GB1482352A - Current direction indicating means - Google Patents

Current direction indicating means

Info

Publication number
GB1482352A
GB1482352A GB1045974A GB1045974A GB1482352A GB 1482352 A GB1482352 A GB 1482352A GB 1045974 A GB1045974 A GB 1045974A GB 1045974 A GB1045974 A GB 1045974A GB 1482352 A GB1482352 A GB 1482352A
Authority
GB
United Kingdom
Prior art keywords
current direction
indicating means
direction indicating
current flow
crypton
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
GB1045974A
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.)
CRYPTON TRIANGLE Ltd
Original Assignee
CRYPTON TRIANGLE Ltd
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 CRYPTON TRIANGLE Ltd filed Critical CRYPTON TRIANGLE Ltd
Priority to GB1045974A priority Critical patent/GB1482352A/en
Publication of GB1482352A publication Critical patent/GB1482352A/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
    • G01R19/14—Indicating direction of current; Indicating polarity of voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

1482352 Indicating direction of current flow CRYPTON-TRIANGLE Ltd 10 Jan 1975 [8 March 1974] 10459/74 Heading G1U At least one light emitting diode is connected as shown so that current flow from left to right, or from right to left may be distinguished. When two LED's are used they may be of different colours. The arrangement is said to be of particular use with I.C. engines, since more efficient ignition is achieved when the centre electrodes of the spark plugs are negative, i.e. act as cathodes.
GB1045974A 1975-01-10 1975-01-10 Current direction indicating means Expired GB1482352A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1045974A GB1482352A (en) 1975-01-10 1975-01-10 Current direction indicating means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1045974A GB1482352A (en) 1975-01-10 1975-01-10 Current direction indicating means

Publications (1)

Publication Number Publication Date
GB1482352A true GB1482352A (en) 1977-08-10

Family

ID=9968257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1045974A Expired GB1482352A (en) 1975-01-10 1975-01-10 Current direction indicating means

Country Status (1)

Country Link
GB (1) GB1482352A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1357715A2 (en) * 2002-04-24 2003-10-29 Demag Cranes & Components GmbH Bus driver for bidirectional two-wire bus systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1357715A2 (en) * 2002-04-24 2003-10-29 Demag Cranes & Components GmbH Bus driver for bidirectional two-wire bus systems
EP1357715A3 (en) * 2002-04-24 2006-02-08 Demag Cranes & Components GmbH Bus driver for bidirectional two-wire bus systems

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Legal Events

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