Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2006-09-19
2006-09-19
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S207000, C313S532000
Reexamination Certificate
active
07109467
ABSTRACT:
A gating module for gating an image intensifier tube. The gating module includes a frequency generator generating a base signal having a base frequency. A modulator spread-spectrum modulates the base frequency of the base signal to generate a modulated signal. A gating circuit coupled to the modulator generates a gating signal in response to the modulated signal.
REFERENCES:
patent: 6576884 (2003-06-01), Ostromek et al.
patent: 2002/0195547 (2002-12-01), Ostromek et al.
LTC6902 datasheet, “Multiphase oscillator with spread spectrum frequency modulation”, 2003, Linear Technology, pp. 1-16.
Bowen James Hoge
Kominsky Richard Allen
Long Jerry Raymond
Cantor & Colburn LLP
ITT Manufacturing Enterprises Inc.
Luu Thanh X.
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