FR893502A - Electrical signal receiver - Google Patents

Electrical signal receiver

Info

Publication number
FR893502A
FR893502A FR893502DA FR893502A FR 893502 A FR893502 A FR 893502A FR 893502D A FR893502D A FR 893502DA FR 893502 A FR893502 A FR 893502A
Authority
FR
France
Prior art keywords
electrical signal
signal receiver
receiver
electrical
signal
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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR893502A publication Critical patent/FR893502A/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)
FR893502D 1942-04-18 1943-04-13 Electrical signal receiver Expired FR893502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE893502X 1942-04-18

Publications (1)

Publication Number Publication Date
FR893502A true FR893502A (en) 1944-07-30

Family

ID=6846781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893502D Expired FR893502A (en) 1942-04-18 1943-04-13 Electrical signal receiver

Country Status (2)

Country Link
BE (1) BE450536A (en)
FR (1) FR893502A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954519C (en) * 1951-12-13 1956-12-20 Standard Elek K Ag Circuit arrangement for receiving call and dialing signals
DE969686C (en) * 1952-05-09 1958-07-03 Felten & Guilleaume Gmbh Tube amplifier stage for simultaneous reception and common amplification of a frequency band and a signal frequency outside of it

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954519C (en) * 1951-12-13 1956-12-20 Standard Elek K Ag Circuit arrangement for receiving call and dialing signals
DE969686C (en) * 1952-05-09 1958-07-03 Felten & Guilleaume Gmbh Tube amplifier stage for simultaneous reception and common amplification of a frequency band and a signal frequency outside of it

Also Published As

Publication number Publication date
BE450536A (en)

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