FR854360A - Improvements to devices, relays and security, control, measurement and remote control installations - Google Patents

Improvements to devices, relays and security, control, measurement and remote control installations

Info

Publication number
FR854360A
FR854360A FR854360DA FR854360A FR 854360 A FR854360 A FR 854360A FR 854360D A FR854360D A FR 854360DA FR 854360 A FR854360 A FR 854360A
Authority
FR
France
Prior art keywords
control
relays
security
measurement
devices
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.)
Leon Hatot SA France
Original Assignee
Leon Hatot SA France
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 Leon Hatot SA France filed Critical Leon Hatot SA France
Application granted granted Critical
Publication of FR854360A publication Critical patent/FR854360A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR854360D 1938-12-29 1938-12-29 Improvements to devices, relays and security, control, measurement and remote control installations Expired FR854360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR854360T 1938-12-29

Publications (1)

Publication Number Publication Date
FR854360A true FR854360A (en) 1940-04-11

Family

ID=9327715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854360D Expired FR854360A (en) 1938-12-29 1938-12-29 Improvements to devices, relays and security, control, measurement and remote control installations

Country Status (1)

Country Link
FR (1) FR854360A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253793B (en) * 1958-09-24 1967-11-09 Bodenseewerk Perkin Elmer Co Electrical pick-up system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253793B (en) * 1958-09-24 1967-11-09 Bodenseewerk Perkin Elmer Co Electrical pick-up system

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