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
Automated pizza preparation and vending system
Compact multi-functional scanning apparatus with retractable flatbed scanner
Dispensing of restricted goods
Flexible circuit routing
Interposer having molded low CTE dielectric
Estimating stack distances
Use of emerging non-volatile memory elements with flash memory
  Randomly Featured Patents
Fishing reel
Charging system and charger utilizing battery state information received from a battery unit to determine if the battery unit is in a normal state
Methods and apparatus for improving the typical running time of the bellman-ford algorithm
Method for operating an internal combustion engine and internal combustion engine for carrying out this method
Optics system for an interferometer that uses a measuring mirror, a reference mirror and a beam deflector
Laminated and sintered ceramic circuit board, and semiconductor package including the circuit board
Image forming system and process
Golf divot practice mat
Topical medicament and method of use
Rolling cone bit with shear cutting gage