NL7804231A - TEST DEVICE FOR INDICATING AN ELECTRICAL VOLTAGE AND / OR THE POLARITY OF THIS VOLTAGE AND OF THE CURRENT TRANSIT THROUGH AN ELECTRICAL CONDUIT. - Google Patents
TEST DEVICE FOR INDICATING AN ELECTRICAL VOLTAGE AND / OR THE POLARITY OF THIS VOLTAGE AND OF THE CURRENT TRANSIT THROUGH AN ELECTRICAL CONDUIT.Info
- Publication number
- NL7804231A NL7804231A NL7804231A NL7804231A NL7804231A NL 7804231 A NL7804231 A NL 7804231A NL 7804231 A NL7804231 A NL 7804231A NL 7804231 A NL7804231 A NL 7804231A NL 7804231 A NL7804231 A NL 7804231A
- Authority
- NL
- Netherlands
- Prior art keywords
- voltage
- electrical
- polarity
- indicating
- test device
- Prior art date
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06788—Hand-held or hand-manipulated probes, e.g. for oscilloscopes or for portable test instruments
-
- 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
- G01R19/14—Indicating direction of current; Indicating polarity of voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Measurement Of Current Or Voltage (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2717826A DE2717826C2 (en) | 1977-04-21 | 1977-04-21 | Test device for displaying an electrical voltage and / or its polarity as well as the passage of current through an electrical conductor |
DE2734833A DE2734833C2 (en) | 1977-04-21 | 1977-08-02 | Test device for displaying an electrical voltage and / or its polarity as well as the passage of current through an electrical conductor |
DE2735374A DE2735374C2 (en) | 1977-04-21 | 1977-08-05 | Test device for displaying an electrical voltage and / or its polarity as well as the passage of current through an electrical conductor |
DE19777724448 DE7724448U (en) | 1977-08-05 | Test device for displaying an electrical voltage and / or its polarity as well as the passage of current through an electrical conductor | |
DE19772756830 DE2756830C3 (en) | 1977-04-21 | 1977-12-20 | Test device for displaying an electrical voltage and / or its polarity as well as the passage of current through an electrical conductor |
DE7738799 | 1977-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7804231A true NL7804231A (en) | 1978-10-24 |
Family
ID=27544272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7804231A NL7804231A (en) | 1977-04-21 | 1978-04-20 | TEST DEVICE FOR INDICATING AN ELECTRICAL VOLTAGE AND / OR THE POLARITY OF THIS VOLTAGE AND OF THE CURRENT TRANSIT THROUGH AN ELECTRICAL CONDUIT. |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS6019460B2 (en) |
AR (1) | AR213041A1 (en) |
BE (1) | BE866251A (en) |
CA (1) | CA1101072A (en) |
DK (1) | DK172978A (en) |
FR (1) | FR2388281A1 (en) |
GB (1) | GB1562578A (en) |
IT (1) | IT1094448B (en) |
LU (1) | LU79484A1 (en) |
NL (1) | NL7804231A (en) |
SE (1) | SE425270B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54135577U (en) * | 1978-03-13 | 1979-09-20 | ||
US4527118A (en) * | 1981-06-29 | 1985-07-02 | Siemens Aktiengesellschaft | Testing device for indicating an electric voltage and its polarity and for continuity testing |
GB2125972A (en) * | 1982-08-25 | 1984-03-14 | Alan James Checkland Park | Domestic electrical tester |
US4513179A (en) * | 1983-04-21 | 1985-04-23 | Northern Telecom Limited | Loop test circuit |
US4605895A (en) * | 1984-03-09 | 1986-08-12 | Park Alan J C | Domestic electrical tester |
FR2575837B1 (en) * | 1985-01-10 | 1988-03-18 | Gedic International | APPARATUS FOR MONITORING THE CONTINUITY OF AN ELECTRICAL CIRCUIT |
JPH0449707Y2 (en) * | 1985-08-20 | 1992-11-24 | ||
JPS62167655U (en) * | 1986-04-14 | 1987-10-24 | ||
JPH01112271A (en) * | 1987-07-04 | 1989-04-28 | Ricoh Co Ltd | Optical scanner for laser printer or the like |
EP0355197A1 (en) * | 1988-08-26 | 1990-02-28 | Siemens Aktiengesellschaft | Voltage probe for the stepwise optical display of a voltage, and process for producing it |
JP2009244131A (en) * | 2008-03-31 | 2009-10-22 | Hioki Ee Corp | Line voltage measuring apparatus |
JP2010175412A (en) * | 2009-01-30 | 2010-08-12 | Hioki Ee Corp | Voltage measuring apparatus |
CN113125810B (en) * | 2021-02-23 | 2024-02-09 | 四川航天燎原科技有限公司 | Electrical separation switching separation device for multiple types of separation connectors |
-
1978
- 1978-04-14 AR AR271797A patent/AR213041A1/en active
- 1978-04-18 FR FR7811359A patent/FR2388281A1/en active Granted
- 1978-04-19 CA CA301,450A patent/CA1101072A/en not_active Expired
- 1978-04-19 JP JP53046438A patent/JPS6019460B2/en not_active Expired
- 1978-04-20 DK DK172978A patent/DK172978A/en active IP Right Grant
- 1978-04-20 IT IT22519/78A patent/IT1094448B/en active
- 1978-04-20 SE SE7804537A patent/SE425270B/en not_active IP Right Cessation
- 1978-04-20 LU LU79484A patent/LU79484A1/en unknown
- 1978-04-20 NL NL7804231A patent/NL7804231A/en not_active Application Discontinuation
- 1978-04-20 GB GB15591/78A patent/GB1562578A/en not_active Expired
- 1978-04-21 BE BE187009A patent/BE866251A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE7804537L (en) | 1978-10-22 |
FR2388281A1 (en) | 1978-11-17 |
SE425270B (en) | 1982-09-13 |
IT7822519A0 (en) | 1978-04-20 |
BE866251A (en) | 1978-08-14 |
JPS6019460B2 (en) | 1985-05-16 |
JPS53132389A (en) | 1978-11-18 |
AR213041A1 (en) | 1978-11-30 |
FR2388281B1 (en) | 1981-11-13 |
GB1562578A (en) | 1980-03-12 |
IT1094448B (en) | 1985-08-02 |
CA1101072A (en) | 1981-05-12 |
LU79484A1 (en) | 1978-09-29 |
DK172978A (en) | 1978-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |