DE3882182D1 - Waehl-nebenstellenanlagesystem mit schnurlosen fernsprechern. - Google Patents

Waehl-nebenstellenanlagesystem mit schnurlosen fernsprechern.

Info

Publication number
DE3882182D1
DE3882182D1 DE8888201771T DE3882182T DE3882182D1 DE 3882182 D1 DE3882182 D1 DE 3882182D1 DE 8888201771 T DE8888201771 T DE 8888201771T DE 3882182 T DE3882182 T DE 3882182T DE 3882182 D1 DE3882182 D1 DE 3882182D1
Authority
DE
Germany
Prior art keywords
extension system
cordless telephones
electric extension
electric
cordless
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.)
Expired - Fee Related
Application number
DE8888201771T
Other languages
English (en)
Other versions
DE3882182T2 (de
Inventor
De Mortel Petrus Paulus Van
Loon Johannes Cornelus Fra Van
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3882182D1 publication Critical patent/DE3882182D1/de
Publication of DE3882182T2 publication Critical patent/DE3882182T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/727—Identification code transfer arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H04M1/72505—Radio link set-up procedures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE88201771T 1987-08-26 1988-08-18 Wähl-Nebenstellenanlagesystem mit schnurlosen Fernsprechern. Expired - Fee Related DE3882182T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8720089A GB2209109A (en) 1987-08-26 1987-08-26 Pabx cordless telephone system

Publications (2)

Publication Number Publication Date
DE3882182D1 true DE3882182D1 (de) 1993-08-12
DE3882182T2 DE3882182T2 (de) 1994-01-27

Family

ID=10622817

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88201771T Expired - Fee Related DE3882182T2 (de) 1987-08-26 1988-08-18 Wähl-Nebenstellenanlagesystem mit schnurlosen Fernsprechern.

Country Status (7)

