CH242056A - Signal receiver for carrier wave telephony systems. - Google Patents

Signal receiver for carrier wave telephony systems.

Info

Publication number
CH242056A
CH242056A CH242056DA CH242056A CH 242056 A CH242056 A CH 242056A CH 242056D A CH242056D A CH 242056DA CH 242056 A CH242056 A CH 242056A
Authority
CH
Switzerland
Prior art keywords
carrier wave
signal receiver
telephony systems
wave telephony
systems
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH242056A publication Critical patent/CH242056A/en

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)
CH242056D 1943-06-12 1944-06-12 Signal receiver for carrier wave telephony systems. CH242056A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH242056A true CH242056A (en) 1946-04-15

Family

ID=19780619

Family Applications (1)

Application Number Title Priority Date Filing Date
CH242056D CH242056A (en) 1943-06-12 1944-06-12 Signal receiver for carrier wave telephony systems.

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
DE885725C (en) 1953-08-06
FR904977A (en) 1945-11-21
BE456250A (en)
NL70088C (en)
GB625067A (en) 1949-06-21

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