| Patents for G01R 5 - Instruments for converting a single current or a single voltage into a mechanical displacement (553) |
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| 12/05/2001 | EP0863382B1 Device for driving stepping motor-type instrument |
| 11/27/2001 | US6323637 Miniature crossed coil gauge having an active flux ring |
| 11/13/2001 | US6316942 Electrical potential sensor |
| 10/23/2001 | US6307292 Galvanometer with axial symmetry and improved bearing design |
| 10/09/2001 | US6300563 Gauge assembly having an adaptable coil assembly |
| 07/24/2001 | US6265794 Method for tuning the resonant frequency of crossed-flexure pivot galvanometers |
| 07/19/2001 | DE10065447A1 Rotary magnet galvanometer has four-part electrode on distance holder opposite common electrode with small air gap of predetermined size guaranteed by mounting holder on housing |
| 07/12/2001 | WO2001050139A2 Galvanometer with axial symmetry and improved bearing design |
| 07/04/2001 | EP0920634B1 Electromagnetic control motor device, particularly a ratio metre |
| 07/04/2001 | CN1301953A Movable magnetic iron type flow meter |
| 06/21/2001 | US20010004208 Static event detection / protection device |
| 05/31/2001 | US20010002103 Static event detection/protection device |
| 05/10/2001 | WO2001033701A1 Method for tuning the resonant frequency of a galvanometer |
| 04/17/2001 | US6216630 Bearing arrangement and indicating instrument using the same |
| 04/03/2001 | US6211585 Stepping motor type indicator having a pole tooth with reduced end area |
| 03/07/2001 | CN1286755A Method for driving meter |
| 02/07/2001 | CN2418483Y Magnetic regulation mechanism for magnetic path system of internal magnetic electromagnetic instruments and meters |
| 01/10/2001 | CN2414419Y Automatic resetting electric type instrument movement |
| 01/09/2001 | US6172496 Static event detection/protection device |
| 01/09/2001 | US6170323 Self-diagnosis apparatus for vehicle meters and method starting a self-diagnosis mode for vehicle meters |
| 11/22/2000 | EP1053452A1 Shaft drive |
| 10/10/2000 | US6130532 Indicator movement |
| 10/04/2000 | EP1041388A1 Method for driving meter |
| 09/26/2000 | US6124774 Electromagnetic control motor device, particularly a ratio meter |
| 07/25/2000 | US6092355 Control system |
| 05/30/2000 | US6067867 Mini instrument needle indicator |
| 05/18/2000 | WO2000028336A1 Measuring device, sub-assembly thereof, and method of manufacturing the sub-assembly |
| 05/18/2000 | WO1997013154A8 Crossed coil gauge with active flux ring |
| 04/12/2000 | CN2373798Y Pulse measurer for electric meter |
| 04/06/2000 | WO2000019216A1 Method for driving meter |
| 04/04/2000 | US6046583 Miniature crossed coil gauge having an active flux ring |
| 03/16/2000 | DE19941407A1 Indicator movement for vehicle, aircraft or ship; has internal coil formers slidably engaged with rectangular opening in external coil formers |
| 02/08/2000 | US6023741 Pulse width modulation control which data transfer is inhibited by overflow signal |
| 01/25/2000 | US6018240 Cross-coil measuring meter driving device having a period range judging means and an after-change supply prevention means |
| 01/11/2000 | US6014075 Indicating instrument having stepping motor |
| 01/05/2000 | CN1240513A Instrument for measuring eddy currents |
| 01/05/2000 | CN1240512A Eddy current measuring arrangement for an indicating instrument |
| 11/30/1999 | US5994893 Driving apparatus for stepping motor type instrument |
| 11/24/1999 | EP0959359A1 Stepping motor type indicators |
| 10/19/1999 | CA2032801C Mounting of a pointer to the rotor of an air core meter |
| 09/08/1999 | CN2337558Y Multiple-spark generator |
| 08/19/1999 | WO1999041571A1 Shaft drive |
| 08/19/1999 | DE19806118A1 Wellenantriebsvorrichtung Shaft drive apparatus |
| 06/09/1999 | EP0920634A1 Electromagnetic control motor device, particularly a ratio metre |
| 05/27/1999 | DE19852751A1 Bearing arrangement for rotating shaft electric coil display instrument in vehicle |
| 05/19/1999 | CN1217061A Electromagnetic control motor device, particularly ratio meter |
| 03/31/1999 | EP0879420A4 Improved charge rate electrometer |
| 03/11/1999 | WO1999012046A1 Pointer indicator |
| 02/11/1999 | WO1999006846A1 Electric measuring instrument |
| 01/20/1999 | CN1205465A Pulse width modulation control which data transfer is inhibited by overflow signal |
| 12/16/1998 | CN2300915Y DC large current sensor |
| 11/25/1998 | EP0879420A1 Improved charge rate electrometer |
| 10/21/1998 | CN1196792A Device for driving stepping motor-type instrument |
| 10/01/1998 | DE19810027A1 Crossed-coil controller for vehicle speed measurement instrument |
| 09/30/1998 | EP0868028A2 Pulse width modulation circuit |
| 09/24/1998 | DE19810583A1 Driver for crossed coils measuring device for speed of vehicle or rpm of vehicle engine |
| 09/09/1998 | EP0863382A1 Device for driving stepping motor-type instrument |
| 08/04/1998 | US5790355 Electric appliance |
| 07/28/1998 | US5786688 Electrical ammeter including an induction coil |
| 06/25/1998 | WO1998027436A1 Instrument for measuring eddy currents |
| 06/18/1998 | WO1998026296A1 Eddy current measuring arrangement for an indicating instrument |
| 06/18/1998 | DE19652082A1 Wirbelstrommesswerk Eddy current measuring unit |
| 06/18/1998 | DE19651614A1 Wirbelstrommeßwerk für ein Zeigerinstrument Wirbelstrommeßwerk for a pointer instrument |
| 06/16/1998 | US5767425 Surface bearing for indicating instrument |
| 06/02/1998 | US5761074 Frequency data converter and meter apparatus |
| 04/08/1998 | CN2278221Y Mixed permanent magnet assembly for instrument and meter |
| 01/29/1998 | DE19634075A1 Pointer drive system for indicating instrument having rotor with rotary magnet e.g. for motor vehicle voltmeter or temperature gauge |
| 01/08/1998 | WO1998000684A1 Device for driving stepping motor-type instrument |
| 11/13/1997 | DE19619115A1 Pulse activated stepper motor, esp of motor vehicle tachometers |
| 11/11/1997 | US5686832 Miniature crossed coil gauge having an active flux ring |
| 10/16/1997 | WO1997038319A1 Electromagnetic control motor device, particularly a ratio metre |
| 10/09/1997 | DE19613321A1 Pointer drive system with linear drive and driven part |
| 07/02/1997 | CN2257381Y Ram bending support for moving-coil instrument |
| 04/10/1997 | WO1997013154A1 Crossed coil gauge with active flux ring |
| 04/10/1997 | CA2233895A1 Miniature crossed-coil gauge having an active flux ring |
| 02/12/1997 | CN2247342Y Movement for step digital electronic instrument and meter |
| 01/29/1997 | EP0756175A1 Indicating instrument having stepping motor |
| 01/16/1997 | WO1997001885A1 Improved charge rate electrometer |
| 01/15/1997 | EP0753719A1 A device for controlling a magneto-electric instrument with crossed coils, for motor-vehicles |
| 11/26/1996 | US5578918 For driving an indicator in a meter |
| 11/05/1996 | US5572118 Charge rate electrometer including means for substantially eliminating leakage currents |
| 09/04/1996 | CN2234618Y Magnetically adjustable magneto-electric electric meter |
| 08/27/1996 | US5550526 Thermal detection elements with heater |
| 08/27/1996 | US5550465 Driving apparatus for cross-coil type analog indicating instrument |
| 07/23/1996 | US5539319 Surface potential electrometer |
| 07/03/1996 | EP0720022A1 Thermal detection elements |
| 03/28/1996 | DE19534146A1 Stepper-motor driven pointer instrument with timer unit for vehicle instrument panel |
| 02/06/1996 | US5489842 Method and apparatus for determining the rotational position of a magnetic rotor relative to current carrying coils utilizing magnetic coupling between coils |
| 01/23/1996 | CA2150663A1 Control system |
| 11/07/1995 | CA2048118C Indicating instruments |
| 10/18/1995 | CN2210396Y Electrostatic detector |
| 09/14/1995 | WO1995024653A1 Measuring instrument with eccentrically positioned coil |
| 09/06/1995 | EP0670470A1 Pulse width modulation and signal averaging circuit for a meter driver |
| 09/05/1995 | US5448163 Meter drive including a timer for generating update cycles at a frequency larger than the input clock pulses and digital filtering |
| 08/29/1995 | US5446655 Multiple-meter driving apparatus |
| 06/13/1995 | US5424632 Moving magnet optical scanner with novel rotor design |
| 05/17/1995 | CN1028450C Electromagnetic Nd-Fe-B electric meter |
| 03/29/1995 | CN2193550Y Meter of wide angle watt-hour meter |
| 01/03/1995 | US5378980 Cross coil type indicating instrument with an externally adjustable stopper plate |
| 11/17/1994 | EP0624779A1 Device for measuring the angular position of a rotor |