JPS4844012A - - Google Patents

Info

Publication number
JPS4844012A
JPS4844012A JP47098577A JP9857772A JPS4844012A JP S4844012 A JPS4844012 A JP S4844012A JP 47098577 A JP47098577 A JP 47098577A JP 9857772 A JP9857772 A JP 9857772A JP S4844012 A JPS4844012 A JP S4844012A
Authority
JP
Japan
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.)
Pending
Application number
JP47098577A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4844012A publication Critical patent/JPS4844012A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • 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
    • H04B2203/5466—Systems for power line communications using three phases conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Selective Calling Equipment (AREA)
JP47098577A 1971-10-01 1972-09-30 Pending JPS4844012A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18568471A 1971-10-01 1971-10-01

Publications (1)

Publication Number Publication Date
JPS4844012A true JPS4844012A (enrdf_load_stackoverflow) 1973-06-25

Family

ID=22682027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47098577A Pending JPS4844012A (enrdf_load_stackoverflow) 1971-10-01 1972-09-30

Country Status (11)

Country Link
JP (1) JPS4844012A (enrdf_load_stackoverflow)
AR (1) AR194015A1 (enrdf_load_stackoverflow)
AU (1) AU445047B2 (enrdf_load_stackoverflow)
BE (1) BE789519A (enrdf_load_stackoverflow)
BR (1) BR7206787D0 (enrdf_load_stackoverflow)
DE (1) DE2246634A1 (enrdf_load_stackoverflow)
FR (1) FR2156681A1 (enrdf_load_stackoverflow)
GB (1) GB1393424A (enrdf_load_stackoverflow)
IL (1) IL40379A0 (enrdf_load_stackoverflow)
IT (1) IT975124B (enrdf_load_stackoverflow)
NL (1) NL7213309A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949172A (en) * 1974-02-08 1976-04-06 Brown William M Telephone extension system utilizing power line carrier signals
US4200862A (en) * 1977-01-07 1980-04-29 Pico Electronics Limited Appliance control
US4495386A (en) * 1982-03-29 1985-01-22 Astech, Inc. Telephone extension system utilizing power line carrier signals
US4479033A (en) * 1982-03-29 1984-10-23 Astech, Inc. Telephone extension system utilizing power line carrier signals
WO1984001481A1 (en) * 1982-09-30 1984-04-12 Astech Inc Telephone extension system
US4514594A (en) * 1982-09-30 1985-04-30 Astech, Inc. Power line carrier telephone extension system for full duplex conferencing between telephones and having telephone call hold capability
DE3623805C2 (de) * 1986-07-15 2000-07-06 Merten Gmbh & Co Kg Geb Signalübertragungssystem
US6055435A (en) 1997-10-16 2000-04-25 Phonex Corporation Wireless telephone connection surge suppressor
US5970127A (en) 1997-10-16 1999-10-19 Phonex Corporation Caller identification system for wireless phone jacks and wireless modem jacks
WO2012029472A1 (ja) * 2010-09-03 2012-03-08 株式会社日立製作所 電磁波伝送媒体及び電磁波伝送システム

Also Published As

Publication number Publication date
AU4707472A (en) 1974-02-14
AU445047B2 (en) 1974-02-14
FR2156681A1 (enrdf_load_stackoverflow) 1973-06-01
BR7206787D0 (pt) 1973-08-30
AR194015A1 (es) 1973-06-12
GB1393424A (en) 1975-05-07
NL7213309A (enrdf_load_stackoverflow) 1973-04-03
IT975124B (it) 1974-07-20
BE789519A (fr) 1973-03-29
IL40379A0 (en) 1972-11-28
DE2246634A1 (de) 1973-04-12

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