Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Ultrasonic rangefinder










Image Number 8 for United States Patent #4739860.

An ultrasonic rangefinder capable of detecting a distance between a vehicle and an object with high accuracy is shown. The measurements for microphones for transmitting and receiving ultrasonic waves are chosen so that detour waves are restricted.








 
 
  Recently Added Patents
Fuel-based injection control
Image processing apparatus and image processing method
Network based technique for obtaining operator identifier for mobile devices
Sock
Identification of websites that break out of frames
Pattern forming method using printing device and method of manufacturing liquid crystal display device using the same
Automated difference recognition between speaking sounds and music
  Randomly Featured Patents
Light guide apparatus formed from strip light guides
Character erasable printing apparatus
Subterranean well tool including a locking seal healing system
Handheld computer having moveable segments that are interactive with an integrated display
Connector assembly
Unhandled operation handling in multiple instruction set systems
Automobile body work cover
Image processor system having multifunction look-up table units
Magnetic recording apparatus
Apparatus for transporting cable lengths or sections