METHOD FOR DIAGNOSING FAILURE IN SENSOR MODULE AND SENSOR MODULEA method for diagnosing a failure in a sensor module includes: a first diagnosis step of diagnosing that when a comparison result between a first angular velocity based on an output signal of a first …DRIVE·Apr 8·1 min readFollowG01C19/5776SEIKO EPSON CORP [JP]
POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITE PARTICLE AND POWDERA positive electrode active material composite particle according to the present disclosure includes a base particle constituted by a positive electrode active material containing a lithium composite …DRIVE·Jan 28·1 min readFollowH01M10/0525SEIKO EPSON CORP [JP]
AZIMUTH CALCULATION DEVICE AND AZIMUTH CALCULATION METHODAn azimuth calculation device includes: a first azimuth calculation unit that calculates a first azimuth based on a satellite signal or a detection result of an external sensor; a second azimuth calcu…DRIVE·Dec 3·1 min readFollowG01C1/00SEIKO EPSON CORP [JP]
ANGULAR VELOCITY DETECTION ELEMENT AND ANGULAR VELOCITY SENSORAn angular velocity detection element includes: a drive vibration arm configured to perform flexural vibration according to an applied drive signal; and a detection vibration arm configured to perform…DRIVE·Oct 1·1 min readFollowG01C19/5642SEIKO EPSON CORP [JP]
CIRCUIT DEVICE, ELECTRONIC APPARATUS, AND MOBILE BODYA circuit device (160) includes an interface (161), a parameter computation unit (140), and a warp processing unit (130). A rendering image and tracking information are input to the interface (161). T…DRIVE·May 10·1 min readFollowG02B27/0093SEIKO EPSON CORP [JP]
POSITION CALCULATION METHOD AND POSITION CALCULATION DEVICETo suggest a technique of more accurately calculating a position using both measurement results of a satellite positioning unit and an inertial positioning unit. In a position calculating device (1), …DRIVE·Apr 9·1 min readFollowG01C21/165SEIKO EPSON CORP [JP]
Vibrator element, method of manufacturing vibrator element, vibrator, electronic device, electronic apparatus and moving bodyA vibrator element (2) includes a pair of first and second drive vibrating arms (441, 442; 443, 444) that extend in opposite directions from a base portion (41, 431, 432) ; a first weight (12a ... 12s…DRIVE·Jan 29·2 min readFollowG01C19/56SEIKO EPSON CORP [JP]
ROBOT AND ROBOT NOISE REMOVAL METHODA robot includes: an arm driven by a motor; an angle sensor that detects a pivoting angle of the motor; an inertia sensor that detects inertial force acting on the arm; a noise detecting unit that det…DRIVE·Nov 13·1 min readFollowB25J13/08SEIKO EPSON CORP [JP]
Sensor device, manufacturing method of sensor device and electronic apparatusA sensor device (1) includes a first sensor element (30z) which detects an angular velocity around z axis and a second sensor element (30x) which detects an angular velocity around x axis. When the dr…DRIVE·Oct 16·1 min readFollowG01C19/56SEIKO EPSON CORP [JP]
Vibrator and vibratory gyroscopeA vibrator (5) comprises a driving vibration piece (2A, 2B, 2C, 2D), a detection vibration piece (11A, 11B), and a base portion (4B) connecting the driving vibration piece (2A, 2B, 2C, 2D) and detecti…DRIVE·Jul 31·1 min readFollowG01C19/5607SEIKO EPSON CORP [JP]
Electronic timepiece and secondary battery unitThe invention provides an electronic timepiece and a secondary battery unit in which the base parts of the movement such as a main plate can be made common between an ordinary analog timepiece and a s…DRIVE·Apr 10·2 min readFollowG04C10/00SEIKO EPSON CORP [JP]
Module and electronic apparatusA module includes a sensor device, a mounting substrate that has a plurality of mounting faces, a portion between the mounting faces adjacent to each other being foldable, a supporting member having f…DRIVE·Dec 5·1 min readFollowG01C19/5783SEIKO EPSON CORP [JP]
Angular velocity sensor and electronic deviceA physical quantity sensor includes: a substrate; a first displacement member and a second displacement member disposed in a spatial plane on the substrate and having rotation shafts, respectively; fi…DRIVE·Aug 22·2 min readFollowG01C19/56SEIKO EPSON CORP [JP]
