FR1176790A - Régulation automatique de transmission par modulation d'onde porteuse - Google Patents

Régulation automatique de transmission par modulation d'onde porteuse

Info

Publication number
FR1176790A
FR1176790A FR1176790DA FR1176790A FR 1176790 A FR1176790 A FR 1176790A FR 1176790D A FR1176790D A FR 1176790DA FR 1176790 A FR1176790 A FR 1176790A
Authority
FR
France
Prior art keywords
carrier wave
automatic transmission
wave modulation
transmission regulation
regulation
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
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1176790A publication Critical patent/FR1176790A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
FR1176790D 1956-10-11 1957-06-18 Régulation automatique de transmission par modulation d'onde porteuse Expired FR1176790A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US615392A US2870271A (en) 1956-10-11 1956-10-11 Automatic transmission regulation

Publications (1)

Publication Number Publication Date
FR1176790A true FR1176790A (fr) 1959-04-15

Family

ID=24465160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1176790D Expired FR1176790A (fr) 1956-10-11 1957-06-18 Régulation automatique de transmission par modulation d'onde porteuse

Country Status (4)

Country Link
US (1) US2870271A (fr)
BE (1) BE558643A (fr)
DE (1) DE1034699B (fr)
FR (1) FR1176790A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022472A (en) * 1958-01-22 1962-02-20 Bell Telephone Labor Inc Variable equalizer employing semiconductive element
US3023369A (en) * 1959-02-09 1962-02-27 Blonder Tongue Elect Variable-gain transistor circuit
FR1242702A (fr) * 1959-04-17 1960-09-30 Secheron Atel Dispositif de commande d'un amplificateur magnétique auto-excité
DE1167401B (de) * 1959-08-14 1964-04-09 Telefunken Patent Abgestimmter Transistorverstaerker fuer hohe Frequenzen mit automatischer Verstaerkungsregelung
US3289107A (en) * 1963-08-06 1966-11-29 Automatic Elect Lab Compandor system employing symmetrical varistors
US3441748A (en) * 1965-03-22 1969-04-29 Rca Corp Bidirectional igfet with symmetrical linear resistance with specific substrate voltage control
US3475561A (en) * 1965-09-29 1969-10-28 Superior Continental Corp Telephone carrier system having selfcontained independently attachable line tap units
US3466572A (en) * 1965-10-14 1969-09-09 Automatic Elect Lab Apparatus for regulating signals in response to their total root mean square value
US3406357A (en) * 1966-03-14 1968-10-15 Itt Compandor that supplies gain to the system
US3497823A (en) * 1967-11-03 1970-02-24 Stromberg Carlson Corp Variable impedance circuit
US3676792A (en) * 1970-06-09 1972-07-11 Us Navy Frequency multiplexing agc amplifier
US3914560A (en) * 1971-10-13 1975-10-21 Superior Continental Corp Self-adjusting repeater for voice frequency telephone transmission systems
US3835393A (en) * 1972-04-17 1974-09-10 Jerrold Electronics Corp Duplex cable communications network employing automatic gain control utilizing a band limited noise agc pilot
US3932712A (en) * 1972-06-14 1976-01-13 Stromberg-Carlson Corporation Telephone transmission system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193966A (en) * 1936-08-05 1940-03-19 Jones Cyril Edward Palmer Volume range controlling arrangement employing thermionic amplifiers
US2252002A (en) * 1939-01-24 1941-08-12 Halsey Reginald John Telephone and other electric wave transmission systems
US2387652A (en) * 1942-10-01 1945-10-23 Bell Telephone Labor Inc Signal transmission system
US2596510A (en) * 1947-08-23 1952-05-13 Motorola Inc Volume compression circuit

Also Published As

Publication number Publication date
US2870271A (en) 1959-01-20
DE1034699B (de) 1958-07-24
BE558643A (fr)

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