FR2390786B1 - - Google Patents

Info

Publication number
FR2390786B1
FR2390786B1 FR7814301A FR7814301A FR2390786B1 FR 2390786 B1 FR2390786 B1 FR 2390786B1 FR 7814301 A FR7814301 A FR 7814301A FR 7814301 A FR7814301 A FR 7814301A FR 2390786 B1 FR2390786 B1 FR 2390786B1
Authority
FR
France
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
FR7814301A
Other versions
FR2390786A1 (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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2390786A1 publication Critical patent/FR2390786A1/fr
Application granted granted Critical
Publication of FR2390786B1 publication Critical patent/FR2390786B1/fr
Granted 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
FR7814301A 1977-05-14 1978-05-12 Procede et equipement de transmission de signaux Granted FR2390786A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2721993A DE2721993C3 (de) 1977-05-14 1977-05-14 Schaltungsanordnung zum Übertragen von digitalen Gleichstromsignalen mittels Trägerschwingungen vorgegebener Frequenz

Publications (2)

Publication Number Publication Date
FR2390786A1 FR2390786A1 (fr) 1978-12-08
FR2390786B1 true FR2390786B1 (fr) 1983-04-01

Family

ID=6009054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7814301A Granted FR2390786A1 (fr) 1977-05-14 1978-05-12 Procede et equipement de transmission de signaux

Country Status (4)

Country Link
US (1) US4179660A (fr)
CH (1) CH634184A5 (fr)
DE (1) DE2721993C3 (fr)
FR (1) FR2390786A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3269126D1 (en) * 1981-06-02 1986-03-27 Texas Instruments Inc Integrated circuit fsk modem
US4712061A (en) * 1986-02-24 1987-12-08 Gould Inc. Small propagation delay measurement for digital logic
US5132957A (en) * 1988-11-07 1992-07-21 Teac Corporation Information signal recording and reproducing system capable of recording an information signal on a medium having a limited recording band width
DE3933491A1 (de) * 1989-10-06 1991-04-18 Endress Hauser Gmbh Co Anordnung zur umwandlung einer elektrischen eingangsgroesse in ein dazu proportionales elektrisches gleichsignal
US7586392B2 (en) * 2006-01-23 2009-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Dual path acoustic data coupling system and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939419A (en) * 1956-11-06 1976-02-17 The United States Of America As Represented By The Secretary Of The Army Security remote control method and system
DE1294435C2 (de) * 1968-04-11 1973-01-18 Telefunken Patent Verfahren zur Stoererkennung in Datenuebertragungssystemen mit binaerer Frequenzumtastung
CH497089A (de) * 1968-07-26 1970-09-30 Autophon Ag Anlage zur Übermittlung von kontinuierlichen Signalen
FR2172900B1 (fr) * 1972-02-25 1977-03-18 Thomson Csf
US3959586A (en) * 1972-10-30 1976-05-25 Physics International Company Frequency burst communication system
US4037173A (en) * 1976-07-27 1977-07-19 Tull Aviation Corporation Multiple carrier modulation synthesis

Also Published As

Publication number Publication date
DE2721993B2 (de) 1980-01-24
US4179660A (en) 1979-12-18
DE2721993A1 (de) 1978-11-16
DE2721993C3 (de) 1980-09-18
CH634184A5 (de) 1983-01-14
FR2390786A1 (fr) 1978-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse