Numeric character indicator

Details Numeric character indicator Numeric character indicator

1974-06-03

1976-03-16

Swisher, S. Clement

Signals and indicators

Bells

Gong type

40130E, 313513, H03J 104

Patent

active

039438813

ABSTRACT:
A TV channel indicator is disclosed where the channel numbers 1 to 9 are indicated substantially in the center part of the indicator, which also coincides with that of the channel numbers 10 to 99.

REFERENCES:
patent: 3174144 (1965-03-01), O'Neil
patent: 3343155 (1967-09-01), Pahlavan
patent: 3737707 (1973-06-01), Yanagisawa
patent: 3781863 (1973-12-01), Fujita
patent: 3789388 (1974-01-01), Medwin

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