Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1997-04-28
1999-09-14
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
4551931, 455290, 334 55, H04B 116
Patent
active
059536420
ABSTRACT:
In a system for contactless power and data transmission, a transmitting or receiving station has at least one transmitting or receiving resonant circuit which is driven by an integrable control circuit. The integrated control circuit has a multiplicity of capacitors which can be switched in, in parallel with the resonant circuit. A device is provided for driving the switching device.
REFERENCES:
patent: 4339827 (1982-07-01), Torres et al.
patent: 4794650 (1988-12-01), Yokoyama
Feldtkeller Martin
Greiderer Reinhard
Marquardt Kurt
Nolles Jurgen
Reiner Robert
Bhattacharya Sam
Eisenzopf Reinhard J.
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
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