FR803109A - Improvement in alternating current transmission methods and application device - Google Patents

Improvement in alternating current transmission methods and application device

Info

Publication number
FR803109A
FR803109A FR803109DA FR803109A FR 803109 A FR803109 A FR 803109A FR 803109D A FR803109D A FR 803109DA FR 803109 A FR803109 A FR 803109A
Authority
FR
France
Prior art keywords
improvement
alternating current
application device
current transmission
transmission methods
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
Other languages
French (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.)
SOC ET LIAISONS TELEPHONIQUES
Original Assignee
SOC ET LIAISONS TELEPHONIQUES
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 SOC ET LIAISONS TELEPHONIQUES filed Critical SOC ET LIAISONS TELEPHONIQUES
Application granted granted Critical
Publication of FR803109A publication Critical patent/FR803109A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H04J1/065—Synchronisation of carrier sources at the receiving station with the carrier source at the transmitting station
    • 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
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2277—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using remodulation
FR803109D 1935-06-06 1935-06-06 Improvement in alternating current transmission methods and application device Expired FR803109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR709122X 1935-06-06

Publications (1)

Publication Number Publication Date
FR803109A true FR803109A (en) 1936-09-23

Family

ID=9069280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803109D Expired FR803109A (en) 1935-06-06 1935-06-06 Improvement in alternating current transmission methods and application device

Country Status (3)

Country Link
US (1) US2108117A (en)
DE (1) DE709122C (en)
FR (1) FR803109A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1016320B (en) * 1954-12-23 1957-09-26 Gen Electric Device for synchronizing the carrier shaft generator in a receiver for the reception of vibrations with a suppressed or partially suppressed carrier
DE1238966B (en) * 1964-07-17 1967-04-20 Ibm Circuit for the receiver-side recovery of the carrier of electrical high-frequency oscillations modulated according to the residual sideband method

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE472065A (en) * 1941-01-17
CH254954A (en) * 1945-10-04 1948-05-31 Patelhold Patentverwertung Device for receiving a phase-shifted oscillation.
US2513803A (en) * 1948-01-29 1950-07-04 Rca Corp Receiver and diversity receiver system
FR987064A (en) * 1949-03-28 1951-08-08 Cie Ind Des Telephones Improvements to receiving devices for suppressed carrier transmission systems
US2987617A (en) * 1956-10-19 1961-06-06 Hazeltine Research Inc Apparatus for converting a vestigialside-band carrier to a double-sideband carrier
US3088069A (en) * 1958-06-23 1963-04-30 Ibm Intelligence communication system
US3130367A (en) * 1959-06-01 1964-04-21 Itt Frequency translation and compression system
US3158864A (en) * 1960-12-27 1964-11-24 Space General Corp Self-synchronizing communication system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1016320B (en) * 1954-12-23 1957-09-26 Gen Electric Device for synchronizing the carrier shaft generator in a receiver for the reception of vibrations with a suppressed or partially suppressed carrier
DE1238966B (en) * 1964-07-17 1967-04-20 Ibm Circuit for the receiver-side recovery of the carrier of electrical high-frequency oscillations modulated according to the residual sideband method

Also Published As

Publication number Publication date
DE709122C (en) 1941-08-06
US2108117A (en) 1938-02-15

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