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Class Information
Number: 324/611
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > With auxiliary means to condition stimulus/response signals > For sensing > Including a remote type circuit
Description: Subject matter wherein the additional means for sensing operates at a distance from the circuit or substance being measured or tested.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7276915 |
Electrical service monitoring system |
Oct. 2, 2007 |
| 7212012 |
Method of and system for regulating output voltage |
May. 1, 2007 |
| 7102531 |
Remote controller for television/video recorder having a function of measuring body fat and body fat meter |
Sep. 5, 2006 |
| 7084640 |
Operating and evaluation circuit of an insect sensor |
Aug. 1, 2006 |
| 6906533 |
TV remote control unit with body fat measurement function |
Jun. 14, 2005 |
| 6844739 |
Maximum power point tracking method and device |
Jan. 18, 2005 |
| 6462560 |
Sensor analyzer with reduced low frequency noise |
Oct. 8, 2002 |
| 6348802 |
Device for enhancing contact checking |
Feb. 19, 2002 |
| 5999002 |
Contact check for remote sensed measurement |
Dec. 7, 1999 |
| 5977777 |
Device in a motor vehicle for transmitting signals generated by means of a sensor |
Nov. 2, 1999 |
| 5886530 |
Test contact connection checking method and circuit |
Mar. 23, 1999 |
| 5786698 |
Transducer Bootstrapping apparatus |
Jul. 28, 1998 |
| 5684407 |
Electronic circuit packaged with a position sensor |
Nov. 4, 1997 |
| 5677476 |
Sensor and transmitter with multiple outputs |
Oct. 14, 1997 |
| 5644617 |
Method and apparatus for testing cables |
Jul. 1, 1997 |
| 5635845 |
Detection of cross-linking in pre-cure stage polymeric materials by measuring their resistance |
Jun. 3, 1997 |
| 5566572 |
Circuitry to minimize stray capacitance effects in a capacitive liquid level measurement device |
Oct. 22, 1996 |
| 5489888 |
Sensor system for contactless distance measuring |
Feb. 6, 1996 |
| 5463323 |
Impedance meter |
Oct. 31, 1995 |
| 5279145 |
Heater control device for an air-fuel ratio sensor |
Jan. 18, 1994 |
| 5278513 |
Continuous condition sensing system |
Jan. 11, 1994 |
| 5182519 |
Heater control device for an air-fuel ratio sensor |
Jan. 26, 1993 |
| 5166625 |
Automatic device for measuring the noise level of electronic components |
Nov. 24, 1992 |
| 5083080 |
High frequency signal measuring equipment with cabled detecting and signal companding |
Jan. 21, 1992 |
| 5045797 |
Continuous condition sensing system determining liquid level by admittance measurement |
Sep. 3, 1991 |
| 5001436 |
Device for measuring the water content of a substrate, in particular the skin |
Mar. 19, 1991 |
| 4950998 |
Continuous condition sensing system |
Aug. 21, 1990 |
| 4841229 |
Method of and circuit for ohmmeter calibration |
Jun. 20, 1989 |
| 4823071 |
Capacitive measuring system for measuring the distance between two relatively movable parts |
Apr. 18, 1989 |
| 4820973 |
Impedance measuring system |
Apr. 11, 1989 |
| 4806848 |
Compressor blade clearance measurement system |
Feb. 21, 1989 |
| 4795962 |
Floating driver circuit and a device for measuring impedances of electrical components |
Jan. 3, 1989 |
| 4788488 |
Continuous condition sensing system |
Nov. 29, 1988 |
| 4743837 |
Circuit for measuring capacitance by charging and discharging capacitor under test and its shield |
May. 10, 1988 |
| 4737706 |
Capacitance measuring circuit |
Apr. 12, 1988 |
| 4719409 |
Digital signal output capacitance sensor displacement gauging system |
Jan. 12, 1988 |
| 4686531 |
Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus |
Aug. 11, 1987 |
| 4675670 |
Apparatus for the dynamic and non-contact measurement of small distances |
Jun. 23, 1987 |
| 4654581 |
Capacitive mask aligner |
Mar. 31, 1987 |
| 4604898 |
Pressure measuring device |
Aug. 12, 1986 |
| 4568874 |
RF Admittance apparatus and method for monitoring the contents of a pipe |
Feb. 4, 1986 |
| 4555941 |
Capacitance-type material level indicator |
Dec. 3, 1985 |
| 4532510 |
Measuring apparatus having a sensor located remotely from its electricity power supply |
Jul. 30, 1985 |
| 4476430 |
Non-contact sensor for determining moving flat steel strip shape profile |
Oct. 9, 1984 |
| 4434397 |
Remote load current sensor |
Feb. 28, 1984 |
| 4408282 |
AC Resistance measuring instrument |
Oct. 4, 1983 |
| 4398145 |
Electrical resistance measurement |
Aug. 9, 1983 |
| 4380764 |
Data acquisition apparatus |
Apr. 19, 1983 |
| 4347741 |
Control system for a capacitive level sensor |
Sep. 7, 1982 |
| 4347478 |
Capacitive gauge |
Aug. 31, 1982 |
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