DE1817487B2 - Personenrufsystem - Google Patents

Personenrufsystem

Info

Publication number
DE1817487B2
DE1817487B2 DE1817487A DE1817487A DE1817487B2 DE 1817487 B2 DE1817487 B2 DE 1817487B2 DE 1817487 A DE1817487 A DE 1817487A DE 1817487 A DE1817487 A DE 1817487A DE 1817487 B2 DE1817487 B2 DE 1817487B2
Authority
DE
Germany
Prior art keywords
call
transmitter
signals
paging
telephone
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE1817487A
Other languages
German (de)
English (en)
Other versions
DE1817487A1 (de
Inventor
Edward G.F. Roxborough Baker
David J. Baie D'urfe Horton
Claude St. Bruno Lemieux
Derek St. Laurent Leyburn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bell Canada Inc
Original Assignee
Bell Canada Inc
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 Bell Canada Inc filed Critical Bell Canada Inc
Publication of DE1817487A1 publication Critical patent/DE1817487A1/de
Publication of DE1817487B2 publication Critical patent/DE1817487B2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/022—One-way selective calling networks, e.g. wide area paging

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
DE1817487A 1968-07-04 1968-12-30 Personenrufsystem Withdrawn DE1817487B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA876266A CA876266A (en) 1968-07-04 1968-07-04 Telephone paging system and method

Publications (2)

Publication Number Publication Date
DE1817487A1 DE1817487A1 (de) 1970-02-12
DE1817487B2 true DE1817487B2 (de) 1975-08-21

Family

ID=4084351

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1817487A Withdrawn DE1817487B2 (de) 1968-07-04 1968-12-30 Personenrufsystem

Country Status (14)

Country Link
US (1) US3575558A (https=)
AT (1) AT311427B (https=)
BE (1) BE730238A (https=)
CA (1) CA876266A (https=)
CH (1) CH512166A (https=)
DE (1) DE1817487B2 (https=)
ES (1) ES367472A1 (https=)
FR (1) FR1604686A (https=)
GB (1) GB1210590A (https=)
HU (1) HU162540B (https=)
NL (1) NL145429B (https=)
NO (1) NO131319C (https=)
SE (1) SE359716B (https=)
SU (1) SU432737A3 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950387A1 (de) * 1979-12-14 1981-06-19 Siemens AG, 1000 Berlin und 8000 München Vermittlungssystem mit personensuchfunktion

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836726A (en) * 1971-10-25 1974-09-17 Martin Marietta Corp Data transmission method and apparatus
US4072638A (en) * 1972-05-15 1978-02-07 Solvay & Cie Halogenated polyether polyols and polyurethane foams produced therefrom
US3818145A (en) * 1972-07-19 1974-06-18 United Eng Corp Radio paging system
US3902022A (en) * 1973-09-19 1975-08-26 Motorola Inc Multiplex system for paging terminals and method
DE2709855A1 (de) * 1977-03-07 1978-09-14 Siemens Ag Fernsprech- und datennetz fuer mobile teilnehmer
US4178475A (en) * 1978-03-09 1979-12-11 General Communications Co., Inc. Method and control apparatus for radio paging systems
US4178476A (en) * 1978-05-26 1979-12-11 Frost Edward G Automatic nationwide paging system
DE2938808A1 (de) * 1979-09-25 1981-04-09 Siemens AG, 1000 Berlin und 8000 München System zum aufbau von fernsprechverbindungen, insbesondere nationale grenzen ueberschreitende fernsprechverbindungen, zwischen stationaeren oder mobilen fernsprechstationen zu mobilen fernsprechstationen, z.b. funkfernsprechstationen
NZ197059A (en) * 1980-05-23 1983-11-30 Post Office Nationwide radiopaging:selective zone transmissions
KR880700603A (ko) * 1985-08-08 1988-03-15 원본미기재 전국 무선 페이징 시스템의 주사용 수신기
DE3687267T2 (de) * 1985-08-08 1993-04-15 Metrocast Landesweites funkrufsystem.
GB8619875D0 (en) * 1986-08-15 1986-09-24 British Telecomm Communications system
US4723264A (en) * 1987-06-19 1988-02-02 Motorola, Inc. Signalling method for establishing trunked communication
USH610H (en) 1987-08-17 1989-03-07 American Telephone And Telegraph Company Cellular pager
US4878051A (en) * 1988-02-22 1989-10-31 Telefind Corp. Paging system with commands for changing functionality of a paging receiver
US4870410A (en) * 1988-02-22 1989-09-26 Telefind Corp. Paging system local switch
US4866431A (en) * 1988-02-22 1989-09-12 Telefind Corp. Paging system hub switch
US4876538A (en) * 1988-02-22 1989-10-24 Telefind Corp. Paging system sublocal switch
US4868860A (en) * 1988-02-22 1989-09-19 Telefind Corp. Paging system for entering pages by local telephone call
US4875039A (en) * 1988-02-22 1989-10-17 Telefind Corp. Paging system with transmission protocol compatible with analog and digital transmitters
US4868562A (en) * 1988-02-22 1989-09-19 Telefind Corp. Paging system
US4868558A (en) * 1988-02-22 1989-09-19 Telefind Corp. Paging system lata switch
US4993059A (en) * 1989-02-08 1991-02-12 Cableguard, Inc. Alarm system utilizing wireless communication path
JP3222485B2 (ja) * 1990-06-20 2001-10-29 エニー株式会社 携帯用無線送受信方法
US5247700A (en) * 1990-11-16 1993-09-21 Universal Cellular, Inc. Cellular telephone with pager
DE69225925T2 (de) * 1991-04-17 1998-10-22 Ericsson Telefon Ab L M Zellulares Kommunikationssystem mit integrierten Funkrufsystem
US5315636A (en) * 1991-06-28 1994-05-24 Network Access Corporation Personal telecommunications system
US5710978A (en) * 1993-06-29 1998-01-20 Swift Computers, Inc. Logging recorder system for trunking radio
US5625890A (en) * 1993-06-29 1997-04-29 Swift Computers, Inc. Logging recorder system for trunking radio
WO1995007595A1 (en) 1993-09-08 1995-03-16 Pacific Communication Sciences, Inc. A portable communications and data terminal having multiple modes of operation
US5544222A (en) * 1993-11-12 1996-08-06 Pacific Communication Sciences, Inc. Cellular digtial packet data mobile data base station
US6329902B1 (en) 1994-04-20 2001-12-11 Cellco Partnership Wide area two-way paging using a mesh network with paging receivers
US6370135B1 (en) 1995-06-07 2002-04-09 Cirrus Logic, Inc. Continuous CDPD base station and method of facilitating efficient data transfer
US6334062B1 (en) 1995-06-07 2001-12-25 Cirrus Logic, Inc. Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages
KR0168786B1 (ko) * 1995-07-21 1999-02-01 김광호 무선 호출 시스템의 광역호 처리방법
US5737706A (en) * 1995-08-03 1998-04-07 Bell Atlantic Network Services, Inc. Power system supporting CDPD operation
GB0004178D0 (en) * 2000-02-22 2000-04-12 Nokia Networks Oy Integrity check in a communication system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2259316A (en) * 1939-02-23 1941-10-14 Westinghouse Electric & Mfg Co Highway radio system
US3041402A (en) * 1958-07-03 1962-06-26 Automatic Elect Lab Automatic mobile telephone system
US2985719A (en) * 1959-11-12 1961-05-23 Gen Electric Automatic direct paging system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950387A1 (de) * 1979-12-14 1981-06-19 Siemens AG, 1000 Berlin und 8000 München Vermittlungssystem mit personensuchfunktion

Also Published As

Publication number Publication date
HU162540B (https=) 1973-03-28
NL145429B (nl) 1975-03-17
BE730238A (https=) 1969-09-01
CA876266A (en) 1971-07-20
NL6902418A (https=) 1970-01-06
GB1210590A (en) 1970-10-28
SE359716B (https=) 1973-09-03
NO131319B (https=) 1975-01-27
US3575558A (en) 1971-04-20
ES367472A1 (es) 1971-06-16
NO131319C (https=) 1975-05-07
SU432737A3 (ru) 1974-06-15
FR1604686A (https=) 1972-01-03
CH512166A (de) 1971-08-31
AT311427B (de) 1973-11-12
DE1817487A1 (de) 1970-02-12

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Legal Events

Date Code Title Description
BHJ Nonpayment of the annual fee