| Patent application number | Description | Published |
|---|
| 20100003917 | COMMUNICATION SYSTEM - A communication system according to the present invention includes a transmitter for applying a transmission signal to a human body as an electric field, and a receiver for receiving the transmission signal by detecting the electric field via the human body. The receiver includes a reception electrode which faces the human body, a resonance circuit formed of a resonance inductor and a resonance capacitor, and a coupling capacitor for capacitively coupling the reception electrode and the resonance circuit. | 01-07-2010 |
| 20100009628 | DATA COMMUNICATION SYSTEM - A data communication system includes a transmission medium such as a human body for transmitting an information signal via an electric field, a mobile device including a sender for imparting the electric field in which the information signal is modulated to the transmission medium, a stationary device including a receiver for detecting the electric field via the transmission medium and demodulating the electric field into the information signal, a floor cover arranging the stationary device and also being contacted by the transmission medium, in which the floor cover has a communication area contacted by the transmission medium where a data communication is performed between the mobile device and the stationary device, and the communication area is in a state of being electrically floating with respect to the floor cover. | 01-14-2010 |
| 20100029203 | COMMUNICATION APPARATUS - A communication apparatus includes a transmitter configured to supply an information signal as an electric field to a transmission medium; a receiver configured to detect the electric field through the transmission medium to acquire the information signal; an insulating casing that accommodates at least one of the transmitter and the receiver; and a filling member that is arranged at least one of between the casing and the transmitter and between the casing and the receiver. | 02-04-2010 |
| 20100184373 | INFORMATION TERMINAL DEVICE - A mobile phone includes a display unit for visually confirming the information and an input unit for inputting the information. The display unit includes a display element, and the input unit includes an operation button. The mobile phone contains an electrode pair formed of a human side electrode and an external electrode for human body communication inside the casing. The mobile phone has the external electrode disposed around the display unit, and the human side electrode disposed around the input unit. | 07-22-2010 |
| 20100304671 | ELECTRONIC APPARATUS FOR ELECTRIC FIELD COMMUNICATION - A casing contains a circuit substrate. A signal electrode for transmitting and/or receiving an electronic field signal is arranged on a first surface side of the casing. The signal electrode is electrically connected to a conductor, which is an apparatus component, of the circuit substrate. A battery and a reference electrode having an electric field reference potential, which are apparatus components, are arranged on the second surface side of the casing. The sum (Cst) of a capacitance between the signal electrode and the transmission medium and a capacitance between the apparatus component and the transmission medium generated while the first surface is facing the transmission medium is approximately equal to the sum (Cgt) of capacitances between the apparatus components and the transmission medium generated while the second surface is facing the transmission medium. | 12-02-2010 |
| 20110021141 | ELECTRONIC DEVICE FOR ELECTRIC-FIELD COMMUNICATION - Provided is an electronic device for electric-field communication which is not easily affected by static electricity when electrostatically charged and is capable of maintaining sufficient performance. The electronic device for electric-field communication of the invention is an electronic device used as a transmitter | 01-27-2011 |
| 20110199079 | CURRENT SENSOR AND BATTERY WITH CURRENT SENSOR - A current sensor includes a magnetic detection element having a resistance value changed by applying inductive magnetic field from measurement target current, a magnetic core provided in the vicinity of the magnetic detection element, and a coil generating magnetic field attenuating the inductive magnetic field. A constant level current in a predetermined range of output voltage of the magnetic detection element flows in the coil, and the measurement target current is detected on the basis of the output voltage of the magnetic detection element. | 08-18-2011 |
| 20110294420 | COMMUNICATION SYSTEM - A communication system includes a transmitter that applies an electric field, obtained by modulating an information signal for wideband communication, to a transmission medium. The transmitter includes a transmission electrode, a transmission circuit that outputs the information signal for the wideband communication, and a first band controller that controls a band of the information signal for the wideband communication. When the transmission medium is in contact with the transmission electrode and the transmission medium and the transmission electrode are capacitively coupled to each other, the first band controller performs control to provide a band that is necessary for a receiver to perform demodulation for the wideband communication, and when the transmission medium is not in contact with the transmission electrode, the first band controller performs control to provide a narrower band than the band that is necessary for the wideband communication. | 12-01-2011 |
| 20110294421 | COMMUNICATION SYSTEM - A communication system according to the present invention includes a transmitter | 12-01-2011 |
