Electronic clock with a chime system

Details Electronic clock with a chime system Electronic clock with a chime system

1979-11-19

1981-06-02

Jackmon, Edith S.

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

84 103, 84 126, 340384E, 368 10, 368245, 368273, G04C 2112, G04B 4700, G10F 100, G10H 102

Patent

active

042714958

ABSTRACT:
An electronic clock with a chime system has exclusively electronic processing for production of a variety of tone signal sequences consisting of known melodies or portions thereof and time-identifying sequences of strokes. The characteristic values of these tone signal sequences are loaded into a ROM memory and can be recalled, as required, by electronic control and release circuits at each quarter, half, three quarter or full hour. The amplitude of the audio output signals is automatically controlled in accordance with the time of day.

REFERENCES:
patent: 3759029 (1973-09-01), Komaki
patent: 4073133 (1978-02-01), Earls et al.
patent: 4090349 (1978-05-01), Takase
patent: 4101885 (1978-07-01), Blum
patent: 4172359 (1979-10-01), Gorsky et al.

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