EP 0006495 B1 19840314 - RADIO NETWORK COMPRISING PORTABLE TRANSCEIVERS
Title (en)
RADIO NETWORK COMPRISING PORTABLE TRANSCEIVERS
Publication
Application
Priority
DE 2828755 A 19780630
Abstract (en)
[origin: EP0006495A2] 1. A radio network having portable transceivers which include an identification signal generator, for security personnel, and having a radio centre which is common to all radio sets and to which the identification signals produced in the identification signal generators of the radio sets are transmitted and which acknowledges the identification signal received, each identification signal comprising an identification code characteristic of the relevant radio set and an information code characteristic of the location of the identification signal transmission, and a coding device which is brought into engagement with the identification signal generator of the radio set at the location of the identification signal transmission for the purpose of forming the information code, characterised in that the identification signal generator is accommodated in a hand-held part which is spatially separated from the radio set and which is connected to the radio set by means of a cable.
IPC 1-7
IPC 8 full level
G07C 1/20 (2006.01); G08B 25/00 (2006.01); G08B 25/10 (2006.01)
CPC (source: EP)
G07C 1/20 (2013.01); G08B 25/10 (2013.01)
Designated contracting state (EPC)
AT DE FR IT NL
DOCDB simple family (publication)
EP 0006495 A2 19800109; EP 0006495 A3 19810114; EP 0006495 B1 19840314; AT E6705 T1 19840315; DE 2828755 A1 19800103; DE 2966780 D1 19840419
DOCDB simple family (application)
EP 79101797 A 19790607; AT 79101797 T 19790607; DE 2828755 A 19780630; DE 2966780 T 19790607