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DIFF Subgroup
G06G 7/20

for evaluating powers, roots, polynomes, mean square values or standard deviation (G06G7/122, G06G7/28 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for evaluating powers, roots, polynomes, mean square values or standard deviation

CPC: for evaluating powers, roots, polynomes, mean square values or standard deviation (G06G7/122, G06G7/28 take precedence)

Full Title

Full titles differ between systems:

IPC:

Devices in which the computing operation is performed by varying electric or magnetic quantities > Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor > for evaluating powers, roots, polynomes, mean square values or standard deviation

CPC:

Devices in which the computing operation is performed by varying electric or magnetic quantities > Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor > for evaluating powers, roots, polynomes, mean square values or standard deviation (G06G7/122, G06G7/28 take precedence)

Additional Content IPC

Limiting references

Arrangements for optimisation, e.g. least square fitting, linear programming, critical path analysis or gradient method Arbitrary function generators for synthesising functions by piecewise approximation

Application references

Picture signal circuitry for gamma control in television systems Circuits for processing colour signals for modifying the colour signals by gamma correction in colour television systems

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 66,669
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
  3. MICROSOFT TECHNOLOGY LICENSING US 41,918
  4. GOOGLE US 32,969
  5. SGCC(STATE GRID CORPORATION OF CHINA) 30,822
  6. INTEL CORPORATION US 30,010
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
  8. HUAWEI TECHNOLOGIES COMPANY CN 26,079
  9. APPLE US 21,891
  10. HUAWEI TECHNOLOGIES COMPANY 20,505

Top Applicants (CPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 76,952
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
  3. MICROSOFT TECHNOLOGY LICENSING US 44,778
  4. GOOGLE US 35,735
  5. INTEL CORPORATION US 32,087
  6. HUAWEI TECHNOLOGIES COMPANY CN 30,572
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
  8. APPLE US 23,482
  9. SGCC(STATE GRID CORPORATION OF CHINA) 22,548
  10. HUAWEI TECHNOLOGIES COMPANY 20,917