IPC Subgroup
H03M 5/04 the pulses having two levels
Introduced: January 1985
Last revised: January 2006
Full Title
Conversion of the form of the representation of individual digits > Conversion to or from representation by pulses > the pulses having two levels
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- CODING, DECODING OR CODE CONVERSION, IN GENERAL
2 direct subcodes
Child Classifications
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- H03M 5/06 Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell
- H03M 5/14 Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
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