GB214226A - - Google Patents

Info

Publication number
GB214226A
GB214226A GB785424A GB785424A GB214226A GB 214226 A GB214226 A GB 214226A GB 785424 A GB785424 A GB 785424A GB 785424 A GB785424 A GB 785424A GB 214226 A GB214226 A GB 214226A
Authority
GB
United Kingdom
Prior art keywords
key
equalizes
obviates
oscillations
signalling
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
GB785424A
Other languages
English (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.)
Telefunken AG
Original Assignee
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Publication of GB214226A publication Critical patent/GB214226A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/2057—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases with a separate carrier for each phase state

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Near-Field Transmission Systems (AREA)
GB785424A 1923-04-13 1924-03-27 Expired GB214226A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG58868D DE394319C (de) 1923-04-13 1923-04-13 Verfahren und Einrichtung fuer Schnelltelegraphie

Publications (1)

Publication Number Publication Date
GB214226A true GB214226A (enrdf_load_stackoverflow) 1924-10-02

Family

ID=7132003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB785424A Expired GB214226A (enrdf_load_stackoverflow) 1923-04-13 1924-03-27

Country Status (2)

Country Link
DE (1) DE394319C (enrdf_load_stackoverflow)
GB (1) GB214226A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE394319C (de) 1924-04-30

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