CPC Main Group
H03K 3/00 Circuits for generating electric pulses; Monostable, bistable or multistable circuits (H03K4/00 takes precedence; for digital function generators in computers G06F1/02)
7 direct subcodes
Child Classifications
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- H03K 3/01 Details
- H03K 3/02 Generators characterised by the type of circuit or by the means used for producing pulses (H03K3/64 - H03K3/84 take precedence)
- H03K 3/64 Generators producing trains of pulses, i.e. finite sequences of pulses
- H03K 3/78 Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
- H03K 3/80 Generating trains of sinusoidal oscillations (by keying or interruption of sinusoidal oscillations H03C; for transmission of digital information H04L)
- H03K 3/84 Generating pulses having a predetermined statistical distribution of a parameter, e.g. random pulse generators
- H03K 3/86 Generating pulses by means of delay lines and not covered by the preceding subgroups
Top Applicants
Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 7,293
- QUALCOMM US 7,085
- MURATA MANUFACTURING COMPANY JP 5,982
- HUAWEI TECHNOLOGIES COMPANY CN 4,641
- INTEL CORPORATION US 3,863
- TEXAS INSTRUMENTS US 3,409
- MURATA MANUFACTURING COMPANY 2,874
- SK HYNIX KR 2,644
- SKYWORKS SOLUTIONS US 2,545
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437