Support member of vibratorThe present invention provides, in a physical quantity measuring system using a vibrator, a supporting structure of a vibrator for reducing the zero-point temperature drift of detection signal. It is …DRIVE·May 2·1 min readFollowG01C19/5621SEIKO EPSON CORP [JP]
PHYSICAL QUANTITY DETECTION DEVICE AND PHYSICAL QUANTITY DETECTION DEVICE CONTROL METHOD, AS WELL AS ABNORMALITY DIAGNOSIS SYSTEM AND ABNORMALITY DIAGNOSIS METHODAn angular velocity detection apparatus 1 (i.e., physical quantity detection apparatus) includes a gyro sensor element 100 (i.e., physical quantity detection element) that allows an angular velocity d…DRIVE·Apr 18·2 min readFollowG01C19/56SEIKO EPSON CORP [JP]
Physical quantity sensor and electronic apparatusA physical quantity sensor includes a first rocking body and a second rocking body. Each of the rocking bodies is supported on a substrate by a first supporting portion and a second supporting portion…DRIVE·Nov 30·1 min readFollowB81B7/02SEIKO EPSON CORP [JP]
Motion sensor, and method of manufacturing motion sensorA sensor device 1 includes: a silicon substrate 10; a first electrode 11 provided at an active surface 10a side of the silicon substrate 10; an external connection terminal 12 provided at the active s…DRIVE·Sep 7·1 min readFollowG01C19/5628SEIKO EPSON CORP [JP]
Protection circuit and electronic deviceA protection circuit that is used with a power supply that produces charging power, and a storage battery for which normal operation is conditional upon a terminal voltage being less than or equal to …DRIVE·Aug 24·1 min readFollowG06F1/3212SEIKO EPSON CORP [JP]
Information deviceA compact information device and a shortened unlatch time are enabled in an information device 10 that resumes supplying DC power to internal circuits as a result of a latch circuit unlatching when th…DRIVE·Jun 22·2 min readFollowG06F1/26SEIKO EPSON CORP [JP]
Drive control circuit for electric motorA semiconductor device for driving an electric motor is provided. The semiconductor device includes: an original drive signal generator that generates an original drive signal, based on a positional s…DRIVE·Jan 26·2 min readFollowH02P25/22SEIKO EPSON CORP [JP]
Piezoelectric resonator element and piezoelectric deviceA piezoelectric resonator element including: a base (51) formed by a piezoelectric material, having a given length; a plurality of vibration arms (35,36) extended from one end of the base; and a suppo…DRIVE·Jan 19·1 min readFollowG01C19/5607SEIKO EPSON CORP [JP]
Method and apparatus for power supply controlIn order to provide a power supply control circuit having a low charging loss and low leak electric current regardless of the type of power supply apparatus to allow the charging efficiency to be impr…DRIVE·May 31·2 min readFollowH02H3/18SEIKO EPSON CORP [JP]
Piezoelectric resonator element and piezoelectric deviceA piezoelectric resonator element including: a base formed by a piezoelectric material, having a given length; a plurality of vibration arms extended from one end of the base; and a supporting arm ext…DRIVE·Apr 26·1 min readFollowG01C19/5607SEIKO EPSON CORP [JP]
Piezoelectric resonator element and piezoelectric deviceA piezoelectric resonator element (32) includes a base portion (51) formed of a piezoelectric material, a plurality of resonating arms (35,36) formed integrally with the base portion and extending par…DRIVE·Mar 29·1 min readFollowG01C19/5607SEIKO EPSON CORP [JP]
Transducer, electronic equipment and method of adjusting the frequency of the transducerA transducer (10) including a pair of oscillating reeds (1a, 1b) extending in the Y-direction for generating a first oscillation for generating a Coriolis force corresponding to the rotation of the tr…DRIVE·Mar 2·1 min readFollowG01C19/56SEIKO EPSON CORP [JP]
Piezoelectric device, method of manufacturing it and electronic equipment comprising such a deviceA piezoelectric device comprises a piezoelectric resonator element (10); a lead wire (15A, 15B, 16A, 16B) holding the piezoelectric resonator element (10), one end portion of the lead wire being conne…DRIVE·Dec 22·1 min readFollowG01C19/56SEIKO EPSON CORP [JP]
