Resources Contact Us Home
Collapsible antenna

Image Number 3 for United States Patent #6075489.

A retractable antenna is provided for a wireless communication device such as a wireless modem, two-way radio, cellular telephone, etc., wherein the extended length of the antenna is greater than the height of the telephone housing. The antenna includes components which are slidably mounted with respect to one another so that the antenna may be collapsed and retracted within the telephone housing.

  Recently Added Patents
Radio communication system, transmission apparatus, reception apparatus, and radio communication method in radio communication
Apparatus and methods for color displays
Method for radiation sterilization of medical devices
Wireless communication method, wireless communication system, and mode switching method
In-vehicle communication system and method of operation
Apparatus and method for efficient transmission of acknowledgements
Display for displaying three-dimensional images and method for displaying three-dimensional images
  Randomly Featured Patents
Electrochemical recovery of copper from alloy scrap
Polyemitter structure with improved interface control
Hydraulic hand jack with needle release valve
Process and plant for vulcanizing a continuous length of curable material
Reset lockout for circuit interrupting device
Method and apparatus for an auxiliary mass damper in each actuator arm notch of a hard disk drive
Device for holding a container adjacent to a vehicular vent
Golf ball dimples
Process for making a low-fat nut spread composition
Leaf gage and wafer