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IPC Subgroup
H03M 1/14

Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit

Introduced: January 1985

Last revised: January 2006

Full Title

Analogue/digital conversion; Digital/analogue conversion > Analogue/digital converters > Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit

Classification Context

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

1 direct subcode

Child Classifications

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  • H03M 1/16 with scale factor modification, i.e. by changing the amplification between the steps

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