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| Number | Title | Issue Date |
| 7616926 | Conductive DC biasing for capacitively coupled on-chip drivers An integrated circuit containing a communication channel is described. This communication channel includes: a transmit circuit configured to transmit signals; a link coupled to an output of the transmit circuit; a receive circuit coupled to the link; and a clamping ... | 11/10/2009 |
| 7606532 | Adaptable power supply circuit A power supply circuit and a transponder having a circuit for rectifying an A.C. voltage and two power storage elements, the rectifying circuit providing a rectified voltage to at least one of the storage elements and an output voltage being provided by at least one... | 10/20/2009 |
| 7599661 | Method for generating power supply interruption time information in a contactless data carrier In a method for the determination of disconnection time information (DTI) significant for an inadequate power supply of an integrated circuit (2) of a data carrier (1) such as an RFID-tag. The disconnection time information (DTI) is determined on the b... | 10/06/2009 |
| 7593690 | Signal converter, RFID tag having signal converter, and method of driving RFID tag A signal converter capable of stabling converting input signals in an extended operation margin, a radio frequency identification (RFID) tag having the signal converter and a method of driving a RFID tag. The signal converter includes a first signal converter which ... | 09/22/2009 |
| 7590384 | Method for operating a near field communication system A method for operating a near field communication system (10) of at least a first and a second near field communication device (21, 22) is proposed. It is a basic aspect of the inventive method to provide a step (S10) of supplying action data (A... | 09/15/2009 |
| 7583930 | Transmission device, electric field communication transceiver, and electric field communication system There is provided a transmission means (3) configured to transmit a modulated signal obtained by modulating data, a transmission electrode (8) that induces an electric field based on the modulated signal in an electric field transmission medium (20 | 09/01/2009 |
| 7580676 | Electromagnetic coil array integrated into flat-panel detector Certain embodiments of the present invention provide a flat-panel detector integrated with an electromagnetic coil array. The electromagnetic coil array is positioned inside of the flat-panel detector. The electromagnetic coil array is configured to detect an electr... | 08/25/2009 |
| 7580675 | Data communication apparatus functioning as ID tag and ID-tag reader and writer A data communication apparatus includes an antenna, an analog front-end circuit, and a controller. The analog front-end circuit is connected between the antenna and the controller and includes first and second modulators, a driver, a demodulator, and an input switch... | 08/25/2009 |
| 7574173 | Wireless communication over a transducer device One aspect of the present invention is generally directed towards a system and method of tuning a transducer for transmitting and receiving a wireless signal. In an illustrative embodiment, a single transducer is coupled to a first or second circuit for either trans... | 08/11/2009 |
| 7567780 | Data exchange systems and methods employing RF data transmission A data exchange system that exchanges data with a host device comprising controller and a host housing comprises at least one button assembly and a button reader system. The at least one button assembly comprises an encoder for storing data, a button coil, and a swi... | 07/28/2009 |
| 7565107 | Communication system, information processing device, and method The present invention relates to a communication system, an information processing apparatus and method which enable communication setting to be performed through easy operations. An access point 11 has communication setting information for allowing wireless ... | 07/21/2009 |
| 7551892 | Low-power ad hoc network entry A method, a node and an energy-conserving ad hoc network are provided that facilitate nodes joining the energy-conserving ad hoc network. A node includes a transceiver (210), a transmitter (206), and processing logic (202). The processing logic ... | 06/23/2009 |
| 7542720 | Communication apparatus A communication apparatus which specifies the destination of the data accurately and transmits the data without complicated operation such as designating the destination. The communication apparatus includes: a body communication section for communicating with a com... | 06/02/2009 |
| 7522879 | Communication apparatus and associated methodology of performing operator initiated near field communication A portable terminal includes a near-field communication (NFC) device for performing information communication via near-field communication; a write button; and a read button. In order to write information stored in the portable terminal into an information providing... | 04/21/2009 |
| 7522878 | Adaptive inductive power supply with communication An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating characteristics based upon information received from the remote devic... | 04/21/2009 |
| 7509092 | Information processing system and information processing method An information processing system includes: a first information processing apparatus disposed in correspondence with an entrance of a space including a plurality of areas; a plurality of second information processing apparatuses respectively disposed in correspondenc... | 03/24/2009 |
| 7469126 | Usage modification of RFID transponder An RFID transponder is disclosed in which predetermined conductive portions will be removed from the transponder should the transponder be removed from a first object to which it is attached. The transponder has a first response to applied RF before the predetermine... | 12/23/2008 |
| 7469127 | Noncontact information carrier reader and method of reading information stored in a noncontact information carrier In a noncontact information carrier reader, a receiving unit receives a response wave transmitted from a noncontact information carrier. The response wave is generated by modulating the carrier wave based on a response signal. An amplifying unit amplifies carrier wa... | 12/23/2008 |
| 7454170 | Unidirectional power and bi-directional data transfer over a single inductive coupling An inductive transmission system for inductive transmission of power and full duplex data signals between first and second devices. The transmission system includes a bi-directional inductive channel between the two devices; a transmitter for transmitting a power si... | 11/18/2008 |
| 7450902 | Continuous phase frequency shift keying modulation during wireless transmissions in a closed system while minimizing power consumption Continuous phase frequency shift keying modulation is employed during wireless transmission from an internal device to an external device to increase robustness of transmissions. The continuous phase frequency shift keying processor receives as input an incoming dat... | 11/11/2008 |
