Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Positioning satellite system for measuring position of signal source










Image Number 4 for United States Patent #6680696.

A satellite system includes a signal source located on a surface of the earth, a surface of water, or in air; an orbiting satellite for measuring a position of the signal source, having a GPS receiver which receives a GPS signal from a GPS satellite system to measure the position of the orbiting satellite, a frequency measuring device for receiving the radio wave signal emitted from the signal source to measure the frequency thereof, a memory for storing frequency data and position data, and a transmitting device for transmitting the data stored in the memory toward the earth; and a ground station, having a signal receiving device for receiving the data transmitted from the orbiting satellite, including a computer for calculating the position of the signal source based on the data received by the signal receiving device.








 
 
  Recently Added Patents
Novelty headband
System and method for providing definitions
Software execution management apparatus, method, and computer-readable medium thereof
Rotating device
Method and apparatus for providing spin-home function for mobile communication terminal
Communication apparatus and communication system
Spin transition material
  Randomly Featured Patents
Network element management method, apparatus, and network management system
Lock apparatus for the base portion of a blow mold
Subsea valve
Throwaway type gas lighter
Pattern recognition system
Ink jet recording head in which an actuator is offset from a center of an effective displacement region of a vibration plate
Reactive liquid crystal compounds
17-substituted steroids useful in cancer treatment
Papermakers fabric
Ice particle forming and blasting device