Arrangement for imaging a useful signal from the frame of a firs

Details Arrangement for imaging a useful signal from the frame of a firs Arrangement for imaging a useful signal from the frame of a firs

1991-05-09

1994-05-17

Kuntz, Curtis

Pulse or digital communications

Spread spectrum

Direct sequence

375112, 370102, H04L 2536

Patent

active

053135024

ABSTRACT:
A circuit arrangement for imaging a useful digital signal from a frame of a first digital signal having a first bit rate into a frame of a second digital signal having a second bit rate, where the useful digital signal had been written into a first elastic memory and then read out of the first elastic memory in the frame of the first digital signal using a pulse stuffing technique, and with the frame of the first digital signal containing data representing the average fill level of the first elastic memory. The arrangement includes a second elastic memory, a frame detector for detecting the frame of the first signal and controlling activation of write-in of the useful digital signal from the frame of the first digital signal to the second elastic memory, and a frame generator which generates the frame of the second digital signal and controls activation of stuffing and of read-out of the useful digital signal from the second elastic memory into the frame of the second digital signal. An integrator determines the average fill level of the second elastic memory and a subtracter determines the difference between the average fill levels of the first and second elastic memories. This digital difference is fed to a digital control circuit, which includes a digital filter and a pulse density modulator that makes a stuffing decision as a function of the output of the digital filter. Each stuffing decision is input to the frame generator.

REFERENCES:
patent: 4352181 (1982-09-01), LeDieu et al.
patent: 4596026 (1986-06-01), Cease et al.
patent: 4731646 (1988-03-01), Kliem
patent: 4941156 (1990-07-01), Stein et al.
patent: 5052025 (1991-09-01), Duff et al.

Affiliated with

Also associated with

Rating

Arrangement for imaging a useful signal from the frame of a firs does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Arrangement for imaging a useful signal from the frame of a firs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Arrangement for imaging a useful signal from the frame of a firs will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-883298