FR1322023A - Perfectionnements aux systèmes de transmission télégraphique - Google Patents

Perfectionnements aux systèmes de transmission télégraphique

Info

Publication number
FR1322023A
FR1322023A FR897735A FR897735A FR1322023A FR 1322023 A FR1322023 A FR 1322023A FR 897735 A FR897735 A FR 897735A FR 897735 A FR897735 A FR 897735A FR 1322023 A FR1322023 A FR 1322023A
Authority
FR
France
Prior art keywords
transmission systems
telegraphic transmission
telegraphic
systems
transmission
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
FR897735A
Other languages
English (en)
Inventor
Christopher Buff
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1322023A publication Critical patent/FR1322023A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H04L5/08—Channels characterised by the type of signal the signals being represented by different frequencies each combination of signals in different channels being represented by a fixed frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR897735A 1961-05-19 1962-05-16 Perfectionnements aux systèmes de transmission télégraphique Expired FR1322023A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US111337A US3048657A (en) 1961-05-19 1961-05-19 Diplex telegraph system using frequency modulation

Publications (1)

Publication Number Publication Date
FR1322023A true FR1322023A (fr) 1963-03-22

Family

ID=22337932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897735A Expired FR1322023A (fr) 1961-05-19 1962-05-16 Perfectionnements aux systèmes de transmission télégraphique

Country Status (5)

Country Link
US (1) US3048657A (fr)
BE (1) BE617859A (fr)
CH (1) CH397778A (fr)
DE (1) DE1146523B (fr)
FR (1) FR1322023A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1297648B (de) * 1965-02-23 1969-06-19 Automatic Elect Lab Verfahren und Schaltungsanordnung zur UEbertragung von binaer-kodierten Daten durch Anwendung von Frequenzmodulation

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440541A (en) * 1965-04-09 1969-04-22 Rfl Ind Inc Frequency shift receiver with single discriminator tuned to one side of both signal frequencies
US3525272A (en) * 1967-10-20 1970-08-25 Westinghouse Air Brake Co Multiposition control handle having detent means
US4577333A (en) * 1984-09-13 1986-03-18 Gridcomm Inc. Composite shift keying communication system
US5051993A (en) * 1989-03-30 1991-09-24 Motorola, Inc. Mixed modulation level communication system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1297648B (de) * 1965-02-23 1969-06-19 Automatic Elect Lab Verfahren und Schaltungsanordnung zur UEbertragung von binaer-kodierten Daten durch Anwendung von Frequenzmodulation

Also Published As

Publication number Publication date
DE1146523B (de) 1963-04-04
US3048657A (en) 1962-08-07
CH397778A (de) 1965-08-31
BE617859A (fr) 1962-11-21

Similar Documents

Publication Publication Date Title
FR1377186A (fr) Systèmes de transmission
BE608414A (fr) Perfectionnements aux systèmes de pélécommunication.
FR1322023A (fr) Perfectionnements aux systèmes de transmission télégraphique
FR1450182A (fr) Perfectionnements aux systèmes télégraphiques
FR1236189A (fr) Perfectionnements aux systèmes de transmission
FR1322699A (fr) Perfectionnements aux systèmes de radio communication
FR1313802A (fr) Perfectionnements aux systèmes téléphoniques
BE616214A (fr) Perfectionnements aux systèmes de transmission de données
FR1313261A (fr) Perfectionnements aux systèmes de régulation
FR1294167A (fr) Perfectionnements aux systèmes télégraphiques
FR1284573A (fr) Perfectionnements aux systèmes de transmission par télévision
FR1388156A (fr) Perfectionnements aux systèmes de transmission télégraphique chiffrée
FR76754E (fr) Perfectionnements aux systèmes de transmission télégraphique
FR1223446A (fr) Perfectionnements aux systèmes de transmission télégraphique
BE616215R (fr) Perfectionnements aux systèmes de transmission de données
FR1323134A (fr) Perfectionnements aux systèmes de transmission de données
FR81964E (fr) Perfectionnements aux systèmes de transmission de données
FR1345776A (fr) Perfectionnements aux systèmes de communication stéréophonique
FR1344357A (fr) Perfectionnements aux systèmes de transmission de données
FR1299932A (fr) Perfectionnements aux systèmes de transmission de fac-similés
FR1281196A (fr) Perfectionnements aux systèmes de télévision
FR1300724A (fr) Perfectionnements aux systèmes de transmission
FR87802E (fr) Perfectionnements aux systèmes de transmission à modulation de fréquence
FR89666E (fr) Perfectionnements aux systèmes de transmission à modulation de fréquence
FR1316045A (fr) Perfectionnements aux systèmes de transmission à modulation de fréquence