G01R 31/3181 Functional testing (G01R31/3177 takes precedence)
Introduced: January 1995
Title
Titles differ between systems:
IPC: Functional testing
CPC: Functional testing (G01R31/3177 takes precedence)
Full Title
Full titles differ between systems:
Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere > Testing of electronic circuits, e.g. by signal tracer > Testing of digital circuits > Functional testing
Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere ( testing line transmission systems H04B3/46; testing or measuring semiconductors or solid state devices during manufacture ) > Testing of electronic circuits, e.g. by signal tracer ( testing for short-circuits, discontinuities, leakage or incorrect line connection G01R31/50; checking computers G06F11/00; checking static stores for correct operation G11C29/00 ) > Testing of digital circuits > Functional testing (G01R31/3177 takes precedence)
Of 6 combined children, 4 exist in both systems.
2 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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- G01R 31/3183 Generation of test inputs, e.g. test vectors, patterns or sequences since 1995 +11 CPC IPC+CPC Available in IPC and CPC
- G01R 31/3185 Reconfiguring for testing, e.g. LSSD, partitioning since 1995 +5 CPC IPC+CPC Available in IPC and CPC
- G01R 31/319 Tester hardware, i.e. output processing circuits since 1995 +3 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G01,2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171
Top Applicants (CPC)
Class G01,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382