Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
GPS reception system










Image Number 4 for United States Patent #6563458.

A GPS reception system is provided in which, when sufficient reception level for positioning cannot be obtained only by a built-in antenna, a reception antenna is switched from the built-in antenna to an external antenna.








 
 
  Recently Added Patents
Cooler
Systems and methods for processing telephone calls
Reception system including a mechanism countering pulsed interference
Power conversion device for electric vehicle
Methods of isolating bipotent hepatic progenitor cells
Backlight assembly, method for driving backlight assembly, and liquid crystal display having the same
Method for producing lactamates by way of thin film evaporation
  Randomly Featured Patents
Control circuit for shutting off the electrical power to a liquid well pump
Elevator car
Floating stretcher designed, in particular, for the recovery of injured persons at sea
Seating furniture
Active reset forward converter employing synchronous rectifiers
Vacuum cleaner hose end fitting
Conveying system for conveying substantially cylindrical objects such as nuclear fuel pellets
Combined body and foot massager
Electronic device and assembly structure thereof
Footwear upper portion