| 7447480 | Wireless, especially mobile, communication device for communicating with communication devices in vehicles A wireless, in particular mobile, communication device (8) for communicating with communication units (9) in vehicles (5, 6, 7), comprising a transmitter (26) and a receiver (29) for information-containing electromagnetic waves, as... | 11/04/2008 |
| 7444118 | Electronic communications system In order that an electronic communications system (100) equipped with: [a.1] at least one base station (10), to which [a.2] at least one LC resonant circuit (13, 16) [a.2.1] with at least one antenna unit (16) in the form of a coil, and [... | 10/28/2008 |
| 7444119 | Method for sharing antennas of a wireless device The present invention proposes novel antenna means mounted on handheld devices and methods of use of such antenna means with multiple radios. The novel antenna means exhibit smaller sizes, good performance, have higher reliability, and exhibit novel hardware configu... | 10/28/2008 |
| 7440727 | Handling transfer of management data to and from a telecommunications unit of a telecommunications system A telecommunications unit (for example a subscriber terminal or a base station) is arranged to communicate over a wireless link with a further telecommunications unit of a telecommunications system in order to allow traffic data to be passed between the telecommunic... | 10/21/2008 |
| 7436300 | Wireless device support for electronic devices Disclosed are a unique system and method that facilitate establishing and maintaining a secure connection between at least one wireless input component and a host (e.g., PC). The system and method involve the wireless input component broadcasting a message that can ... | 10/14/2008 |
| 7437140 | Power line network bridge A power line communication (PLC) bridge circuit consistent with certain embodiments has a first coupler that couples data signals to and from the first power line circuit and a second coupler that couples data signals to and from the second power line circuit. The f... | 10/14/2008 |
| 7433677 | Communication devices and method of communication In a portable communications device, information provided by an identification means is used to establish communication between communication means and a second device, such as a point of sale machine, to ensure that the correct portable communications device is con... | 10/07/2008 |
| 7433647 | Transmit antenna multiplexing for vehicular passive entry systems An antenna coupler for a wireless communication system in a vehicle couples a transmit signal source to a plurality of antennas arranged within the vehicle. A first saturable reactor has a first load winding and a first control winding wound on a first saturable cor... | 10/07/2008 |
| 7426369 | Bluetooth appliance having non-memory programmable identification address storing device and telecommunication method thereof An appliance having programmable identification address storing non-memory includes a non-memory programmable address storing device. An ID address of the appliance is programmed using an electric fuse even when the appliance does not include non-volatile memory (NV... | 09/16/2008 |
| 7426403 | Methods and apparatus for data communication for mobile electronic devices According to one embodiment of the invention, a method for discovering the presence of at least one source and target mobile device, automatically displaying a graphical interface to show the dataset from the source mobile device, and initiating the transmission of ... | 09/16/2008 |
| 7424265 | Rectifier circuit and radio communication device A rectifier circuit includes a bias circuit that outputs a direct-current voltage; a first MOS transistor that has a gate and a source; and a second MOS transistor that has a gate, a source, and a drain connected to the source of the first MOS transistor. Only the d... | 09/09/2008 |
| 7424266 | Rectifier circuit and RFID tag A rectifier circuit includes a first MOS transistor, a first capacitor configured to connect between a gate and a source of the first MOS transistor, and a switching circuit configured to supply a bias voltage to the first capacitor in response to a control signal. ... | 09/09/2008 |
| 7421245 | Field-shaping shielding for radio frequency identification (RFID) system A radio frequency identification (RFID) system is described that utilizes a substantially-contiguous conductive shield to shape an electromagnetic field formed by an antenna for communication with RFID tags. The antenna and the conductive shield have substantially p... | 09/02/2008 |
| 7418237 | Electric circuit and transmission method for telemetric transmission The invention relates to an electric circuit for a telemetric transmission. A semiconductor transistor switch switches a quenching circuit into an electrically conductive state to prevent oscillation of a resonance circuit. The semiconductor transistor switch switch... | 08/26/2008 |
| 7412230 | Method of releasing communication between at least two communication devices In a method of releasing communication between at least two communication devices (4, 5, 6, 7, 8), a data carrier (36), that is able to be read from in a non-contacting manner and that contains an authorization code (AUC), is brought into the vicinity ... | 08/12/2008 |
| 7406105 | System and method for sharing a common communication channel between multiple systems of implantable medical devices A system and method that facilitates multiple systems of communicating devices, i.e., a master device and one or more implantable slave devices, to coexist on a common, e.g., RF, communication channel having a limited temporal bandwidth while maintaining the require... | 07/29/2008 |
| 7406296 | Co-located radio operation A first radio transceiver is operated in close proximity to a second radio transceiver, even when the first and second radio transceivers operate in accordance with incompatible standards. Operation in this manner includes receiving a first signal that indicates whe... | 07/29/2008 |
| 7403743 | System and method to unlock hidden multimedia content A consumer electronics device comprises an interrogator and a tag is associated with an accessory for the wireless communications device. The tag stores an identifier that identifies hidden multimedia content stored in memory of the wireless communications device. W... | 07/22/2008 |
| 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 |
| 7400880 | Method of notifying an apparatus in a system A method of announcing an apparatus to a system containing a central apparatus and at least one individual apparatus is distinguished in that the announcement is effected by optical communication, preferably in the infrared range. In that respective information abou... | 07/15/2008 |