Patents
Patents for G01R 7 - Instruments capable of converting two or more currents or voltages into a single mechanical displacement (437)
08/2001
08/16/2001EP1123465A1 Fluid thrust bearing - indicator with an assembling
07/2001
07/25/2001EP1118864A1 Coil type meter
07/04/2001EP0920634B1 Electromagnetic control motor device, particularly a ratio metre
06/2001
06/19/2001US6249116 Driving unit of cross-coil type indicating instrument
04/2001
04/12/2001DE10027889A1 Crossed winding automobile indicating instrument
04/03/2001US6211585 Stepping motor type indicator having a pole tooth with reduced end area
03/2001
03/07/2001CN1286755A Method for driving meter
02/2001
02/20/2001US6190049 Fluid thrust bearing for indicating instruments and the like
02/14/2001EP0811269B1 Two-phase motor, particularly a time piece motor or a motor for driving the hand of a display
02/08/2001WO2001009624A1 Coil type meter
02/06/2001US6184674 Indicating instrument with migration barriers
01/2001
01/24/2001EP1070967A1 Method and apparatus for electronic meter testing
10/2000
10/04/2000EP1041388A1 Method for driving meter
09/2000
09/26/2000US6124774 Electromagnetic control motor device, particularly a ratio meter
08/2000
08/30/2000EP1031818A2 Instrument pointer stepper motor homing using a soft stop
08/29/2000US6112138 Programming response of electronically-controlled gauges
08/29/2000CA2130434C Method and apparatus for electronic meter testing
07/2000
07/19/2000EP1007982A4 Moving magnet indicating instruments
06/2000
06/28/2000CN1053965C Method and apparatus for displaying measured electric energy by electronic mode
06/14/2000EP1007982A1 Moving magnet indicating instruments
05/2000
05/18/2000WO1997013154A8 Crossed coil gauge with active flux ring
05/16/2000US6062063 Stepper motor homing using a soft stop
05/02/2000US6055857 Instrument cluster gauge mounting means
04/2000
04/27/2000WO2000023719A1 Fluid thrust bearing - indicator with an assembling
04/06/2000WO2000019216A1 Method for driving meter
04/04/2000US6046583 Miniature crossed coil gauge having an active flux ring
03/2000
03/28/2000US6043574 Two-phase motor, particularly a time piece motor or a motor for driving the hand of a display
03/07/2000US6034501 Device for driving stepper motor type measuring instrument
03/02/2000DE19837824A1 Pointer display instrument, e.g. automobile dashboard combination instrument, has control value obtained by pointer movement from mechanical rest position to given pointer position for subsequent compensation of pointer position
01/2000
01/25/2000US6018302 Mechanical pointer drive for avionics display
01/11/2000US6014075 Indicating instrument having stepping motor
12/1999
12/16/1999DE19926088A1 Drive unit of crossed coil indicating instrument with coil body and pair of crossed coils crossed over by each other
12/07/1999US5999108 Avionics display pointer sensor
11/1999
11/30/1999US5994893 Driving apparatus for stepping motor type instrument
11/24/1999EP0959359A1 Stepping motor type indicators
11/16/1999US5986445 Cross-coil type indicating instrument having a zero-return magnetic projection member
10/1999
10/14/1999DE19910617A1 Crossed-coil indicating instrument for vehicle or industrial use
10/13/1999EP0949747A1 Polyphase motor, in particular for driving the hand of a display
09/1999
09/29/1999CN1229921A Method and apparatus for electronic meter testing
08/1999
08/31/1999US5945750 Stepping motor
08/19/1999DE19906068A1 Indicating instrument for use in motor vehicles
06/1999
06/09/1999EP0920634A1 Electromagnetic control motor device, particularly a ratio metre
05/1999
05/19/1999CN1217061A Electromagnetic control motor device, particularly ratio meter
05/06/1999WO1999012171A3 Method for positioning a pointer of an indicator device
04/1999
04/29/1999WO1999021019A1 Indicator with electric control comprising drive windings, in particular logometer
03/1999
03/11/1999WO1999012171A2 Method for positioning a pointer of an indicator device
03/11/1999WO1999012046A1 Pointer indicator
03/09/1999US5880551 Polyphase motor, particularly for driving an indicator needle
03/04/1999DE19737725A1 Verfahren zum Positionieren eines Zeigers einer Anzeigeeinrichtung A method of positioning a pointer to a display device
03/02/1999US5877694 Indicating instrument and method of operation thereof
