Signals and indicators – Navigation devices
Patent
1975-09-05
1977-08-02
Safourek, Benedict V.
Signals and indicators
Navigation devices
1161241R, 116DIG29, 324 78Q, 324 96, 334 86, 340324R, H03J 314, H04B 116
Patent
active
040399567
ABSTRACT:
An electronic frequency indicator for an AM/FM receiver utilizing a plurality of light-emitting diodes. The intensity of the diodes is varied to achieve greater resolution for the number of diodes in the indicator.
REFERENCES:
patent: 3365669 (1968-01-01), Funaki et al.
patent: 3673499 (1972-06-01), Avins et al.
patent: 3732498 (1973-05-01), Beckman et al.
patent: 3795863 (1974-03-01), Umeda et al.
patent: 3796951 (1974-03-01), Joseph
patent: 3882399 (1975-05-01), Karpowycz et al.
patent: 3895301 (1975-07-01), Kazuo et al.
patent: 3896386 (1975-07-01), Ohsawa
patent: 3987392 (1976-10-01), Kugelmann
"Sensitive F-M Tuning Indicator" -- J. Skingley -- June 1974, Wireless World, vol. 80, No. 1462, pp. 173-174.
Franklin Mark A.
Shimanek Ronald W.
Bookbinder Marc E.
Duke Albert F.
General Motors Corporation
Safourek Benedict V.
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