| Patents for H03M 7 - Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits (33,242) |
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| 01/01/1985 | US4491839 CMOS Selection circuit |
| 12/27/1984 | EP0129439A1 High speed data compression and decompression apparatus and method |
| 12/25/1984 | US4490712 Information transcoding process and a transmission system using such a process |
| 12/19/1984 | EP0128764A1 Radiation image signal compression method and apparatus |
| 12/12/1984 | EP0127815A2 Data compression method |
| 12/11/1984 | US4488253 Parallel counter and application to binary adders |
| 12/11/1984 | US4488143 Fixed rate run length limited (RLL) code string generation using length oriented arithmetic code data string expansion and data string recovery using arithmetic code compression of RLL code strings |
| 12/11/1984 | US4488142 Apparatus for encoding unconstrained data onto a (1,7) format with rate 2/3 |
| 12/06/1984 | WO1984004859A1 Method and apparatus for transmitting digital signal |
| 12/04/1984 | US4486876 Broadband transmission on limited bandwidth digital line |
| 11/28/1984 | EP0126609A2 Digital encoding and decoding apparatus |
| 11/28/1984 | EP0126384A2 Method and arrangement for decoding an nB/(n+1)B-coded data stream |
| 11/20/1984 | US4483188 Method and apparatus for recording and playback of dynagraphs for sucker-rod wells |
| 11/14/1984 | EP0124959A2 Group coding method for serial data transmission |
| 11/14/1984 | EP0124926A1 Device for the line-wise compression of binary data of a picture field scanning device for a document suitable for such compression |
| 11/13/1984 | US4482886 Apparatus for converting digital signals of first length code into second length codes |
| 10/31/1984 | EP0123563A2 Converting digital signals |
| 10/31/1984 | EP0123456A2 A combined intraframe and interframe transform coding method |
| 10/31/1984 | EP0123419A1 Digital sub-band filters |
| 10/23/1984 | US4479213 Transmission method for transmitting voice and data information over telephone line and device for implementing said method |
| 10/17/1984 | EP0122083A2 Method and apparatus for encoding a binary data stream into a binary code stream |
| 10/17/1984 | EP0122027A1 Variable-length encoding-decoding system |
| 10/16/1984 | CA1176320A1 Signal wave control circuit |
| 10/10/1984 | EP0121461A1 Decoder for data in a subgroup of P data belonging to a group of N data |
| 10/09/1984 | US4476495 Multilevel signal compression method |
| 10/02/1984 | US4475213 Digital code converter |
| 10/02/1984 | US4475174 Decoding apparatus for codes represented by code tree |
| 09/25/1984 | US4473894 Shift circuit which need no transformation between nine-bit-byte and eight-bit-byte data |
| 09/25/1984 | CA1175138A1 Dynamic stack data compression and decompression system |
| 09/05/1984 | EP0117525A2 Quantisizer for DPCM encoders |
| 08/28/1984 | US4468575 Logic circuit in 2-phase MOS-technology |
| 08/28/1984 | CA1173563A1 Triangle and pyramid signal transforms and apparatus |
| 08/21/1984 | US4467318 Process for converting linear coded PCM words into non-linear coded PCM words and vice versa |
| 08/21/1984 | US4467317 High-speed arithmetic compression coding using concurrent value updating |
| 08/21/1984 | US4467315 Digital compandor having nonlinear companding characteristics |
| 08/21/1984 | CA1173162A1 Method of producing a binary code and means for using the same |
| 08/21/1984 | CA1173150A1 Method and apparatus for compressing digital data using non-adaptive predictive techniques |
| 08/16/1984 | WO1984003181A1 Short-protected buffer circuit |
| 08/15/1984 | EP0116020A1 Method for generation of a run length limited coded data stream |
| 08/15/1984 | EP0115737A1 Matrix conversion system for dynamically redefinable character sets in a video system |
| 08/14/1984 | CA1172766A1 Mfm data encoder with write precompensation |
| 08/07/1984 | US4464783 Speech coding method and device for implementing the improved method |
| 08/07/1984 | US4464714 System for transmitting digital information, coding arrangement for use in that system, decoding arrangement for use in that system and record carrier for use in that system |
| 08/07/1984 | US4464683 Digital recording of television components with improved transition spacing |
| 08/07/1984 | US4464650 Apparatus and method for compressing data signals and restoring the compressed data signals |
| 07/31/1984 | US4463344 Method and apparatus for generating a noiseless sliding block code for a (2,7) channel with rate 1/2 |
| 07/31/1984 | US4463342 Method and means for carry-over control in the high order to low order pairwise combining of digits of a decodable set of relatively shifted finite number strings |
