Resources Contact Us Home
Location marker

Image Number 10 for United States Patent #5400008.

A location marker includes a casing, a switch assembly and a lens enclosing a flashable strobe lamp. The location marker is powered by batteries and an electronic circuit that converts the battery voltage to a trigger voltage for illumination of the strobe lamp. The switch assembly is non-intrusive and maintains water tight integrity inside the casing. The switch assembly futher includes a magnetically operable switch for selectively connecting and disconnecting two pairs of terminals. An R.F. transmitting location marker is also employed using a transmitter circuit and an antenna.

  Recently Added Patents
Field emission cathode device and field emission display using the same
System and method for receiving MBMS broadcasting service
Antitumoral compounds
Method and apparatus for managing communication services for user endpoint devices
Rose plant named `ESM R057`
System and method for seamlessly increasing download throughput
3,7-diamino-10H-phenothiazine salts and their use
  Randomly Featured Patents
Nano line structures in microelectronic devices
Golf ball
Overcurrent protective device for power device
Apparatus and method for removal of back-plated developer
Electronic patient monitor and white noise source
Analytical test devices for competition assay for drugs of non-protein antigens using immunochromatographic techniques
Fuel injection control system for internal combustion engine
Rifle pack with shoulder straps
Cabinet for electronic apparatus
Drive mechanism for articulation of a surgical instrument