FR866862A - Système de communication électrique - Google Patents

Système de communication électrique

Info

Publication number
FR866862A
FR866862A FR866862DA FR866862A FR 866862 A FR866862 A FR 866862A FR 866862D A FR866862D A FR 866862DA FR 866862 A FR866862 A FR 866862A
Authority
FR
France
Prior art keywords
communication system
electrical communication
electrical
communication
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)
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products 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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR866862A publication Critical patent/FR866862A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/08—Amplitude regulation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
FR866862D 1939-07-08 1940-08-24 Système de communication électrique Expired FR866862A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US283369A US2207711A (en) 1939-07-08 1939-07-08 Convoy current timing arrangement

Publications (1)

Publication Number Publication Date
FR866862A true FR866862A (fr) 1941-09-15

Family

ID=23085714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866862D Expired FR866862A (fr) 1939-07-08 1940-08-24 Système de communication électrique

Country Status (3)

Country Link
US (1) US2207711A (enrdf_load_stackoverflow)
FR (1) FR866862A (enrdf_load_stackoverflow)
NL (1) NL62781C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213200A (en) * 1960-02-25 1965-10-19 Joseph H Vogelman Multiple-service communication system
US3200201A (en) * 1961-12-29 1965-08-10 Bell Telephone Labor Inc Interpolation signaling
US3303285A (en) * 1963-05-29 1967-02-07 Itt Communication system for the selective transmission of speech and data
US3310631A (en) * 1963-06-03 1967-03-21 Itt Communication system for the selective transmission of speech and data
US3304372A (en) * 1963-06-28 1967-02-14 Ibm Voice-data multiplexing system for transmitting data during pauses in the voice signals
US3311704A (en) * 1963-06-28 1967-03-28 Ibm Voice-data multiplexing system for transmitting data during pauses in the voice signals

Also Published As

Publication number Publication date
US2207711A (en) 1940-07-16
NL62781C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR853355A (fr) Système de téléphonie multiple
CH227860A (fr) Câble électrique isolé.
BE444713A (fr) Système électrique de signalisation
FR856152A (fr) Système téléphonique
FR858001A (fr) Système de communication électrique
FR866862A (fr) Système de communication électrique
FR951376A (fr) Système téléphonique
CH232790A (de) Elektrische Fernmeldeanlage.
FR853308A (fr) Système de téléphonie multiple
FR937957A (fr) Système radiotéléimprimeur
CH237887A (fr) Installation de télécommunication.
CH219021A (de) Elektrische Fernmeldeanlage.
FR841940A (fr) Systèmes de communication électrique
FR848214A (fr) Systèmes de communication électriques
FR865888A (fr) Système télégraphique multiple
FR837587A (fr) Système de télécommunications secrètes
DK59300C (da) Elektrisk Signalanlæg.
FR860550A (fr) Dispositif de branchement électrique
FR856679A (fr) Système de communications électriques
FR886911A (fr) Système de transmission électrique
FR874482A (fr) Système de couplage électrique
FR865515A (fr) Câbles de communication électriques
FR869497A (fr) Système de signalisation électriques
FR856889A (fr) Système de télécommunication
FR853572A (fr) Système de télécommunication