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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7412899 | MEMS-based monitoring A solution for monitoring a property of an object and/or an area using a Micro-ElectroMechanical Systems (MEMS)-based monitoring device is provided. In an embodiment of the invention, the MEMS-based monitoring device includes a MEMS-based sensing device for obtainin... | 08/19/2008 |
| 7382208 | Operating method for the resonant operation of high-pressure lamps in longitudinal mode, and an associated system and electronic ballast The operating method is based on the simultaneous application of FM and AM. In this process, the fundamental frequency of the AM is derived from at least one, preferably the second, longitudinal mode. In continuous operation of the lamp, the color temperature is set... | 06/03/2008 |
| 7368827 | Electrical assembly for monitoring conditions in a combustion turbine operating environment An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con... | 05/06/2008 |
| 7343261 | Underwater sensor transmitter probe An electronic apparatus for measuring water speed and water temperature then periodically transmitting said data during controlled depth fishing wherein an underwater probe is secured to and insulated conductive downrigger cable and gathers and relays data though th... | 03/11/2008 |
| 7332679 | Weighing device equipped with power supply mechanism having fixed section and movable section A weighing section includes a plurality of weighing members and a power supply mechanism. The weighing members weigh an object while moving. The power supply mechanism includes a fixed section, a rotatable section moving along the movement of the weighing members, a... | 02/19/2008 |
| 7327998 | System and method of providing a geographic view of nodes in a wireless network A geographic view rendering tool receives geographic location data for nodes in a wireless network and renders a geographic view displaying the nodes at their corresponding geographic locations. The geographic view may be displayed overlaying a digital map. The geog... | 02/05/2008 |
| 7324011 | Method and system for pipeline communication A pipeline communication system and method includes a pipeline having a surface extending along at least a portion of the length of the pipeline. A conductive bus is formed to and extends along a portion of the surface of the pipeline. The conductive bus includes a ... | 01/29/2008 |
| 7315162 | Reducing power consumption of electrical meters The invention contemplates an electrical power meter and method of operating the electrical power meter. The inventive power meter includes a power supply for converting alternating current (AC) voltage to a direct current (DC) voltage for powering the electronic co... | 01/01/2008 |
| 7312721 | Data collector for an automated meter reading system The invention includes an electronic utility meter, a data collector/meter and a method for communicating data in an automated meter reading system. The inventive method includes communicating data with a network and a first electronic utility meter, and communicati... | 12/25/2007 |
| 7301476 | Dynamic self-configuring metering network A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 11/27/2007 |
| 7274189 | Sensor and method An apparatus includes a first circuit, a second circuit, and a capacitor. The first circuit includes a sense element. The capacitor couples the first circuit to the second circuit. The first feedback path couples the second circuit to the first circuit. And the seco... | 09/25/2007 |
| 7271646 | Loop powered process control instrument power supply A loop powered process instrument comprises a control circuit measuring a process variable and developing a control signal representing the process variable. An output circuit for connection to a two-wire process loop controls current on the loop in accordance with ... | 09/18/2007 |
| 7272428 | Wireless electrocardiograph system and method A method and system for wireless ECG monitoring is provided. An electrode connector, transmitter and receiver operate with existing electrodes and ECG monitors. The electrode connector includes connectors for attaching to disposable or reusable single electrodes. Th... | 09/18/2007 |
| 7265682 | Joint source-channel coding for multicarrier modulation Methods and systems employing combined source-channel coding for multi-carrier modulation (MCM). In some embodiments, a described method comprises: estimating channel gain to noise ratio (CGNR) as a function of frequency bin; determining MCM parameters that minimize... | 09/04/2007 |
| 7262709 | System and method for efficient configuration in a fixed network automated meter reading system Meters are configured using either a program update method or a meter update method. In the program update method, meters associated with a specified configuration program are identified and configured with updated parameters. In the meter update method, a specified... | 08/28/2007 |
| 7239250 | System and method for improved transmission of meter data The system includes a number of first meters, which are typically battery powered transmit only devices. The system includes a number of two-way meters, which are operable to both transmit and receive data. The first meters transmit their data to the collector eithe... | 07/03/2007 |
| 7230532 | Wireless sensor system A sensor system (S, S′) having a least one voltage generator (1, 11, 12, 13) for conversion of non-electrical energy to electrical energy. At least one energy store (2) is connected downstream from the voltage generator (1, 11, 12, 13). At lea... | 06/12/2007 |
| 7227350 | Bias technique for electric utility meter The invention contemplates an electrical power meter and method of operating the same, where the meter has electronic components (e.g., a power supply and a voltage sensing circuit) and receives alternating current (AC) voltage from an electrical power line. The inv... | 06/05/2007 |
| 7224713 | Telemetry system with authentication A telemetry system includes many radio transmitters using frequency hopping carriers to intermittently transmit transmissions indicative of status of sensors associated with the transmitters. The transmitters transmit transmissions independently of a receiver receiv... | 05/29/2007 |
| 7193511 | Rapid-mounting security monitoring and controlling system A rapid-mounting security monitoring and controlling system is disclosed. Co-axial cable is used to transmit power supply, images, sound, and to control detected signals so as to rapidly installation of wirings for the security monitoring and controlling system. The... | 03/20/2007 |
