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Class Information
Number: 340/870.38
Name: Communications: electrical > Continuously variable indicating (e.g., telemetering) > With particular transmitter (e.g., piezoelectric, dynamo) > Resistive transmitter
Description: Subject matter in which a transducer is a variable resistor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6173170 |
Radio telephone apparatus capable of detecting a drop of power source voltage |
Jan. 9, 2001 |
| 6075452 |
Field apparatus and field bus system and method of controlling field apparatus |
Jun. 13, 2000 |
| 5977777 |
Device in a motor vehicle for transmitting signals generated by means of a sensor |
Nov. 2, 1999 |
| 5841290 |
Method for sensing the presence and absence of an object |
Nov. 24, 1998 |
| 5712574 |
Apparatus for position detection and verification thereof using pulse patterns having sequentially unique properties |
Jan. 27, 1998 |
| 5699857 |
Vehicle climate control multiplex system |
Dec. 23, 1997 |
| 5691647 |
Object sensing device and method for using same |
Nov. 25, 1997 |
| 5684407 |
Electronic circuit packaged with a position sensor |
Nov. 4, 1997 |
| 5619196 |
Single wire keyboard encode and decode circuit |
Apr. 8, 1997 |
| 5589779 |
Potentiometer circuit providing identifiable open wiper signals |
Dec. 31, 1996 |
| 5581246 |
Multiple device control system |
Dec. 3, 1996 |
| 5581248 |
Embeddable device for contactless interrogation of sensors for smart structures |
Dec. 3, 1996 |
| 5574442 |
Inclination angle sensor |
Nov. 12, 1996 |
| 5515040 |
Methods of self-calibration for a key-type mouse |
May. 7, 1996 |
| 5508696 |
Rotational position-detecting device |
Apr. 16, 1996 |
| 5493290 |
Signal processing system for absolute-value sensors having periodic structures, particularly for position and angle sensors |
Feb. 20, 1996 |
| 5469156 |
Field sensor communication system |
Nov. 21, 1995 |
| 5399981 |
Closed continuous resistive track angular position sensor and measurement method |
Mar. 21, 1995 |
| 5345214 |
Variable range position indicator |
Sep. 6, 1994 |
| 5245333 |
Three wire low power transmitter |
Sep. 14, 1993 |
| 5191327 |
Programmable remote transducer with filtering, differentiation, integration, and amplification |
Mar. 2, 1993 |
| 5184120 |
Menu selection using adaptive force sensing resistor |
Feb. 2, 1993 |
| 5166678 |
Dual master implied token communication system |
Nov. 24, 1992 |
| 5166628 |
Sliding contact electrical path or angle sensor |
Nov. 24, 1992 |
| 5146172 |
Engine identification system |
Sep. 8, 1992 |
| 5146173 |
Position determining device |
Sep. 8, 1992 |
| 5144299 |
Telemetry power carrier pulse encoder |
Sep. 1, 1992 |
| 5144252 |
Method and apparatus for transducer measurements on a metallic pair |
Sep. 1, 1992 |
| 5111201 |
System radio transmission of liquid level data and battery saving technique |
May. 5, 1992 |
| 5014051 |
Increased resolution sensor circuit |
May. 7, 1991 |
| 4987372 |
Potentiometer state sensing circuit |
Jan. 22, 1991 |
| 4924221 |
Remote oil tank display apparatus |
May. 8, 1990 |
| 4884070 |
Method and apparatus for multiplexing switch signals |
Nov. 28, 1989 |
| 4849754 |
Remotely calibratable instrument system |
Jul. 18, 1989 |
| 4839579 |
Resistive steering sensor |
Jun. 13, 1989 |
| 4803886 |
Chain pull analyzer system |
Feb. 14, 1989 |
| 4804958 |
Two-wire transmitter with threshold detection circuit |
Feb. 14, 1989 |
| 4803420 |
Method of determining the position of the tap on a resistance teletransmitter |
Feb. 7, 1989 |
| 4799005 |
Electrical power line parameter measurement apparatus and systems, including compact, line-mounted modules |
Jan. 17, 1989 |
| 4743901 |
Signal transmission system |
May. 10, 1988 |
| 4737786 |
Measurement circuit suppressing variations in a display using an electric measurement transmitter |
Apr. 12, 1988 |
| 4723122 |
Remotely calibratable instrument system |
Feb. 2, 1988 |
| 4714025 |
Arrangement for a switchboard desk |
Dec. 22, 1987 |
| 4695840 |
Remote switch position determination using duty cycle modulation |
Sep. 22, 1987 |
| 4672322 |
High sensitivity conductivity detector |
Jun. 9, 1987 |
| 4652821 |
Device including selectively actuatable sensors and a multiplexer-demultiplexer for contact-free positional measurement of electronic position indicators |
Mar. 24, 1987 |
| RE32366 |
Boom limit safety control circuit |
Mar. 3, 1987 |
| 4631540 |
Angular position to linear voltage converter |
Dec. 23, 1986 |
| 4628316 |
Temperature compensation circuit and method for position sensors |
Dec. 9, 1986 |
| 4618861 |
Passive activity monitor for livestock |
Oct. 21, 1986 |
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