H03M 1/12 Analogue/digital converters ( H03M1/10 take precedence)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Analogue/digital converters
CPC: Analogue/digital converters ( H03M1/10 take precedence)
Full Title
Full titles differ between systems:
Analogue/digital conversion; Digital/analogue conversion > Analogue/digital converters
Analogue/digital conversion; Digital/analogue conversion (conversion of analogue values to or from differential modulation H03M3/00) > Analogue/digital converters ( H03M1/10 take precedence)
Of 12 combined children, 9 exist in both systems.
3 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
Navigate with arrow keys, Enter to open
- H03M 1/14 Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit since 1985 +5 CPC IPC+CPC Available in IPC and CPC
- H03M 1/18 Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging since 1985 +3 CPC IPC+CPC Available in IPC and CPC
- H03M 1/20 Increasing resolution using an n bit system to obtain n + m bits since 1985 +3 CPC IPC+CPC Available in IPC and CPC
- H03M 1/34 Analogue value compared with reference values (H03M1/48 takes precedence) since 1985 +1 CPC IPC+CPC Available in IPC and CPC
- H03M 1/50 with intermediate conversion to time interval (H03M1/64 takes precedence) since 1985 +2 CPC IPC+CPC Available in IPC and CPC
- H03M 1/60 with intermediate conversion to frequency of pulses since 1985 IPC+CPC Available in IPC and CPC
- H03M 1/64 with intermediate conversion to phase of sinusoidal signals since 1985 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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