Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 324/457
Name: Electricity: measuring and testing > Electrostatic field
Description: Subject matter for measuring the strength of the vector force field set up in the vicinity of nonmoving electrical charges.

Sub-classes under this class:

Class Number Class Name Patents
324/458 Using modulation-type electrometer 147

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

Patent Number Title Of Patent Date Issued
8653822 Chopperless ambient electric field sensor Feb. 18, 2014
8643379 Electric sensor web, system and a method for its manufacture Feb. 4, 2014
8604725 Semiconductor device and drive method of electrostatic actuator Dec. 10, 2013
8575942 Non-contacting method and apparatus for determining contact voltage sources and providing a warning for same Nov. 5, 2013
8536856 Apparatus and method for monitoring and controlling detection of stray voltage anomalies Sep. 17, 2013
8525528 Method and device for evaluating electric performances of an FDSOI transistor Sep. 3, 2013
8494802 Computer-implemented methods, computer-readable media, and systems for determining one or more characteristics of a wafer Jul. 23, 2013
8482273 Apparatus and method for monitoring and controlling detection of stray voltage anomalies Jul. 9, 2013
8482274 Apparatus and method for monitoring and controlling detection of stray voltage anomalies Jul. 9, 2013
8410784 Method and device for measuring static charge Apr. 2, 2013
8354847 Electrometer with in-measurement range adjustment and methods thereof for measuring electrostatic charge Jan. 15, 2013
8339140 Sensor arrangement Dec. 25, 2012
8314619 Distance detection system Nov. 20, 2012
8264233 Magnetoresistive electrostatic discharge (ESD) detector Sep. 11, 2012
8222905 Determination of field distribution Jul. 17, 2012
8219286 Noise reduction for occupant detection system and method Jul. 10, 2012
8212569 Coupled bi-stable circuit for ultra-sensitive electric field sensing utilizing differential transistor pairs Jul. 3, 2012
8198901 Method for assessment of electrostatic properties of fibers or substrates Jun. 12, 2012
8188755 Electrostatic MEMS driver with on-chip capacitance measurement for autofocus applications May. 29, 2012
8168947 Electrostatic latent image evaluation device, electrostatic latent image evaluation method, electrophotographic photoreceptor, and image forming device May. 1, 2012
8155639 System and method for computer noteboook electromagnetic compatibility analysis Apr. 10, 2012
8106663 Sensor product for electric field sensing Jan. 31, 2012
8106662 Sensor product for electric field sensing Jan. 31, 2012
8073575 Vehicle Dec. 6, 2011
8049486 Coupled electric field sensors for DC target electric field detection Nov. 1, 2011
8044665 Sensor product for electric field sensing Oct. 25, 2011
8009045 Method for alerting physical approach Aug. 30, 2011
7994793 Jig for detecting position Aug. 9, 2011
7992348 High-frequency measuring enclosure for measuring large test objects Aug. 9, 2011
7994792 Electric field sensor for marine environments Aug. 9, 2011
7990159 Potential measurement apparatus and image forming apparatus Aug. 2, 2011
7985811 Method for controlling sheeting in gas phase reactors Jul. 26, 2011
7944361 Electric field whistle May. 17, 2011
7915897 Foil-leaf electrometer for static field detection with permanently separating leaves Mar. 29, 2011
7902831 Methods of performing electrostatic discharge testing on a payment card Mar. 8, 2011
7868620 Data integrity management responsive to an electrostatic event Jan. 11, 2011
7844407 Systems and methods for analysis and design of radiating and scattering objects Nov. 30, 2010
7834645 Variable capacitance circuit, voltage measuring apparatus, and power measuring apparatus Nov. 16, 2010
7795875 Electrostatic discharge event and transient signal detection and measurement device and method Sep. 14, 2010
7746608 Methodology to guard ESD protection circuits against precharge effects Jun. 29, 2010
7741850 Electric potential measuring apparatus, and image forming apparatus Jun. 22, 2010
7741851 Potential measuring apparatus Jun. 22, 2010
7715743 Charger with a probe and controller May. 11, 2010
7710129 Potential measurement apparatus and image forming apparatus May. 4, 2010
7683632 Specific absorption rate measurement system and method Mar. 23, 2010
7667450 Electrostatic discharge device testing system and method Feb. 23, 2010
7659725 Method for assessing the suitability of metered dose inhaler actuators Feb. 9, 2010
7633301 Track position sensor and method Dec. 15, 2009
7583090 Electromagnetic apparatus for measuring angular position Sep. 1, 2009
7583086 Potential sensor Sep. 1, 2009

1 2 3 4 5 6 7

  Recently Added Patents
Optical angular position detection apparatus and method
Storage apparatus and storage apparatus management method performing data I/O processing using a plurality of microprocessors
Pixel structure of organic light emitting device
Silicon carbide substrate, epitaxial wafer and manufacturing method of silicon carbide substrate
Battery module
Low temperature pressure chamber unit, magnetic resonance device with a low temperature pressure chamber unit, and an attachment method to attach at least one add-on unit to an external housin
Cascode circuit device with improved reverse recovery characteristic
  Randomly Featured Patents
Silencer for dust collection system
Dished basketball goal
Disc filter
Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium
Movable barrier operator with energy management control and corresponding method
SOI semiconductor integrated circuit for eliminating floating body effects in SOI MOSFETs and method of fabricating the same
Nucleobase-functionalized conformationally restricted nucleotides and oligonucleotides for targeting of nucleic acids
Structure for echo IC
Network address resolution and forwarding TCP/IP packets over a fibre channel network
Method for controlling the operation of a compression system having a plurality of compressors