Vibrator unitDisclosed is a vibrator unit comprising a support section (14) for supporting a vibrator (10) on a substrate (17), the vibrator comprising a drive section (11A,11B) and a detection section (12). The d…DRIVE·Dec 1·2 min readFollowG01C19/56SEIKO EPSON CORP [JP]
Method for referring to address of vector data and vector processorThe object of the invention is to efficiently perform indirect index vector reference. An element register of a vector register or a scalar register specified in the "index" is divided into multiple a…DRIVE·Sep 29·1 min readFollowB62D5/075SEIKO EPSON CORP [JP]
Image processing system, projector and image processing methodTo provide an image processing system and the like which can correct a distortion in a projected image automatically and adequately, a projector has an area sensor section 182 which senses a sensing r…DRIVE·Jul 21·2 min readFollowB60N2/2821SEIKO EPSON CORP [JP]
BATTERY-DRIVEN ELECTRONIC DEVICE AND ITS CONTROLLING METHODA first control unit 110 and second control unit 120 are disposed to a portable data terminal 100 having a heavy load group 140 and light load group 150. The first control unit 110 detects the output …DRIVE·Dec 3·2 min readFollowG04G19/08SEIKO EPSON CORP [JP]
Key with display capability, display method, and display programOwning a mechanical key alone does not allow knowing whether an automobile, dwelling, etc. is locked or unlocked. Furthermore, if a plurality of keys are owned, it is difficult to identify at a glance…DRIVE·Nov 12·2 min readFollowB60R25/102SEIKO EPSON CORP [JP]
Portable information unit and a control method for the portable information unit together with a recording medium and a control programThe invention seeks to obtain a high customer collecting effect and a high advertisement effect or to enhance a users' sense of unity with an attraction in an amusement facility such as a theme park b…DRIVE·Oct 23·1 min readFollowG06K19/07703SEIKO EPSON CORP [JP]
INFORMATION DISTRIBUTION SYSTEM, INFORMATION DISTRIBUTION METHOD, AND COMPUTER PROGRAM FOR EXECUTING THE METHODAn information distribution system for displaying a service information provided by an information provider from a terminal (2, 3) on at least one of a plurality of displays (4, 6), the system includi…DRIVE·Jul 17·1 min readFollowB60R21/213SEIKO EPSON CORP [JP]
Mesuring system for sports eventsA system for measuring the distance and trajectories travelled by bodies in flight during sports events such as athletics, said bodies executing trajectories having a common predetermined take-off are…DRIVE·Nov 28·2 min readFollowA63B24/0021SEIKO EPSON CORP [JP]
Electric motor vehicleAn electric motor vehicle has as the drive system a battery, a motor, and a controller for controlling the rotation of the motor. It is characterized by disposing an accelerator for controlling the sp…DRIVE·Jun 27·1 min readFollowB60K7/0007SEIKO EPSON CORP [JP]
ELECTRONIC DEVICE AND METHOD OF CONTROLLING ELECTRONIC DEVICESIn an electronic device in which a charge path to a secondary battery and a signal path to a reception device are partially shared and a receiving-time current due to the reception is made to be a cha…DRIVE·May 2·1 min readFollowH02J50/10SEIKO EPSON CORP [JP]
AC voltage detection circuit and method, charging circuit and method, chopper circuit and chopping method, chopper charging circuit and method, electronic apparatus, and timepieceIn an AC voltage detection circuit, a chopper charging circuit converts an induced voltage of an AC generator to a chopper voltage and charges a main capacitor. When the chopper voltage becomes a pred…DRIVE·May 2·1 min readFollowG04G19/02SEIKO EPSON CORP [JP]
ELECTRONIC DEVICEAn electronic device in which electrical power transfer and data transfer are performed by exchanging physical energy between a station and an electronic watch. In the station, a packet creating circu…DRIVE·May 2·1 min readFollowG04C10/00SEIKO EPSON CORP [JP]
ELECTRONIC DEVICE, ELECTRONIC DEVICE TO BE CHARGED AND METHOD OF CONTROLLING ELECTRONIC DEVICESAn electronic unit for charging a unit to be charged having an accumulator section which can be repeatedly charged has a charging section for charging the accumulator section according to a charging c…DRIVE·May 2·1 min readFollowG04C10/00SEIKO EPSON CORP [JP]
