Patent · US Expired

Communication apparatus

US5991371A · kind A · utility

3Cited by
24References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1997
Grant dateNov 23, 1999
Priority date
Expiry dateDec 1, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/32726
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A communication apparatus including (A) a data obtaining device which obtains a plurality of sets of own-call-number data each set of which identifies a corresponding one of a plurality of different own call numbers allotted to the communication apparatus according to a common numbering rule, each of the different own call numbers identifying the communication apparatus from other communication apparatuses to which other call numbers different from the own call numbers are allotted according to the common numbering rule; and (B) one or both of (b1) an information receiver which can receive information from the other communication apparatuses and (b2) an information transmitter which can transmit information to the other communication apparatuses, the information receiver and/or the information transmitter being operable in a plurality of different manners corresponding to the different own call numbers, respectively, such that the information receiver and/or transmitter operate in one of the different manners which corresponds to one of the different own call numbers identified by each set of own-call-number data obtained by the data obtaining device.

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