Patent · US Expired

Equipment for wireless telephone transmission

US4682350A · kind A · utility

9Cited by
6References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1986
Grant dateJul 21, 1987
Priority date
Expiry dateApr 10, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/733
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A method of connecting audio information between a base telephone unit which is stationary and a portable unit associated therewith, the method involving dividing the communication time for audio information into first and second periods. During each first period, transmitting audio information from one of the units to the other over a radio channel and during each second period transmitting in reverse direction. The duration of the periods is a function of which transmitter is active at a given time.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.