GB1540784A - Checking apparatus for electrical circuits - Google Patents

Checking apparatus for electrical circuits

Info

Publication number
GB1540784A
GB1540784A GB3993377A GB3993377A GB1540784A GB 1540784 A GB1540784 A GB 1540784A GB 3993377 A GB3993377 A GB 3993377A GB 3993377 A GB3993377 A GB 3993377A GB 1540784 A GB1540784 A GB 1540784A
Authority
GB
United Kingdom
Prior art keywords
electrical circuits
checking apparatus
checking
circuits
electrical
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
GB3993377A
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.)
IPA ANSTALT
Original Assignee
IPA ANSTALT
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 IPA ANSTALT filed Critical IPA ANSTALT
Publication of GB1540784A publication Critical patent/GB1540784A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/16Conversion of dc power input into dc power output without intermediate conversion into ac by dynamic converters
    • H02M3/18Conversion of dc power input into dc power output without intermediate conversion into ac by dynamic converters using capacitors or batteries which are alternately charged and discharged, e.g. charged in parallel and discharged in series
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145Indicating the presence of current or voltage
    • G01R19/155Indicating the presence of voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/44Testing lamps

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB3993377A 1976-09-23 1977-09-23 Checking apparatus for electrical circuits Expired GB1540784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7628570A FR2365804A1 (fr) 1976-09-23 1976-09-23 Indicateur de tension a tube luminescent avec circuit de controle incorpore

Publications (1)

Publication Number Publication Date
GB1540784A true GB1540784A (en) 1979-02-14

Family

ID=9177990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3993377A Expired GB1540784A (en) 1976-09-23 1977-09-23 Checking apparatus for electrical circuits

Country Status (5)

Country Link
DE (1) DE2742646C3 (de)
ES (1) ES459916A1 (de)
FR (1) FR2365804A1 (de)
GB (1) GB1540784A (de)
IT (1) IT1084224B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100354637C (zh) * 2003-09-09 2007-12-12 华为技术有限公司 测试电路及其测试方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036202B3 (de) * 2005-08-02 2007-01-04 Atlas Elektronik Gmbh Vorrichtung zur Überwachung der Ladespannung eines Energiespeichers
DE102010042153A1 (de) * 2010-10-07 2012-04-12 Siemens Aktiengesellschaft Spannungswandler mit mindestens einem elektro-mechanisch wirkenden Schalter und entsprechendes Verfahren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100354637C (zh) * 2003-09-09 2007-12-12 华为技术有限公司 测试电路及其测试方法

Also Published As

Publication number Publication date
DE2742646B2 (de) 1980-04-24
IT1084224B (it) 1985-05-25
FR2365804B1 (de) 1981-06-19
ES459916A1 (es) 1978-05-16
FR2365804A1 (fr) 1978-04-21
DE2742646C3 (de) 1980-12-18
DE2742646A1 (de) 1978-03-30

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Legal Events

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