Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
H03M 1/12

Analogue/digital converters

Introduced: January 1985

Last revised: January 2006

Full Title

Analogue/digital conversion; Digital/analogue conversion > Analogue/digital converters

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
CODING, DECODING OR CODE CONVERSION, IN GENERAL

Related Keywords

electric ANALOGUE-DIGITAL converters

9 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H03M 1/18 Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
  • H03M 1/2 Increasing resolution using an n bit system to obtain n + m bits, e.g. by dithering
  • H03M 1/48 Servo-type converters
  • H03M 1/64 with intermediate conversion to phase of sinusoidal signals

Top Applicants

Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 5,625
  2. SAMSUNG ELECTRONICS COMPANY KR 5,496
  3. MURATA MANUFACTURING COMPANY JP 5,478
  4. HUAWEI TECHNOLOGIES COMPANY CN 3,383
  5. INTEL CORPORATION US 3,091
  6. TEXAS INSTRUMENTS US 3,070
  7. MURATA MANUFACTURING COMPANY 2,722
  8. SKYWORKS SOLUTIONS US 2,290
  9. SEIKO EPSON CORPORATION 2,177
  10. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,158