Data recording system for indicating power outage on master and

Details Data recording system for indicating power outage on master and Data recording system for indicating power outage on master and

1978-03-02

1979-02-06

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Recording combined with metering or sensing

360 63, G11B 500, G11B 1512

Patent

active

041386973

ABSTRACT:
A data recording system includes a master tape recorder interconnected to a plurality of slave recorders. Each recorder is adapted to record meter data provided thereto from a meter associated with each recorder. The master recorder includes a timing circuit for effecting the recording of interval marks at periodic intervals on tape of all of the recorders as a time reference for the meter data of each recorder. The timing circuit also includes means for detecting a power outage to the recorders to generate a power outage pulse which effects the writing of a power outage indication by all of the recorders.

REFERENCES:
patent: 3333247 (1967-07-01), Hadley et al.
patent: 3422441 (1969-01-01), Chapsky
patent: 3461429 (1969-08-01), Gray
patent: 4012784 (1977-03-01), Murphy et al
patent: 4084151 (1978-04-01), Penner

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