Patent application number | Description | Published |
20080274697 | Radio communication apparatus - Disclosed here in is a radio communication apparatus for transmitting a modulated reflected wave signal to a reflected wave reading apparatus as a signal resulting from a modulation process to modulate an unmodulated carrier, which is received from the reflected wave reading apparatus, in order to superpose information to be transmitted to the reflected wave reading apparatus on the unmodulated carrier, the radio communication apparatus including: an antenna; information outputting means configured to generate information to be transmitted to the reflected wave reading apparatus; feed characteristic changing means configured to change a feed characteristic of the antenna in accordance with the information to be transmitted; radiation characteristic changing means configured to change a radiation characteristic of the antenna in accordance with the information to be transmitted; and modulation means configured to carry out the modulation process according to the information to be transmitted in a process to reflect an electric wave signal received by the antenna. | 11-06-2008 |
20090290566 | Receiving Apparatus and Receiving Method - There is provided a receiving apparatus including a radio receiving section that receives a first radio signal transmitted according to a first communication system and a second radio signal transmitted according to a second communication system, a first detection section that detects the first radio signal among radio signals received by the radio receiving section, a second detection section that detects the second radio signal among radio signals received by the radio receiving section using a predetermined correlation threshold, and a threshold control section that temporarily changes the correlation threshold of the second detection section when the first radio signal is detected by the first detection section. | 11-26-2009 |
20090304128 | Packet Detection Apparatus and Method, Wireless Communication Apparatus and Method, and Computer Program - A packet detection apparatus detects a packet from a received signal by using a preamble containing an established, repeating training sequence. A first autocorrelation calculator computes a first autocorrelation of the received signal over a first interval. A first determining unit determines packet discovery by comparing the first autocorrelation to a first autocorrelation threshold value. A second autocorrelation calculator computes a second autocorrelation of the received signal over a second interval equivalent to the interval length for packet discovery announcement. A second determining unit determines packet discovery announcement by comparing the second autocorrelation to a second autocorrelation threshold value lower than the first autocorrelation threshold value. | 12-10-2009 |
20100040044 | Synchronization Circuit, Synchronization Method, Wireless Communication Apparatus, Wireless Communication Method, and Computer Program - A synchronization circuit includes a packet detecting unit that searches a received signal for a preamble that is added to the beginning of a packet and that includes given repetitive training sequences to detect the packet; a packet detection reconfirming unit that reconfirms the packet detection by the packet detecting unit by using a received signal in a field in the preamble, subsequent to the field where the packet detecting unit has detected the packet; and a control unit that cancels the packet detection by the packet detecting unit in response to the packet detection reconfirming unit that detects erroneous detection of the packet by the packet detecting unit to cause the packet detecting unit to start detection of a packet from a received signal again. | 02-18-2010 |
20100049624 | COMMODITY MARKETING SYSTEM - A commodity marketing system includes: a mobile terminal performing communication for performing user authentication; a communication device recognizing the mobile terminal and performing communication; a customer database performing user authentication of a person who carries the mobile terminal through the communication device and managing personal information; an imaging device taking an image of the person who carries the mobile terminal; a synthesizing device synthesizing the image taken by imaging device with another image; a commodity database storing the other image to be synthesized by the synthesizing device; a display device displaying the image synthesized by the synthesizing device; an input device to which the person inputs information; a delivery system delivering a commodity based on the information that is input to the input device; and a transaction system performing a transaction from the person authenticated by the customer database. | 02-25-2010 |
20100091897 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION METHOD AND COMPUTER PROGRAM - There is provided a wireless communication system, including a first terminal equipped with N antennas, N being an integer of at least two, a second terminal equipped with M antennas, M being an integer of at least one, and a third terminal equipped with L antennas, L being an integer of at least one. The first terminal includes a matrix calculation portion that calculates a transmission weight matrix suitable for transmitting data from the first terminal to the second terminal, and a matrix multiplication portion that multiplies a first data stream and a second data stream by the transmission weight matrix, the first data stream being transmitted from the first terminal to the second terminal, and the second data stream being transmitted from the first terminal to the third terminal. | 04-15-2010 |
20110222429 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, COMMUNICATION SYSTEM, AND PROCESSING METHOD USED IN RECEPTION APPARATUS - The present invention relates to a transmission apparatus, a reception apparatus, a communication system, and a processing method used in the reception apparatus that are capable of reducing collisions of an Ack frame. | 09-15-2011 |
20110267310 | SENSOR APPARATUS AND INFORMATION DISPLAY APPARATUS - A sensor apparatus includes a sensor unit, a calculation unit, a switch circuit unit, and a control unit. The sensor unit has a plurality of detection electrodes each having a capacitance changed by proximity of a detection target object. The calculation unit calculates a first distance, which is a distance between the detection target object and the sensor unit. The switch circuit unit is capable of switching the detection electrodes between a first state in which a signal voltage for detecting the capacitance is supplied and a second state which is an electrically floating state, and selects at least two detection electrodes one by one switched from the second state to the first state. The control unit controls the switch circuit unit to cause a second distance, which is a distance between the detection electrodes switched from the second state to the first state, to correspond to the first distance. | 11-03-2011 |
