Physical Quantity Detection Circuit And Physical Quantity Detection DeviceA physical quantity detection circuit includes: a drive circuit configured to apply a drive signal, which includes a first frequency component and a second frequency component having a frequency diffe…DRIVE·Sep 28·2 min readFollowG01C19/5614SEIKO EPSON CORPORATION
Method and system for operating a MEMS tuning fork gyroscopeEmbodiments of the subject application provide a method for operating a micro-electro-mechanical system (MEMS) tuning fork gyroscope. The method includes oscillating a voltage on a first sense electro…DRIVE·Oct 1·2 min readFollowG01C19/5614HONEYWELL INT INC [US]
ANGULAR SPEED SENSORAn angular velocity sensor includes a vibration, first and second sensor electrodes generating an electric charge responsive to an angular velocity applied to the vibration body, first and D/A convert…DRIVE·Feb 1·2 min readFollowG01C19/5614PANASONIC CORP [JP]
OSCILLATOR CIRCUIT, METHOD FOR MANUFACTURING OSCILLATOR CIRCUIT, INERTIAL SENSOR USING THE OSCILLATOR CIRCUIT, AND ELECTRONIC DEVICEAn oscillator circuit includes an oscillator, a filter that filters a monitoring signal output from the oscillator and outputs the filtered signal, a driver that amplifies the filtered signal to gener…DRIVE·Dec 21·1 min readFollowG01C19/5614PANASONIC CORP [JP]
ANGULAR VELOCITY SENSORIn an angular velocity sensor, there is generated a first parasitic capacitance generated between a first driving electrode and a sensing electrode, and there is generated a second parasitic capacitan…DRIVE·Aug 3·1 min readFollowG01C19/5614PANASONIC CORP [JP]
ANGULAR VELOCITY SENSORFailures can be detected with high accuracy even the ambient temperature changes or background vibration is applied. An angular velocity sensor is composed of a vibrator which is elastically and displ…DRIVE·Aug 3·2 min readFollowG01C19/5614HITACHI AUTOMOTIVE SYSTEMS LTD [JP]
Mechanical measuring device comprising a vibrating element and a gyroscope using sameA device for the mechanical measure of a vibrating component contains a piezoelectric sensor made of perovskite (PZT) ceramic which is interlocked with the vibrating component and which is included in…DRIVE·Mar 16·1 min readFollowG01C19/5614SAGEM [FR]