Class / Patent application number | Description | Number of patent applications / Date published |
375256000 | PULSE TRANSMISSION VIA RADIATED BASEBAND | 27 |
20080198939 | Transmitter circuit and radio transmission apparatus for transmitting data via radio by using impulses - A transmitter circuit, which transmits data by using an impulse, has a variable delay circuit and a logic circuit. The variable delay circuit takes a clock as an input, and delays the clock in accordance with the data. The logic circuit takes the clock and an output of the variable delay circuit as inputs, and outputs an impulse by performing a logic operation between the clock and the output of the variable delay circuit. | 08-21-2008 |
20090207921 | APPARATUS AND METHOD TO COMMUNICATE INFORMATION WITHIN A DATA STORAGE LIBRARY - A method to communicate information within a data storage system comprising a plurality of enclosures, wherein the method defines and stores a first waveform comprising a frequency F | 08-20-2009 |
20100067585 | A WIRELESS COMMUNICATION APPARATUS AND THE CONFIGURATION METHOD THEREOF - A wireless communication apparatus and the configuration method thereof are provided. The wireless communication apparatus includes: a baseband module for processing the baseband signal, which is located in a host device of the wireless communication apparatus; and a radio frequency (RF) module for receiving the RF signal according to the RF band and the spectrum mask and conducting signal transmission with the baseband module, which is replaceably connected to the host device. By detaching the RF module from the host device and providing the interface between the RF module and the baseband module of the host device, the wireless communication, apparatus can realize the wireless access by selecting the replaceable RF module according to the use requirement, and the application flexibility of the communication terminal is enhanced and the weight and bulk of the host device is reduced. | 03-18-2010 |
20120106655 | APPARATUS FOR TRANSFERRING DATA BETWEEN BODIES UNDERGOING ROTATION - An apparatus for transferring data between bodies undergoing rotation is provided. The bodies in question may be wind turbine components such as a turbine drive shaft and a stationary part of the turbine, such as nacelle gearbox. A data or control signal can therefore be transmitted between a rotating member, such as a turbine blade, and equipment in the nacelle. The apparatus comprises two members that are placed adjacent and opposing one another, and on the opposing surface of which a number of electrical paths are provided. The closed electrical paths do not enclose the rotational axis. At least one of the loops is energised with a carrier high frequency oscillating signal to create a flux that threads the loop on the opposing member. Modulation of the carrier frequency allows signals to be transmitted between the members. | 05-03-2012 |
20130215979 | Method and Apparatus for Efficient Communication with Implantable Devices - Described herein are methods of making and using and apparatus for wirelessly communicating data and providing power, particularly from a location exterior to a body and to an implantable device disposed within a body with tissue. The described embodiments provide apparatus and methods for efficiently transfer data and power between an external transceiver and an (implanted) biomedical device. The method is to modulate power carrier, which wirelessly powers the device, using an asynchronous modulation scheme, such as amplitude shift keying (ASK) modulation, with minimal modulation depth in order to not disrupt the power flow. The digital data is encoded in the pulse width, eliminating the need for synchronization to the power carrier signal and further minimizing the power consumption necessary for data transfer. Additionally, a reverse backscatter method for obtaining data from the implant is described that has flexible, low power operation. | 08-22-2013 |
20130215980 | Receiver for Near-Field Chip-to-Chip Multichannel Transmission - The invention relates to a receiver for a near-field chip-to-chip multichannel transmission system such as the capacitive or inductive links used for vertical signal transmission between the stacked chips of a system-in-package. A receiver for near-field chip-to-chip multichannel transmission providing 4 transmission channels for digital transmission between two monolithic integrated circuits comprises 4 coupling devices ( | 08-22-2013 |
20130259143 | System and Method for Receiving I and Q RF Signals without a Phase Shifter - Methods and systems for receiving in-phase and quadrature (I and Q) radio frequency (RF) signals without a phase shifter utilizing a leaky wave antenna are disclosed and may include generating in-phase and quadrature signals using a leaky wave antenna coupled to one or more low-noise amplifiers (LNAs) on a chip and without a phase shifter. The RE I and Q signals may be communicated from the single leaky wave antenna using coplanar feed points and/or feed points on a top surface and a bottom surface of the single leaky wave antenna. The leaky wave antennas may be integrated on the chip, on a package to which the chip is affixed, and/or on a printed circuit board to which the chip is affixed. The RF I and Q signals may be amplified by the one or more LNAs and may down-convert the RF I and Q signals to baseband signals. | 10-03-2013 |
20140056368 | CONTACTLESS COMMUNICATION SYSTEM AND DIPOLE ANTENNA - Provided is a contactless communication system in which each device performing communication in the system includes a dipole antenna having a length which is less than half of wavelength of a clock frequency of digital baseband signals which are communicated. The dipole antennas are disposed in opposing positions to one another. The contactless communication system performs short distance contactless communication of the digital baseband signals using a frequency band which does not include a resonant frequency of the dipole antennas. | 02-27-2014 |
