Signal transmission and reception system

Details Signal transmission and reception system Signal transmission and reception system

1984-08-23

1986-12-30

Ng, Jin F.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 76, 370 30, H04B 140

Patent

active

046335110

ABSTRACT:
A duplex transmission and reception system wherein a local oscillator of the receiver is dispensed with by using the output of a modulated transmission oscillator, with its modulation cancelled, in lieu of a receiver local oscillator. The transmitter modulation signal is adjusted by appropriate level correction and phase inversion. The modulated output of the transmission oscillator is itself applied to a modulator, where it is modulated by the adjusted modulation signal. This results in substantially cancelling out the modulation component of the transmission oscillator output. This modulation-cancelled signal is supplied to the mixer of a superheterodyne receiver as a local oscillator signal.

REFERENCES:
patent: 4186344 (1980-01-01), Higuchi et al.
patent: 4520747 (1985-05-01), Vilmur

Affiliated with

Also associated with

Rating

Signal transmission and reception system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Signal transmission and reception system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal transmission and reception system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1553899