Patent application number | Description | Published |
20090027353 | PRESSURE SENSOR ARRAY APPARATUS AND METHOD FOR TACTILE SENSING - An input apparatus and method for tactile sensing are disclosed. The input apparatus includes a sensor array for outputting input data in an array format according to a touch input, and a controller for obtaining first input data for a first input from the sensor array if the first input above a predetermined pressure is imposed on the sensor array, for obtaining second input data for a second input from the sensor array if the second input above a predetermined pressure is imposed on the sensor array, for generating third input data indicating an input characteristic by comparing the first input data and the second input data, and for operating according to a program based on the third input data. | 01-29-2009 |
20090153368 | TACTILE INPUT/OUTPUT DEVICE AND DRIVING METHOD THEREOF - A tactile input/output device and a driving method thereof are provided. The device includes at least one input end, at least one output end, and a controller. The input end includes a plurality of input cells arranged at regular intervals. The output end includes a plurality of output cells arranged at regular intervals. The controller senses an input signal of the input end and controls the output end to generate a corresponding output signal. The input end and the output end are installed to form one array with being separated. The input cell and the output cell are arranged so that they do not overlap with each other. | 06-18-2009 |
20100091731 | CHANNEL ALLOCATION METHOD AND APPARATUS FOR WIRELESS COMMUNICATION NETWORKS - A channel allocation method for use in a wireless communication environment, where Wireless Local Area Networks (WLANs) and Wireless Personal Area Networks (WPANs) coexist, includes collecting, at an access point, information on channels used by the WLANs and WPANs, determining available WLAN channels and available WPAN channels based on the channel information, allocating one of the available WLAN channels and one of the available WPAN channels to the access point, and informing the WLANs and WPANs of the allocated WLAN and WPAN channels. | 04-15-2010 |
20100103918 | Apparatus and method for transmitting/receiving data in human body communication system - An apparatus and a method for reducing wireless data transmission in a personal area network is configured to generate and transmit a packet including information discriminating between a synchronous channel and a data channel. The apparatus and method discriminate between the synchronous channel and data channel when receiving a packet in order to improve data transmission performance of a human body communication system. The apparatus and the method use a transmission channel whose frequency is lower than an antenna frequency as a synchronous channel, and use a transmission channel whose frequency is higher than the antenna frequency as a data channel. | 04-29-2010 |
20100295809 | METHOD AND APPARATUS FOR TRACKING INPUT POSITIONS VIA ELECTRIC FIELD COMMUNICATION - A method and apparatus for tracking input positions via Electric Field Communication (EFC) are provided. The apparatus includes a plurality of receiving electrodes for EFC and a receiver unit. The receiving electrodes detect strengths of input electric fields. The receiver unit compares the strengths of the input electric fields with each other and generates position information regarding the input electric fields. | 11-25-2010 |
20100330910 | METHOD FOR TRANSMITTING AND RECEIVING DATA USING E-FIELD IN PORTABLE TERMINAL AND APPARATUS THEREOF - A method and apparatus are provided for transmitting and receiving data using an electric field. A first device determines whether a transmission path to a second device is formed through a part of a human body using an electric field. A connection is established with the second device through the transmission path by the first device, when the transmission path is formed through the part of the human body. Connection information for the second device is obtained through the transmission path by the first device. Data is transmitted from the first device to the second device using the obtained connection information of the second device. | 12-30-2010 |
20110122795 | APPARATUS AND METHOD FOR DETECTING INTERFERENCE IN HETEROGENEOUS NETWORK OF MOBILE COMMUNICATION SYSTEM - An apparatus and a method for detecting interference in a heterogeneous system of a mobile communication system that uses an Industrial, Scientific and Medical (ISM) band are provided. More particularly, an apparatus and a method for determining a start section and an end section of a packet using an Automatic Gain Control (AGC) change in a Zigbee communication system that uses an ISM band and detecting interference in a heterogeneous system using a reception rate of a packet and an interference occurrence rate depending on whether a synchronization process is performed during the determined section. The apparatus includes an interference detector. The interference detector determines a reception section of a packet by determining a start and an end of the received packet, determines whether a packet is synchronized during the determined section, and determines interference occurrence and a packet reception rate depending on whether the packet is synchronized. | 05-26-2011 |
20120170482 | APPARATUS AND METHOD FOR TRANSMITTING DATA IN LOW-FREQUENCY BAND IN HUMAN BODY COMMUNICATION SYSTEM, AND THE HUMAN BODY COMMUNICATION SYSTEM - The present invention proposes a method for transmitting data considering a non-contact state of a human body, while selecting a central frequency in various ranges in the human body communication system. To this end, a first embodiment of the present invention proposes a human body communication system in which a central frequency can be simply moved, and specifically, proposes a data transmission apparatus comprising a frequency shifter which shifts the output of a multiplexer into a specified frequency so as to enable the central frequency to be moved. In addition, a second embodiment of the present invention proposes a human body communication system which controls not only central frequency selection and transmission band minimization, but also a data rate, modulation, etc, and thus can perform stable communication in a non-contact state of a human body. Through this, it is possible to maximize the band efficiency, and to transmit data considering a non-contact state of a human body. | 07-05-2012 |
20130051292 | COMMUNICATION APPARATUS AND METHOD USING PSEUDO-RANDOM CODE - According to the present invention, a communication apparatus comprises: a preamble generator which generates a pseudo-random code; a band shaping code generator which generates a band shaping code having a higher frequency than the pseudo-random code; a calculator which performs a calculation of the pseudo-random code and the band shaping code and outputs a preamble obtained through the calculation; and a multiplexer which multiplexes the preamble for synchronization with a second communication apparatus, a header, and data, and outputs a data frame obtained through the multiplexing. | 02-28-2013 |
20130052974 | APPARATUS FOR RECEIVING ANALOG BASEBAND SIGNAL - Provided is a receiving apparatus for processing an analog baseband signal in an information terminal that communicates using a dielectric. The receiving apparatus includes an electrode for receiving an electric-field signal; a first gain adjuster for gain adjustment by amplifying the received signal; a channel selection filter for selecting a signal corresponding to a receive channel bandwidth from the gain-adjusted signal; a second gain adjuster for gain adjustment by amplifying the selected signal; a comparator for converting a signal output from the second gain adjuster into a digital signal; an oversampler for oversampling the digital signal at a frequency f | 02-28-2013 |
20140024356 | METHOD AND APPARATUS FOR PREVENTING SCREEN OFF DURING AUTOMATIC RESPONSE SYSTEM SERVICE IN ELECTRONIC DEVICE - A method of avoiding screen off during an Automatic Response System (ARS) service is provided. The method includes enabling a proximity sensor in a call connection, detecting one of a first gesture and a second gesture during a call, and upon detecting the first gesture, disabling the proximity sensor. | 01-23-2014 |