Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Traffic control sign










Image Number 3 for United States Patent #6956502.

A traffic control sign is provided which automatically unfolds and displays the message STOP and displays flashing messages SIGNAL OUT and 4 WAY upon power failure to traditional traffic lights. The traffic control sign includes a pair of sign plates hingedly attached by a pair of hinges. An enfolding assembly is utilized to rotatably enfold and electromagnetically hold the pair of sign plates to a folded position upon resumption of power. The traffic control sign is adapted to be mounted to existing cable or a circular pipe component used for related traditional traffic signal fixtures.








 
 
  Recently Added Patents
Electrophoresis display having touch screen and method for driving the touch screen
Photoelectric conversion device
Inflatable workshop
Lighting device with device for regulating the illumination according to the luminance of the illumination field and corresponding use
Off-loading of processing from a processor blade to storage blades based on processing activity, availability of cache, and other status indicators
Organic electroluminescent element
Gate timing for short servo wedge in disk memory systems
  Randomly Featured Patents
Data processing apparatus, control method therefor, and program
Metal complexes of hydroxyquinoline and polymeric porous granules
Apparatus and method for locking a tire vulcanizing press
Process and system for the compression of the flow rate of data transmitted between at least a television transmitter and a television receiver
Manufacturing process for paper
Method of testing a power supply controller and structure therefor
Deicing salt composition and method for preparing the same
Method and computer program product for an online monitoring search engine
System for storage and retrieval of diverse types of information obtained from different media sources which includes video, audio, and text transcriptions
N-substituted amides