Patent application number | Description | Published |
20090015552 | Operation system, pointing device for 3-dimensional operations, and operation method - An operation system used for operating a pointer on a display screen includes a first transmitting section, a first receiving section, a measuring section, and an outputting section. The first transmitting section transmits radio waves of a millimeter band. The first receiving section receives the radio waves transmitted from the first transmitting section, a distance between the first transmitting section and the first receiving section being changeable. The measuring section measures an amplitude of the radio waves received by the first receiving section. The outputting section outputs an operation signal for executing an operation of the pointer on the display screen in a depth direction in accordance with a change of the amplitude of the radio waves measured by the measuring section. | 01-15-2009 |
20090029648 | Information communication method, information communication system, information reception apparatus, and information transmission apparatus - An information communication method includes transmitting a millimeter-band radio wave from a reception side, reflecting the transmitted radio wave at a transmission side while vibrating the transmitted radio wave corresponding to first information transmitted by the transmission side, and receiving the reflected radio wave at the reception side and reconstructing the first information based on a phase difference between the transmitted radio wave and the received radio wave. | 01-29-2009 |
20090040119 | RADIO COMMUNICATION SYSTEM AND COMMUNICATION METHOD THEREFOR - A radio communication system for performing radio communication between a first antenna and a second antenna is provided. Each of the first and second antennas includes a plurality of antenna elements for forming polarization planes orthogonal to each other in three-axial directions. The first and second antennas are arranged so that the polarization planes formed by the antenna elements of the first antenna are respectively opposed to the polarization planes formed by the antenna elements of the second antenna. The communication between the first antenna and the second antenna is performed by using three independent polarized waves. | 02-12-2009 |
20090190756 | Systems and Methods for Securing a Digital Communications Link - A digital data signal, such as a digital video signal, is intentionally pre-distorted before being sent over a network. In one embodiment, this pre-distortion may be performed in accordance with a pre-distortion pattern or algorithm which is shared with only intended receivers. The pre-distortion pattern may be used to vary the pre-distortion on a periodic basis, as frequently as on a symbol-by-symbol basis. The pre-distortion function may include distorting the phase and/or the amplitude of the digital signal's modulation. | 07-30-2009 |
20100159855 | TECHNIQUES FOR PRE-DISTORTING TRANSMITTED SIGNALS FOR A TRANSMITTER DEVICE - Techniques for sending and receiving signals include pre-distorting signals before transmission across a communication path. The signals are pre-distorted as a function of a distortion on the communication path. In one embodiments, transmitter a broadcasts to receiver b and there is also a transmitter b broadcasting to receiver a. This return channel enables both transmitters a and b to have a priori information regarding the transmission medium and path the signal takes. In this way, the nature of the distortion or interference is known to the transmitter, therefore, it pre-distorts the transmitted signal to compensate for the receiver exceeding its capabilities in recovering signal. | 06-24-2010 |
20100254477 | TRANSMISSION APPARATUS AND COMMUNICATIN SYSTEM - Disclosed herein is a transmission apparatus including a first transmission block configured to modulate a carrier-wave signal having a predetermined frequency on the basis of a first input signal, thereby outputting a first transmission signal; and a second transmission block configured to modulate a carrier-wave signal having a predetermined frequency on the basis of a second input signal, thereby outputting a second transmission signal; wherein a first input point for inputting the first transmission signal outputted from the first transmission block into a waveguide and a second input point for inputting the second transmission signal outputted from the second transmission block into the waveguide are shifted by a distance for providing a predetermined phase difference between the first transmission signal and the second transmission signal. | 10-07-2010 |
20110047588 | Wired transmission line for AV devices - There is provided a wired transmission line for AV devices which includes a first AV device and a second AV device, the wired transmission line allowing millimeter-wave communication between the first AV device and the second AV device using a millimeter-wave communication module provided for each of the first AV device and the second AV device, wherein the wired transmission line includes: a first coupling unit capable of being attached to a housing of the first AV device above the millimeter-wave communication module included in the first AV device; a second coupling unit capable of being attached to a housing of the second AV device above the millimeter-wave communication module included in the second AV device; and a waveguide which couples the first coupling unit and the second coupling unit. | 02-24-2011 |
20110051780 | Wireless transmission system, wireless communication device, and wireless communication method - A wireless transmission system includes: a communication unit for transmission; and a communication unit for reception. The communication units for transmission and reception are housed in a housing of the same electronic apparatus, or the communication unit for transmission is housed in a housing of first electronic apparatus and the communication unit for reception is housed in a housing of second electronic apparatus and a wireless signal transmission path enabling wireless information transmission between the communication units is formed between the communication units when the first and the second electronic apparatus are disposed at given positions to be integrated with each other. The communication unit for transmission includes a first carrier signal generating unit and a first frequency converter, and the communication unit for reception includes a second carrier signal generating unit, and a second frequency converter. | 03-03-2011 |
20110122047 | ANTENNA AND A METHOD OF MANUFACTURING - A method of manufacturing an antenna comprising: providing a millimeter wave (MMW) antenna attached to a signal pad on an integrated circuit mounted on a substrate, and adjusting one or more parameters of the antenna to conform to predetermined desired thresholds, levels or ranges, wherein the adjustment is selected from the group consisting of: locating a conducting or dielectric object at a desired tuner location in proximity to the antenna to tune the central signal frequency, locating a conducting reflector at a desired reflector location in proximity to the antenna to tune the radiation direction or pattern, and selecting a conducting patch or object as a radiator/detector element to modify the bandwidth. Also a millimeter wave (MMW) antenna. | 05-26-2011 |
