FR996042A - Perfectionnement aux signaleurs d'impulsions - Google Patents

Perfectionnement aux signaleurs d'impulsions

Info

Publication number
FR996042A
FR996042A FR996042DA FR996042A FR 996042 A FR996042 A FR 996042A FR 996042D A FR996042D A FR 996042DA FR 996042 A FR996042 A FR 996042A
Authority
FR
France
Prior art keywords
signalers
pulse
development
pulse signalers
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)
Inventor
Rene Sueur
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 filed Critical
Application granted granted Critical
Publication of FR996042A publication Critical patent/FR996042A/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)
  • Meter Arrangements (AREA)
FR996042D 1945-04-14 1945-04-14 Perfectionnement aux signaleurs d'impulsions Expired FR996042A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR996042T 1945-04-14

Publications (1)

Publication Number Publication Date
FR996042A true FR996042A (fr) 1951-12-12

Family

ID=9557613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR996042D Expired FR996042A (fr) 1945-04-14 1945-04-14 Perfectionnement aux signaleurs d'impulsions

Country Status (2)

Country Link
US (1) US2580973A (fr)
FR (1) FR996042A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821683A (en) * 1952-11-25 1958-01-28 Jr Walter Koenig Waveform distortion compensator
US3004104A (en) * 1954-04-29 1961-10-10 Muzak Corp Identification of sound and like signals
DE1487973B2 (de) * 1966-05-12 1970-10-08 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung für einen sprachgeschützten Ein- oder Mehrfrequenz-Signalempfänger

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL39470B (fr) * 1927-01-04
US2020487A (en) * 1934-05-26 1935-11-12 Bell Telephone Labor Inc Electrical signaling
US2145053A (en) * 1936-11-18 1939-01-24 Bell Telephone Labor Inc Signaling system
US2282131A (en) * 1940-01-12 1942-05-05 Associated Electric Lab Inc Electrical signaling system

Also Published As

Publication number Publication date
US2580973A (en) 1952-01-01

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