FR904977A - Signal receiver for powerline telephone system - Google Patents

Signal receiver for powerline telephone system

Info

Publication number
FR904977A
FR904977A FR904977DA FR904977A FR 904977 A FR904977 A FR 904977A FR 904977D A FR904977D A FR 904977DA FR 904977 A FR904977 A FR 904977A
Authority
FR
France
Prior art keywords
powerline
signal receiver
telephone system
telephone
receiver
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
Application number
Other languages
French (fr)
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 FR904977A publication Critical patent/FR904977A/en
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
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/56—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only
    • H03C1/58—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only comprising diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/08—Arrangements for combining channels
    • H04J1/085—Terminal station; Combined modulator and demodulator circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
FR904977D 1943-06-12 1944-06-10 Signal receiver for powerline telephone system Expired FR904977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL242056X 1943-06-12

Publications (1)

Publication Number Publication Date
FR904977A true FR904977A (en) 1945-11-21

Family

ID=19780619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904977D Expired FR904977A (en) 1943-06-12 1944-06-10 Signal receiver for powerline telephone system

Country Status (6)

Country Link
BE (1) BE456250A (en)
CH (1) CH242056A (en)
DE (1) DE885725C (en)
FR (1) FR904977A (en)
GB (1) GB625067A (en)
NL (1) NL70088C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067105B (en) * 1954-03-11 1959-10-15

Also Published As

Publication number Publication date
GB625067A (en) 1949-06-21
DE885725C (en) 1953-08-06
CH242056A (en) 1946-04-15
NL70088C (en)
BE456250A (en)

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