20140086345 | NEAR FIELD WIRELESS TRANSMISSION/RECEPTION METHOD AND APPARATUS - A near field wireless communication apparatus using a magnetic coupling to transmit data or clock information with low power and high efficiency is provided. Thus, when data to be transmitted is “1,” the near field wireless communication apparatus modulates the data into a pulse signal and transmits the pulse signal, and when the data is “0,” the near field wireless communication apparatus does not generate a signal at all. | 03-27-2014 |
20140133584 | BLUETOOTH DEVICE AND RELATED COMMUNICATIONS ESTABLISHING METHOD - A communications establishing method for a Bluetooth system includes: setting a first Bluetooth apparatus to use an out-of-band channel to pair with a second Bluetooth apparatus when the second Bluetooth apparatus intends to pair with the first Bluetooth apparatus; and enabling an enhanced page-scanning mechanism in the first Bluetooth apparatus to scan a channel used by the second Bluetooth apparatus for transmitting an ID packet of the second Bluetooth apparatus when the first Bluetooth apparatus is paired with the second Bluetooth apparatus via the out-of-band channel. | 05-15-2014 |
20140146897 | WIRELESS TELEMETRY AUTO FOR TORQUE MEASUREMENT SYSTEM - A torque measurement system that includes a rotor device and a stator device can perform automatic tuning to improve the initial tuning performed during design and assembly. The stator device can include a variable capacitive element and a micro-controller configured to adjust a capacitance value of the variable capacitive element. Additionally or alternatively, the rotor device can include a variable capacitive element and a micro-controller configured to adjust a capacitance value of the variable capacitive element. The adjustment of the capacitive elements can be based on the quality of signal detected at either the rotor device or stator device. | 05-29-2014 |
20140211862 | USB ISOLATOR INTEGRATED CIRCUIT WITH USB 2.0 HIGH SPEED MODE AND AUTOMATIC SPEED DETECTION - A USB isolator integrated circuit, including:
| 07-31-2014 |
20140269946 | SYSTEM AND METHOD FOR A BASEBAND NEARFIELD MAGNETIC STRIPE DATA TRANSMITTER - A system for a baseband near field magnetic stripe data transmitter includes a mobile phone and a magnetic stripe transmission (MST) device. The mobile phone transmits a stream of pulses including magnetic stripe data of a payment card. The magnetic stripe transmission (MST) device includes a wave shaper, a driver and an induction device. The MST device receives the stream of pulses from the mobile phone, shapes and amplifies the received stream of pulses and generates and emits high energy magnetic pulses including the magnetic stripe data. The emitted high energy magnetic pulses are picked up remotely by a magnetic read head. The MST device shapes the stream of pulses to compensate for shielding, eddy current losses and limited inductance value of the magnetic read head. | 09-18-2014 |
20150010092 | SIGNAL TRANSMISSION SYSTEM AND SIGNAL TRANSMISSION CIRCUIT - A signal transmission system and a signal transmission circuit are provided. The system includes a first chip and a second chip. A rising pulse signal (RPS) and a falling pulse signal (FPS) are generated by a transmission module on the first chip in response to a waveform of an input signal. The RPS corresponds to rising edges of the input signal, the FPS corresponds to falling edges of the input signal, and the RPS and the FPS are transmitted by a first transmission unit and a second transmission unit both located on a surface of the first | 01-08-2015 |
20150063472 | WIRELESS TECHNOLOGY BRIDGING SYSTEM - A bridged wireless communication system includes a user device that is configured to perform wireless communications natively using a second wireless technology, and a wireless technology bridging system chassis such as, for example, a user device case, coupled to the user device. The wireless technology bridging system chassis houses a first technology wireless controller that is configured to perform wireless communications using a first wireless technology that is different from the second wireless technology, and a second technology wireless controller that is configured to perform wireless communications using the second wireless technology. A bridging engine receives first wireless communications of the first wireless technology through the first technology wireless controller, converts the first wireless communications from the first wireless technology to the second wireless technology, and sends the first wireless communications of the second wireless technology through the second wireless technology controller and to the user device. | 03-05-2015 |
20150078461 | COMMUNICATION OF WIRELESS POWER RECEIVER THROUGH WIRELESS POWER SIGNAL - The present specification discloses as one embodiment a power receiver for transmitting a message by using a power transmission signal. The power receiver comprises: a power reception portion for receiving the wireless power signal that is formed by a power transmitter; a demodulation portion for demodulating the received wireless power signal; a modulation portion for modulating the received wireless power signal; and a control portion for decoding a first packet from the wireless power signal that is demodulated by means of the demodulation portion, for determining whether a second packet that does not collide with the first packet which has been decoded can be transmitted, and for modulating the received wireless power signal so as to comprise the second packet by controlling the modulation portion, when transmission is possible according to the result of the determination. | 03-19-2015 |
