IPC Main Group
H03M 7/00 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
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- CODING, DECODING OR CODE CONVERSION, IN GENERAL
Related Keywords
conversion of CODE(S)TRANSFLUXORS used in static code converters
5 direct subcodes
Child Classifications
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- H03M 7/02 Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
- H03M 7/14 Conversion to or from non-weighted codes
- H03M 7/26 Conversion to or from stochastic codes
- H03M 7/28 Programmable structures, i.e. where the code converter contains apparatus which is operator-changeable to modify the conversion process
- H03M 7/3 Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Top Applicants
Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 5,625
- SAMSUNG ELECTRONICS COMPANY KR 5,496
- MURATA MANUFACTURING COMPANY JP 5,478
- HUAWEI TECHNOLOGIES COMPANY CN 3,383
- INTEL CORPORATION US 3,091
- TEXAS INSTRUMENTS US 3,070
- MURATA MANUFACTURING COMPANY 2,722
- SKYWORKS SOLUTIONS US 2,290
- SEIKO EPSON CORPORATION 2,177
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,158