IPC Subgroup
G01C 19/56 Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
Introduced: September 1968
Last revised: January 2012
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
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
Related Keywords
TUNING -forks used as turn-sensitive devices
9 direct subcodes
Child Classifications
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- G01C 19/5607 using vibrating tuning forks
- G01C 19/5635 using vibrating wires or strings
- G01C 19/5642 using vibrating bars or beams
- G01C 19/567 using the phase shift of a vibration node or antinode
- G01C 19/5698 using acoustic waves, e.g. surface acoustic wave gyros
- G01C 19/5705 using masses driven in reciprocating rotary motion about an axis
- G01C 19/5719 using planar vibrating masses driven in a translation vibration along an axis
- G01C 19/5776 Signal processing not specific to any of the devices covered by groups
- G01C 19/5783 Mountings or housings not specific to any of the devices covered by groups
Top Applicants
Top 10 applicants by patent filingsfor 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