Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 324/207.26
Name: Electricity: measuring and testing > Magnetic > Displacement > Approach or retreat
Description: Subject matter in which the (1) the sensing device gives an indication when approaching or being approached by a magnetic field, or (2) the sensing device gives an indication when retreating or being retreated by a magnetic field, or (3) an object approaches or retreats from the sensor"s magnetic field.


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

Patent Number Title Of Patent Date Issued
7626466 Proximity switch and method for operating a proximity switch Dec. 1, 2009
7622914 Methods and apparatus for vibration detection Nov. 24, 2009
7612557 Eddy current type sensor for detecting conductor Nov. 3, 2009
7602271 Electronically actuated apparatus using solenoid actuator with integrated sensor Oct. 13, 2009
7602175 Non-contacting position measuring system Oct. 13, 2009
7595711 Switch for vehicles Sep. 29, 2009
7592801 Methods and apparatus for vibration detection Sep. 22, 2009
7592804 Contactless eddy current sensor and process for detecting test objects Sep. 22, 2009
7586304 Stator position measuring method and measuring device Sep. 8, 2009
7586303 Inductive proximity sensor Sep. 8, 2009
7583077 Pressure sensing device for rotatably moving parts Sep. 1, 2009
7554324 Turbine blade proximity sensor and control system Jun. 30, 2009
7541903 Switch for vehicles Jun. 2, 2009
7511482 Inductive proximity switch Mar. 31, 2009
7510030 Elongated cross coil assembly for use in borehole location determination Mar. 31, 2009
7508194 Method and a sensor device for measuring the distance between a stator and an opposing rotor Mar. 24, 2009
7501813 Position detecting sensor Mar. 10, 2009
7489217 Magnetic proximity sensor Feb. 10, 2009
7446525 Pressure sensing device for rotatably moving parts and pressure detection method therefor Nov. 4, 2008
7439735 Rail activated position sensor Oct. 21, 2008
7432703 Rope position sensor Oct. 7, 2008
7429053 Subframe structure and vibration damper for the same Sep. 30, 2008
7414400 Detection of ferromagnetic objects approaching a magnet Aug. 19, 2008
7402998 Magnetic detection device including circuit capable of switching over output mode of N pole and S pole between non-separated one output and separated two outputs Jul. 22, 2008
7385390 Device for establishing a cutting point from a blind side of a structure Jun. 10, 2008
7382119 Blind spot targeting system Jun. 3, 2008
7368904 Proximity detector May. 6, 2008
7365530 Method and apparatus for vibration detection Apr. 29, 2008
7362094 Methods and apparatus for magnetic article detection Apr. 22, 2008
7358720 Proximity sensor interface Apr. 15, 2008
7356421 Precise location of buried metallic pipes and cables in the presence of signal distortion Apr. 8, 2008
7355392 Printed circuit card-based proximity sensor and associated method of detecting a proximity of an object Apr. 8, 2008
7342394 Magnetic detector arrangement and method for obtaining a symmetric magnetic field Mar. 11, 2008
7315165 Sensor element Jan. 1, 2008
7301334 Micro magnetic proximity sensor system Nov. 27, 2007
7292027 Vehicle occupant sensing system having sensor assemblies with variable biasing member Nov. 6, 2007
7274189 Sensor and method Sep. 25, 2007
7271585 Method of fabricating a multilayer wiring board proximity sensor Sep. 18, 2007
7265542 Process and device for contactless measurement of rotational speed Sep. 4, 2007
7262595 Segmented core for an inductive proximity sensor Aug. 28, 2007
7253614 Proximity detector having a sequential flow state machine Aug. 7, 2007
7250753 Sensor attachment mechanism for fluid pressure cylinder Jul. 31, 2007
7239133 Methods and systems for controlling the temperature stability of an inductor Jul. 3, 2007
7199579 Proximity detector Apr. 3, 2007
7183765 Micro-position sensor using faraday effect Feb. 27, 2007
7173411 Inductive proximity sensor using coil time constant for temperature compensation Feb. 6, 2007
7173410 Proximity sensor combining impedance, frequency and decay constant information Feb. 6, 2007
7148681 Proximity sensor device that determines at least one physical characteristic of an item Dec. 12, 2006
7145325 Displacement detection apparatus and displacement detection method Dec. 5, 2006
7132824 Position detector, camera-shake compensation mechanism, and image capture apparatus Nov. 7, 2006

1 2 3 4 5 6 7


 
 
  Recently Added Patents
Trimming plane
Fixed OFDM wireless MAN utilizing CPE having internal antenna
Adaptive transmitting and receiving device and method in wireless communication system using frequency division duplexing
Rotor of an electrical machine
Image processing apparatus and method, and program
Antisense antibacterial method and compound
Reduction of torsional vibration in rail vehicle wheel sets
  Randomly Featured Patents
Filtered water dispensing apparatus
Detachable thrust vector mechanism for an aeronautical vehicle
Lipstick case
Stress sensor having deformable ceramic hollow member
Wafer flatness evaluation method, wafer flatness evaluation apparatus carrying out the evaluation method, wafer manufacturing method using the evaluation method, wafer quality assurance method
Faucet assembly
Method for reducing sludge formation in the continuous production of iron by electrolysis of ferrous electrolyte
Method and apparatus for preparing an access slit in the neck of a poultry carcass
Non-busy waiting resource control
Computer enclosure with drive bracket