Resources Contact Us Home
Wireless prepaid telephone system with extended capability

Image Number 8 for United States Patent #6754481.

A telecommunication system incorporates individual station instruments simplified by wireless operation, voice dialing, prepaid accounting and out-call operation, all enabled by cooperative system operation including supporting central equipment. Wireless operation of the central equipment involves a multiple port wireless platform along with other units for interfacing a multitude of mobile station instruments simultaneously for interactive audio communication to, regulate control, monitor and record operations of the instruments, and bridge communication with selected remote terminals through the public switched telephone network. Message capability, emergency abort to an operator station and security features supplement the basic system.

  Recently Added Patents
Lighting control device and lighting control method
Method for manufacturing a magnet coil configuration using a slit band-shaped conductor
Electrifying roller
Generating package profiles in software package repositories using selective subsets of packages
Method and device for surface scanning of a patient
Method and a channel estimating arrangement for performing channel estimation
  Randomly Featured Patents
Treatment of amyloidogenic diseases
Method and apparatus for manipulator welding apparatus with improved weld path definition
Speedometer for mounting on a cycle
Take-apart fitting for multi-tube heat exchanger
Method and system for icosaborane implantation
Housing for flexible fuel sensor
Method of scrolling through a document
Method and system for molding chocolate utilizing an air knife and products made
Read/write data interface and method of operation