Digital frequency display device

Details Digital frequency display device Digital frequency display device

1977-02-11

1978-07-25

Yusko, Donald J.

Communications: electrical

Digital comparator systems

324 78D, 340324R, G06F 314, G08B 536, G08B 2300

Patent

active

041032900

ABSTRACT:
A digital frequency display device includes a counter for counting a frequency to be displayed, a latch circuit for temporarily storing a plurality of digit signals from the counter and for outputting the digit signals in response to the latch pulses, a decoder for decoding the digit signals from the latch circuit into another coding system, a display section for visually displaying the digit signals decoded from the decoder, a gate for preventing the latch pulses from reaching the latch circuit at undesired times and a digit eraser for erasing any one of the digits of the numerals representing the frequency displayed when the latch pulses feeding to the latch circuit is blocked by the gate means.

REFERENCES:
patent: 3749896 (1973-07-01), Munt
patent: 3764984 (1973-10-01), McCartney
patent: 3885218 (1975-05-01), Pfab
patent: 3925777 (1975-12-01), Clark

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