Apparatus and methods for deriving a television guide from audio

Details Apparatus and methods for deriving a television guide from audio Apparatus and methods for deriving a television guide from audio

1993-12-27

1998-03-31

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

360 69, H04N 576

Patent

active

057347867

ABSTRACT:
Apparatus and methods for a television guide are provided. The method includes the steps of transmitting a television guide encoded as audio tones, starting to record the transmitted television guide on a VCR tape, decoding audio signals from an audio output on the VCR, commanding the VCR to stop recording in response to a first decoded audio signal, and storing a television guide decoded from audio signals while the VCR is stopped. In another embodiment of the invention a method includes the steps of providing a VCR having a signal input line and a clock having an output as a function of time, entering and storing a channel, time-of-day and length for a program to be recorded by the VCR, comparing the clock output with the time-of-day, commanding the VCR to start recording the channel when the clock output compares with the time-of-day, switching a first signal source to the signal input line when the clock output compares with the time-of-day, decoding a television guide from television signals on the signal input line, storing the television guide, commanding the VCR to stop recording the channel when the clock output minus the time-of-day compares with the length, and switching from the first signal source to a second signal source when the clock output minus the time-of-day compares with the length.

REFERENCES:
patent: 4025851 (1977-05-01), Hasselwood et al.
patent: 4797750 (1989-01-01), Karweit
patent: 4953153 (1990-08-01), Suzuki
patent: 5499103 (1996-03-01), Mankovitz

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