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| Number | Title | Issue Date |
| 7626509 | Solar light for home security signs An easily deployable miniature, LED light unit specifically for home security yard signs that is rechargeable by means of a solar cell array having a light sensor which automatically activates the light at dusk and deactivates it at dawn. The solar light unit is con... | 12/01/2009 |
| 7342492 | Electrical appliance A device 15, 2 to 6 and 10 to 14 for controlling appliance functions and for communicating with a user need not stay switched on during the entire operating time. These mostly include optical indicating means 10 to 14 whose ... | 03/11/2008 |
| 7298283 | Device for detecting line-disconnection in stepping motor driver A device for detecting disconnection for use in a stepping motor driver is provided having a driver circuit 3 which comprises a pair of windings 21, 22 wound in a bifilar turn arrangement; a pair of MOSFETs 1, 2 connected to the other end of eac... | 11/20/2007 |
| 7292136 | Audible signal device and machines using same An audible signal device which includes a DC to DC converter is provided. A group of work machines is further provided, including at least two work machines having electrical systems with different operating voltages. First and second audible signal devices are coup... | 11/06/2007 |
| 7248157 | Wireless phone-interface device In one aspect, a phone-interface device determines whether a problem has occurred at a control panel by determining whether a signal from the control panel has been received, and when a signal has not been received within a period of time, the phone-interface device... | 07/24/2007 |
| 7245226 | Integrated microprocessor controlled alarm Alarms are often required on various vehicles and equipment such as fork lifts, dump trucks, bulldozers, etc. An alarm is disclosed controlled by a microprocessor, which is an integral part of the basic circuit. The alarm has a flat diaphragm, and a novel acoustic l... | 07/17/2007 |
| 7129856 | Illuminated sign for traffic control and method for functional monitoring of such a sign An illuminated sign is for traffic control, in particular for road traffic, and includes light sources for generation of the sign and a monitoring device for functional monitoring of the light source. The light sources are embodied as light diodes and the monitoring... | 10/31/2006 |
| 7006002 | Combination power failure light and FM/AM radio with a clock and alarm function A device comprising a housing, a battery source, a transformer, a light, a radio, and a clock. The battery source is held in the housing and provides a first source of direct current (DC). The transformer, which is also held in the housing, is configured for receivi... | 02/28/2006 |
| 6921286 | Light emitting diode jumper cables A jumper cable assembly has a pair of clamps at both ends for parallel connection to a weak and a strong battery for starting a motor. Along the side of the assembly is mounted at least one light emitting diodes (LED) that is powered when either end of the assembly ... | 07/26/2005 |
| 6806809 | Trailer tongue length estimation using a hitch angle sensor A control system for estimating the tongue length of a trailer being towed by a vehicle in connection with a front wheel steering with or without a coordinated rear wheel steering associated with the vehicle. The control signal system employs an algorithm that calcu... | 10/19/2004 |
| 6696971 | Audible combination light socket-adapter An adapter (10) for a light fixture (F) has a socket (16) into which the base of the light bulb (L) is screwed. The adapter has a base (12) sized to be inserted in a socket of the light fixture for attaching the adapter to the light fixture. The adapter f... | 02/24/2004 |
| 6624744 | Golf cart keyless control system This invention relates to the control of rental vehicles that are operated on a pay for usage basis. With this invention, operation of a vehicle is limited to those that have either paid for its use, or those that must have access to it for the purpose of... | 09/23/2003 |
| 6583731 | Fault detection for traffic light systems using electronic lighting elements An indicator controller (18), an optical assembly (10) having the indicator controller (10), a traffic light system that comprises at least one of the optical assembly (10) and a method for fault indication by the indicator controller (10) is disclosed. A... | 06/24/2003 |
| 6570499 | Household security and surveillance system utilizing a video recorder A household security and surveillance system for surveillance of the protected area, having a triggering device, a controller receiving signals from the triggering device and sending signals of activation or deactivation to a video recorder through a comm... | 05/27/2003 |
| 6307482 | Silenceable speaker with pre-announce tone detection An alarm signaling device (5) operable to produce an alarm signal and, possibly, communicate emergency announcements when triggered by a signal from a central alarm control panel. The alarm includes a speaker or other sound producing device and a silencin... | 10/23/2001 |
| 6094141 | Low power-consumption luminous decorative/warning means A decorative/warning luminous means emitting flashes only in a vibrating state and in the night and therefore consuming only very small amount of power. The decorative/warning luminous means includes an actuating unit consisting of serially connected phot... | 07/25/2000 |
| 6084516 | Audio apparatus The living condition of a resident is prehended by a sensor disposed in a room. Identification information and vital information transmitted from a portable transreceiver carried by the resident are monitored. An audio signal favored by the resident is se... | 07/04/2000 |
| 6016099 | Automatically active personal alert safety system A problem of accounting for firefighters at a fire scene and also assuring that a firefighter has his PASS device turned on is an ever pressing issue. A tally key and holder, each with an embedded magnet, are designed to magnetically infiltrate a reed swi... | 01/18/2000 |
| 5955957 | Footwear with electroluminescent wire This invention comprises footwear having a power source and switching mechanism mounted in the heel under padding and an electroluminescent wire mounted in a predetermined position on the footwear to provide illumination. The electroluminescent wire compr... | 09/21/1999 |
| 5929762 | Electrical panel overtemperature alarm system A heat alarm for an electric panel cabinet that mounts a temperature sensor within the enclosed area defined by the cabinet and sounds an alarm if the temperature within the cabinet exceeds an upper temperature limit. The heat alarm includes a microproces... | 07/27/1999 |
| 5896089 | Dual carbon monoxide detection system with gas cut off and alarm capabilities A dual carbon monoxide detection system is provided including a gas furnace having a heat exchanger with a supply air duct for delivering heated air and a return air duct for receiving air to be heated. The gas furnace further has a gas input line for rec... | 04/20/1999 |
| 5886631 | Barking dog sound alarm system A new barking dog sound alarm system for scaring away intruders using the menacing sounds of a dog. The inventive device includes a microphone for detecting noise, a device to compare the detected noise level to a reference level so as to determine whethe... | 03/23/1999 |
| 5877695 | Visual alarm for a communication module An organic electroluminescent material is sealed within the outer housing of a portable radio telephone along with the control grids to cause the material to luminesce in a pixilated pattern. The pixels are controlled to generate a visual alarm which flas... | 03/02/1999 |
| 5821853 | Ambient light monitoring system This invention includes a sensor, a time delay trigger circuit, and a power source. The sensor monitors an ambient light level and produces a sensed signal related to the ambient light level. The time delay trigger circuit is in electrical communication w... | 10/13/1998 |
| 5821858 | Lighted slipper A lighted shoe apparatus includes a shoe having a shoe body, several externally visible light emitting elements mounted to the shoe body for lighting in a sequence, a logic circuit including an Or gate for supplying logic and power to the logic circuit, a... | 10/13/1998 |
| 5801617 | Device for deterring tampering of anti-theft equipment, method for deterring tampering of anti-theft equipment A method and device for preventing the tampering of anti-theft devices is provided comprising a technique for electrifying the surface of the anti-theft device so as to visually and physically deter tampering of the anti-theft device. The invented method ... | 09/01/1998 |
| 5774050 | Radio alarm security system The radio alarm security system, particularly for the protection of persons within a building against intruders, includes a mobile central alarm unit which is provided with a separate power source and is temporarily connectable to at least one charging st... | 06/30/1998 |
| 5764151 | Network hub with a voice function control unit A network hub or a network switch including a housing which holds all elements of the network hub; a trunk interface control unit which is the control center of the network hub for controlling the operation of the other units of the network hub; a power s... | 06/09/1998 |
| 5673022 | Motion sensor/photoelectric light sensor plug-in receptacle A motion sensor and photoelectric light sensor activated plug-in type electrical receptacle which conveniently plugs into a standard power outlet is disclosed. The device allows non-motion detector and/or non-photoelectric equipped devices to function as ... | 09/30/1997 |
| 5650773 | Multi-functional intrusion warning system for branch circuits of a home and the like A multi-functional intrusion warning system is used directly in the conventional circuitry of a building such as a home, small business or the like, having a conventional AC power source, a plurality of branch circuits and a circuit breaking means (locate... | 07/22/1997 |
| 5587703 | Universal merchandise tag A purchase item security and information tag apparatus for attachment to a purchase item in a store includes a tag body, a purchase item information display mechanism for retaining item data in machine readable form, and a tag engagement security mechanis... | 12/24/1996 |
| 5581242 | Automatic alarm display processing system in plant An alarm system in a plant for outputting a plurality of alarms with respect to devices constituting the plant and monitor information with respect to the devices. In the system, there is provided a unit for storing a table for correspondingly relating a ... | 12/03/1996 |
| 5543782 | Security device for merchandise and the like An electronic security system for monitoring merchandise is provided which sounds an alarm when a change in the sensors or the electrical connections are detected. The system automatically switches from a closed loop continuous current system to a closed ... | 08/06/1996 |
| 5539383 | Water detection alarm An electric alarm which includes a dual tone electronic chime, light emitting diode (LED) indicators, electronic circuitry, batteries, and with the exception of the AC adapter and the water sampler, all active and passive devices are housed in a small box... | 07/23/1996 |
| 5530432 | Photo monitoring apparatus with visual/audio alarm A photo monitoring apparatus including a photoresistor, a series of shunt resistors, and a comparator IC, wherein the comparator IC provides an output signal to a LED and a diaphragm speaker, when the voltage from the shunt resistors drops below a pre-set... | 06/25/1996 |
| 5446440 | Emergency sign and control circuit A centrally powered, low voltage emergency sign and control circuit using high voltage AC power simultaneously providing continuous low voltage DC power to a plurality of emergency signs connected in parallel through a plurality of branch circuits and to ... | 08/29/1995 |
| 5444437 | Signaling device An apparatus for generating a signal for indicating consent between two parties, comprises a generally box-like housing having a cavity, an indicator light on an exterior portion of the housing, a source of electrical power including a battery in the hous... | 08/22/1995 |
| 5434561 | Remote audio/visual alarm apparatus An audio-visual alarm apparatus is provided for use with a water quality monitor having a pair of monitor nodes across which electrical conditions are indicative of whether the measured water quality is inside or outside of an acceptable quality range. Th... | 07/18/1995 |
| 5420570 | Manually actuatable wrist alarm having a high-intensity sonic alarm signal A personal alarm which is compact, portable and fashionably designed. In one embodiment, this personal alarm is structurally incorporated into a wrist watch with the alarm components arranged thereon in a fanciful yet highly functional manner. This alarm ... | 05/30/1995 |
| 5392029 | Electrical shock apparatus An electrical shock apparatus includes a power source, a high voltage generation device for generating a very high voltage to shock a robber in response to a connection to the power source, an alarm device for generating an alarming sound to shock a robbe... | 02/21/1995 |