| 07/10/1984 | CA1170772A1 Method and device for encoding binary data |
| 07/05/1984 | WO1984002623A1 Digital code converter |
| 07/03/1984 | US4458325 Calculator capable of calculating with additional externally instructed units |
| 06/27/1984 | EP0111612A1 Speech signal coding method and apparatus |
| 06/26/1984 | US4456905 Method and apparatus for encoding binary data |
| 06/19/1984 | US4455649 Method and apparatus for efficient statistical multiplexing of voice and data signals |
| 06/19/1984 | US4455629 Complementary metal-insulated semiconductor memory decoder |
| 06/19/1984 | CA1169562A1 Interface circuit for a meter reading device |
| 06/12/1984 | US4454498 Adjustable attenuation member for a digital telecommunications system |
| 05/30/1984 | EP0109615A2 Methodology for transforming a first editable document form prepared with a batch text processing system to a second editable document form usable by an interactive or batch text processing system |
| 05/29/1984 | US4451819 Method and apparatus for decoding binary data |
| 05/29/1984 | CA1168356A1 Data transmission or recording with reduced data rate |
| 05/22/1984 | US4449536 Method and apparatus for digital data compression |
| 05/22/1984 | CA1167968A1 Method and apparatus for encoding and decoding digital information |
| 05/09/1984 | EP0107970A1 Hot mill self-centering roll design |
| 05/08/1984 | US4447886 Triangle and pyramid signal transforms and apparatus |
| 05/08/1984 | CA1167117A1 Decoder circuit |
| 05/01/1984 | US4446530 Fast hadamard transform device |
| 05/01/1984 | US4446386 MOS Decoder circuit using phase clocking for reducing the power consumption |
| 04/18/1984 | EP0105604A2 A dual mode encoding/decoding technique for use in a digital transmission system |
| 04/04/1984 | EP0104470A2 Fast DPCM coder |
| 04/04/1984 | EP0104469A2 Digital DPCM coder with high processing speed |
| 04/04/1984 | EP0104443A1 Method and circuit arrangement for transcoding code words |
| 03/28/1984 | EP0104073A1 Digital encoding, decoding and processing of speech signals |
| 03/27/1984 | US4439756 Delta-Sigma modulator with switch capacitor implementation |
| 03/20/1984 | US4438427 Decoder and method utilizing partial and redundant decoding |
| 03/14/1984 | EP0102608A2 Expansion circuit for digital signals |
| 03/13/1984 | US4437087 Adaptive differential PCM coding |
| 03/06/1984 | US4435783 Magnetic bubble logic apparatus |
| 02/28/1984 | US4434473 Method and device for storing logic representations of process states |
| 02/28/1984 | US4433604 Frequency domain digital encoding technique for musical signals |
| 02/21/1984 | US4433423 High quality delta modulator |
| 02/21/1984 | US4433327 Apparatus for converting numeral representing data coding formats received or derived by a central processing unit |
| 02/14/1984 | CA1162289A1 Method and apparatus for compression and decompression of digital image data |
| 02/07/1984 | US4430643 Binary-coded-decimal to binary converter |
| 01/25/1984 | EP0098958A2 Method of encoding and transmitting documents for text processing systems |
| 01/24/1984 | US4427969 Interface circuit for a meter reading device |
| 01/18/1984 | EP0098325A2 Optical arithmetical unit, device for converting residue numbers into positional notation numbers |
| 01/17/1984 | CA1160751A1 Method of modulation and demodulation of data and apparatus for the same |
| 01/11/1984 | EP0098153A2 Digital data code conversion circuit for variable-word-length data code |
| 01/11/1984 | EP0097858A2 Vector quantizer |
| 01/10/1984 | US4425626 Apparatus for translation of character codes for application to a data processing system |
| 01/10/1984 | US4425562 Device for coding signals which are distributed between a number of channels |
| 01/03/1984 | CA1159964A1 Apparatus for converting serial input sparse vector format to parallel unpacked format for input to tandem arithmetic logic units |
| 12/20/1983 | US4422065 Method for readout form multiscale encoders and a multiturn absolute angle-code converter |
| 12/13/1983 | US4420771 Technique for encoding multi-level signals |
| 12/13/1983 | CA1158790A1 Gain control apparatus for digital telephone line circuits |
| 11/29/1983 | US4418406 Signal wave control circuit |
| 11/29/1983 | CA1157945A1 Optically readable disc record |
| 11/16/1983 | EP0094293A2 An arrangement for encoding and decoding information signals |
| 11/09/1983 | EP0093219A1 Digital coding method and device for carrying out the method |
| 11/08/1983 | US4414659 Method and apparatus for encoding digital data so as to reduce the D.C. and low frequency content of the signal |
| 11/08/1983 | US4414585 Method of transmitting an audio signal via a transmission channel |