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| Number | Title | Issue Date |
| 6952139 | Oscillator and electronic apparatus using the same An oscillator operated with an external power source or an external save power source is provided comprising: a clock signal generation unit for generating and outputting a clock signal; a power-on detection unit for detecting the power-on of the external power sour... | 10/04/2005 |
| 6515550 | Bipolar ring oscillator with enhanced startup and shutdown A ring oscillator, such as a bipolar ring oscillator with enhanced, fast startup and shutdown includes a series of a plurality of inverting differential stages connected in a loop. The plurality of inverting differential stages includes a first multiplexe... | 02/04/2003 |
| 5142248 | Plural selectable RF oscillators for supplying capacitive loads An oscillation circuit having multiple separately addressable oscillator stages for applying RF voltage across selected capacitive loads where each stage includes a power driver, a transformer and a quench/clamp circuit. The oscillation circuit includes o... | 08/25/1992 |
| 4972438 | Self-oscillating transmitter A device for use as a self-oscillating Class D transmitter is disclosed which uses feedback to maintain the oscillation at the resonant frequency of the device, thereby optimizing the efficiency of operation and overcoming the frequency mismatching inhere... | 11/20/1990 |
| 4578649 | Random voltage source with substantially uniform distribution A Gaussian noise generator having a sample and hold circuit connected to the output thereof for providing random voltage samples, a voltage controlled oscillator controlled by the random voltage samples and providing a linear 10 sawtooth output having a f... | 03/25/1986 |
| 4099137 | High speed phase lock control for frequency switching A digitally controlled microwave phase lock loop for switching rapidly from one lock frequency to another is disclosed. A digital word corresponding to a desired input voltage for a selected frequency is converted to an analog voltage for application to t... | 07/04/1978 |
