FR832140A - Electro-optical control devices - Google Patents

Electro-optical control devices

Info

Publication number: FR832140A
Authority: FR; France
Prior art keywords: electro; control devices; optical control; optical; devices
Prior art date: 1937-04-26
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

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

Le Materiel Telephonique Thomson CSF

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.)

1937-04-26

Filing date

1937-04-26

Publication date

1938-09-22

1937-04-26 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1938-09-22 Application granted granted Critical

1938-09-22 Publication of FR832140A publication Critical patent/FR832140A/en

Status Expired legal-status Critical Current

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
- G05D3/16—Control of position or direction using feedback using an analogue comparing device whose output amplitude can only take a number of discrete values

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)

FR832140D 1937-04-26 1937-04-26 Electro-optical control devices Expired FR832140A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR832140T		1937-04-26

Publications (1)

Publication Number	Publication Date
FR832140A true FR832140A (en)	1938-09-22

Family

ID=9295821

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR832140D Expired FR832140A (en)	1937-04-26	1937-04-26	Electro-optical control devices

Country Status (1)

Country	Link
FR (1)	FR832140A (en)

1937
- 1937-04-26 FR FR832140D patent/FR832140A/en not_active Expired

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