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7627002 |
Mechanism for deploying an access point within a WLAN using a single interconnect
In one embodiment, the invention relates to utilization of a single interconnect to support the transmission of data, power and serial control information to an access point. The interconnect...
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7573396 |
Air craft emergency lighting system
An aircraft emergency lighting system including: a plurality of units having communication devices arranged to communicate wirelessly with a master controller, wherein each unit is wired to a...
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7495577 |
Multipurpose radio
A multipurpose radio is disclosed to include a power control unit, which uses a rechargeable battery to provide the necessary working voltage to a LED lamp for illumination, a hand-driven dynamo to...
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7397370 |
Monitoring an environment using a RFID assembly
An assembly for monitoring an environment includes a RFID tag and at least one sensor assembly. The sensor assembly is configured to sense information regarding the environment around the assembly...
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7327219 |
Enhanced alarm system for monitoring of patients
A monitoring system for use in a building, such as a hospital provides an audible and/or visual alarm. The monitoring system includes a control unit, with a plurality of medical condition...
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7250875 |
Traffic signal transfer switch
A transfer switch configured particularly for use with traffic signal controllers, to enable a traffic signal controller to be powered by a portable electrical generator, when utility line power is...
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7233242 |
Arrangement and method for setting a transmit power
A transmit antenna ( 3 ) is supplied with energy by a power supply unit ( 2 ). An electrical value characteristic for the transmit power is compared to a comparison value and the length of a time...
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7224286 |
Solar panel having visual indicator
A solar panel incorporating a selectively actuable energy availability indicator arrangement. The arrangement includes a visual indicator, such as an LED, and a selectively actuable button....
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7220010 |
Emergency light
An emergency light for providing illumination during emergency conditions with a housing, a light source, and a drive arrangement for driving the light source between retracted and extended...
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7212102 |
Device integrated battery backup with power source monitoring and manipulation and public safety communications infrastructure incorporating the same
A system for, and method of, providing device integrated battery backup with power source monitoring and manipulation and a public safety communications infrastructure incorporating the system or...
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7212110 |
Implantable device and system and method for wireless communication
A wireless communication method and protocol, and wireless devices and systems for stimulation, are provided for communication between a wireless device and a charging device. During active...
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7034677 |
Non-specific sensor array detectors
Portable and wearable chemical detector devices, such as badges, that are analyte-general, rather than analyte-specific, and which provide an optimal way to notify and protect personnel against...
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6972688 |
Power supply with modular integrated networking
A power supply that has an integrated power line networking coupling circuit and a connector to accept a removable power line networking module. The power supply and associated system can be sold...
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6970072 |
Home automation module having externally powered communications port
A home automation module having an externally powered communications port. The module includes an automation microprocessor for controlling the module, a communications port for enabling the module...
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6956463 |
Method and apparatus for providing both power and communication over two wires between multiple low voltage AC devices
A system master unit is connected to a 24V AC power source. One or more slave units is connected to the master unit by a power/communication line. Bulk capacitance in the master and slave units...
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6943463 |
System and method of testing connectivity between a main power supply and a standby power supply
Described are a system and method of testing connectivity between a main power supply and a standby power supply. The system includes a processor, a main power supply, and a standby power supply....
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6931287 |
Remote console
A position display system for displaying a position of a device, the system including a device, a position measuring device that measures a position of the device and a host readout device that is...
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6917298 |
Solar system alarm backup unit
A backup electrical power unit for an alarm panel. The unit comprises a solar panel array which produces an array output DC voltage and a charging current for a battery through a first circuit at a...
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6904373 |
USB-controllable power supply
A USB (universal serial bus) controllable power supply and method for supplying power to a circuit board device under test (DUT) via a controllable power supply. The power supply employs a USB...
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6882274 |
Energy conserving satellite tracking tag
An energy conserving tracking tag for receiving a radio frequency location data signal from a global positioning satellite and for communicating with a tracking system. The tag includes a receiver...
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6844823 |
Method and apparatus for providing power to a visual messaging system for high-speed networks
The present invention a method and apparatus for providing a visual messaging device for use with a high-speed network and an electrical supply system for the visual messaging device. The visual...
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6819226 |
Systems and methods for energy storage in land-based telemetry applications
The invention involves systems and methods of providing energy to land-based telemetry devices wherein the energy storage and power conditioning system is comprised of an input power supply, an...
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6813371 |
On-vehicle camera calibration device
An on-vehicle camera calibration device is provided and a method of calibrating an on-vehicle camera easily is carried out by using a calibration indicator other than a three dimensional one. The...
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6777829 |
Rectifier utilizing a grounded antenna
A rectifier generates a rectified output and a dc power output. The rectifier has an antenna element, a tuning capacitor, a coupling capacitor, first and second rectifying diodes, and a storage...
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6753762 |
Signalling beacon
A signalling beacon comprised of a lighting indicator which is mounted in a body enabling the stacking thereof. An energy accumulation device, at least one photovoltaic cell and an electronic...
