Method and apparatus for tuning an input signal
US6864680B2 · kind B2 · utility
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4References
28Claims
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Key dates
| Filing date | Dec 24, 2002 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Jan 14, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/485
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of tuning an input signal (S) is described. The method comprises the steps of amplifying the input signal (S) by a gain element (14) having a variable impedance (22) associated therewith and thereby generating an output signal (C), comparing the output signal (C) with a reference voltage (V), tuning the variable impedance (22) such that the impedance is increased if the amplitude of the output signal (C) is smaller than the reference voltage (V), and that the impedance is decreased if the amplitude of the output signal (C) is greater than the reference voltage (V).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.