Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1979-07-02
1982-06-22
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340715, 340789, G09G 300
Patent
active
043365345
ABSTRACT:
A control signal generator for use with a broadcast receiver having a signal level indicator including a plurality of sequentially actuated luminous elements. The received signal strength is indicated by the number of luminous elements which are lit. The control signal generator is responsive to the signal level indicator to provide control signals for automatic frequency control circuitry and/or muting circuitry. The signal level indicator may include cicuitry for converting arbitrarily selected changes in the received signal to changes the indicator normally detects to thereby effect the sequential actuation of the luminous elements in accordance with the arbitrarily selected changes in the received signal.
REFERENCES:
patent: 3795863 (1974-03-01), Umeda et al.
patent: 3914758 (1975-10-01), Ingle
patent: 3924078 (1975-12-01), Bussey
patent: 3969672 (1976-07-01), Wallander et al.
patent: 4039956 (1977-08-01), Shimanek et al.
Baker Joseph J.
Curtis Marshall M.
Ferguson Jr. Gerald J.
Trio Kabushiki Kaisha
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