Time data processing apparatus

Details Time data processing apparatus Time data processing apparatus

1979-02-14

1980-12-09

Smith, Jerry

Boots, shoes, and leggings

G06F 748, G06F 1502, G04B 1930

Patent

active

042388325

ABSTRACT:
A time data processing apparatus comprises a time-keeping memory for storing time data, a time-keeping circuit for renewing the time data read out from the time-keeping memory and writing the renewed time data into the time-keeping memory, repeatedly at predetermined regular intervals, and a central processing unit being accessible to the time data in the time-keeping memory while the time-keeping circuit does not make the time-keeping memory accessed.

REFERENCES:
patent: 3813533 (1974-05-01), Cone et al.
patent: 3816730 (1974-06-01), Yamamoto et al.
patent: 4035627 (1977-07-01), Dickinson et al.
patent: 4093992 (1978-06-01), Kawamura et al.

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