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PCE
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DIFF Subgroup
G05D 3/16

whose output amplitude can only take a number of discrete values (G05D3/18 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: whose output amplitude can only take a number of discrete values

CPC: whose output amplitude can only take a number of discrete values (G05D3/18 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Control of position or direction > using feedback > using an analogue comparing device > whose output amplitude can only take a number of discrete values

CPC:

Control of position or direction (G05D1/00 takes precedence; numerical control to execute positioning G05B19/18) > using feedback > using an analogue comparing device > whose output amplitude can only take a number of discrete values (G05D3/18 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class G05,2013–2023, worldwide · Source: EPO PATSTAT

  1. SIEMENS DE 4,725
  2. SGCC(STATE GRID CORPORATION OF CHINA) 4,571
  3. FANUC JP 4,233
  4. MITSUBISHI ELECTRIC CORPORATION JP 3,143
  5. FANUC 2,981
  6. ROBERT BOSCH DE 2,813
  7. CHINESE ACADEMY OF SCIENCES 2,500
  8. LG ELECTRONICS KR 2,182
  9. OMRON CORPORATION JP 2,036
  10. SAMSUNG ELECTRONICS COMPANY KR 1,981

Top Applicants (CPC)

Class G05,2013–2023, worldwide · Source: EPO PATSTAT

  1. FANUC JP 6,367
  2. SIEMENS DE 5,963
  3. FANUC 4,535
  4. MITSUBISHI ELECTRIC CORPORATION JP 4,201
  5. ROBERT BOSCH DE 4,010
  6. LG ELECTRONICS KR 3,802
  7. SAMSUNG ELECTRONICS COMPANY KR 3,143
  8. FORD GLOBAL TECHNOLOGIES US 2,889
  9. TOYOTA MOTOR CORPORATION 2,778
  10. OMRON CORPORATION JP 2,743