DE69233034D1 - Verfahren und system für telefonnebenstellen mit mehrfachzugang - Google Patents

Verfahren und system für telefonnebenstellen mit mehrfachzugang

Info

Publication number
DE69233034D1
DE69233034D1 DE69233034T DE69233034T DE69233034D1 DE 69233034 D1 DE69233034 D1 DE 69233034D1 DE 69233034 T DE69233034 T DE 69233034T DE 69233034 T DE69233034 T DE 69233034T DE 69233034 D1 DE69233034 D1 DE 69233034D1
Authority
DE
Germany
Prior art keywords
multiple access
telephone extensions
extensions
telephone
access
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 - Lifetime
Application number
DE69233034T
Other languages
English (en)
Inventor
B Bartholomew
Ray Ivie
K Schurig
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.)
Phonex Corp
Original Assignee
Phonex Corp
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 Phonex Corp filed Critical Phonex Corp
Application granted granted Critical
Publication of DE69233034D1 publication Critical patent/DE69233034D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension 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
    • H04M1/733—Cordless telephones with a plurality of base stations connected to a plurality of lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5408—Methods of transmitting or receiving signals via power distribution lines using protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5437—Wired telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5441—Wireless systems or telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/545—Audio/video application, e.g. interphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5491—Systems for power line communications using filtering and bypassing
DE69233034T 1991-10-07 1992-10-06 Verfahren und system für telefonnebenstellen mit mehrfachzugang Expired - Lifetime DE69233034D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/773,009 US5319634A (en) 1991-10-07 1991-10-07 Multiple access telephone extension systems and methods
PCT/US1992/008510 WO1993007693A1 (en) 1991-10-07 1992-10-06 Multiple access telephone extension systems and methods

Publications (1)

Publication Number Publication Date
DE69233034D1 true DE69233034D1 (de) 2003-06-05

Family

ID=25096902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69233034T Expired - Lifetime DE69233034D1 (de) 1991-10-07 1992-10-06 Verfahren und system für telefonnebenstellen mit mehrfachzugang

Country Status (8)

Country Link
US (1) US5319634A (de)
EP (1) EP0607304B1 (de)
JP (1) JP2572940B2 (de)
AU (1) AU2861392A (de)
BR (1) BR9206605A (de)
CA (1) CA2119378C (de)
DE (1) DE69233034D1 (de)
WO (1) WO1993007693A1 (de)

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CA2119378C (en) 1999-05-11
EP0607304A4 (de) 1994-12-21
JPH07501663A (ja) 1995-02-16
AU2861392A (en) 1993-05-03
US5319634A (en) 1994-06-07
WO1993007693A1 (en) 1993-04-15
EP0607304A1 (de) 1994-07-27
JP2572940B2 (ja) 1997-01-16
BR9206605A (pt) 1995-03-28
CA2119378A1 (en) 1993-04-15
EP0607304B1 (de) 2003-05-02

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