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| Number | Title | Issue Date |
| 8106767 | Wireless tag communication system and image forming apparatus An antenna outputs query signals to a wireless tag, and receives response signals output from the wireless tag. An intensity detection circuit detects the signal intensity of the response signals. A control portion judges the type of toner housed in a cartridge, or ... | 01/31/2012 |
| 8098155 | System and method for locating a target wireless device A method for locating a target wireless device is disclosed. At least one directional antenna is swept through a field of view at each of a plurality of sensing locations. A position is determined for each of the plurality of sensing locations. During the sweep at e... | 01/17/2012 |
| 7965182 | Apparatus and method for providing a failsafe-enabled wireless device A method for operating a failsafe-enabled wireless device is provided that includes monitoring a signal quality for a wireless signal between a failsafe-enabled wireless device and a controller. A determination is made regarding whether the signal quality is poor. A... | 06/21/2011 |
| 7911337 | Compass based car locator A remote keyless entry system is provided comprising a handheld remote keyless entry transmitter in selectable wireless communication with a car based entry system. The handheld remote keyless entry transmitter comprises an integrated electronic compass element and ... | 03/22/2011 |
| 7605697 | Wireless transceiver management system and method A method of managing data communications in a wireless security system. A message is transmitted from a fixed location security device and received by at least two transceivers. Each transceiver analyzes the received message to generate RSSI data. A digital message ... | 10/20/2009 |
| 7495553 | Method of installing a wireless security system A method of installing a security system includes placing a security device at an installation location. An air-borne signal is transmitted to the security device. An indication of a quality of the signal as received by the security device is displayed on the securi... | 02/24/2009 |
| 7482921 | Method and device for localizing transponders The device and the method enable the localization of transponders, particularly in motor vehicles. A determination of the distance of different transponders from the base station is made possible by evaluating the different request signals and response signals recei... | 01/27/2009 |
| 7474208 | Method and system for locating an object One aspect of the invention is a system for locating an object. The system may include, for example, an object electromagnetic receiver, an audio amplifier, an audio transducer, and an object microprocessor coupled to the object electromagnetic receiver and the audi... | 01/06/2009 |
| 7446656 | Electronic location monitoring system A method and apparatus for operating a monitoring unit operable to receive signals from a mobile transmitter in an electronic location monitoring system involves causing a first receiver to change a signal reception threshold thereof for receiving signals from the m... | 11/04/2008 |
| 7443298 | Dynamic boundary mapping using position-determination systems The invention provides an approach for automatic and dynamic mapping of zone boundaries for position-determination systems. The system of the present invention utilizes beacons (“position determining devices”) to identify the boundaries and limits of device area... | 10/28/2008 |
| 7423516 | Systems and methods for approximating the location of an RFID tag In accordance with the teachings described herein, systems and methods are provided for approximating the location of an RFID tag in an RFID system. The RFID system may include a plurality of receivers that receive RF signals from the RFID tag. Tag read count data f... | 09/09/2008 |
| 7403744 | Self-associating wireless personal area network Methods and apparatus are provided for automatically and autonomously forming a wireless personal area network (WPAN) from an array of intercommunicating personal area network (PAN) devices. The devices comprise first communicators associated with primary functions ... | 07/22/2008 |
| 7394364 | Wireless item location monitoring system and method A wireless electronic tracking system employs transmitters attached to moveable target items that send continuous analog radio frequency (RF) digitally-coded signals at prime number differentiated time intervals to a base receiver. The coded signals carry transmitte... | 07/01/2008 |
| 7388500 | Enhanced mechanism for radio frequency identification reader The invention relates to an enhanced mechanism for RFID reader which includes: an antenna for receiving a RFID signal transmitted from an object under test and outputting the RFID signal to the RFID reader; a metal plate disposed on an entrance of a building. The me... | 06/17/2008 |
| 7385502 | Locator beacon A locator system includes a transmitter unit that is located on one side of a wall or barrier and generates a locator signal when activated and a receiver unit element that is located on the other side of the wall or barrier and is activated by the locator signal to... | 06/10/2008 |
| 7378967 | RFID tag sensitivity Systems, methods, or computer program products may collect information about the performance of individual RFID tags. In particular, signal strength and/or signal sensitivity of individual RFID tags may be measured and the resulting performance information may be st... | 05/27/2008 |
| 7369061 | Vehicle locator device A device for locating a parked vehicle has a remote mobile unit with an aerodynamic housing, including a base and a transparent lens covering an illuminating visual indicator, such as a strobe light. The base contains a battery power source, an electronic sound emit... | 05/06/2008 |
| 7369681 | System and method for tracking positions of objects in space, time as well as tracking their textual evolution A system and method including cameras for monitoring objects such as documents, at multiple locations, and for recording the objects' movement through space and time. The objects are marked with unique identifiers, and the invention is adaptable for recording and re... | 05/06/2008 |
| 7355511 | Notification managing apparatus and notification managing method for vehicle An apparatus for managing a notification from an in-vehicle device to a person to be notified includes an information acquiring unit that acquires information on the person; and a means selecting unit that selects a notification means based on the information acquir... | 04/08/2008 |
| 7356071 | Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols The present invention is related to a method and apparatus for estimating signal-to-noise ratio (SNR) based on dedicated physical channel (DPCH) pilot symbols in a wireless communication system. A receiver receives a DPCH transmission and a despreader despreads the ... | 04/08/2008 |
| 7346477 | Testing a station's response to a reduction in wireless signal strength Techniques for testing a station, such as a wireless-enabled device, are described. A first method relates to evaluating a station configured to communicate with at least one access point. Another device is controlled to communicate wirelessly with the station by tr... | 03/18/2008 |
| 7333776 | Phone alert A type of cellular phone notification apparatus is disclosed. The apparatus would combine both a transmitter attached to a cellular phone and a receiver that would be attached to an individual's clothing. If the cellular phone and the receiver would become disassoci... | 02/19/2008 |
| 7327263 | Communications system and method with A/D converter A communications system includes a radio frequency identification device including an integrated circuit having a single die including a microprocessor, a receiver coupled to the microprocessor, and a backscatter transmitter coupled to the microprocessor, the integr... | 02/05/2008 |
| 7323988 | Personal item reminder A system and method are provided for allowing users to verify the presence of personal items. RFID tags are attached to personal items, and the items are entered into a list. The user makes travel lists from the list of items. When traveling, the user queries the sy... | 01/29/2008 |
| 7323991 | System and method for locating and communicating with personnel and equipment in a facility This invention provides a system and method for identifying, locating, authorizing by proximity and communicating with equipment and personnel in a facility that generally employs a series of limited range transceivers for location determination and a distributed wi... | 01/29/2008 |
| 7321297 | Property supervisory control system The present invention relates to a property supervisory control system. The property supervisory control system operates with an image-capturing device, combines, and outputs a warning signal and image record by the image-capturing device to a supervisory control ce... | 01/22/2008 |
| 7321766 | System and method for testing portable communication devices There are disclosed systems and methods for performing diagnostic testing on portable communication devices, such as cellular telephones. In one embodiment, diagnostic commands are generated internal to the communication device and processed within the device as tho... | 01/22/2008 |
| 7312711 | Method and apparatus for a wireless tether system Method and apparatus to provide a wireless tether system is described. In one embodiment, one or more wireless tether apparatuses are in wireless communication with one or more base units. A wireless tether apparatus may be configured such that when separated from a... | 12/25/2007 |
| 7295109 | Monitoring system The monitoring system has a monitoring apparatus and an access point that wirelessly communicates with the monitoring apparatus. The monitoring apparatus sends a wireless signal to the access point. The access point generates a Received Signal Strength Indicator of ... | 11/13/2007 |
| 7292137 | Energy efficient passive entry system A passive entry system for a vehicle is provided that includes a vehicle-based communication module mounted in the vehicle and a portable communication device. The vehicle-based communication module includes a transmitter for transmitting a challenge signal to the p... | 11/06/2007 |
| 7283048 | Multi-level meshed security network A multi-level meshed security network. The network includes a first level having a plurality of base units, supporting relatively high power RF communications, and a controller function. The second level has a plurality of transponders, supporting relatively low pow... | 10/16/2007 |
| 7274292 | Proximity management system and method using radio-frequency identification tags A master controller for managing items tagged with radio-frequency identification (RFID) tags includes a transceiver to transmit interrogation signals to the RFID tags and to receive response signals from the RFID tags. The master controller may also include a proce... | 09/25/2007 |
| 7271727 | Dual frequency radio tag for a radio frequency identification system A dual frequency radio tag for a radio frequency identification system is provided that includes an antenna system and a first receiver coupled to the antenna system. The first receiver receives and processes request signals from a first unit type at a first frequen... | 09/18/2007 |
| 7271715 | Personal articles tracking A personal articles tracking system, method and apparatus. In the system of the invention, a radio frequency identification (RFID) reader can be coupled to a tracking processor. A data store further can be configured to store tag data from corresponding RFID tags. F... | 09/18/2007 |
| 7270338 | Insulating compartment for grocery cart An insulating compartment is combined with a type grocery cart characterized by an open basket having forwardly-tapering sidewalls and bottom wall which terminate in a common front wall, as well as having a top-hung rear flap-panel that swings up when the nose of a ... | 09/18/2007 |
| 7268680 | Electronic identification tag with electronic banding A tag unit is disclosed. The tag unit comprises of transmitting unit and a banding material coupled to the transmitting unit. A radio frequency and identification (RFID) circuit is coupled to the transmitting unit and the banding unit. ... | 09/11/2007 |
| 7265665 | Vehicle proximity alarm system and method An object of the present invention is to provide a method of proximity detection based on transmitting at random intervals burst of a RF signal at a power level, and receiving, while not transmitting, a received RF signal. When detecting said received RF signal emit... | 09/04/2007 |
| 7265679 | Apparatus and method for indicating onset of high-voltage at an output locus of a signal converter device An apparatus for indicating detection of an onset of a high-voltage condition at an output locus of a signal converter device, the signal converter device including a switching network for switchingly controlling a potential at a circuit node coupled with the output... | 09/04/2007 |
| 7259682 | Child distance and water immersion alarm The invention concerns a system and a method of monitoring live beings, which combines zone and water alarms, including an alarm unit to be arranged on a being's body and a portable alarm centre handled by a person that monitors the being, wherein the alarm unit inc... | 08/21/2007 |
| 7257374 | Automatic security locking method and system for wireless-enabled devices A security system for wireless devices such as mobile phones includes a wireless signal transmitter, and a signal strength detector and microprocessor associated with the wireless device being safeguarded. The microprocessor disables or locks the wireless device if ... | 08/14/2007 |
