Patent application number | Description | Published |
20100156722 | METHOD AND APPARATUS FOR CONTROLLING RADIATION DIRECTION OF SMALL SECTOR ANTENNA - Disclosed are an apparatus and method for controlling a radiation direction of a small sector antenna, used for a small wireless transmission device having limited power and calculation capabilities, capable of operating at a low power consumption with the necessity of simple calculation capabilities or without the necessity of even a few calculation capabilities. The apparatus for controlling a radiation direction of a small sector antenna includes a plurality of capacitance blocks including a plurality of capacitors each having one end commonly connected to corresponding parasitic elements and having a different capacitance. Capacitors having a capacitance corresponding to a radiation direction are selectively connected to corresponding parasitic elements through a plurality of switching units and a controller, thereby simplifying controlling and reducing power consumption for controlling the radiation direction. | 06-24-2010 |
20110092244 | AD-HOC WIRELESS COMMUNICATION METHOD USING SECTOR ANTENNA, RECOVERY METHOD IN AD-HOC WIRELESS COMMUNICATION AND AD-HOC WIRELESS COMMUNICATION SYSTEM - Provided are an ad-hoc wireless communication method using a sector antenna, a recovery method in ad-hoc wireless communication, and an ad-hoc wireless communication system. The ad-hoc wireless communication method using a sector antenna according to an exemplary embodiment of the present invention, includes: transmitting a requesting message for setting a communication link while changing transmission power to each sector of the sector antenna; receiving a response message corresponding to the requesting message from a receiving node of each sector; configuring a routing table for the transmission power for each sector based on the received response message; and transmitting data at the transmission power for each sector by referring to the routing table. | 04-21-2011 |
20120086603 | METHOD AND APPARATUS FOR ADJUSTING HORIZONTAL BEAM OF OMNI-DIRECTIONS ANTENNA - A horizontal beam adjusting method and apparatus for an omni-directional antenna are provided. The horizontal beam adjusting apparatus may generate a switch control signal according to an inclination of the omni-directional antenna, and adjust a radiation direction of the omni-directional antenna according to the switch control signal. Accordingly, the adjusted radiation direction may have horizontal omni-directionality with respect to a ground surface. | 04-12-2012 |
20120086616 | ANTENNA FOR PROVIDING SELECTIVE RADIATION PATTERNS AND ANTENNA CONSTRUCTION METHOD - An antenna providing a plurality of radiation patterns by adjusting a vertical beamwidth and a construction method for the antenna are provided. The antenna may include an integrated circuit (IC) element unit to provide a plurality of radiation patterns, and a switching unit to selectively provide any one of the plurality of radiation patterns based on control data. | 04-12-2012 |
20120249417 | INPUT APPARATUS - An input apparatus includes a gesture sensing unit for sensing a hand gesture of a user; and an input signal generation unit for generating an input signal for control of a target electronic device based on the sensed hand gesture. The hand gesture of the user includes at least one of a pinching gesture with two or more fingers, a pointing gesture with one finger, and a scratching gesture with one finger to a camera. | 10-04-2012 |
20140141847 | WIRELESS COMMUNICATION SYSTEM - Disclosed is a wireless communication system. The wireless communication system includes an embedded-type antenna embedded in a base, and a wireless communication unit including a communication unit that is connected to the embedded-type antenna and exchanges information with an external device, and a housing that is arranged to surround the communication unit, wherein at least one of the communication unit and the housing performs transmission and reception of electric waves as a substitute of the embedded-type antenna. | 05-22-2014 |
20150155625 | SMALL SWITCHABLE DIRECTIONAL CONTROL ANTENNA - Provided is a small switchable directional control antenna that can perform direction control according to shapes and sizes of various devices. The antenna includes a dielectric layer, a radiation patch formed on a side of the dielectric layer, a ground plane formed on a side of the dielectric layer opposite to the side on which the radiation patch is formed and configured to have a plurality of slots formed at edges thereof, and a control module insulated from the ground plane and configured to control electrical connection between the radiation patch and the ground plane. | 06-04-2015 |
20150200451 | CONTROL METHOD FOR RADIATION BEAM DIRECTION OF WIRELESS TRANSMISSION DEVICE - There is provided a control method for radiation beam direction of wireless transmission device in a method for controlling radiation beam for a mobile station considerably moving around in the wireless transmission device comprising: updating and storing movement data of moving position and moving direction of the mobile station every time it moves by receiving sensor data in the mobile station; calculating a moving point to move by using the stored movement data of the mobile station by the wireless transmission device; determining a sector zone of radiation beam emission for the moving point to move; and controlling radiation beam of the mobile station by using the sector zone for the determined radiation beam emission in the wireless transmission device. | 07-16-2015 |