DIFF Subgroup
G01C 19/56 Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
Introduced: September 1968
Full Title
Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects > Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
IPC and CPC are identically structured here. All 9 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2012.
Child Classifications
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- G01C 19/5607 using vibrating tuning forks (double-ended tuning forks using planar vibrating masses suspended at opposite ends G01C19/5719) since 2012 IPC+CPC Available in IPC and CPC
- G01C 19/567 using the phase shift of a vibration node or antinode since 2012 IPC+CPC Available in IPC and CPC
- G01C 19/5698 using acoustic waves, e.g. surface acoustic wave gyros since 2012 IPC+CPC Available in IPC and CPC
- G01C 19/5705 using masses driven in reciprocating rotary motion about an axis since 2012 IPC+CPC Available in IPC and CPC
- G01C 19/5719 using planar vibrating masses driven in a translation vibration along an axis since 2012 IPC+CPC Available in IPC and CPC
- G01C 19/5776 Signal processing not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719 since 2012 IPC+CPC Available in IPC and CPC
- G01C 19/5783 Mountings or housings not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719 since 2012 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