “Sampling Phase Detector”, Metelics Corporation, Sunnyvale, California, 6 unnumbered pages, published prior to 2000.
Product Data Sheet, “Sampling Phase Detectors” Alpha Industries, Inc., Woburn, Massachusetts, 3 pages, published prior to 2000.
“Sketch A (Prior Art)”, 1 sheet, author and source unknown.

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