H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/36, 350/58
H04N 9/64 (2006.01) H04N 5/46 (2006.01)
Patent
CA 1252880
- 1 - Abstract A multi-system television receiver adapted to receive television signals of the PAL system, the NTSC system and the SECAM system with a plurality of different subcarrier wave frequencies, includes a frequency detecting circuit for detecting the frequency of the subcarrier wave of the television signal for producing frequency data representing the detected frequency. A system detecting circuit detects the system of the television signal and produces system data representing the detected system. A channel change detecting circuit detects a channel change. A holding circuit holds the frequency data and the system data upon a change of channel detected by the detecting circuit. Television circuits are adapted to comply with the broad- cast system of the received television signal as determined by the frequency data and the system data.
482033
Kirby Eades Gale Baker
Sharp Kabushiki Kaisha
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