H - Electricity – 03 – J
Patent
H - Electricity
03
J
365/7
H03J 3/00 (2006.01) H03J 1/04 (2006.01) H03J 5/02 (2006.01)
Patent
CA 1124420
In a tuning system for a television receiver including a memory for storing binary signals representing tuning voltages corresponding to various channels a viewer may select, during a tuning voltage setup mode in which the binary signals representing the tuning voltages are generated in response to viewer control, a multiplexer couples predetermined selected ones of the binary signals representing the tuning voltages to a digital channel number display unit to provide a viewer with an indication of the relative tuning position. The multiplexer also couples binary signals representing the letter "A" to the channel number display during the tuning voltage setup mode to distinguish the tuning voltage setup mode from other modes of operation of the tuning system. In addition, during a channel selection setup mode, in which a viewer selects the channels he does not wish skipped during normal operation of the tuning system, the multiplexer couples binary signals representing the letters "CH" to the channel number display to distinguish the channel selection tuning mode from the tuning voltage setup mode and the normal operating mode.
309751
Morneau Roland L.
Rca Corporation
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