Patent application number | Description | Published |
20090079845 | DIGITAL CAMERA SYSTEM - A digital camera system includes a digital camera unit, and an authenticating unit in which unique setup control data of the digital camera unit is stored. The digital camera unit includes an imaging module that picks up an object image to generate image data, a first human body communication module that conducts communication via a human body, and a first controller that performs a setup operation related to at least one of a plurality of functions of the digital camera unit according to the setup control data received from the authenticating unit by the first human body communication module. In addition, the authenticating unit includes a second human body communication module that conducts communication via the human body, a setup control data storing unit in which the setup control data is stored, and a second controller that causes the setup control data to be transmitted to the digital camera unit via the second human body communication module. | 03-26-2009 |
20090213973 | CLOCK REGENERATION CIRCUIT - A clock regeneration circuit according to the present invention that generates a clock signal that is synchronized to an input signal, includes: a detection section which detects points at which the input signal transitions; a histogram generation section which associates a plurality of partial periods with the transition points, and generates a first histogram indicating an incidence of the transition points for each of the partial periods, the partial periods being generated by dividing a reference period of the clock signal; a calculation processing section which generates a second histogram by calculation processing based on the first histogram, and calculates a phase adjustment value of the clock signal based on the second histogram; and a phase adjustment section which adjusts a phase of the clock signal based on the phase adjustment value. | 08-27-2009 |
20100220827 | DATA COMMUNICATION SYSTEM AND RECEIVING DEVICE - A data communication system comprises a transmitting device which transmits data and a receiving device which receives the data. The transmitting device comprises a clock generating circuit and a transmitting unit. The clock generating circuit generates a clock having a temperature characteristic in that a clock frequency varies with temperature. The transmitting unit transmits data generated in synchronization with the clock to the receiving device. The receiving device comprises a receiving unit, a detecting unit, a storage unit, and a calculating unit. The receiving unit receives the data. The detecting unit detects the clock frequency from the data. The storage unit stores temperature characteristic information regarding the temperature characteristic of the clock frequency. The calculating unit calculates a temperature corresponding to the clock frequency based on the clock frequency and the temperature characteristic information. | 09-02-2010 |
20120218430 | RECEPTION DEVICE - A reception device includes: a reception unit which receives transmission data from an imaging device, the imaging device performing imaging processing at prescribed intervals, generating image data, packetizes the image data to create the transmission data, and transmitting the transmission data; a display processing unit which performs display processing of generating a display signal from the transmission data; a measurement unit which extracts a specific packet from the transmission data, measures a difference between prescribed reference timing generated at intervals in relation to display of the display signal and reception timing of the specific packet multiple times, and generates an estimated imaging timing signal in which operation timing of the imaging processing is estimated, based on the measurement result; and a processing unit which synchronizes the imaging processing and the display processing so as to be a prescribed phase with each other using the estimated imaging timing signal. | 08-30-2012 |
20130100331 | DISPLAY DEVICE AND DISPLAY SYSTEM - Provided is a display device that processes images in a set cycle, creates image data for each frame or field and that has: a receiver that receives transmitted data from an imaging device that encodes image data as packets, creates transmission data and transmits said transmission data; a display processing unit that generates a display signal for display from the transmitted data; a measuring unit that measures the reception timing of specific packets among the transmitted data; a determination unit that determines the reception state of the specific packets and, based on the results of this determination, determines whether or not to use the received timing; and a processing unit that uses the reception timing and phase regulates the display signal if the determination unit determines to use the reception timing. | 04-25-2013 |
20130244580 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION SYSTEM - The present invention provides a wireless communication device comprising: a wireless communication unit configured to perform wireless communication using radio waves belonging to a predetermined radio wave band between a first external device and a second external device; a proximity communication unit configured to perform proximity communication with a control terminal; and a control unit configured to cause control data, which indicates an instruction for the first external device, received from the control terminal via the proximity communication unit to be transmitted to the first external device via the wireless communication unit, the control unit adjusting a transmission timing of the control data or the data when causing the control data to be transmitted to the first external device while the first external device or the wireless communication unit sequentially transmits data to the second external device. | 09-19-2013 |
20140002625 | IMAGE PROCESSING DEVICE | 01-02-2014 |
20140063284 | IMAGE TRANSMISSION DEVICE AND IMAGING DISPLAY SYSTEM - An image transmission device is an image transmission device in an imaging display system in which an imaging device which images a subject and outputs frame image data, the image transmission device which wirelessly transmits the frame image data, an image reception device which wirelessly receives the wirelessly transmitted frame image data, and a display device which displays an image thereon based on the frame image data wirelessly received by the image reception device are included. The image transmission device includes an input unit, an image processing unit, a communication unit, and an adjustment unit. | 03-06-2014 |
20140218547 | WIRELESS DEVICE - This wireless device has: a variable directivity antenna having variable directivity characteristics; a generating unit, which generates control information to be used in connection setting processing from radio waves transmitted from other wireless device before completion of the connection setting processing, and received by the variable directivity antenna, and which generates data for data processing from the radio waves transmitted from other wireless device after the completion of the connection setting processing and received by the variable directivity antenna; a connection setting unit, which performs the connection setting processing with respect to other wireless device identified by means of the control information; and an antenna control unit, which controls the directivity direction of the variable directivity antenna to a predetermined direction during a period from a time when the connection setting unit started the connection setting processing to a time when the connection setting unit completes the connection setting processing. | 08-07-2014 |
20150023201 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND PROGRAM - Among a plurality of communication formats to be used to transmit data with a predetermined period, a communication format that requires equal to or greater than half the period to transmit data is defined as a normal format, and a communication format that requires smaller than the half the period to transmit data is defined as a time division format. An antenna wirelessly receives data from the target device. A reception control circuit controls a directional direction of the antenna to measure states of electric waves around the wireless communication device. In a case that a direction of the target device is indistinguishable from a direction of the non-target device as a result of measurement of the states of the electric waves, the reception control circuit changes a communication format of the wireless communication device from the normal format to the time division format. | 01-22-2015 |
20150029056 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, AND COMPUTER READABLE STORAGE DEVICE - A wireless communication device includes: a directional antenna configured to wirelessly receive data from the wireless communication device which is a connection partner; a processing unit configured to perform a first detection process of controlling a directivity direction of the directional antenna and detecting a first direction which is a direction of a radio wave generation source other than the wireless communication device and a second detection process of controlling the directivity direction of the directional antenna and detecting a second direction which is a direction of the wireless communication device; and a control unit configured to set a directivity angle of the directional antenna to a narrower angle when the second detection process is performed by setting the directivity direction of the directional antenna in a vicinity of the first direction. | 01-29-2015 |