Monitoring system for recording device
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United States of America Patent
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-
Jan 28, 2003
Issued Date -
N/A
app pub date -
May 17, 2001
filing date -
Jan 22, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system determines an operating mode of a recording/playing device. The device generates a recording indicating signal during recording and operates in conjunction with a receiver. The system includes a tuning means for tuning to a program signal; four signal acquiring means for acquiring four signals; and determining means coupled to all four signal acquiring means for determining an operating mode of the device, based on the four acquired signals. The first of the four signals is acquired from an output of the device. The second signal is acquired from an output of the tuner. The third signal is acquired from an output of the receiver. The fourth signal is the recording indicating signal.
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