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Class Information
Number: 341/58
Name: Coded data generation or conversion > Digital code to digital code converters > To or from minimum d.c. level codes
Description: for converting digital signals to or from other digital signals wherein the coding is arranged to minimize the direct current component present in the converted signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626520 |
Encoding method, encoding apparatus, decoding method, and decoding apparatus |
Dec. 1, 2009 |
| 7623048 |
DC-free codes |
Nov. 24, 2009 |
| 7620116 |
Technique for determining an optimal transition-limiting code for use in a multi-level signaling system |
Nov. 17, 2009 |
| 7616133 |
Data bus inversion apparatus, systems, and methods |
Nov. 10, 2009 |
| 7616134 |
Systems and methods for enumerative encoding and decoding of maximum-transition-run codes and PRML (G,I,M) codes |
Nov. 10, 2009 |
| 7616135 |
Code generation and allocation apparatus |
Nov. 10, 2009 |
| 7612697 |
Rate-28/30 DC-free RLL code |
Nov. 3, 2009 |
| 7602318 |
Method and apparatus for improved efficiency in protocols using character coding |
Oct. 13, 2009 |
| 7600181 |
Circuit to reduce rail noise voltage spikes due to switching on an input-output bus |
Oct. 6, 2009 |
| 7592931 |
Method and apparatus for coding information, method and apparatus for decoding coded information, method of fabricating a recording medium, the recording medium and modulated signal |
Sep. 22, 2009 |
| 7592933 |
Techniques for 9B10B and 7B8B coding and decoding |
Sep. 22, 2009 |
| 7583456 |
Method and apparatus to limit DC-level in coded data |
Sep. 1, 2009 |
| 7580642 |
Modulation scheme for tedons |
Aug. 25, 2009 |
| 7564378 |
Data encoding/decoding method and related device capable of lowering signal power spectral density |
Jul. 21, 2009 |
| 7557739 |
Four-to-six modulation encoder |
Jul. 7, 2009 |
| 7545292 |
Modulation method and apparatus using alternate tables for translating data |
Jun. 9, 2009 |
| 7541947 |
Semiconductor devices, a system including semiconductor devices and methods thereof |
Jun. 2, 2009 |
| 7538699 |
Single ended pseudo differential interconnection circuit and single ended pseudo differential signaling method |
May. 26, 2009 |
| 7535384 |
Encoding apparatus, decoding apparatus, encoding method, decoding method, and information recording and playback apparatus |
May. 19, 2009 |
| 7528747 |
Scrambled block encoder |
May. 5, 2009 |
| 7522073 |
Self-adapted bus inversion |
Apr. 21, 2009 |
| 7492288 |
Transmitting/receiving methods and systems for DC balance encoded data including simultaneous switching noise reducing preambles |
Feb. 17, 2009 |
| 7489258 |
Device and method for embedding a secondary signal in a primary data bit stream on an optical disc |
Feb. 10, 2009 |
| 7486208 |
High-rate RLL encoding |
Feb. 3, 2009 |
| 7486206 |
Method for crosstalk reduction between tracks on a recording medium, recording device, playback device and recording medium |
Feb. 3, 2009 |
| 7479904 |
Filter driven DC-free code |
Jan. 20, 2009 |
| 7477169 |
Robust control/delineation in serial streams |
Jan. 13, 2009 |
| 7471217 |
9-bit to10-bit encoder and decoder |
Dec. 30, 2008 |
| 7460034 |
Method and device for code generation in the transmission of data via a communications system |
Dec. 2, 2008 |
| 7460035 |
Balanced code with opportunistically reduced transitions |
Dec. 2, 2008 |
| 7443319 |
Precision-resolution constrained coding scheme |
Oct. 28, 2008 |
| 7436332 |
Runlength encoding of leading ones and zeros |
Oct. 14, 2008 |
| 7436331 |
Rate-28/30 DC-free RLL code |
Oct. 14, 2008 |
| 7429937 |
Method for constructing RLL codes of arbitrary rate |
Sep. 30, 2008 |
| 7425907 |
Rate-7/8 direct-current free and runlength limited code |
Sep. 16, 2008 |
| 7425906 |
Method of code generation, and method and apparatus for code modulation |
Sep. 16, 2008 |
| 7425905 |
Circuits, architectures, systems, methods, algorithms and software for conditional modulation coding |
Sep. 16, 2008 |
| 7405679 |
Techniques for 9B10B and 7B8B coding and decoding |
Jul. 29, 2008 |
| 7403138 |
Coder and a method of coding for codes having a Repeated Maximum Transition Run constraint of 2 |
Jul. 22, 2008 |
| 7397396 |
Modulation methods and systems |
Jul. 8, 2008 |
| 7397397 |
Method and system for breaking repetitive patterns to reduce transmission errors |
Jul. 8, 2008 |
| 7397398 |
Modulation bit added to worst case codeword |
Jul. 8, 2008 |
| 7388523 |
MTR encoding method, MTR decoding method, MTR encoder, MTR decoder, and magnetic recording device |
Jun. 17, 2008 |
| 7385533 |
Encoder and decoder using run-length-limited code |
Jun. 10, 2008 |
| 7382805 |
Method and apparatus for aggregating Ethernet streams |
Jun. 3, 2008 |
| 7379502 |
Method of converting digital data |
May. 27, 2008 |
| 7375661 |
Image coding apparatus, variable-length coding apparatus, control apparatus and method therof |
May. 20, 2008 |
| 7365656 |
Data identification method and apparatus |
Apr. 29, 2008 |
| 7365657 |
Data identification method and apparatus |
Apr. 29, 2008 |
| 7358869 |
Power efficient, high bandwidth communication using multi-signal-differential channels |
Apr. 15, 2008 |
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