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Class Information
Number: 324/96
Name: Electricity: measuring and testing > Measuring, testing, or sensing electricity, per se > Using radiant energy
Description: Subject matter utilizing radiant energy means as a part thereof.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5834933 |
Method for magnetooptic current measurement and magnetooptic current-measuring device |
Nov. 10, 1998 |
| 5825174 |
Temperature responsive battery tester |
Oct. 20, 1998 |
| 5818216 |
Minimally invasive current sensing circuit |
Oct. 6, 1998 |
| 5811964 |
Method and device for measuring an electrical alternating quanity with temperature compensation |
Sep. 22, 1998 |
| 5796347 |
Control of a device in an inaccessible location |
Aug. 18, 1998 |
| 5780845 |
Optical current transformer |
Jul. 14, 1998 |
| 5780847 |
Verdet constant temperature-compensated current sensor |
Jul. 14, 1998 |
| 5781003 |
Electric field sensor |
Jul. 14, 1998 |
| 5770946 |
Photon assisted sub-tunneling electrical probe, probe tip, and probing method |
Jun. 23, 1998 |
| 5767688 |
Electro-optic voltage measurement apparatus |
Jun. 16, 1998 |
| 5764046 |
Optical method and device for measuring an alternating electrical current with temperature compensation |
Jun. 9, 1998 |
| 5757198 |
Method and apparatus for detecting an IC defect using charged particle beam |
May. 26, 1998 |
| 5751143 |
Opto-electronic system for the acquisition of signals indicating the presence of a voltage and its phase |
May. 12, 1998 |
| 5747985 |
Optical-electronic demand meter using optical metering outfit |
May. 5, 1998 |
| 5742157 |
Optical fiber magnetic-field sensor |
Apr. 21, 1998 |
| 5736737 |
Concatenated magneto-optic field sensors |
Apr. 7, 1998 |
| 5734263 |
Electro-optic voltage transducer with extended range and temperature compensation |
Mar. 31, 1998 |
| 5731579 |
Electro-optical voltage sensor head |
Mar. 24, 1998 |
| 5729005 |
Fiber optic current sensor with bend birefringence compensation |
Mar. 17, 1998 |
| 5715058 |
Method and device for the optical determination of a physical quantity |
Feb. 3, 1998 |
| 5703491 |
Voltage detection apparatus |
Dec. 30, 1997 |
| 5698847 |
Optical-modulation-type sensor and process instrumentation apparatus employing the same |
Dec. 16, 1997 |
| 5677678 |
Fault indicator having auxiliary fault sensing winding |
Oct. 14, 1997 |
| 5677635 |
Voltage and displacement measuring apparatus and probe |
Oct. 14, 1997 |
| 5677622 |
Current sensor using a Sagnac interferometer and spun, single mode birefringent optical fiber to detect current via the Faraday effect |
Oct. 14, 1997 |
| 5670871 |
Polymeric film electrooptic sensor device |
Sep. 23, 1997 |
| 5670870 |
Electric field sensor capable of reliably measuring an electric field intensity of a signal |
Sep. 23, 1997 |
| 5666062 |
Voltage measuring using electro-optic material's change in refractive index |
Sep. 9, 1997 |
| 5666048 |
Technique and apparatus for measuring a direct current flowing through a conductor at high voltage |
Sep. 9, 1997 |
| 5663639 |
Apparatus and method for optical heterodyne conversion |
Sep. 2, 1997 |
| 5663652 |
Method for measuring current distribution in an integrated circuit by detecting magneto-optic polarization rotation in an adjacent magneto-optic film |
Sep. 2, 1997 |
| 5656935 |
Variable color display system |
Aug. 12, 1997 |
| 5656934 |
Optical method of measuring an alternating electrical current, including temperature compensation, and a device for carrying out the method |
Aug. 12, 1997 |
| 5642040 |
Electrooptic probe for measuring voltage of an object having a high permittivity film fixed on an end face of a reflecting film fixed on an electrooptic material |
Jun. 24, 1997 |
| 5635830 |
Optical magnetic field sensor employing differently sized transmission lines |
Jun. 3, 1997 |
| 5635829 |
Optical sensor |
Jun. 3, 1997 |
| 5635831 |
Optical voltage and electric field sensor based on the pockels effect |
Jun. 3, 1997 |
| 5631555 |
Voltage measurement system |
May. 20, 1997 |
| 5627521 |
Personal microwave and radio frequency detector |
May. 6, 1997 |
| 5627462 |
Apparatus and method for measuring power demand from conventional watt-hour utility meters |
May. 6, 1997 |
| 5625296 |
Electro-optic voltage measurement apparatus |
Apr. 29, 1997 |
| 5625284 |
Electric field sensor having sensor head with unbalanced electric field shield to shield branched optical waveguides against an applied electric field |
Apr. 29, 1997 |
| 5610511 |
Temperature responsive battery tester |
Mar. 11, 1997 |
| 5602946 |
Fiber optic sensor system for detecting movement or position of a rotating wheel bearing |
Feb. 11, 1997 |
| 5602387 |
Method of protecting an RF receiver in a hostile electromagnetic environment |
Feb. 11, 1997 |
| 5594240 |
Strain-optic voltage monitor wherein strain causes a change in the optical absorption of a crystalline material |
Jan. 14, 1997 |
| 5594329 |
Method and apparatus for obtaining voltage-isolated measurement channels with an isolation transformer and multiplier |
Jan. 14, 1997 |
| 5592101 |
Electro-optic apparatus for measuring an electric field of a sample |
Jan. 7, 1997 |
| 5585735 |
E-O probe with FOP and voltage detecting apparatus using the E-O probe |
Dec. 17, 1996 |
| 5583428 |
Solid optical current sensor |
Dec. 10, 1996 |
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