FR2139070B1 - - Google Patents

Info

Publication number
FR2139070B1
FR2139070B1 FR7218753A FR7218753A FR2139070B1 FR 2139070 B1 FR2139070 B1 FR 2139070B1 FR 7218753 A FR7218753 A FR 7218753A FR 7218753 A FR7218753 A FR 7218753A FR 2139070 B1 FR2139070 B1 FR 2139070B1
Authority
FR
France
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
Application number
FR7218753A
Other languages
French (fr)
Other versions
FR2139070A1 (en
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.)
,YU
Original Assignee
,YU
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 ,YU filed Critical ,YU
Publication of FR2139070A1 publication Critical patent/FR2139070A1/fr
Application granted granted Critical
Publication of FR2139070B1 publication Critical patent/FR2139070B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • 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
    • 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
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
FR7218753A 1971-05-26 1972-05-25 Expired FR2139070B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
YU133771 1971-05-26
YU133571 1971-05-26

Publications (2)

Publication Number Publication Date
FR2139070A1 FR2139070A1 (en) 1973-01-05
FR2139070B1 true FR2139070B1 (en) 1975-02-21

Family

ID=27130793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7218753A Expired FR2139070B1 (en) 1971-05-26 1972-05-25

Country Status (2)

Country Link
DE (1) DE2225426A1 (en)
FR (1) FR2139070B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6788620B2 (en) 2002-05-15 2004-09-07 Matsushita Electric Ind Co Ltd Acoustic matching member, ultrasound transducer, ultrasonic flowmeter and method for manufacturing the same

Also Published As

Publication number Publication date
FR2139070A1 (en) 1973-01-05
DE2225426A1 (en) 1973-02-22

Similar Documents

Publication Publication Date Title
ATA136472A (en)
AU2658571A (en)
AU2691671A (en)
AU2485671A (en)
AU3005371A (en)
AU2952271A (en)
AU2941471A (en)
AU2894671A (en)
AU2742671A (en)
AU2684071A (en)
AU2564071A (en)
AU2473671A (en)
AU2399971A (en)
AU3038671A (en)
AU2486471A (en)
AU3025871A (en)
AU2503871A (en)
AU2456871A (en)
AU2577671A (en)
AU2588771A (en)
AR192311Q (en)
AU2455871A (en)
AU2669471A (en)
AU2415871A (en)
AU2684171A (en)

Legal Events

Date Code Title Description
ST Notification of lapse