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6605900 |
Rechargeable emergency lamp tube
A rechargeable emergency lamp tube includes a lamp tube holder, the lamp tube holder having a base adapted to obtain AC power supply from an electric socket and a socket adapted to hold a tube for...
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6496103 |
Device, system and method for secure
A device, system and method for providing power in a secure manner to a network device connected to a network, such as an Ethernet network for example. The device is optionally implemented as an...
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6466126 |
Portable data device efficiently utilizing its available power and method thereof
A portable data device ( 400 ) having a power controller ( 430 ), a clock generator ( 428 ) and a digital circuit ( 432 ). The power controller ( 430 ) has an output signal. The output signal is...
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6437685 |
Cordless power transmission system, power transmission terminal and electrical appliance
A cordless power transmission system can transmit and receive power stably without malfunctions. A power transmission terminal transmits default power to an electrical appliance by diffractive...
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6377172 |
Specific location public alert receiver
Disclosed is a specific location public alert devices that require no specialized installation and may be plugged into any common household electrical outlet which provides power to the device so...
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6329907 |
Emergency power system for traffic control signals
An emergency power station for traffic signal controllers having a general utility power supply, the emergency power station having a small footprint cabinet containing a fuel supply in a lowermost...
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6313549 |
Emergency evacuation system
Embodiments of an emergency evacuation system are disclosed which may be installed within the knockouts of a panel of a modular work space system. During normal operation a battery power source...
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6198384 |
System power supply control for interface circuit
An interface circuit including an interface controller operated by at least a system power supply or an external power supply. A switch is connected between an interface controller and a system...
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6094130 |
Emergency power station for traffic control signals
An emergency power station for traffic signal controllers having a general utility power supply, the emergency power station having a small footprint cabinet containing a fuel supply in a lowermost...
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6011465 |
Backup arrangement for alarm system
A backup arrangement for alarm system includes an electronic switch circuit, a DC power source, a build-in electronic Hi-sounder, and a chargeable resistor. The electronic switch circuit, which is...
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5973617 |
Control circuit with adjustable standby oscillator
A control circuit adapted to be switched to a standby mode during periods without control requirement and to be repeatedly reset during the standby mode of operation for a short wake-up period each...
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5966069 |
Exit sign self-testing system
A system for testing the electrical integrity of an illuminated exit sign alternately powered by a battery, rechargeable from a source of alternating current power. The system includes an alarm for...
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5948085 |
Bus voltage detection and protection
A simplified serial data bus provides interconnection between equipment such as computers, imaging apparatus, and consumer electronic devices. The simplified bus utilizes the cable and connectors...
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5889465 |
Power service unit with automated dialer and other enhancements
A power service unit suited for providing conditioned power to a consuming device at a remote location. The power service unit includes a charger/rectifier, a back-up power supply, together an...
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5883577 |
Multi station smoke detectors
A smoke detector that comprises three different power sources. First one is the 110/220 volt AC house current, through a step down transformer or that can be hard wired into the home or factory....
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5859873 |
Method and arrangement for non-contact transmission of measured values
A measuring unit which is not easily accessible often has a power source which supplies power to the elements for the measuring operation, more particularly, the conversion of an analog measured...
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5790019 |
Emergency alarm system
This invention provides a new and improved emergency alarm system comprising a central control unit which is directly or indirectly connected to every other component of the emergency alarm system....
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5748074 |
Electronic door chime
A circuit for actuating a door chime has a dc power source in series with a resistor and in shunt with a capacitor. A remote push button transmits a radio signal to the circuit, to connect a...
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5654691 |
Auxiliary backup device of burglary alarm system
The present invention provides an auxiliary backup device of burglary alarm system, connected with an alarm output and an auxiliary power output of a burglary control panel and an alarm device,...
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5621394 |
Smoke alarm monitoring and testing system and method
A smoke detection and alarm system including one or more low cost battery operated smoke alarms fitted with internal non-rechargeable standby batteries, a reactive primary power supply derived from...
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5574423 |
Self-diagnostic circuit for emergency lamphead
A self-diagnostic circuit for an emergency lamphead is disclosed that is effective during standby operation of the lamphead to indicate whether the lamphead is capable of operating in an emergency...
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5559626 |
Energy resource sharing method and apparatus
A resource-sharing system enables multiple work areas to share an energy resource on a real-time, asynchronous basis in order to perform manufacturing processes. A specific embodiment involves a...
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5559492 |
Synchronized strobe alarm system
In a building fire alarm system, the light strobes of a network of strobes are synchronized to flash simultaneously. Each strobe has a charging circuit to charge a capacitor which discharges...
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5532685 |
Call alarming apparatus for paging system
A call alarming apparatus for a paging system, includes a receiver, an alarming circuit, a drive circuit, a controller, a first power supply, a second power supply, and a rectifier. The receiver...
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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...
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