| 7191269 | Method for multiple sensors to communicate on a uni-directional bus The present invention provides a system of and a method for multiple transmitters to communicate data over a single uni-directional communication bus. In one form of the present invention, a data communication system using time-domain multiplexing includes a uni-dir... | 03/13/2007 |
| 7187906 | Method and system for configurable qualification and registration in a fixed network automated meter reading system A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 03/06/2007 |
| 7176807 | System for automatically enforcing a demand reset in a fixed network of electricity meters Methods and systems of enforcing a demand reset in a meter that communicates via a wireless network. When billing data is received by a server, it is accompanied by a demand reset counter. The counter is compared to a counter stored on the server. If they received c... | 02/13/2007 |
| 7170425 | System and method for creating multiple operating territories within a meter reading system The present invention enables multiple operating territories to be defined, named, and managed within a meter reading system. Each operating territory may correspond to a geographic sub-section of the meter reading system that is regulated by a particular regulatory... | 01/30/2007 |
| 7161476 | Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ... | 01/09/2007 |
| 7145474 | Dynamic self-configuring metering network A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 12/05/2006 |
| 7142106 | System and method of visualizing network layout and performance characteristics in a wireless network A system for visually detailing the layout of a wireless network and for providing performance statistics regarding the network. Graphical diagrams are generated in accordance with a request wherein the diagrams illustrate nodes and data collectors in the wireless n... | 11/28/2006 |
| 7134354 | Display for process transmitter A transmitter for use in a process control system for monitoring an industrial process includes a housing having a top and a bottom and a height extending therebetween. A parallelogram display is mounted to the housing. Sides of the parallelogram display are arrange... | 11/14/2006 |
| 7133763 | Control apparatus for controlling a plant by using a delta-sigma modulation algorithm The invention provides a control apparatus comprising a controller for determining a manipulated variable for manipulating a controlled object so that an output of the controlled object converges to a desired value and a modulator for modulating the manipulated vari... | 11/07/2006 |
| 7126494 | Remote access to electronic meters using a TCP/IP protocol suite An electronic meter incorporates a TCP/IP protocol suite and an HTTP server to provide two-way access to the meter data. Alternatively, the TCP/IP protocol suite may be incorporated into a gateway serving multiple meters connected through a power line or wireless tw... | 10/24/2006 |
| 7123175 | Angle detection apparatus computing phase differences between first and second phase angles A resolver use angle detection IC subjected to a phase lock operation so as to follow not an angle θ(t) for detection, but a phase angle ωot±θ(t) having an offset of a frequency ωot in the phase lock units. For this reason, when the excitation frequency ωot is... | 10/17/2006 |
| 7119713 | Dynamic self-configuring metering network A dynamic self-configuring system for collecting metering data comprises a collector meter. The collector meter scans for meters that are operable to directly communicate with the collector and registers such meters as level one meters. The collector transmits instr... | 10/10/2006 |
| 7109883 | Low power physical layer for a bus in an industrial transmitter A process variable transmitter connects a serial bus to an accessory load. A supply limiter circuit provides a first supply current limit and provides a stored energy output. A recessive driver circuit draws a drive current from the stored energy output and couples ... | 09/19/2006 |
| 7102509 | Computer interface system for tracking of radio frequency identification tags A method for operating with multiple protocols for handling communications comprising the steps of obtaining information from sensors and related input devices utilizing specialized tamper resistant passive transceivers working with active pulse type transceivers to... | 09/05/2006 |
| 7102534 | Apparatus for measuring piston temperature An apparatus measures temperature of a reciprocating piston and comprises one or more thermocouples of which one end is inserted to a predetermined point of the piston and generates a potential difference according to temperature of the predetermined point. A teleme... | 09/05/2006 |
| 7103511 | Wireless communication networks for providing remote monitoring of devices Wireless communication networks for monitoring and controlling a plurality of remote devices are provided. Briefly, one embodiment of a wireless communication network may comprise a plurality of wireless transceivers having unique identifiers. Each of the plurality ... | 09/05/2006 |
| 7091886 | Flexible touch-sense switch A flexible touch-sense switch includes a force sensitive composite and an at least one proximity sensor. The force sensitive composite includes a plurality of force sensors disposed between a first layer and a second layer of polymide film defining a displacement re... | 08/15/2006 |
| 7091879 | System and method for using multiple medical monitors The present invention relates to a system and method for simultaneously using and configuring one or more disposable transmitters. The system includes at least one single or multiple use disposable transmitter, a central station, and a receiver module. The transmitt... | 08/15/2006 |
| 7084741 | Method for communication between a first station and a second station, and a controller and remote station using the communication method A method for communicating between a first station and a second station over a wire pair, in which the first station sends an alternating power signal over the wire pair, the alternating power signal comprising a plurality of communication symbols, the second statio... | 08/01/2006 |
| 7043999 | Contactless measurement of the stress of rotating parts The invention relates to a method for measuring mechanical stresses of a rotating part (1) in an essentially closed metal housing. The rotating part comprises a sensor (2) which reflects electromagnetic waves and which can be measurably deformed as a r... | 05/16/2006 |
