H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 1/08 (2006.01) H01Q 1/24 (2006.01) H04B 1/38 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2219760
When an operation such as opening or closing of a front flip cover or a key operation of communication-start or communication-end occurs, a controller acquires information for extraction or retraction of an antenna. Basing on the above information, the controller controls a motor driving by intermittently supplying motor driving signal by which the motor can rotate clockwise or counterclockwise during a preset time necessitated for fully extracting and retracting an antenna. While motor driving, if a blocking force applied to an antenna, the controller repeatedly stops supplying of the driving signals to the motor for a predetermined interval and then resumes supplying the signals. A gear unit is tightly coupled in a body with the motor, receives a rotating force from the motor shaft, and extracts and retracts an antenna. In addition, there is further provided a fixing element for fixing the motor and the gear unit to an antenna housing, which is able to absorb external impact transferred to the motor and the gear unit through an antenna and to absorb a vibration of the motor. When a front flip cover is opened or a communication-start key is pushed by a user to use a wireless telephone, the antenna is automatically extracted from the antenna housing, while when the front flip cover is closed or a communication-end key is pushed, the antenna is automatically retracted into the antenna housing.
Lee Han-Sang
Riches Mckenzie & Herbert Llp
Samsung Electronics Co. Ltd.
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