FR866011A - Periodic pulse sending system - Google Patents

Periodic pulse sending system

Info

Publication number
FR866011A
FR866011A FR866011DA FR866011A FR 866011 A FR866011 A FR 866011A FR 866011D A FR866011D A FR 866011DA FR 866011 A FR866011 A FR 866011A
Authority
FR
France
Prior art keywords
sending system
periodic pulse
pulse sending
periodic
sending
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR866011A publication Critical patent/FR866011A/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
    • H04Q1/40—Signalling arrangements; Manipulation of signalling currents whereby duration of pulse or interval between two pulses is variable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Relay Circuits (AREA)
FR866011D 1940-06-06 1940-06-06 Periodic pulse sending system Expired FR866011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR866011T 1940-06-06

Publications (1)

Publication Number Publication Date
FR866011A true FR866011A (en) 1941-06-13

Family

ID=9344676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866011D Expired FR866011A (en) 1940-06-06 1940-06-06 Periodic pulse sending system

Country Status (2)

Country Link
US (1) US2424566A (en)
FR (1) FR866011A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146456A (en) * 1958-02-19 1964-08-25 Westinghouse Electric Corp Supervisory remote control apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620169A (en) * 1926-01-29 1927-03-08 Union Switch & Signal Co Apparatus for transmitting coded currents
US1957672A (en) * 1927-03-30 1934-05-08 Associated Electric Lab Inc Telephone system
US2114255A (en) * 1934-04-28 1938-04-12 Gen Railway Signal Co Centralizing traffic controlling system for railroads
US2281396A (en) * 1940-04-03 1942-04-28 Bell Telephone Labor Inc Relay selecting circuit

Also Published As

Publication number Publication date
US2424566A (en) 1947-07-29

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