GB1540784A - Checking apparatus for electrical circuits - Google Patents
Checking apparatus for electrical circuitsInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/16—Conversion of dc power input into dc power output without intermediate conversion into ac by dynamic converters
- H02M3/18—Conversion 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing 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)
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)
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)
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 |
-
1976
- 1976-09-23 FR FR7628570A patent/FR2365804A1/fr active Granted
-
1977
- 1977-06-20 ES ES459916A patent/ES459916A1/es not_active Expired
- 1977-09-07 IT IT2733277A patent/IT1084224B/it active
- 1977-09-22 DE DE19772742646 patent/DE2742646C3/de not_active Expired
- 1977-09-23 GB GB3993377A patent/GB1540784A/en not_active Expired
Cited By (1)
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 |