FR2173207A1 - - Google Patents
Info
- Publication number
- FR2173207A1 FR2173207A1 FR7306353A FR7306353A FR2173207A1 FR 2173207 A1 FR2173207 A1 FR 2173207A1 FR 7306353 A FR7306353 A FR 7306353A FR 7306353 A FR7306353 A FR 7306353A FR 2173207 A1 FR2173207 A1 FR 2173207A1
- Authority
- FR
- France
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—Dc amplifiers in which all stages are dc-coupled
- H03F3/343—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only
- H03F3/347—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only in integrated circuits
-
- 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
- G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
-
- 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
- G01R19/12—Measuring rate of change
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB810272A GB1414985A (en) | 1972-02-22 | 1972-02-22 | Current measurement |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2173207A1 true FR2173207A1 (en) | 1973-10-05 |
Family
ID=9845808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7306353A Withdrawn FR2173207A1 (en) | 1972-02-22 | 1973-02-22 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4897575A (en) |
BE (1) | BE795784A (en) |
DE (1) | DE2308788A1 (en) |
FR (1) | FR2173207A1 (en) |
GB (1) | GB1414985A (en) |
NL (1) | NL7302437A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2325047A1 (en) * | 1975-09-16 | 1977-04-15 | Seiko Instr & Electronics | VOLTAGE SENSOR CIRCUIT FOR ENERGY SUPPLY SOURCE |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0559332U (en) * | 1992-01-17 | 1993-08-06 | 株式会社アドバンテスト | Micro current measuring device |
SI21892A (en) | 2004-09-29 | 2006-04-30 | Vinko Kunc | Procedure and circuit for measuring extremely low electric currents |
DE102009022135A1 (en) | 2009-05-20 | 2010-11-25 | Universität Osnabrück | Switch arrangement for measuring e.g. direct current to detect and control current flow in lamp, has control and evaluation device determining average current value from measuring current based on measured voltage |
GB2564872A (en) * | 2017-07-25 | 2019-01-30 | Quepal Ltd | Measurement of instantaneous current |
IT201900013065A1 (en) * | 2019-07-26 | 2021-01-26 | Eldor Corp Spa | Power supply system with protection against current variations |
-
0
- BE BE795784D patent/BE795784A/en unknown
-
1972
- 1972-02-22 GB GB810272A patent/GB1414985A/en not_active Expired
-
1973
- 1973-02-21 NL NL7302437A patent/NL7302437A/xx not_active Application Discontinuation
- 1973-02-22 FR FR7306353A patent/FR2173207A1/fr not_active Withdrawn
- 1973-02-22 JP JP2169373A patent/JPS4897575A/ja active Pending
- 1973-02-22 DE DE19732308788 patent/DE2308788A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2325047A1 (en) * | 1975-09-16 | 1977-04-15 | Seiko Instr & Electronics | VOLTAGE SENSOR CIRCUIT FOR ENERGY SUPPLY SOURCE |
Also Published As
Publication number | Publication date |
---|---|
BE795784A (en) | 1973-06-18 |
NL7302437A (en) | 1973-08-24 |
DE2308788A1 (en) | 1973-08-30 |
GB1414985A (en) | 1975-11-26 |
JPS4897575A (en) | 1973-12-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |