GB8811314D0 - Device for detecting changes in electric field surrounding high tension lead - Google Patents

Device for detecting changes in electric field surrounding high tension lead

Info

Publication number
GB8811314D0
GB8811314D0 GB888811314A GB8811314A GB8811314D0 GB 8811314 D0 GB8811314 D0 GB 8811314D0 GB 888811314 A GB888811314 A GB 888811314A GB 8811314 A GB8811314 A GB 8811314A GB 8811314 D0 GB8811314 D0 GB 8811314D0
Authority
GB
United Kingdom
Prior art keywords
electric field
high tension
detecting changes
field surrounding
surrounding high
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.)
Withdrawn
Application number
GB888811314A
Other versions
GB2204704A (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.)
BARFOOT R
Original Assignee
BARFOOT R
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 BARFOOT R filed Critical BARFOOT R
Publication of GB8811314D0 publication Critical patent/GB8811314D0/en
Publication of GB2204704A publication Critical patent/GB2204704A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
    • F02P17/02—Checking or adjusting ignition timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
    • F02P17/12—Testing characteristics of the spark, ignition voltage or current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
GB08811314A 1987-05-15 1988-05-12 Detecting changes in an electric field around a high tension lead Withdrawn GB2204704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878711465A GB8711465D0 (en) 1987-05-15 1987-05-15 Gas discharge tubes

Publications (2)

Publication Number Publication Date
GB8811314D0 true GB8811314D0 (en) 1988-06-15
GB2204704A GB2204704A (en) 1988-11-16

Family

ID=10617370

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878711465A Pending GB8711465D0 (en) 1987-05-15 1987-05-15 Gas discharge tubes
GB08811314A Withdrawn GB2204704A (en) 1987-05-15 1988-05-12 Detecting changes in an electric field around a high tension lead

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878711465A Pending GB8711465D0 (en) 1987-05-15 1987-05-15 Gas discharge tubes

Country Status (1)

Country Link
GB (2) GB8711465D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB570502A (en) * 1943-08-24 1945-07-10 British Thomson Houston Co Ltd Improvements in and relating to control and testing circuits using gas discharge tubes
DE3467416D1 (en) * 1983-04-06 1987-12-17 Sanki Electronic Ind Apparatus for measuring the electric potential of an electrostatic field

Also Published As

Publication number Publication date
GB8711465D0 (en) 1987-06-17
GB2204704A (en) 1988-11-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)