Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7969348 | Systems and methods for obtaining and using data from a localized location and telemetry system in a wide area location and telemetry system A wide area location and telemetry system may include a wide area location and telemetry system server that is configured to determine wide area location and telemetry system data about an object when the object is located within the coverage area of the wide area l... | 06/28/2011 |
| 7414517 | Radio frequency identification transponder A radio frequency identification transponder includes a power supply and a dynamic memory array that stores data. When power from the power supply ceases, the data in the dynamic memory array is validly maintained for a predetermined period of time. The dynamic memo... | 08/19/2008 |
| 7369941 | Collision detection system and method of estimating target crossing location A collision detection system and method of estimating a crossing location are provided. The system includes a first sensor for sensing an object in a field of view and sensing a first range defined as the distance between the object and the first sensor. The system ... | 05/06/2008 |
| 7362258 | Transponder detection system using radio and light wave signals A target object detection system for detecting a target object using a detector and a tag on the target object; the tag includes a radio wave receiver receiving radio wave from the detector; a light receiver receiving a light signal from the detector; a receipt sign... | 04/22/2008 |
| 7359673 | UWB repeater with pulse delay and UWB communication system A UWB repeater preferably applied to a relay of stream data, which does not require frequency conversion and has less delay in relay. The UWB repeater includes a receiving antenna, a receiver, a transmitter, a transmitting antenna, and a relay controller. The relay ... | 04/15/2008 |
| 7353185 | Electronic toll collection system for toll road An ETC system for a toll road includes a road-side device. The road-side device transmitting a polling signal. The road-side device receives a response of an on-vehicle device to the transmitted polling signal. A decision is made as to whether or not the response is... | 04/01/2008 |
| 7335395 | Methods of using pre-formed nanotubes to make carbon nanotube films, layers, fabrics, ribbons, elements and articles Methods of Using Preformed Nanotubes to Make Carbon Nanotube Films, Layers, Fabrics, Ribbons, Elements and Articles are disclosed. To make various articles, certain embodiments provide a substrate. Preformed nanotubes are applied to a surface of the substrate to cre... | 02/26/2008 |
| 7327107 | System and methods for automatically moving access barriers initiated by mobile transmitter devices An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least on... | 02/05/2008 |
| 7327108 | System and methods for automatically moving access barriers initiated by mobile transmitter devices An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least on... | 02/05/2008 |
| 7321296 | Electronic locating systems Methods and apparatus are disclosed for location of objects to facilitate retrieval, filing, security, inventory stock-keeping and the like. The methods and apparatus employ a tag element associated with each object-to-be-located, and interrogation system for search... | 01/22/2008 |
| 7292822 | Wireless communication system using surface acoustic wave (SAW) second harmonic techniques An IDT produces a SAW when excited by a single electrical pulse and can be fabricated to embody a code, which code provides for a passive autocorrelation of a SAW input to the IDT and thereby lends itself to further application as a signal generator in a communicati... | 11/06/2007 |
| 7265674 | Thin flexible, RFID labels, and method and apparatus for use A radio frequency identification (REID) device may include a first, thin, flexible sheet, an antenna, and an integrated circuit. A surface portion of the first sheet may be affixed to a second, thin, flexible sheet to form a thin, flexible label. Such a label may be... | 09/04/2007 |
| 7244018 | Ink cartridge having retaining structure and memory The ink cartridge includes an ink supply port formed at a position, offset to one side, of a wall configuring an ink container body; a positioning projecting portion, formed on one wall out of two opposing walls adjacent the wall, whose upper surface and side portio... | 07/17/2007 |
| 7236092 | Passive sensor technology incorporating energy storage mechanism A passive sensor system having the capacity to respond to a variety of stimuli in the form of pulses of a specified frequency. The system includes a sensor operatively connected to an LC circuit characterized by a quality factor (Q) of less than 200, and a high Q re... | 06/26/2007 |
| 7224308 | Identification and location system for personnel and vehicles A surveillance system is provided for surveillance of objects within a secure area. A surveillance sensor transmits surveillance signals to all objects within the secure area, the reflections of which are received back by the surveillance sensor to determine the loc... | 05/29/2007 |
| 7209787 | Apparatus and method for closed-loop intracranial stimulation for optimal control of neurological disease A neurological control system for modulating activity of any component or structure comprising the entirety or portion of the nervous system, or any structure interfaced thereto, generally referred to herein as a “nervous system component.” The neurological cont... | 04/24/2007 |
| 7199707 | Multi-channel wireless remote control system A multi-channel wireless remote control system, which has N (an integer greater than one) wireless receiving devices and N (an integer greater than one) wireless transmitting devices. The N wireless transmitting devices corresponds to the N wireless receiving device... | 04/03/2007 |
| 7196654 | Vehicle positioning and tracking radar system A vehicle positioning and tracking radar system includes a rotating antenna with a pair of spatially separated transmit feeds for simultaneously transmitting a pair of frequency-modulated continuous-wave (FMCW) electromagnetic signals having a first polarisation and... | 03/27/2007 |
| 7180402 | Phase modulation in RF tag A radio frequency (RF) communication system employs phase-modulated backscatter signals for RF communication from an RF tag to an interrogator. The interrogator transmits a continuous wave interrogation signal to the RF tag, which based on an information code stored... | 02/20/2007 |
| 7176505 | Electromechanical three-trace junction devices Three trace electromechanical circuits and methods of using same. A circuit includes first and second electrically conductive elements with a nanotube ribbon (or other electromechanical elements) disposed therebetween. An insulative layer is disposed on one of the f... | 02/13/2007 |
| 7172813 | Zinc oxide crystal growth substrate A zinc oxide crystal growth substrate is disclosed. The zinc oxide crystal growth substrate includes a thin layer of single crystal zinc oxide deposited on an self supporting substrate surface by a chemical deposition process. The chemical deposition process is sele... | 02/06/2007 |
| 7170867 | Radio frequency data communications device A radio frequency identification device includes an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integra... | 01/30/2007 |
| 7158031 | Thin, flexible, RFID label and system for use A radio frequency indentification (RFID) label includes an integrated circuit and an antenna. The label may also include two flexible films directly sealed to each other. The label may be affixed to an article and used in conjunction with an interrogation system to ... | 01/02/2007 |
| 7120047 | Device selection circuitry constructed with nanotube technology A memory system having electromechanical memory cells and decoders is disclosed. A decoder circuit selects at least one of the memory cells of an array of such cells. Each cell in the array is a crossbar junction at least one element of which is a nanotube or a nano... | 10/10/2006 |
| 7106244 | Freight container monitoring system A system and a method for monitoring a freight container are provided. The method includes the steps of generating a resonant spectrum representative of an initial condition of internal surfaces and contents of the freight container, and saving the resonant spectrum... | 09/12/2006 |
| 7103948 | Method of manufacturing piezoelectric wafers of saw identification tags The invention provides a method of manufacturing piezoelectric wafers of surface acoustic wave (SAW) identification tags. In one embodiment, the method includes: (1) using a master reticle to form, on each of the piezoelectric wafers, wafer-independent patterns that... | 09/12/2006 |
| 7106175 | Wireless communication devices configurable via passive tags A wireless communication device which includes a passive radio-frequency (RF) tag having a memory for receiving and storing initial configuration information utilized by the device. The initial configuration information is written to the wireless communication devic... | 09/12/2006 |
| 7079043 | Radio frequency data communications device A radio frequency identification device comprises an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integr... | 07/18/2006 |
| 7075476 | Ultra-wideband smart sensor interface network and method A network, sensor and method are provided that utilize the capabilities of impulse radio technology to help monitor and/or control the environment within a building. In particular, the network includes a sensor attached to a first impulse radio unit that is capable ... | 07/11/2006 |
| 7068756 | Multi-interface telephony test system using separate interface cards The present invention provides a method to configure the hardware and software resources in a system to utilize two physical interface boards in pairs such that their aggregate units of voice processing DSP resources can be applied to either all of a T1 board's phys... | 06/27/2006 |
| 7050507 | Adaptive throughput pulse width modulation communication scheme A signaling apparatus and system may include a data transmitter capable of sending strobe and one or more data streams having edges displaced by time periods corresponding to coded values. Auto-negotiation to compensate for less expensive interconnections may be acc... | 05/23/2006 |
| 7023391 | Electromagnetic field generation antenna for a transponder An antenna for generating an electromagnetic field including several planar inductive cells parallel connected in an array and forming, in association with at least one capacitor, an oscillating circuit adapted to being excited by a high-frequency signal. ... | 04/04/2006 |
| 6979590 | Methods of making electromechanical three-trace junction devices Methods of producing an electromechanical circuit element are described. A lower structure having lower support structures and a lower electrically conductive element is provided. A nanotube ribbon (or other electromechanically responsive element) is formed on an up... | 12/27/2005 |
| 6963290 | Data recovery for pulse telemetry using pulse position modulation The specification discloses algorithms for error recovery in pulse position modulation-based mud pulse telemetry. More particularly, the specification discloses detection and attempted correction of at least five possible error mechanisms: the missed detection of a ... | 11/08/2005 |
| 6957776 | System and method for managing a plurality of local lists of a single user A system for managing a plurality of local lists of a single user includes a compact user-carried smart card including a microprocessor and a memory storing a master list. The plurality of local lists is located at a plurality of remote appliances. Each appliance ho... | 10/25/2005 |
| 6946952 | Data carrier for transmitting data with different transmission parameters A data carrier (1) for contactless communication with the communication station comprises firstly a reception stage (3) for receiving an interrogation signal (IS), secondly a generation stage (17) for generating a response signal (RS) upon recep... | 09/20/2005 |
| 6944566 | Method and system for multi-sensor data fusion using a modified dempster-shafer theory A multi-sensor data fusion system and method provide an additive fusion technique including a modified belief function (algorithm) to adaptively weight the contributions from a plurality of sensors in the system and to produce multiple reliability terms including re... | 09/13/2005 |
| 6933879 | Method and system for localizing a target in an interrogation-response system In a method and system to determine the position of a target by means of an IFF type antenna, the antenna having a given direction of aim, the method comprises a step for combining the distance D from the target to the carrier, the altitude A of the target, the alti... | 08/23/2005 |
| 6927688 | Method for enabling communication and condition monitoring from inside of a sealed shipping container using impulse radio wireless techniques A system to capture data regarding conditions in a sealed metal shipping container having: a sensor unit mountable inside the container and adapted to sense a condition inside of the container; an impulse radio transmitter receiving data from the sensor regarding th... | 08/09/2005 |
| 6919793 | Radio frequency identification system write broadcast capability A Write Broadcast system and method uses a base station to write sent data to all or some selected number (sub group) of tags in a base station field simultaneously. By unselecting the tags that have been successfully written to, and requesting a response from the r... | 07/19/2005 |