20110291939 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, INPUT APPARATUS, AND SENSOR SHEET - An information processing apparatus includes: a key array having a key layout in which rows of input keys parallel to a first direction are arranged in a second direction orthogonal to the first direction and the input keys belonging to one row are shifted in the first direction to the input keys belonging to another row; first wiring electrodes routed between the input keys at intervals in the first direction and each having a capacitance changed by proximity of a detection target; second wiring electrodes routed along the first direction to thread through the rows and each having the capacitance; and a control unit to generate a control signal including a first signal on a position of the detection target along the first direction based on the capacitances of the first and second wiring electrodes and a shift amount of the input keys in each row in the first direction. | 12-01-2011 |
20110298699 | INPUT APPARATUS, INFORMATION PROCESSING APPARATUS, OPERATION INPUT METHOD, AND SENSOR SHEET - Provided is an input apparatus including an input operation section, a capacitive sensor, and an output section. The input operation section includes an operation member configured to mechanically receive an input operation, and a first detection circuit configured to detect the input operation of the operation member. The capacitive sensor includes a plurality of electrodes which are arranged around the operation member, and each of which has a capacitance variable due to an approaching of a detection target, and a second detection circuit configured to detect the capacitance of each of the plurality of electrodes. The output section is configured to output an output of the first detection circuit and an output of the second detection circuit. | 12-08-2011 |
20110310009 | POINTING SYSTEM, CONTROL DEVICE, AND CONTROL METHOD - A pointing system including: a pointing device including an operation portion and a light-emitting portion that emits light according to an operation to the operation portion; and a control device including an image pickup portion that picks up light from the light-emitting portion when the light-emitting portion emits light and outputs an image including information on a light spot of the light, a display portion that includes a screen and displays a pointer on the screen, and a control portion that judges, as well as judge a movement of the light spot based on the information on the light spot in the image and move the pointer on the screen based on the movement of the light spot, whether the light spot is turned off based on the information on the light spot in the image and executes processing related to a click when the light spot is turned off. | 12-22-2011 |
20130049957 | MOBILE TERMINAL APPARATUS AND ORIENTATION PRESENTMENT METHOD - A mobile terminal apparatus including a casing, a plurality of vibrators, and a controller. The plurality of vibrators are provided inside the casing. The controller is configured to judge an orientation from a position of the casing to a target position and cause a vibration for presenting the orientation in the casing by driving at least one of the plurality of vibrators based on a result of the judgment. | 02-28-2013 |
20130082829 | FORCE SENSE PRESENTATION APPARATUS - A force sense presentation apparatus includes a main body, a first movable unit, and a first drive mechanism. The main body has a longitudinal direction in a first axis direction and includes a holding unit held by a user. The first movable unit is configured to cover at least a part of the holding unit and is capable of being displaced with respect to the main body in a second axis direction which intersects the first axis. The first drive mechanism is provided to the main body and configured to cause the first movable unit to be displaced in the second axis direction with respect to the main body to generate a moment about a third axis to the holding unit. The third axis intersects the first axis and the second axis. | 04-04-2013 |
20140022064 | POINTING APPARATUS AND IMAGING APPARATUS - A tactile sense providing apparatus comprising a tactile sense providing unit, a measuring light source unit, a light-receiving unit; and a control unit. The control unit is configured to calculate a distance to an object based on a light emitted by the measuring light source unit and received by the light-receiving unit, determine a tactile stimulus condition based on the distance; and drive the tactile sense providing unit according to the tactile stimulus condition. | 01-23-2014 |
20140059255 | INPUT DEVICE, INPUT SYSTEM, ELECTRONIC APPARATUS, AND SENSE PRESENTATION METHOD - An input device includes an operation portion configured to receive an input operation made by a user, a vibration portion configured to vibrate the operation portion, a detection portion configured to detect the input operation, and a controller configured to determine a vibration condition of the vibration portion based on the input operation detected by the detection portion and present an elastic sense to the user by driving the vibration portion under the determined vibration condition. | 02-27-2014 |
20140085200 | POINTING SYSTEM, POINTING DEVICE, AND POINTING CONTROL METHOD - [Object] To provide a pointing system capable of presenting an intuitive operational feeling to a user. | 03-27-2014 |
20140132865 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device has a pair of wall electrodes facing each other, which is disposed on pixels on a first substrate, functions as one of pixel electrodes and a common electrode, and takes a posture of standing on the first substrate. Also, the liquid crystal display device has a center electrode that is disposed between the pair of wall electrodes, functions as the other of the pixel electrodes and the common electrode, has a convexity lower in height than the pair of wall electrodes, and makes a width in a direction along which the pair of wall electrodes faces each other gradually smaller toward the second substrate. According to this liquid crystal display device, since a vertical electric field can be prevented from being developed on an upper side of the center electrode, a transmittance of light can be improved. | 05-15-2014 |
20140366636 | SIGNAL COMPENSATION UNIT, BEND SENSOR MODULE, AND INPUT UNIT - A signal compensation unit includes an adjustment section configured to adjust temporal variation characteristics of a detection signal obtained by a bend sensor. The adjustment section includes: a signal amplifier including a positive input terminal, a negative input terminal, and an output terminal, and amplifying the detection signal; and a resistor for adjustment of the temporal variation characteristics disposed between the positive input terminal and the negative input terminal of the signal amplifier. | 12-18-2014 |