Oscillator with temperature control

Details Oscillator with temperature control Oscillator with temperature control

2006-10-17

2006-10-17

Shingleton, Michael B (Department: 2817)

Oscillators

With device responsive to external physical condition

Temperature or light responsive

C331S176000, C331S143000, C365S222000

Reexamination Certificate

active

07123105

ABSTRACT:
An oscillator circuit includes a capacitor device, a current source for supplying a current to the capacitor device, a reference voltage, and a control circuit. The reference voltage is a first input to a comparator. An output of the capacitor device and an output of the current source are a second input to the comparator. The control circuit resets the oscillator circuit when the first and second inputs to the comparator are equal.

REFERENCES:
patent: H000965 (1991-09-01), Davis et al.
patent: 6859750 (2005-02-01), Frazier
patent: 2002/0075083 (2002-06-01), Rashid
patent: 2003/0156483 (2003-08-01), Feurle et al.
patent: 2005/0134393 (2005-06-01), Kim et al.

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