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Telecommunications > Receiver Or Analog Modulated Signal Frequency Converter > With Wave Collector (e.g., Antenna) > With Coupling To A Stage Of The Receiver > Including Passive Tuned Circuit Including Passive Tuned CircuitIncluding Passive Tuned Circuit patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.07/13/06 - 20060154636 - Tracking filter for tuner A tuner uses a bank of tracking filters to preselect a channel to be received. Each tracking filter covers a range of frequencies. The tracking filters are tunable in frequency using switched capacitors and are tunable in gain by using switched resistors. The switched resistors can be controlled by an ... 03/23/06 - 20060063503 - Receiver and tuner with electronically tuned filter Tuners (2) comprising electronically tuned filters (22,24) like varicap tuned coil-capacitor tank circuits need to be electronically calibrated, without receivers (1) being near. To store calibration signals, said tuners (2) need memories, which do not go well with high-frequency technology. By providing tuners (2) with identifiers for identifying database fields ... ### FreshPatents.com Support |