FR1417119A - Improvements to signaling systems - Google Patents

Improvements to signaling systems

Info

Publication number
FR1417119A
FR1417119A FR948911A FR948911A FR1417119A FR 1417119 A FR1417119 A FR 1417119A FR 948911 A FR948911 A FR 948911A FR 948911 A FR948911 A FR 948911A FR 1417119 A FR1417119 A FR 1417119A
Authority
FR
France
Prior art keywords
signaling systems
signaling
systems
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
FR948911A
Other languages
French (fr)
Inventor
Harry Charles Likel
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from US227345A external-priority patent/US3205441A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR948911A priority Critical patent/FR1417119A/en
Application granted granted Critical
Publication of FR1417119A publication Critical patent/FR1417119A/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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR948911A 1962-10-01 1963-09-27 Improvements to signaling systems Expired FR1417119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR948911A FR1417119A (en) 1962-10-01 1963-09-27 Improvements to signaling systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US227345A US3205441A (en) 1962-10-01 1962-10-01 Frequency shift signaling system
FR948911A FR1417119A (en) 1962-10-01 1963-09-27 Improvements to signaling systems

Publications (1)

Publication Number Publication Date
FR1417119A true FR1417119A (en) 1965-11-12

Family

ID=26203613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948911A Expired FR1417119A (en) 1962-10-01 1963-09-27 Improvements to signaling systems

Country Status (1)

Country Link
FR (1) FR1417119A (en)

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