20150092867 | Semiconductor Device Having First and Second Demodulation Circuits For Wireless Communication - A device receives ASK signals by using an ASK signal receiving circuit that is different from an ASK signal receiving circuit for R/W mode, when an NFC-enabled semiconductor device operates in a mode other than the R/W mode. An ASK signal receiving circuit for 100% ASK is provided on the side of a pair of transmitting terminals. This arrangement eliminates the influence of an ESD provided within an ASK signal receiving circuit for 10% ASK coupled to a pair of receiving terminals. There is no need for management of threshold values that are different according to type of ASK and it is possible to support different modulation schemes by a smaller circuit configuration. | 04-02-2015 |
20160079921 | EMBEDDING DATA ON A POWER SIGNAL - Disclosed are various embodiments for embedding data on a guided surface wave. A guided surface waveguide probe emits power as a guided surface wave received by a guided surface wave receive structure circuit. An aggregate electric load of the receiver circuit is modulated with reference to a data signal. A current at the guided surface waveguide probe is monitored. A data signal is recaptured at the guided surface waveguide probe. | 03-17-2016 |
20160080034 | GUIDED SURFACE WAVE POWERED SENSING DEVICES - Disclosed is a sensing device including a guided surface wave receive structure, a physical parameter sensor, and a radio frequency transmitter. The guided surface wave receive structure may be configured to obtain electrical energy from a guided surface wave traveling along a terrestrial medium. The physical parameter sensor may be coupled to the guided surface wave receive structure. The physical parameter sensor may also measure a physical parameter associated with a physical environment local to the physical parameter sensor. The radio frequency transmitter may be coupled to the guided surface wave receive structure and communicatively coupled to the physical parameter sensor. The radio frequency transmitter may also obtain a physical parameter measurement and transmit the physical parameter measurement over a wireless network. | 03-17-2016 |
20160119029 | TRANSMITTING AND RECEIVING DIGITAL AND ANALOG SIGNALS ACROSS AN ISOLATOR USING AMPLITUDE MODULATION - Various embodiments of systems for transmitting and receiving a plurality of signals across an isolation material are disclosed. In one embodiment, a first signal may be modulated into a first modulated signal. The first modulated signal is then modulated into a second modulated signal in accordance to a second signal using amplitude modulation. In another embodiment, a first signal and a second signal are modulated into a modulated signal before being modulated further using amplitude modulation. The detection of the modulated signal may be performed using a frequency detector and an amplitude detection circuit that are arranged in parallel. At least some of the apparatuses, circuits, systems and methods disclosed herein may be implemented using conventional CMOS design and manufacturing techniques to provide, for example, at least one or more integrated circuits. | 04-28-2016 |
20160119030 | COMMUNICATION BETWEEN CAPACITIVE-ISOLATED DEVICES - Aspects of the present disclosure are directed to circuits, apparatuses and methods for communicating data between capacitive-isolated devices. According to an example embodiment, an apparatus includes a transmitter circuit configured to transmit a first single-ended data signal over a first signal path. The apparatus also includes a receiver circuit. The receiver circuit includes a differential amplifier having a first input coupled to receive a second single-ended signal from a second signal path of the plurality of signal paths and includes a second input coupled to receive a reference signal from a third signal path of the plurality of signal paths. The differential amplifier outputs a third single-ended signal indicative of a voltage difference between the first and second inputs. The receiver circuit also includes a common mode suppression circuit configured to remove a common mode voltage from the first and second inputs of the differential amplifier. | 04-28-2016 |
20160182161 | TRANSMISSION DEVICE WITH IMPAIRMENT COMPENSATION AND METHODS FOR USE THEREWITH | 06-23-2016 |
20160197409 | GUIDED-WAVE TRANSMISSION DEVICE WITH NON-FUNDAMENTAL MODE PROPAGATION AND METHODS FOR USE THEREWITH | 07-07-2016 |
20160197642 | TRANSMISSION DEVICE WITH MODE DIVISION MULTIPLEXING AND METHODS FOR USE THEREWITH | 07-07-2016 |
20160380358 | METHODS AND APPARATUS FOR INDUCING A NON-FUNDAMENTAL WAVE MODE ON A TRANSMISSION MEDIUM - Aspects of the subject disclosure may include, for example, a system for generating first electromagnetic waves and directing instances of the first electromagnetic waves to an interface of a transmission medium to induce propagation of second electromagnetic waves substantially having a non-fundamental wave mode. Other embodiments are disclosed. | 12-29-2016 |
20160380702 | METHODS AND APPARATUS FOR INDUCING A FUNDAMENTAL WAVE MODE ON A TRANSMISSION MEDIUM - Aspects of the subject disclosure may include, for example, a system for generating electromagnetic waves having a fundamental wave mode, and directing the electromagnetic waves to an interface of a transmission medium for guiding propagation of the electromagnetic waves. Other embodiments are disclosed. | 12-29-2016 |
20190149262 | LAUNCHER AND COUPLING SYSTEM TO SUPPORT DESIRED GUIDED WAVE MODE | 05-16-2019 |