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Class Information
Number: 340/870.18
Name: Communications: electrical > Continuously variable indicating (e.g., telemetering) > Using a particular modulation (e.g., phase, frequency, or amplitude)
Description: Subject matter wherein the characteristic of a wave (carrier) is modified so that it varies with the instantaneous value of the quantity telemetered (modulating wave).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7529300 |
Shaped-offset quadrature amplitude modulation methods and apparatus |
May. 5, 2009 |
| 7412899 |
MEMS-based monitoring |
Aug. 19, 2008 |
| 7382208 |
Operating method for the resonant operation of high-pressure lamps in longitudinal mode, and an associated system and electronic ballast |
Jun. 3, 2008 |
| 7324011 |
Method and system for pipeline communication |
Jan. 29, 2008 |
| 7265682 |
Joint source-channel coding for multicarrier modulation |
Sep. 4, 2007 |
| 7193511 |
Rapid-mounting security monitoring and controlling system |
Mar. 20, 2007 |
| 7133763 |
Control apparatus for controlling a plant by using a delta-sigma modulation algorithm |
Nov. 7, 2006 |
| 7102509 |
Computer interface system for tracking of radio frequency identification tags |
Sep. 5, 2006 |
| 7102534 |
Apparatus for measuring piston temperature |
Sep. 5, 2006 |
| 7084741 |
Method for communication between a first station and a second station, and a controller and remote station using the communication method |
Aug. 1, 2006 |
| 7027357 |
Acoustic communication device and acoustic signal communication method |
Apr. 11, 2006 |
| 7016403 |
Apparatus and method for determining the quality of a digital signal |
Mar. 21, 2006 |
| 7007305 |
Repeater amplifier with signal firewall protection for power line carrier communication networks |
Feb. 28, 2006 |
| 6968728 |
Test tap adapter for extracting dissolved gases from insulating oil and measuring electrical parameters of a transformer bushing |
Nov. 29, 2005 |
| 6943640 |
Current source modulator |
Sep. 13, 2005 |
| 6871785 |
Method and device for compensating undesired variations in an electrical signal generated by an optical code reader |
Mar. 29, 2005 |
| 6788194 |
Antenna device and tire pressure monitoring system including same |
Sep. 7, 2004 |
| 6756759 |
Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor |
Jun. 29, 2004 |
| 6744367 |
Identification tag |
Jun. 1, 2004 |
| 6529443 |
Two-conductor bidirectional digital seismic telemetry interface |
Mar. 4, 2003 |
| 6492898 |
Data transmission system for pipelines |
Dec. 10, 2002 |
| 6345203 |
System and method for powering, controlling, and communicating with multiple inductively-powered devices |
Feb. 5, 2002 |
| 6292923 |
Configurable interface module |
Sep. 18, 2001 |
| 6275144 |
Variable low frequency offset, differential, ook, high-speed power-line communication |
Aug. 14, 2001 |
| 6263247 |
System and method for powering, controlling, and communicating with multiple inductively-powered devices |
Jul. 17, 2001 |
| 6239571 |
Resolver |
May. 29, 2001 |
| 6239722 |
System and method for communication between remote locations |
May. 29, 2001 |
| 6225917 |
Electromagnetic field probe having a non-electrical transmission modality |
May. 1, 2001 |
| 6215403 |
Wireless monitoring system |
Apr. 10, 2001 |
| 6181258 |
Receiver capable of parallel demodulation of messages |
Jan. 30, 2001 |
| 6113260 |
Configurable interface module |
Sep. 5, 2000 |
| 6075452 |
Field apparatus and field bus system and method of controlling field apparatus |
Jun. 13, 2000 |
| 6015233 |
System for monitoring the temperature of a rotating devices |
Jan. 18, 2000 |
| 5959550 |
Remote meter reading system |
Sep. 28, 1999 |
| 5874903 |
RF repeater for automatic meter reading system |
Feb. 23, 1999 |
| 5784686 |
IQ combiner technology in modulated backscatter system |
Jul. 21, 1998 |
| 5764161 |
Sensing apparatus using frequency changes |
Jun. 9, 1998 |
| 5724030 |
System monitoring reprogrammable implantable transponder |
Mar. 3, 1998 |
| 5703574 |
Method and device for transferring a measurement signal from a revolving roll used in a paper making machine |
Dec. 30, 1997 |
| 5691714 |
Process for the serial transmission of digital measurement values |
Nov. 25, 1997 |
| 5684451 |
Communication system and method |
Nov. 4, 1997 |
| 5682149 |
Measuring device for the wire-free measurement of temperature |
Oct. 28, 1997 |
| 5659303 |
Method and apparatus for transmitting monitor data |
Aug. 19, 1997 |
| 5654698 |
Missile telemetry data interface circuit |
Aug. 5, 1997 |
| 5640154 |
Insulation monitoring system for insulated high voltage apparatus |
Jun. 17, 1997 |
| 5635919 |
Sensing apparatus |
Jun. 3, 1997 |
| 5619192 |
Apparatus and method for reading utility meters |
Apr. 8, 1997 |
| 5594431 |
Remote meter reading |
Jan. 14, 1997 |
| 5563847 |
Seismic signal acquisition method and device |
Oct. 8, 1996 |
| 5525976 |
Temperature measuring system |
Jun. 11, 1996 |
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