Resources Contact Us Home
Browse by Category: Main > Information Technology
Class Information
Number: 341/74
Name: Coded data generation or conversion > Digital code to digital code converters > To or from nrz (nonreturn-to-zero) codes > To or from double density code
Description: Subject matter for converting digital signals to or from other digital signals where a one is a transition at the end of a bit period and a zero is a transition at the center of a bit period, except when a zero follows a one, in which case there is no transition in the bit period.

Patents under this class:

Patent Number Title Of Patent Date Issued
7499490 Encoders for block-circulant LDPC codes Mar. 3, 2009
6084535 System and method for generating many ones codes with hamming distance after precoding Jul. 4, 2000
5841379 Method and apparatus for selectively counting consecutive bits Nov. 24, 1998
5710561 Method and apparatus for double run-length encoding of binary data Jan. 20, 1998

  Recently Added Patents
Optical modulator module
Electronic device and recording medium
Color LED display device without color separation
Data center with free-space optical communications
SIC semiconductor device and method for manufacturing the same
Methods and apparatus for determining a phase error in signals
Native NAD-dependent GAPDH replaced with NADP-dependent GAPDH plus NADK
  Randomly Featured Patents
Multirate speech codecs
Driving support system, driving support method and computer program for setting and using facility entry difficulty levels
Organic electroluminescence device
Method and system of remote monitoring of image forming apparatus
Magnetic core
Method and circuit for controlling timings of display devices using a single data enable signal
Passenger monitoring vehicle safety seat and monitoring device
System for regulating the idle speed of an internal combustion engine
Device for inserting several bits in a rhythmed digital train
Electrical connector