Patent · US Expired

Video distribution control system

US4484218A · kind A · utility

236Cited by
8References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 1981
Grant dateNov 20, 1984
Priority date
Expiry dateApr 29, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2007/17372
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A subscriber distribution terminal is connected to the transmission medium for serving a group of subscribers. Within the distribution control terminal is located a plurality of television converters. A local oscillator in each of the converters is controlled by a microprocessor, which establishes the channel selected from the multi-channel television signal received from the transmission medium. The output of each converter is connected to a subscriber drop which is connected to the subscribers television set.

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