FR900095A - Acoustic frequency signal receiver - Google Patents

Acoustic frequency signal receiver

Info

Publication number
FR900095A
FR900095A FR900095DA FR900095A FR 900095 A FR900095 A FR 900095A FR 900095D A FR900095D A FR 900095DA FR 900095 A FR900095 A FR 900095A
Authority
FR
France
Prior art keywords
frequency signal
signal receiver
acoustic frequency
acoustic
receiver
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.)
Mix und Genest AG
Original Assignee
Mix und Genest AG
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 Mix und Genest AG filed Critical Mix und Genest AG
Application granted granted Critical
Publication of FR900095A publication Critical patent/FR900095A/en
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)
FR900095D 1942-11-26 1943-11-24 Acoustic frequency signal receiver Expired FR900095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE900095X 1942-11-26

Publications (1)

Publication Number Publication Date
FR900095A true FR900095A (en) 1945-06-19

Family

ID=6850442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR900095D Expired FR900095A (en) 1942-11-26 1943-11-24 Acoustic frequency signal receiver

Country Status (1)

Country Link
FR (1) FR900095A (en)

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