IT1148596B - IMPROVEMENT IN INTERCUMUNICATION SYSTEMS, IN PARTICULAR FOR THE LOCALIZATION OF PEOPLE IN OFFICES, FACTORIES AND SIMILAR - Google Patents

IMPROVEMENT IN INTERCUMUNICATION SYSTEMS, IN PARTICULAR FOR THE LOCALIZATION OF PEOPLE IN OFFICES, FACTORIES AND SIMILAR

Info

Publication number
IT1148596B
IT1148596B IT48624/82A IT4862482A IT1148596B IT 1148596 B IT1148596 B IT 1148596B IT 48624/82 A IT48624/82 A IT 48624/82A IT 4862482 A IT4862482 A IT 4862482A IT 1148596 B IT1148596 B IT 1148596B
Authority
IT
Italy
Prior art keywords
intercumunication
factories
offices
localization
people
Prior art date
Application number
IT48624/82A
Other languages
Italian (it)
Other versions
IT8248624A0 (en
Inventor
Ulf Cederqvist
Taisto Alhonen
Original Assignee
Sahkoliikkeiden Oy
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 Sahkoliikkeiden Oy filed Critical Sahkoliikkeiden Oy
Publication of IT8248624A0 publication Critical patent/IT8248624A0/en
Application granted granted Critical
Publication of IT1148596B publication Critical patent/IT1148596B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Telephonic Communication Services (AREA)
IT48624/82A 1981-06-12 1982-06-11 IMPROVEMENT IN INTERCUMUNICATION SYSTEMS, IN PARTICULAR FOR THE LOCALIZATION OF PEOPLE IN OFFICES, FACTORIES AND SIMILAR IT1148596B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI811839A FI66696C (en) 1981-06-12 1981-06-12 FOERFARANDE FOER FOERVERKLIGANDE AV EN TILL EN PERSON BUNDEN ANROPNINGSPROCESS

Publications (2)

Publication Number Publication Date
IT8248624A0 IT8248624A0 (en) 1982-06-11
IT1148596B true IT1148596B (en) 1986-12-03

Family

ID=8514495

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8235875U IT8235875V0 (en) 1981-06-12 1982-06-11 IMPROVEMENT IN INTERCOMMUNICATION SYSTEMS, IN PARTICULAR FOR THE LOCALIZATION OF PEOPLE IN OFFICES, FACTORIES AND SIMILAR
IT48624/82A IT1148596B (en) 1981-06-12 1982-06-11 IMPROVEMENT IN INTERCUMUNICATION SYSTEMS, IN PARTICULAR FOR THE LOCALIZATION OF PEOPLE IN OFFICES, FACTORIES AND SIMILAR

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT8235875U IT8235875V0 (en) 1981-06-12 1982-06-11 IMPROVEMENT IN INTERCOMMUNICATION SYSTEMS, IN PARTICULAR FOR THE LOCALIZATION OF PEOPLE IN OFFICES, FACTORIES AND SIMILAR

Country Status (11)

Country Link
EP (1) EP0093718A1 (en)
JP (1) JPS58500924A (en)
DE (1) DE3248806C2 (en)
DK (1) DK37183A (en)
FI (1) FI66696C (en)
GB (1) GB2118804B (en)
IT (2) IT8235875V0 (en)
NL (1) NL8220201A (en)
NO (1) NO830219L (en)
SE (1) SE430439B (en)
WO (1) WO1982004491A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649385A (en) * 1982-08-13 1987-03-10 Teloc R & D Ltd. Electronic locating system for persons receiving telephone calls
JPS60143037A (en) * 1983-12-29 1985-07-29 Nippon Telegr & Teleph Corp <Ntt> Mobile radio communication system
US4752951A (en) * 1985-12-23 1988-06-21 Konneker Lloyd K Method of providing location dependent person locator service
GB2222503A (en) * 1988-09-06 1990-03-07 Callscan Limited Locating apparatus
DE4017420C1 (en) * 1990-05-30 1991-11-07 Mico-Data Elektronische Steuereinrichtungen Gmbh, 7770 Ueberlingen, De
GB2366131A (en) * 2000-01-28 2002-02-27 Mitel Telecom Ltd A short reach communication network

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696384A (en) * 1971-07-08 1972-10-03 Recognition Devices Ultrasonic tracking and locating system
BE791039A (en) * 1971-11-08 1973-05-07 Lewis Security Syst Ltd SECURITY SYSTEMS
SE394915B (en) * 1972-11-29 1977-07-18 Recognition Devices ELECTRONIC SEARCH AND LOCATION FACILITY
DE2505728A1 (en) * 1975-02-12 1976-08-26 Ernst Rudi Freyberg Checking device for dialled numbers and letters - is by a dial switch or by key dialling in telephone and telex traffic
JPS584289Y2 (en) * 1978-04-18 1983-01-25 日本電気株式会社 Radio selective calling receiver with display device

Also Published As

Publication number Publication date
SE8303439D0 (en) 1983-06-15
DE3248806T1 (en) 1983-12-01
DK37183D0 (en) 1983-01-31
JPS58500924A (en) 1983-06-02
DE3248806C2 (en) 1985-12-19
FI811839A0 (en) 1981-06-12
WO1982004491A1 (en) 1982-12-23
GB2118804A (en) 1983-11-02
GB8314028D0 (en) 1983-06-29
DK37183A (en) 1983-01-31
EP0093718A1 (en) 1983-11-16
FI66696B (en) 1984-07-31
SE430439B (en) 1983-11-14
SE8303439L (en) 1983-06-15
IT8248624A0 (en) 1982-06-11
FI66696C (en) 1984-11-12
NO830219L (en) 1983-01-24
NL8220201A (en) 1983-09-01
GB2118804B (en) 1985-08-29
IT8235875V0 (en) 1982-06-11

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