NO780319L - Anordning for tyveriovervaakning over telefonlinje - Google Patents

Anordning for tyveriovervaakning over telefonlinje

Info

Publication number
NO780319L
NO780319L NO780319A NO780319A NO780319L NO 780319 L NO780319 L NO 780319L NO 780319 A NO780319 A NO 780319A NO 780319 A NO780319 A NO 780319A NO 780319 L NO780319 L NO 780319L
Authority
NO
Norway
Prior art keywords
subscriber
high potential
terminal
sent
signal
Prior art date
Application number
NO780319A
Other languages
English (en)
Norwegian (no)
Inventor
Min-Shuing Lin
Original Assignee
Lin Min Shuing
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 Lin Min Shuing filed Critical Lin Min Shuing
Publication of NO780319L publication Critical patent/NO780319L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/007—Telephonic communication systems specially adapted for combination with other electrical systems with remote control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Selective Calling Equipment (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
NO780319A 1977-06-06 1978-01-27 Anordning for tyveriovervaakning over telefonlinje NO780319L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80359477A 1977-06-06 1977-06-06

Publications (1)

Publication Number Publication Date
NO780319L true NO780319L (no) 1978-12-07

Family

ID=25186954

Family Applications (1)

Application Number Title Priority Date Filing Date
NO780319A NO780319L (no) 1977-06-06 1978-01-27 Anordning for tyveriovervaakning over telefonlinje

Country Status (4)

Country Link
BR (1) BR7802632A (de)
DE (1) DE2824169A1 (de)
DK (1) DK48878A (de)
NO (1) NO780319L (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039981C2 (de) * 1980-10-23 1984-05-03 ANT Nachrichtentechnik GmbH, 7150 Backnang Wähleinrichtung mit Rufnummern- bzw. Kennungsspeicher
DE3275802D1 (en) * 1981-12-29 1987-04-23 Ass Intercommunale Electric Remote control device through the telephone network
FR2649520A1 (fr) * 1989-07-10 1991-01-11 Hallaire Bertrand Installation de protection de materiel electrique par neutralisation

Also Published As

Publication number Publication date
DK48878A (da) 1978-12-07
DE2824169A1 (de) 1978-12-14
BR7802632A (pt) 1979-02-13

Similar Documents

Publication Publication Date Title
US6266397B1 (en) Interfacing device to be used with a telephone system terminal for transmitting extended station information to a public safety answering point
US4955047A (en) Automated attendant with direct inward system access
US4841560A (en) Direct access test unit for central office
EP1826997B1 (de) Zentrale Überwachungsstation mit Verfahren zur Anrufverarbeitung aus Basis von Anrufquellenidentifikationsinformationen
JPH05504877A (ja) 呼インタセプタ
US6804329B2 (en) Methods and apparatus for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back
JPS61500094A (ja) 呼追跡サ−ビスを提供するための方法と装置
NO780319L (no) Anordning for tyveriovervaakning over telefonlinje
US3092689A (en) Automatic registrar
US3508011A (en) Arrangement enabling a telephone subscriber to block himself against terminating calls
US3327064A (en) Small hotel-motel private branch exchange
US3331926A (en) Automatic telephone system having restricted service means
US4872194A (en) Method for transmission of alarm signals utilizing an entrance telephone system
US3176078A (en) Automatic telecommunication switching systems
US3137770A (en) Telephone call holding arrangement
GB588563A (en) Improvements in or relating to telephone systems
US5065424A (en) Apparatus for servicing telephones from a remote location
KR950004414B1 (ko) 정보통신장치
JP2875371B2 (ja) ダイヤルイン内線選択番号切替方式
EP1283635A1 (de) Verfahren und System zur Dezentralisierung der Vermittlungsplätze einer Fernsprechvermittlungsanlage und zur ferngesteuerten Bearbeitung von zu einer Ortvermittlungsstelle adressierten Anrufen
JP3334529B2 (ja) ボタン電話装置
JPH04246928A (ja) ページャー呼出し方式
EP0182780B1 (de) Türfernsprecheinrichtung und übertragungsverfahren für warnungssignale
US2395798A (en) Traffic control system
JP3338242B2 (ja) 交換システム