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Class Information
Number: 340/659
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Electrical characteristic > Pulse or surge
Description: Subject matter where the monitored characteristic is the occurrence of an electrical pulse or surge (i.e., pulse occurrence or absence, width, lightning stroke).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7590499 |
Recording and conveying energy consumption and power information |
Sep. 15, 2009 |
| 7560936 |
Method and apparatus for ground bounce and power supply bounce detection |
Jul. 14, 2009 |
| 7554454 |
Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches |
Jun. 30, 2009 |
| 7461303 |
Monitoring VRM-induced memory errors |
Dec. 2, 2008 |
| 7453368 |
Surge protector life cycle monitor system and method |
Nov. 18, 2008 |
| 7401007 |
Method, computer program and apparatus for extracting large size signal data samples with an automatically adjusted decimation ratio |
Jul. 15, 2008 |
| 7242291 |
Arc fault circuit interrupter test circuit and test board |
Jul. 10, 2007 |
| 7183902 |
Very local area network (VLAN) |
Feb. 27, 2007 |
| 7158041 |
Electrical protection device and method for a communication circuit |
Jan. 2, 2007 |
| 6888454 |
Fault diagnosis circuit for LED indicating light |
May. 3, 2005 |
| 6815107 |
Gas leak detection method for fuel cell |
Nov. 9, 2004 |
| 6771178 |
Method of identifying actuators in a motor-vehicle air-conditioning installation |
Aug. 3, 2004 |
| 6703938 |
Electrical panel safety monitor |
Mar. 9, 2004 |
| 6690283 |
Protective device and communication device |
Feb. 10, 2004 |
| 6650245 |
Multi-functional hybrid contactor |
Nov. 18, 2003 |
| 6646561 |
Method and device for in-use detecting low cranking strength of a combustion engine battery during engine starting |
Nov. 11, 2003 |
| 6407672 |
Adaptive CPU cooling fan speed monitor device |
Jun. 18, 2002 |
| 6400258 |
Electric arc monitoring systems |
Jun. 4, 2002 |
| 6259371 |
Power surge detection device |
Jul. 10, 2001 |
| 6087948 |
Encoder |
Jul. 11, 2000 |
| 6034611 |
Electrical isolation device |
Mar. 7, 2000 |
| 5923517 |
Transient voltage surge suppressor with a reversible on-off switch assembly |
Jul. 13, 1999 |
| 5877630 |
System and method for protecting an electronic device from electromagnetic radiation interference |
Mar. 2, 1999 |
| 5856803 |
Method and apparatus for detecting radio-frequency weapon use |
Jan. 5, 1999 |
| 5790039 |
Method for detecting the presence of a spark in an electronic ignition system used with an internal combustion engine |
Aug. 4, 1998 |
| 5768342 |
Telephone system loop current detector |
Jun. 16, 1998 |
| 5748093 |
Electrical surge protection system with condition monitoring |
May. 5, 1998 |
| 5684465 |
Method and means for supervision of valve units |
Nov. 4, 1997 |
| 5677623 |
Fault powered fault indicator having timed reset |
Oct. 14, 1997 |
| 5670936 |
Power controller enclosure |
Sep. 23, 1997 |
| 5650772 |
Device for indicating a faulty condition of an electrical apparatus, in particular of a surge arrester |
Jul. 22, 1997 |
| 5302945 |
Electric appliance fault monitor and indicator |
Apr. 12, 1994 |
| 5267231 |
Digital communication channel interface |
Nov. 30, 1993 |
| 5247258 |
System for measuring partial discharges |
Sep. 21, 1993 |
| 5241301 |
Device and method for real-time monitoring of accidental damage to the protective covering of underground or immersed metal structures or pipelines |
Aug. 31, 1993 |
| 5210527 |
Programmable spike detector |
May. 11, 1993 |
| 5166624 |
Method for testing assembly susceptibility to electrostatic discharge events |
Nov. 24, 1992 |
| 4975686 |
Process and apparatus for detecting pulses due to electrostatic discharges from furniture or human beings |
Dec. 4, 1990 |
| 4887071 |
Digital activity loss detector |
Dec. 12, 1989 |
| 4769595 |
Pulse length indicator |
Sep. 6, 1988 |
| 4725825 |
Electric fence voltage indicator light |
Feb. 16, 1988 |
| 4684887 |
High voltage test confirmation apparatus |
Aug. 4, 1987 |
| 4628396 |
High voltage disconnect/reconnect switching device |
Dec. 9, 1986 |
| 4543566 |
Electronic monitoring system with malfunction indicator |
Sep. 24, 1985 |
| 4536758 |
Fault indicator with push button reset |
Aug. 20, 1985 |
| 4465998 |
Burglar-proof barrier |
Aug. 14, 1984 |
| 4456908 |
Remote switch monitoring circuit for mining |
Jun. 26, 1984 |
| 4390871 |
Circuit for detecting reduction in power |
Jun. 28, 1983 |
| 4253094 |
Timed alarming using logical inverters |
Feb. 24, 1981 |
| 4247848 |
Fire detector with a monitor circuit |
Jan. 27, 1981 |
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