Country Link
US (1) US4905272A (de)
EP (1) EP0304998B1 (de)
JP (1) JPS6471331A (de)
KR (1) KR970002755B1 (de)
DE (1) DE3882182T2 (de)
GB (1) GB2209109A (de)
HK (1) HK140294A (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3918697C2 (de) * 1989-06-08 1996-05-30 Philips Patentverwaltung Nachrichtentechnische Geräte, Funkübertragungssystem und Funkstation mit verbessertem Kennungsaustausch
US5448764A (en) * 1989-06-08 1995-09-05 U.S. Philips Corporation Cordless telephone set with secure communication protocol
ATE110218T1 (de) * 1989-12-22 1994-09-15 Siemens Ag Oesterreich Funkkommunikationsnetz auf basis digitaler ortsvermittlungsstellen.
GB9013605D0 (en) * 1990-06-18 1990-08-08 Stc Plc Mobile communications
US5371782A (en) * 1991-05-02 1994-12-06 At&T Corp. Method and apparatus for selecting a preferred service provider during a call setup in a public cordless telephone system
US5307370A (en) * 1991-06-03 1994-04-26 Motorola, Inc. Secure cordless radio-telephone
DE4138886C1 (de) * 1991-11-27 1993-04-08 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De
US5392330A (en) * 1992-01-08 1995-02-21 Thomson Consumer Electronics, Inc. Offset down conversion for a two-handset cordless telephone system
CA2085722C (en) * 1992-01-08 1997-02-25 Samuel Rocco Paniccia Jr. Use of a vcxo in the base unit of a two-handset cordless telephone system
CA2082244C (en) * 1992-01-08 1996-09-03 Samuel Rocco Paniccia Jr. Two-handset cordless telephone system
DE4207775A1 (de) * 1992-03-11 1993-09-16 Philips Patentverwaltung Aus schnurlosen telefonen gebildete nebenstellenanlage
US5408419A (en) * 1992-04-14 1995-04-18 Telefonaktiebolaget L M Ericsson Cellular radiotelephone system signalling protocol
US5450499A (en) * 1992-11-25 1995-09-12 Magnetic Resonance Equipment Corporation Audio speaker for use in an external magnetic field
DE4324573C1 (de) * 1993-07-22 1994-10-06 Grundig Emv Verfahren zum Ermöglichen einer akustischen Überwachung beim schnurlosen Telefon
US5697062A (en) * 1994-02-04 1997-12-09 Advanced Micro Devices Method and apparatus for improved link establishment and monitoring in a communications system
EP1257134A3 (de) * 1994-02-24 2003-02-12 Gte Mobile Communications Service Corporation Zellulares Funktelefonsystem mit fernprogrammierbaren Mobilstationen
US5812951A (en) * 1994-11-23 1998-09-22 Hughes Electronics Corporation Wireless personal communication system
EP0910915B1 (de) * 1996-07-11 2003-11-12 BRITISH TELECOMMUNICATIONS public limited company Schnurloser telefonapparat mit kennung der einzelnen hörer
DE69725578T2 (de) 1996-07-11 2004-07-29 British Telecommunications P.L.C. Telefonvorrichtung
DE69724439T2 (de) 1997-12-04 2004-06-17 Alcatel Andockstation für Mobilfunktelefone
US6832082B1 (en) 1997-12-12 2004-12-14 Thomson Licensing S.A. Initialization of handsets in a multi-line wireless phone system for secure communications
AU8924598A (en) * 1997-12-12 1999-07-05 Thomson Consumer Electronics, Inc Initialization of handsets in a multi-line wireless phone system for secure communications
USD419160S (en) * 1998-05-14 2000-01-18 Northrop Grumman Corporation Personal communications unit docking station
US6169730B1 (en) 1998-05-15 2001-01-02 Northrop Grumman Corporation Wireless communications protocol
US6304559B1 (en) 1998-05-15 2001-10-16 Northrop Grumman Corporation Wireless communications protocol
USD421002S (en) * 1998-05-15 2000-02-22 Northrop Grumman Corporation Personal communications unit handset
US6141426A (en) * 1998-05-15 2000-10-31 Northrop Grumman Corporation Voice operated switch for use in high noise environments
US6041243A (en) * 1998-05-15 2000-03-21 Northrop Grumman Corporation Personal communications unit
US6223062B1 (en) 1998-05-15 2001-04-24 Northrop Grumann Corporation Communications interface adapter
US6243573B1 (en) 1998-05-15 2001-06-05 Northrop Grumman Corporation Personal communications system
DE10112462B4 (de) * 1999-08-27 2006-08-31 Helmut Schaepe Verfahren und erweiterte Schaltungsanordnung für die Ergänzungsschaltung zum Anschließen von 2 Telefone an einer Telefonleitung mit eigener Ruf-Nr. auch mit Verbindung untereinander
US7187947B1 (en) 2000-03-28 2007-03-06 Affinity Labs, Llc System and method for communicating selected information to an electronic device
WO2003003235A1 (en) 2001-06-27 2003-01-09 4 Media, Inc. Improved media delivery platform
EP2123007A1 (de) * 2007-03-16 2009-11-25 THOMSON Licensing Rufabhörung bei einer basisstation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3315625A1 (de) * 1983-04-29 1984-10-31 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum uebertragen von digitalen rufkennzeichen
JPS619039A (ja) * 1984-06-25 1986-01-16 Sony Corp マルチチヤンネルアクセス無線方式
GB2166622A (en) * 1984-09-14 1986-05-08 British Telecomm Cordless telephone system
JPS61212930A (ja) * 1985-03-19 1986-09-20 Oki Electric Ind Co Ltd 広域移動通信システムにおける移動機
US4736404A (en) * 1985-03-29 1988-04-05 American Telephone And Telegraph Company, At&T Technologies Inc. Security arrangement for cordless telephone system
JPS6243230A (ja) * 1985-08-20 1987-02-25 Nec Corp コ−ドレス電話器
US4700375A (en) * 1986-10-10 1987-10-13 Motorola, Inc. Battery charging, reset, and data transfer system

Also Published As

Publication number Publication date
DE3882182T2 (de) 1994-01-27
GB2209109A (en) 1989-04-26
EP0304998A2 (de) 1989-03-01
EP0304998A3 (en) 1989-07-26
JPS6471331A (en) 1989-03-16
KR970002755B1 (ko) 1997-03-10
EP0304998B1 (de) 1993-07-07
HK140294A (en) 1994-12-16
KR890004535A (ko) 1989-04-22
GB8720089D0 (en) 1987-09-30
US4905272A (en) 1990-02-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee