FR903678A - Dispositif récepteur de signaux à courant alternatif - Google Patents

Dispositif récepteur de signaux à courant alternatif

Info

Publication number
FR903678A
FR903678A FR903678DA FR903678A FR 903678 A FR903678 A FR 903678A FR 903678D A FR903678D A FR 903678DA FR 903678 A FR903678 A FR 903678A
Authority
FR
France
Prior art keywords
receiving device
signal receiving
signal
receiving
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR903678A publication Critical patent/FR903678A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR903678D 1943-03-04 1944-04-26 Dispositif récepteur de signaux à courant alternatif Expired FR903678A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH903678X 1943-03-04

Publications (1)

Publication Number Publication Date
FR903678A true FR903678A (fr) 1945-10-11

Family

ID=4546750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR903678D Expired FR903678A (fr) 1943-03-04 1944-04-26 Dispositif récepteur de signaux à courant alternatif

Country Status (3)

Country Link
BE (1) BE456214A (fr)
CH (1) CH232244A (fr)
FR (1) FR903678A (fr)

Also Published As

Publication number Publication date
BE456214A (fr)
CH232244A (de) 1944-05-15

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