NL156258B - COMMUNICATION SYSTEM. - Google Patents

COMMUNICATION SYSTEM.

Info

Publication number
NL156258B
NL156258B NL7208329A NL7208329A NL156258B NL 156258 B NL156258 B NL 156258B NL 7208329 A NL7208329 A NL 7208329A NL 7208329 A NL7208329 A NL 7208329A NL 156258 B NL156258 B NL 156258B
Authority
NL
Netherlands
Prior art keywords
communication system
communication
Prior art date
Application number
NL7208329A
Other languages
Dutch (nl)
Other versions
NL7208329A (en
Original Assignee
Nira Int Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nira Int Bv filed Critical Nira Int Bv
Priority to NL7208329A priority Critical patent/NL156258B/en
Publication of NL7208329A publication Critical patent/NL7208329A/xx
Publication of NL156258B publication Critical patent/NL156258B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/007—Wireless interrogation
NL7208329A 1972-06-19 1972-06-19 COMMUNICATION SYSTEM. NL156258B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7208329A NL156258B (en) 1972-06-19 1972-06-19 COMMUNICATION SYSTEM.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7208329A NL156258B (en) 1972-06-19 1972-06-19 COMMUNICATION SYSTEM.

Publications (2)

Publication Number Publication Date
NL7208329A NL7208329A (en) 1973-12-21
NL156258B true NL156258B (en) 1978-03-15

Family

ID=19816303

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7208329A NL156258B (en) 1972-06-19 1972-06-19 COMMUNICATION SYSTEM.

Country Status (1)

Country Link
NL (1) NL156258B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386875A1 (en) * 1977-04-04 1978-11-03 Baillaud Pierre Automatic monitoring system for old or infirm persons - has central transceiver to monitor signals from transceivers carried by individuals who require supervision

Also Published As

Publication number Publication date
NL7208329A (en) 1973-12-21

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Legal Events

Date Code Title Description
TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: ERICSSON PAGING SYSTEMS B.V.

TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: ERICSSON RADIO SYSTEMS B.V.

NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: NIRA N V

V4 Lapsed because of reaching the maxim lifetime of a patent