GB1391481A - Voltage detectors - Google Patents

Voltage detectors

Info

Publication number
GB1391481A
GB1391481A GB1257272A GB1257272A GB1391481A GB 1391481 A GB1391481 A GB 1391481A GB 1257272 A GB1257272 A GB 1257272A GB 1257272 A GB1257272 A GB 1257272A GB 1391481 A GB1391481 A GB 1391481A
Authority
GB
United Kingdom
Prior art keywords
detector
voltage
tube
light
march
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
GB1257272A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR7111200A external-priority patent/FR2130035B1/fr
Priority claimed from FR7202482A external-priority patent/FR2168253B2/fr
Application filed by Individual filed Critical Individual
Publication of GB1391481A publication Critical patent/GB1391481A/en
Expired legal-status Critical Current

Links

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
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/155—Indicating the presence of voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Testing Relating To Insulation (AREA)
GB1257272A 1971-03-22 1972-03-17 Voltage detectors Expired GB1391481A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7111200A FR2130035B1 (de) 1971-03-22 1971-03-22
FR7202482A FR2168253B2 (de) 1972-01-19 1972-01-19

Publications (1)

Publication Number Publication Date
GB1391481A true GB1391481A (en) 1975-04-23

Family

ID=26216299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257272A Expired GB1391481A (en) 1971-03-22 1972-03-17 Voltage detectors

Country Status (6)

Country Link
BE (1) BE780909A (de)
CH (1) CH558021A (de)
GB (1) GB1391481A (de)
IT (1) IT950155B (de)
NL (1) NL159504B (de)
NO (1) NO132658C (de)

Also Published As

Publication number Publication date
NL159504B (nl) 1979-02-15
IT950155B (it) 1973-06-20
NO132658B (de) 1975-09-01
BE780909A (fr) 1972-07-17
DE2213583B2 (de) 1976-08-12
CH558021A (de) 1975-01-15
NO132658C (de) 1975-12-10
NL7203782A (de) 1972-09-26
DE2213583A1 (de) 1972-12-21

Similar Documents

Publication Publication Date Title
IT1064361B (it) Complesso di rondella con indicazione della tensione
IT7826412A0 (it) Circuito integrato con rivelazione del livello della tensione di alimentazione.
US3742475A (en) Gaseous impurity detector employing corona discharge phenomenon
GB1191331A (en) Improvements in Proximity Detectors
BE772267A (fr) Dispositif a decharges gazeuses a cycle de vieillissement reduit et tensions de fonctionnement uniformes
FR2380213A1 (fr) Casse-fil capacitif
US2094645A (en) Voltage indicating device
US3460125A (en) Method and apparatus for detecting gaseous impurities
GB1391481A (en) Voltage detectors
GB1504486A (en) Capacitance probe
GB1502448A (en) Static capacitance type sensor
IT1033366B (it) Apparato di misurazione delle caratteristiche dei terreni con rilevazione indipendente della pressione sulla sua punta e dell attrito sul suo involucro
GB1079360A (en) Improvements in leak detectors
GB1345712A (en) Device and method for measuring earth resistance
GB1132128A (en) Improvements in or relating to electro-optical thread clearers
US3899735A (en) Voltage detector for detecting AC voltages
GB789712A (en) Methods of determining the location of p or n zones in semiconductor bodies
SE7712612L (sv) Joniseringskammare
JPS5348130A (en) Spark condition detecting method and device
FR2350585A1 (fr) Debitmetre a induction
GB1194558A (en) Illuminated Tape Measure
JPS5627604A (en) Displacement detector
GB1195799A (en) Alternating Current Flame Ionization Detector
GB1229491A (de)
KR900017066A (ko) 전자 관 장치

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee