Resources Contact Us Home
Frequency hopping in digital cellular networks

Image Number 2 for United States Patent #5430713.

A circuit is for providing frequency hopping in a Time Division Multiple Access (TDMA) system. A microprocessor determines the frequency to be transmitted in a particular broadcast frame. A dual port random access member (RAM) provides an interface between the microprocessor and a time division multiplex bus so that the time slots are mapped to addresses in the memory. A plurality of transceivers coupled to the bus transmits and receives at different designated frequencies, the transceivers being chosen for particular users during a particular broadcast frame based on the location in the memory chosen by the microprocessor.

  Recently Added Patents
Orthopedic implant with locking element
Transport container, in particular for storing securities
Window for aircraft with microstructure as a sunscreen
Plastic container having reinforced gripping structure
Electronic device that includes ranked control units that are connected together and control method thereof
Economic oxidation and fatigue resistant metallic coating
System and method to manage set history for simple network management protocol
  Randomly Featured Patents
Process for demineralizing a sugar-containing solution
Pipe fitting locator apparatus
Video camera
Playground climber and slide
Record media written with data structure for recognizing a user and method for recognizing a user
Optimized local feature extraction for automatic speech recognition
Teat rubber and milking cup with a ventilation nozzle
Multi-purpose carry bag and method therefor
Optical scanner
Methods of forming backside connections on a wafer stack