FR779939A - Perfectionnement aux dispositifs de télécommande - Google Patents

Perfectionnement aux dispositifs de télécommande

Info

Publication number
FR779939A
FR779939A FR779939DA FR779939A FR 779939 A FR779939 A FR 779939A FR 779939D A FR779939D A FR 779939DA FR 779939 A FR779939 A FR 779939A
Authority
FR
France
Prior art keywords
improvement
remote control
control devices
devices
remote
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
J Fallou
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR779939A publication Critical patent/FR779939A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of AC
    • G08C19/14—Electric signal transmission systems in which the signal transmitted is frequency or phase of AC using combination of fixed frequencies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR779939D 1934-10-20 1934-10-20 Perfectionnement aux dispositifs de télécommande Expired FR779939A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR779939T 1934-10-20

Publications (1)

Publication Number Publication Date
FR779939A true FR779939A (fr) 1935-04-16

Family

ID=9203009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779939D Expired FR779939A (fr) 1934-10-20 1934-10-20 Perfectionnement aux dispositifs de télécommande

Country Status (1)

Country Link
FR (1) FR779939A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509050A (en) * 1948-10-29 1950-05-23 Bell Telephone Labor Inc Timed trunk release

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509050A (en) * 1948-10-29 1950-05-23 Bell Telephone Labor Inc Timed trunk release

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