12/1998
12/29/1998US5854552 Moving magnet indicating instruments with a plurality of damping fluid migration barriers
12/08/1998US5847531 Process for reducing the strength of an uncontrolled pointer movement
12/08/1998US5847475 Method of correction between electrical phase angle and mechanical output angle of stepper motor
10/1998
10/28/1998EP0739501B1 Correction process between the electric phase angle and mechanical output angle of a step motor
10/21/1998CN1196792A Device for driving stepping motor-type instrument
10/20/1998US5825338 Instrument display method and system for passenger vehicle
10/20/1998US5825115 Electric motor and indicating mechanism, in particular for indicating instruments in motor vehicles
09/1998
09/09/1998EP0863382A1 Device for driving stepping motor-type instrument
07/1998
07/22/1998CN1188539A Device for driving stepper motor type measuring instrument
07/21/1998US5783939 Stepper motor gauge calibration by AC feedback
07/02/1998WO1998028627A1 Moving magnet indicating instruments
06/1998
06/25/1998DE19757545A1 Display device for automobile dashboard
06/02/1998US5761074 Frequency data converter and meter apparatus
04/1998
04/29/1998EP0627083B1 Method and apparatus for electronic meter testing
04/01/1998EP0833131A1 Device for driving stepper motor type measuring instrument
03/1998
03/19/1998WO1998001339A3 Avionics display pointer sensor
03/04/1998EP0583392B1 Instrument display panel for passenger vehicle
03/03/1998US5723964 Method and device for controlling step motor
02/1998
02/05/1998WO1998004888A1 Measured value indicator system
01/1998
01/15/1998WO1998001339A2 Avionics display pointer sensor
01/08/1998WO1998000684A1 Device for driving stepping motor-type instrument
12/1997
12/16/1997US5698974 Robust gauge driving circuit with pulse modulated input
12/10/1997EP0811269A1 Two-phase motor, particularly a time piece motor or a motor for driving the hand of a display
11/1997
11/12/1997EP0806633A2 Instrument display method and system for passenger vehicle
11/11/1997US5686832 Miniature crossed coil gauge having an active flux ring
10/1997
10/29/1997EP0803741A1 Method and apparatus for electronic testing of electricity meters
10/16/1997WO1997038319A1 Electromagnetic control motor device, particularly a ratio metre
10/16/1997WO1997038285A1 Device for driving stepper motor type measuring instrument
09/1997
09/09/1997US5665897 Method of calibrating and zeroing stepper motor gauges
08/1997
08/19/1997US5658165 Electric connection structure between electric parts and flexible wiring plate
07/1997
07/03/1997WO1997023943A1 Two-phase motor, particularly a time piece motor or a motor for driving the hand of a display
06/1997
06/03/1997US5635622 Method of compensating for gauge hysteresis
05/1997
05/20/1997US5631430 Method and apparatus for enhanced gauge resolution
04/1997
04/24/1997DE19539138A1 Motor with two stator windings especially for vehicular instrumentation
04/23/1997EP0769841A2 Electromotor and measuring device, in particular for indicating instrument in vehicle
04/22/1997US5623096 For measuring local flow within boundary layers
04/10/1997WO1997013154A1 Crossed coil gauge with active flux ring
04/10/1997CA2233895A1 Miniature crossed-coil gauge having an active flux ring
03/1997
03/11/1997US5610513 Cross coil meter with correction for resistance variations
01/1997
01/29/1997EP0756175A1 Indicating instrument having stepping motor
01/08/1997CN2244729Y Electromechanical reactive power display apparatus
11/1996
11/26/1996US5578918 For driving an indicator in a meter
10/1996
10/30/1996EP0739501A1 Correction process between the electric phase angle and mechanical output angle of a step motor
10/09/1996EP0736964A1 Basic device system for a stepping motor having improved reset means
09/1996
09/19/1996DE19610059A1 Operating method for analogue indicator meter
09/19/1996DE19608480A1 Pointer type speedometer e.g. for motor vehicle
09/12/1996DE19608691A1 Indicating unit of pointer type with pointer driven by stepper motor
08/1996
08/27/1996US5550465 Driving apparatus for cross-coil type analog indicating instrument
08/22/1996DE19605095A1 Control of stepper motor e.g. for motor vehicle
08/14/1996EP0726639A2 Step motor
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