Run-length violation detection circuitry and methods for...

Details Run-length violation detection circuitry and methods for... Run-length violation detection circuitry and methods for...

2006-08-22

2006-08-22

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from run length limited codes

C360S040000, C713S500000

Reexamination Certificate

active

07095340

ABSTRACT:
Circuitry for detecting excessive runs of similar bits of data in a data stream is provided. The data stream is typically received as serial data operating in a serial clock domain. Run-length detection circuitry checks the received data for run-length violations while operating in a slower parallel clock domain, as opposed to the faster serial clock domain. An advantage of operating run-length detection circuitry in the parallel domain is that longer length run-length violations can be searched for in the received data, as compared to run-length detectors that operate in the serial domain. Another advantage offered by the circuitry is that the run-length violation signal can be provided to utilization circuitry asynchronously. This enables utilization circuitry to quickly capture the signal despite differences in clock domains (i.e., the clock domain of the detection circuitry and the clock domain of the utilization circuitry).

REFERENCES:
patent: 4486739 (1984-12-01), Franaszek et al.
patent: 5216677 (1993-06-01), Takagi et al.
patent: 6081395 (2000-06-01), Shin
patent: 6389548 (2002-05-01), Bowles
Pozidis et al. (U.S. Appl. No. 10/140,508), “Signal processor and apparatus for reproducing information”, filed on May 7, 2002.
Yokose (U.S. Appl. No. 10/370,561), “Image Processing Apparatus”, filed on Feb. 24, 2003.
Aung et al. (U.S. Appl. No. 09/805,843), “Clock Data Recovery Circuitry associated with programmable logic device circuitry”, filed on Mar. 31, 2001.

Affiliated with

Also associated with

Rating

Run-length violation detection circuitry and methods for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Run-length violation detection circuitry and methods for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Run-length violation detection circuitry and methods for... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3684138