Signal defect detection and compensation with signal de-emphasis

Details Signal defect detection and compensation with signal de-emphasis Signal defect detection and compensation with signal de-emphasis

1977-04-20

1978-10-10

Cardillo, Jr., Raymond F.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

179 1P, 1791001B, 1791004M, 358128, 360 38, H04B 1500

Patent

active

041198123

ABSTRACT:
Information processing system, for use with a source of carrier waves modulated with audio information, includes in respective audio channels a demodulator and for recovery of the audio information and track-and-hold amplifiers. Separate circuits are provided for detecting carrier drop-outs and impulse noise occurrences. The output of the detecting circuits is utilized to control the operation of the track-and-hold amplifiers to effect a masking of these occurrences. Signal de-emphasis is accomplished in each channel by means of two separate filters respectively arranged to operate on the input and output signal of the track-and-hold amplifier to minimize noise input to the track-and-hold amplifier.

REFERENCES:
patent: 3936619 (1976-02-01), Sugimoto et al.
patent: 3947636 (1976-03-01), Edgar
patent: 4017677 (1977-04-01), Baker
patent: 4017678 (1977-04-01), Baker
patent: 4021852 (1977-05-01), Hurst
patent: 4038686 (1977-07-01), Baker

Affiliated with

Also associated with

Rating

Signal defect detection and compensation with signal de-emphasis 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 defect detection and compensation with signal de-emphasis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal defect detection and compensation with signal de-emphasis will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1767845