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Class Information
Number: 340/691.8
Name: Communications: electrical > Condition responsive indicating system > Specified indicator structure > Control circuit detail
Description: Subject matter wherein electronic components, or an arrangement thereof for actuating the indicator, is particularly described.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7342492 |
Electrical appliance |
Mar. 11, 2008 |
| 7298283 |
Device for detecting line-disconnection in stepping motor driver |
Nov. 20, 2007 |
| 7248157 |
Wireless phone-interface device |
Jul. 24, 2007 |
| 7245226 |
Integrated microprocessor controlled alarm |
Jul. 17, 2007 |
| 7129856 |
Illuminated sign for traffic control and method for functional monitoring of such a sign |
Oct. 31, 2006 |
| 7006002 |
Combination power failure light and FM/AM radio with a clock and alarm function |
Feb. 28, 2006 |
| 6806809 |
Trailer tongue length estimation using a hitch angle sensor |
Oct. 19, 2004 |
| 6696971 |
Audible combination light socket-adapter |
Feb. 24, 2004 |
| 6624744 |
Golf cart keyless control system |
Sep. 23, 2003 |
| 6583731 |
Fault detection for traffic light systems using electronic lighting elements |
Jun. 24, 2003 |
| 6570499 |
Household security and surveillance system utilizing a video recorder |
May. 27, 2003 |
| 6307482 |
Silenceable speaker with pre-announce tone detection |
Oct. 23, 2001 |
| 6094141 |
Low power-consumption luminous decorative/warning means |
Jul. 25, 2000 |
| 6084516 |
Audio apparatus |
Jul. 4, 2000 |
| 6016099 |
Automatically active personal alert safety system |
Jan. 18, 2000 |
| 5955957 |
Footwear with electroluminescent wire |
Sep. 21, 1999 |
| 5929762 |
Electrical panel overtemperature alarm system |
Jul. 27, 1999 |
| 5896089 |
Dual carbon monoxide detection system with gas cut off and alarm capabilities |
Apr. 20, 1999 |
| 5886631 |
Barking dog sound alarm system |
Mar. 23, 1999 |
| 5877695 |
Visual alarm for a communication module |
Mar. 2, 1999 |
| 5821858 |
Lighted slipper |
Oct. 13, 1998 |
| 5821853 |
Ambient light monitoring system |
Oct. 13, 1998 |
| 5801617 |
Device for deterring tampering of anti-theft equipment, method for deterring tampering of anti-theft equipment |
Sep. 1, 1998 |
| 5774050 |
Radio alarm security system |
Jun. 30, 1998 |
| 5764151 |
Network hub with a voice function control unit |
Jun. 9, 1998 |
| 5673022 |
Motion sensor/photoelectric light sensor plug-in receptacle |
Sep. 30, 1997 |
| 5650773 |
Multi-functional intrusion warning system for branch circuits of a home and the like |
Jul. 22, 1997 |
| 5587703 |
Universal merchandise tag |
Dec. 24, 1996 |
| 5581242 |
Automatic alarm display processing system in plant |
Dec. 3, 1996 |
| 5543782 |
Security device for merchandise and the like |
Aug. 6, 1996 |
| 5539383 |
Water detection alarm |
Jul. 23, 1996 |
| 5530432 |
Photo monitoring apparatus with visual/audio alarm |
Jun. 25, 1996 |
| 5446440 |
Emergency sign and control circuit |
Aug. 29, 1995 |
| 5444437 |
Signaling device |
Aug. 22, 1995 |
| 5434561 |
Remote audio/visual alarm apparatus |
Jul. 18, 1995 |
| 5420570 |
Manually actuatable wrist alarm having a high-intensity sonic alarm signal |
May. 30, 1995 |
| 5392029 |
Electrical shock apparatus |
Feb. 21, 1995 |
| 5317305 |
Personal alarm device with vibrating accelerometer motion detector and planar piezoelectric hi-level sound generator |
May. 31, 1994 |
| 5291183 |
Multi-functional alarming system |
Mar. 1, 1994 |
| 5196829 |
Personal safety device having microprocessor control and method for operating the same |
Mar. 23, 1993 |
| 5182542 |
Smoke alarm and air cleaning device |
Jan. 26, 1993 |
| 5146209 |
Self-contained apparatus for emergency lighting incorporating alarm systems for fire, gas and the like |
Sep. 8, 1992 |
| 5103214 |
Auxiliary alarm |
Apr. 7, 1992 |
| 5103215 |
Device for signalling status of machines or processes |
Apr. 7, 1992 |
| 5087908 |
Portable alarm system with automatic operating state transferral |
Feb. 11, 1992 |
| 5028911 |
Acoustically responsive portable emergency light |
Jul. 2, 1991 |
| 5008655 |
Visual alarm device interconnectable to existing monitoring circuitry |
Apr. 16, 1991 |
| 4943799 |
Portable alarm system with sealed enclosure |
Jul. 24, 1990 |
| 4908606 |
Theft resistant security containers using shocking wires and audio alarm |
Mar. 13, 1990 |
| 4887072 |
Alarm apparatus |
Dec. 12, 1989 |
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