#G01C17/30

GEOMAGNETIC SENSOR

A geomagnetic sensor includes: a core 10 that constitutes a closed magnetic circuit; a pair of coils 21, 22 that are wound around the core 10 in positions facing each other and are connected in series…

DRIVE·Oct 8·1 min read

G01C17/30 JAPAN AVIATION ELECTRON [JP]

SEMICONDUCTOR INTEGRATED CIRCUIT, MAGNETISM DETECTION DEVICE, ELECTRONIC COMPASS, AND AMMETER

A semiconductor integrated circuit of the invention includes: a clock-signal generation circuit (M21); a signal processing circuit (M23) outputting an intensity signal corresponding to an intensity of…

DRIVE·Aug 7·2 min read

G01C17/30 FUJIKURA CO LTD [JP]

Orientation determination for a mobile device

A system for determining an orientation of the head of a user of a mobile device comprises a head-mounted accessory device including a first digital compass for providing a first orientation signal an…

DRIVE·Apr 10·1 min read

G01C17/30 RESEARCH IN MOTION LTD [CA]

GEOMAGNETISM SENSING DEVICE

A geomagnetism sensing device which has a three-axis sensor that detects geomagnetism and which can accurately calculate an angular velocity or the like at each point of time even when complicated mov…

DRIVE·Aug 1·2 min read

G01C17/30 ALPS ELECTRIC CO LTD [JP]

FLUX GATE SENSOR AND ELECTRONIC AZIMUTH INDICATOR MAKING USE THEREOF

Provided is a flux gate sensor comprising the following: a magnetic core having a first wiring layer formed on a board, a first insulating layer formed in such a way as to cover the aforementioned fir…

DRIVE·Mar 28·2 min read

G01C17/30 FUJIKURA LTD [JP]

MAGNETIC DETECTION DEVICE

A magnetic detection device of the present invention includes at least one pair of first magnetosensitive bodies each comprising a soft magnetic material extending in a first axis direction and being …

DRIVE·Feb 1·2 min read

G01C17/30 AICHI STEEL CORP [JP]

Cellular phone having navigation device, correcting value initializing method, and navigation function

A navigation device includes a measuring unit to measure the current position; a geomagnetism sensor that is provided on a predetermined main unit, and is to detect geomagnetism; an orientation calcul…

DRIVE·Mar 23·2 min read

G01C17/30 SONY CORP [JP]

Geomagnetic sensor for detecting azimuth angle and method thereof

A geomagnetic sensor and method are provided. The geomagnetic sensor has a geomagnetic detection module for outputting an electric signal value corresponding to a geomagnetism, a tilt detection module…

DRIVE·Jun 14·2 min read

G01C17/30 SAMSUNG ELECTRO MECH [KR]

THREE-DIMENSIONAL MAGNETIC DIRECTION SENSOR, AND MAGNETO-IMPEDANCE SENSOR ELEMENT

A three-dimensional magnetic bearing sensor 10a includes a first sensor 101, a second sensor 102, and a third sensor 103 each constituted by a magneto-impedance sensor element 10 comprising a magnetic…

DRIVE·Apr 19·1 min read

G01C17/30 AICHI STEEL CORP [JP]

SMALL-SIZED ATTITUDE DETECTION SENSOR AND CELLULAR PHONE HAVING THE SAME

A small-sized attitude detection sensor 1 includes three magnetic sensing parts 41 to 43 that detect magnetic field strength in respective directions along three axes perpendicular to each other, and …

DRIVE·Feb 22·2 min read

G01C17/30 AICHI STEEL CORP [JP]

Geomagnetic sensor for auto-calibration of magnetic field deviation and method of using the same

A geomagnetic sensor for auto-calibration of a deviation and a method of using the geomagnetic sensor. The geomagnetic sensor includes a geomagnetic detector including X-axis and Y-axis fluxgates orth…

DRIVE·Feb 15·1 min read

G01C17/30 SAMSUNG ELECTRO MECH [KR]

Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus

A method is designed for measuring a magnetic offset of a geomagnetic sensor equipped in a portable information terminal apparatus having a storage. The geomagnetic sensor has a magnetic sensitivity t…

DRIVE·Dec 14·1 min read

G01C17/30 YAMAHA CORP [JP]

Three-axis fluxgate-type magnetism detecting device and method

A three-axis fluxgate-type circuit having three fluxgate sensors for outputting three analog voltage values respectively. A controller normalizes three digital voltage values corresponding to said thr…

DRIVE·Jun 1·1 min read

G01C17/30 SAMSUNG ELECTRONICS CO LTD [KR]

Fluxgate sensor for measuring azimuth and azimuth measuring method

A two-axis fluxgate sensor has a driving pulse generating circuit which generates pulse signal and outputs as a driving signal, and X-axis and Y-axis fluxgates which are in proportional relation with …

DRIVE·May 18·1 min read

G01C17/30 SAMSUNG ELECTRONICS CO LTD [KR]

Geomagnetic sensor having a dip angle detection function and dip angle detection method therefor

A geomagnetic sensor supporting a dip angle detection function. The geomagnetic sensor includes a rotation angle measurement part for measuring pitch and roll angles of the main body with respect to t…

DRIVE·Mar 2·2 min read

G01C17/30 SAMSUNG ELECTRONICS CO LTD [KR]

Manufacturing method for magnetic sensor and lead frame therefor

A magnetic sensor (1) is constituted using magnetic sensor chips (2, 3) mounted on stages (6, 7) supported by interconnecting members (12, 13) and a frame (9) having leads (4) in a lead frame (10). He…

DRIVE·Feb 4·2 min read

G01C17/30 YAMAHA CORP [JP]

Magnetic detection element utilizing magneto-impedance effect, production method of the element, and portable equipment using the element

A magnetic detection element of the present invention for detecting a strength of an external magnetic field, comprises a magnetic thin film formed on a single non-magnetic substrate, a circuit that a…

DRIVE·Mar 19·1 min read

G01C17/30 CANON DENSHI KK [JP]

Electronic equipment

To provide an electronic equipment having a built-in electronic compass that detects terrestrial magnetism using a magnetic sensor, which is drivable with efficiency, and displays a compass direction …

DRIVE·Mar 12·1 min read

G01C17/30 SEIKO INSTR INC [JP]