20110165847 | MILLIMITER WAVE TRANSMISSION DEVICE, MILLIMITER WAVE TRANSMISSION METHOD, AND MILLIMITER WAVE TRANSMISSION SYSTEM - The device includes: a signal generating unit generating a millimeter wave signal by signal processing of an input signal; a coupling circuit transmitting an electromagnetic wave from the millimeter wave signal generated by the signal generating unit to one end of a circuit board; a coupling circuit receiving the electromagnetic wave from the millimeter wave signal from the other end of the circuit board; and a signal generating unit that generates an output signal by signal processing of the millimeter wave signal from the electromagnetic wave received by the coupling circuit. Preferably, the circuit board is constituted by a dielectric material whose the dielectric loss tangent is relatively large, and a transmission line functioning as a millimeter wave transmission path is constituted within this circuit board. With this construction, extremely high-speed signals can be transmitted through a circuit board having a prescribed dielectric constant representing a large loss. | 07-07-2011 |
20110194627 | Signal transmission system, transmitting device, receiving device, electronic device, and signal transmisission method - A signal transmission system includes: a transmitting section including a first carrier signal generating section configured to generate a carrier signal for modulation and a first frequency converting section configured to generate a transmission signal by frequency-converting a transmission object signal by the carrier signal for modulation, the carrier signal for modulation being generated by the first carrier signal generating section; and a receiving section including a second carrier signal generating section configured to generate a carrier signal for demodulation and a second frequency converting section configured to frequency-convert the transmission signal received by the carrier signal for demodulation, the carrier signal for demodulation being generated by the second carrier signal generating section. | 08-11-2011 |
20120093041 | Signal transmission apparatus, electronic instrument and signal transmission method - A signal transmission apparatus includes: a transmission section adapted to transmit a transmission object signal as a radio wave; a reception section adapted to receive the radio wave transmitted from the transmission section and output an electric signal corresponding to the received radio wave; and a connection section adapted to connect a first housing and a second housing of an electronic instrument pivotably around a center axis; the connection section having a radio signal transmission line formed therein by which wireless transmission can be carried out between the transmission section and the reception section. | 04-19-2012 |
20120207195 | SIGNAL TRANSMISSION DEVICE, ELECTRONIC DEVICE, AND SIGNAL TRANSMISSION METHOD - A signal generation unit | 08-16-2012 |
20130114218 | ELECTRONIC CIRCUIT, METHOD OF MANUFACTURING ELECTRONIC CIRCUIT, AND MOUNTING MEMBER - An electronic circuit includes: a semiconductor chip provided with a single-ended I/F including a pad on which single-ended signals are exchanged; and a mounting unit on which a differential transmission path transmitting a differential signal is formed, and on which the semiconductor chip is mounted so that the pad of the single-ended I/F is directly electrically connected to a conductor configuring the differential transmission path. | 05-09-2013 |
20130205049 | SIGNAL PROCESSING DEVICE - A signal processing device includes: signal processing circuits. The signal processing circuit includes an input/output circuit configured by an input circuit serving as an input interface of a signal of a predetermined frequency band and/or an output circuit serving as an output interface of a signal of the frequency band and performs transmission of a signal of the frequency band between the signal processing circuit and another signal processing circuit. The output circuits of one and another signal processing circuits include circuits having the same configuration. The input circuits of the one and another signal processing circuits include other circuits having the same configurations. The input/output circuits of the one and another signal processing circuits can perform transmission of a signal of the predetermined frequency band even when any one of transmission media having mutually different characteristics is mediated. | 08-08-2013 |
20130314181 | COUPLER - An electromagnetic coupler comprising: a transmitter configured to operate at a first central frequency, a first termination configured to connect to the transmitter and having a second resonant frequency, a receiver configured to operate at the first frequency, a second termination configured to connect to the receiver and having a third resonant frequency, wherein when the first and second terminations are bought into close proximity when engaged, the equivalent resonant frequency is substantially the first frequency, and wherein the second and/or third frequencies being substantially spectrally spaced from the first frequency. | 11-28-2013 |
20130342244 | SIGNAL PROCESSOR AND SIGNAL PROCESSING METHOD - A signal processor includes: a plurality of frequency converters which perform frequency conversion of input signals to output converted signals; and an output section which combines the converted signals output from the plurality of frequency converters and outputs a composite signal, wherein the plurality of frequency converters are formed in a one-chip semiconductor chip, and the plurality of frequency converters perform frequency conversion into converted signals in different frequency bands. | 12-26-2013 |
20140314156 | SYSTEMS AND METHODS FOR SECURING A DIGITAL COMMUNICATIONS LINK - A digital data signal, such as a digital video signal, is intentionally pre-distorted before being sent over a network. In one embodiment, this pre-distortion may be performed in accordance with a pre-distortion pattern or algorithm which is shared with only intended receivers. The pre-distortion pattern may be used to vary the pre-distortion on a periodic basis, as frequently as on a symbol-by-symbol basis. The pre-distortion function may include distorting the phase and/or the amplitude of the digital signal's modulation. | 10-23-2014 |
20150043623 | WIRELESS TRANSMISSION SYSTEM, WIRELESS COMMUNICATION DEVICE, AND WIRELESS COMMUNICATION METHOD - A wireless transmission system includes: a communication unit for transmission; and a communication unit for reception. The communication units for transmission and reception are housed in a housing of the same electronic apparatus, or the communication unit for transmission is housed in a housing of first electronic apparatus and the communication unit for reception is housed in a housing of second electronic apparatus and a wireless signal transmission path enabling wireless information transmission between the communication units is formed between the communication units when the first and the second electronic apparatus are disposed at given positions to be integrated with each other. The communication unit for transmission includes a first carrier signal generating unit and a first frequency converter, and the communication unit for reception includes a second carrier signal generating unit, and a second frequency converter. | 02-12-2015 |