1980-09-10
1982-12-07
Hickey, R. J.
179 1GE, 179 1GJ, H04H 500
Patent
active
043629067
ABSTRACT:
An FM receiver in which the length of the signal path is significantly shortened and in which separation between right and left channels is implemented by adjusting a DC bias voltage. A pulse train signal having a frequency dependent upon the instantaneous frequency of the received FM signal is generated. Subcarrier signals in and out of phase with a pilot signal component in the pulse train signal are produced and a variable DC component is added thereto. The subcarrier signals including the DC component are multiplied to obtain pulse train signals. The pulse train signals are integrated to yield right and left stereophonic channel signals.
REFERENCES:
patent: 4037056 (1977-07-01), Ienaka et al.
patent: 4300019 (1981-10-01), Toyomaki
Hickey R. J.
Pioneer Electronic Corporation
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