FR987982A - Voltmètre à lampes à compensation de tension par opposition - Google Patents

Voltmètre à lampes à compensation de tension par opposition

Info

Publication number: FR987982A
Authority: FR; France
Prior art keywords: voltage compensated; opposed voltage; lamp voltmeter; compensated lamp; voltmeter
Prior art date: 1943-06-26
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

Inventor

Roger Boy De La Tour

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.)

1943-06-26

Filing date

1943-06-26

Publication date

1951-08-21

1943-06-26 Application filed filed Critical

1951-08-21 Application granted granted Critical

1951-08-21 Publication of FR987982A publication Critical patent/FR987982A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0046—Arrangements for measuring currents or voltages or for indicating presence or sign thereof characterised by a specific application or detail not covered by any other subgroup of G01R19/00
- G01R19/0076—Arrangements for measuring currents or voltages or for indicating presence or sign thereof characterised by a specific application or detail not covered by any other subgroup of G01R19/00 using thermionic valves

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR987982D 1943-06-26 1943-06-26 Voltmètre à lampes à compensation de tension par opposition Expired FR987982A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR987982T		1943-06-26

Publications (1)

Publication Number	Publication Date
FR987982A true FR987982A (fr)	1951-08-21

Family

ID=9539254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR987982D Expired FR987982A (fr)	1943-06-26	1943-06-26	Voltmètre à lampes à compensation de tension par opposition

Country Status (1)

Country	Link
FR (1)	FR987982A (fr)

1943
- 1943-06-26 FR FR987982D patent/FR987982A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
FR912738A (fr)	1946-08-19	Perfectionnements à la galvanoplastie
FR912554A (fr)	1946-08-13	émetteur-amplificateur à modulation de tension anodique
FR987982A (fr)	1951-08-21	Voltmètre à lampes à compensation de tension par opposition
FR949339A (fr)	1949-08-26	Régulateur de tension
FR902459A (fr)	1945-08-31	Régulateur de tension
FR916542A (fr)	1946-12-09	Voltmètre à lampes, pour tension continue
FR905577A (fr)	1945-12-07	Stabilisateurs de tension
FR987979A (fr)	1951-08-21	Voltmètre à lampes
FR901784A (fr)	1945-08-06	Montage de relaxation à transformateur
FR951412A (fr)	1949-10-25	Perfectionnements aux régulateurs de tension
FR900089A (fr)	1945-06-19	Instrument à dessiner
FR902680A (fr)	1945-09-10	Tube stabilisateur de tension
FR893665A (fr)	1944-08-11	Support de fardeaux
FR970481A (fr)	1951-01-04	Régulateurs de tension
FR891336A (fr)	1944-03-03	Suspension à interaction
FR890480A (fr)	1944-02-09	Régulateur de tension
FR984982A (fr)	1951-07-12	Redresseur monoanodique à haute tension
FR902050A (fr)	1945-08-16	Interrupteur à haute tension
FR948979A (fr)	1949-08-17	Régulateur de tension
FR928260A (fr)	1947-11-24	Photocellule à électrode de tantale
FR913199A (fr)	1946-08-30	Petit commutateur à action magnéto-électrique
FR951458A (fr)	1949-10-26	Régulateur de tension pour génératrices électriques
FR982553A (fr)	1951-06-12	Excitatrice à grande variation de tension
ES156497A1 (es)	1943-04-01	Perfeccionamientos en la fabricacion de cables de alta tension para ignicion
FR951772A (fr)	1949-11-03	Oscillographe cathodique