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Class Information
Number: 340/870.01
Name: Communications: electrical > Continuously variable indicating (e.g., telemetering)
Description: Subject matter for giving an indication, at a receiving station, which is substantially continuous from a lower value to an upper value, said indication being under the control of a transmitter, said control being exercised over an electric circuit.

Sub-classes under this class:

Class Number Class Name Patents
340/870.07 Combined (tm system with other system) 311
340/870.16 Condition responsive 421
340/870.1 For radio sonde 38
340/870.26 Frequency variation 65
340/870.25 Phase variation 37
340/870.27 Plural circuits, each for particular magnitude 25
340/870.11 Plural transmitters 284
340/870.18 Using a particular modulation (e.g., phase, frequency, or amplitude) 150
340/870.28 Via radiant energy beam (via particular energy) 198
340/870.05 With calculation 87
340/870.04 With calibration 83
340/870.02 With meter reading 854
340/870.4 With particular receiver (e.g., ratiometer) 14
340/870.3 With particular transmitter (e.g., piezoelectric, dynamo) 86
340/870.39 With supply voltage regulation or compensation 122

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8301931 Time synchronization of portable devices Oct. 30, 2012
8279586 Modules for monitoring patients and related systems and methods Oct. 2, 2012
8269651 Modular wireless fixed network for wide-area metering data collection and meter module apparatus Sep. 18, 2012
8266129 System for endoscope data management, and system and data manager for washing data management Sep. 11, 2012
8264371 Method and device for communicating change-of-value information in a building automation system Sep. 11, 2012
8258957 Methods and apparatus for switching a transponder to an active state, and asset management systems employing same Sep. 4, 2012
8253585 Three-phase multifunction verifier Aug. 28, 2012
8242930 Intelligent vehicle dashboard Aug. 14, 2012
8238196 Sensor module having multiple parts for use in a wireless survey data acquisition system Aug. 7, 2012
8237587 Continuously-arranged sensor system, network unit, and sensor unit Aug. 7, 2012
8237586 Method and system for recognizing statuses of electric appliances Aug. 7, 2012
8232888 Interactive magnetic marker field for safety systems and complex proximity warning system Jul. 31, 2012
8223034 Horizontal pit mount interface device Jul. 17, 2012
8217803 Wireless data acquisition network and operating methods Jul. 10, 2012
8212687 Load side voltage sensing for AMI metrology Jul. 3, 2012
8207865 Method of remote metering of energy Jun. 26, 2012
8198527 Field-deployable electronics platform having thermoelectric power source and electronics module Jun. 12, 2012
8193929 Integrated adaptive wireless mesh sensor platform and energy visualization and management system Jun. 5, 2012
8176803 High-temperature sensor interface and network May. 15, 2012
8161191 Method and system for providing network and routing protocols for utility services Apr. 17, 2012
8138934 System and method for false alert filtering of event messages within a network Mar. 20, 2012
8130101 Embedded power cable sensor array Mar. 6, 2012
8098169 Methods and apparatus for monitoring a plurality of worksites Jan. 17, 2012
8089372 Method for transmission of data for controlling an HVDC transmission installation Jan. 3, 2012
8073384 Optimization of redundancy and throughput in an automated meter data collection system using a wireless network Dec. 6, 2011
8058998 Elongated twin feed line RFID antenna with distributed radiation perturbations Nov. 15, 2011
8031053 RFID label time synchronization Oct. 4, 2011
8013732 Systems and methods for monitoring and controlling remote devices Sep. 6, 2011
8000913 System and method for providing power distribution system information Aug. 16, 2011
7994886 Fault tolerant solid state push button control system with built in diagnostic Aug. 9, 2011
7996031 Method and system for providing a network protocol for utility services Aug. 9, 2011
7991556 Methodology and application of multimodal decomposition of a composite distribution Aug. 2, 2011
7978095 Test mode circuitry for a programmable tamper detection circuit Jul. 12, 2011
7978059 System and method for monitoring and controlling remote devices Jul. 12, 2011
7974744 Multiple telemetry stream parsing and reconstruction system Jul. 5, 2011
7969300 Signal transmission between a sensor and a controller device in a wireless sensor network Jun. 28, 2011
7969348 Systems and methods for obtaining and using data from a localized location and telemetry system in a wide area location and telemetry system Jun. 28, 2011
7953216 Systems and methods for RFID-based access management of electronic devices May. 31, 2011
7948373 Method for reducing power consumption of sensors May. 24, 2011
7886981 Information processing system, and information processing apparatus and method Feb. 15, 2011
7876225 Methods and apparatus for switching a transponder to an active state, and asset management systems employing same Jan. 25, 2011
7873441 System for execution of a load operating plan for load control Jan. 18, 2011
7868781 Encoder Jan. 11, 2011
7843359 Fault management system using satellite telemetering technology and method thereof Nov. 30, 2010
7840383 Operationalizing a power usage monitoring system Nov. 23, 2010
7821420 Signal transmission system for a measurement device Oct. 26, 2010
7817039 Dynamic display of RFID and sensor data Oct. 19, 2010
7797009 Method and system for providing a network protocol for utility services Sep. 14, 2010
7786893 Battery saving two-way communication circuit and system and method for automatic meter reading Aug. 31, 2010
7782188 System and program product for signal transmission between a sensor and a controller in a wireless sensor network Aug. 24, 2010

1 2 3 4 5 6 7

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