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Class 331/130 - Plural gaseous devices


Subclass of Class 331 - Oscillators
Definition: Oscillators wherein the capacitor or inductor charge or
No. of patents: 2
Last issue date: 03/06/2007


NumberTitleIssue Date
7187244Digital light ballast oscillator
An oscillator for a power converter control outputs a pulse train based on a charging time of a capacitor linked to a variable current source. A digital to analog converter (DAC) controls the variable current source in conjunction with a switch to determine the char... 		03/06/2007
7170309TDDB test pattern and method for testing TDDB of MOS capacitor dielectric
A Time Dependent Dielectric Breakdown (TDDB) test pattern circuit, which can reduce testing time and statistically improve a precision of measurement as well as a method for testing the test pattern circuit are discussed. Typically, a test pattern circuit includes i... 		01/30/2007
 
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