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Class Information
Number: 340/870.31
Name: Communications: electrical > Continuously variable indicating (e.g., telemetering) > With particular transmitter (e.g., piezoelectric, dynamo) > Inductive transmitter
Description: Subject matter wherein changes in inductance convey the information to be transmitted.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7554459 |
Method and system for remote updates of meters for metering the consumption of electricity, water or gas |
Jun. 30, 2009 |
| 7343261 |
Underwater sensor transmitter probe |
Mar. 11, 2008 |
| 7332679 |
Weighing device equipped with power supply mechanism having fixed section and movable section |
Feb. 19, 2008 |
| RE40018 |
Time-multiplexed short-range magnetic communications |
Jan. 22, 2008 |
| 7193832 |
Magnetically coupled device and electronic equipment employing same |
Mar. 20, 2007 |
| 7079012 |
System and method for distributing broadband communication signals over power lines |
Jul. 18, 2006 |
| 7064676 |
Downhole data transmission system |
Jun. 20, 2006 |
| 7053791 |
Inductive transformer |
May. 30, 2006 |
| 7005967 |
Validation of the presence of an electromagnetic transponder in the field of an amplitude demodulation reader |
Feb. 28, 2006 |
| 6970099 |
Apparatus, system, and method for detecting and reimpressing electrical charge disturbances on a drill-pipe |
Nov. 29, 2005 |
| 6929396 |
System for temperature monitoring |
Aug. 16, 2005 |
| 6885310 |
Phase difference detection device and method for a position detector |
Apr. 26, 2005 |
| 6859762 |
Low voltage low power signal processing system and method for high accuracy processing of differential signal inputs from a low power measuring instrument |
Feb. 22, 2005 |
| 6771064 |
Inductive sensor apparatus and method for deploying |
Aug. 3, 2004 |
| 6756759 |
Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor |
Jun. 29, 2004 |
| 6696974 |
Cable device for detecting and monitoring rock and soil displacement |
Feb. 24, 2004 |
| 6670804 |
Method for determining the angular position of a rotative part which performs a rotational movement |
Dec. 30, 2003 |
| 6650226 |
Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder |
Nov. 18, 2003 |
| 6522951 |
Method and device for controlling a robot |
Feb. 18, 2003 |
| 6486796 |
Relative-displacement detecting unit |
Nov. 26, 2002 |
| 6429787 |
Rotating RF system |
Aug. 6, 2002 |
| 6366217 |
Wide area remote telemetry |
Apr. 2, 2002 |
| 6366218 |
Articulated transformer for measuring torque on a rotating shaft |
Apr. 2, 2002 |
| 6348677 |
Sensor circuit for detecting the presence of a pan on an electric cooker hob |
Feb. 19, 2002 |
| 6329928 |
Magnetic induction meter intra-building communication system |
Dec. 11, 2001 |
| 6278379 |
System, method, and sensors for sensing physical properties |
Aug. 21, 2001 |
| 6275043 |
Test device for testing a module for a data carrier intended for contactless communication |
Aug. 14, 2001 |
| 6275144 |
Variable low frequency offset, differential, ook, high-speed power-line communication |
Aug. 14, 2001 |
| 6271767 |
Inductively coupled underwater modem |
Aug. 7, 2001 |
| 6243023 |
Encoder and parameter establishing device therefor |
Jun. 5, 2001 |
| 6181257 |
Universal utility usage data gathering system |
Jan. 30, 2001 |
| 6166655 |
Device and method for identifying magnetic induction coordinate |
Dec. 26, 2000 |
| 6154635 |
Antenna driving device for transponder |
Nov. 28, 2000 |
| 6145445 |
Rail vehicle bogie, a method of machining the bogie, and a tool for implementing the method |
Nov. 14, 2000 |
| 6121894 |
Low cost time domain reflectometry system for bridge scour detection and monitoring |
Sep. 19, 2000 |
| 6111520 |
System and method for the wireless sensing of physical properties |
Aug. 29, 2000 |
| 6075461 |
Disposable electromagnetic signal repeater |
Jun. 13, 2000 |
| 6034615 |
Automatic revolution counting and data transmission device |
Mar. 7, 2000 |
| 5942991 |
Resonant sensor system and method |
Aug. 24, 1999 |
| 5917429 |
Contactless communication system |
Jun. 29, 1999 |
| 5907292 |
Circuit for transmitting a measurement current from an intrinsically safe sensor to a non-intrinsically safe area |
May. 25, 1999 |
| 5898388 |
Rolling contact bearing with rotational speed measuring device |
Apr. 27, 1999 |
| 5880677 |
System for monitoring and controlling electrical consumption, including transceiver communicator control apparatus and alternating current control apparatus |
Mar. 9, 1999 |
| 5825302 |
System and method for transmitting data using reflected electromagnetic radiation |
Oct. 20, 1998 |
| 5815089 |
Device for transmitting signals from position detector and method of such signal transmission |
Sep. 29, 1998 |
| 5808558 |
Remote universal send/receive utility usage data gathering system |
Sep. 15, 1998 |
| 5801644 |
Apparatus for measurement of torque on a rotating shaft |
Sep. 1, 1998 |
| 5796250 |
Plural rotary member position encoder having electromagnetically coupled resonant frequency multiplexed outputs for respectively associated rotatable members |
Aug. 18, 1998 |
| 5774068 |
Absolute signal detecting method and absolute encoder |
Jun. 30, 1998 |
| 5767792 |
Method for calibrating a temperature sensing transponder |
Jun. 16, 1998 |
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