Fixed rate constrained channel code generating and recovery meth

Details Fixed rate constrained channel code generating and recovery meth Fixed rate constrained channel code generating and recovery meth

1983-01-28

1986-01-28

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

370 98, H03K 1324

Patent

active

045674647

ABSTRACT:
The generation of NRZ representations of RLL encoded datastreams utilizes a length oriented arithmetically recursive RLL encoder whose finite state encoding transition space has assigned RLL symbols to state transitions. By constraining the paths, and hence restricting the set of allowable RLL symbol streams, then selectable notch frequencies in the spectra of the NRZ representation can be secured. Recovery of data is obtained by the logical dual of this process. Also, a NRZ bit stream representation exhibits a frequency spectrum notched at f/kn Hertz if k NRZ source codestreams are k-way interleaved.

REFERENCES:
patent: 3133280 (1964-05-01), Crater
patent: 3508197 (1970-04-01), Tong
patent: 3689899 (1972-09-01), Franaszek
patent: 4028535 (1977-06-01), Franaszek et al.
patent: 4122440 (1978-10-01), Langdon et al.
patent: 4330799 (1982-05-01), Price
patent: 4488143 (1984-12-01), Martin
Franaszek, "Sequence State Methods for Run Length Limited Coding", IBM Journal of Research & Development, pp. 376-383, Jul. 1970.

Affiliated with

Also associated with

Rating

Fixed rate constrained channel code generating and recovery meth does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fixed rate constrained channel code generating and recovery meth, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fixed rate constrained channel code generating and recovery meth will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1309016