DE2248502A1 - Elektrisches messgeraet - Google Patents
Elektrisches messgeraetInfo
- Publication number
- DE2248502A1 DE2248502A1 DE19722248502 DE2248502A DE2248502A1 DE 2248502 A1 DE2248502 A1 DE 2248502A1 DE 19722248502 DE19722248502 DE 19722248502 DE 2248502 A DE2248502 A DE 2248502A DE 2248502 A1 DE2248502 A1 DE 2248502A1
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- measuring
- analog signal
- signal
- output
- 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.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 3
- 230000015556 catabolic process Effects 0.000 claims 1
- 208000003580 polydactyly Diseases 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 24
- 238000005259 measurement Methods 0.000 description 8
- 230000010354 integration Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005669 field effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical compound C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 description 1
- 239000005441 aurora Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Current Or Voltage (AREA)
- Analogue/Digital Conversion (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18600671A | 1971-10-04 | 1971-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2248502A1 true DE2248502A1 (de) | 1973-04-12 |
Family
ID=22683280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722248502 Pending DE2248502A1 (de) | 1971-10-04 | 1972-10-03 | Elektrisches messgeraet |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3790886A (OSRAM) |
| JP (1) | JPS4845164A (OSRAM) |
| DE (1) | DE2248502A1 (OSRAM) |
| FR (1) | FR2155979A1 (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3965418A (en) * | 1973-11-01 | 1976-06-22 | Wiltron Company | Telephone system testing apparatus and techniques utilizing central measuring equipment with a plurality of remote test stations |
| US4078233A (en) * | 1974-01-03 | 1978-03-07 | Frye G J | Analog to digital converter circuit with gain ranging feedback |
| US4238784A (en) * | 1975-01-23 | 1980-12-09 | Colt Industries Operating Corp. | Electronic measuring system with pulsed power supply and stability sensing |
| US3958178A (en) * | 1975-02-11 | 1976-05-18 | The United States Of America As Represented By The United States Energy Research And Development Administration | Automatic ranging circuit for a digital panel meter |
| US4016557A (en) * | 1975-05-08 | 1977-04-05 | Westinghouse Electric Corporation | Automatic gain controlled amplifier apparatus |
| JPS524859A (en) * | 1975-07-01 | 1977-01-14 | Seiko Epson Corp | Digital circuit |
| US4605920A (en) * | 1983-03-02 | 1986-08-12 | Beckman Instruments, Inc. | Prescaling device and method |
| CH665027A5 (de) * | 1984-09-06 | 1988-04-15 | Mettler Instrumente Ag | Verfahren zur messung und digitalisierung eines widerstandes und schaltung zur durchfuehrung des verfahrens. |
| US4596977A (en) * | 1984-12-03 | 1986-06-24 | Honeywell Inc. | Dual slope analog to digital converter with out-of-range reset |
| DE3511592A1 (de) * | 1985-03-27 | 1986-10-02 | CREATEC Gesellschaft für Elektrotechnik mbH, 1000 Berlin | Signalverarbeitungsgeraet |
| US4906928A (en) * | 1988-12-29 | 1990-03-06 | Atlantic Richfield Company | Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers |
| US4942401A (en) * | 1989-02-24 | 1990-07-17 | John Fluke Mfg. Co., Inc. | Analog to digital conversion with charge balanced voltage to frequency converter having polarity responsive offset |
| US5119019A (en) * | 1989-11-28 | 1992-06-02 | John Fluke Mfg. Co., Inc. | Automatic function selecting multimeter |
| FR2656930B1 (fr) * | 1990-01-05 | 1992-10-02 | Alcatel Radiotelephone | Circuit de mesure numerique d'un signal electrique. |
| US5142221A (en) * | 1990-11-23 | 1992-08-25 | John Fluke Mfg. Co., Inc. | Automatic function selecting multimeter |
| US5170166A (en) * | 1990-11-26 | 1992-12-08 | Fujikura Ltd. | Range switching device for analog to digital conversion |
| US5148171A (en) * | 1991-07-25 | 1992-09-15 | Hewlett-Packard Company | Multislope continuously integrating analog to digital converter |
| US5396168A (en) * | 1992-03-27 | 1995-03-07 | Tandy Corporation | Digital multimeter with microprocessor control |
| US5448239A (en) * | 1994-02-25 | 1995-09-05 | Hewlett-Packard Company | Analog-to-digital converter |
| WO2008021241A2 (en) * | 2006-08-11 | 2008-02-21 | Entegris, Inc. | Auto ranging system and method for an analog signal |
| GB2479156B (en) * | 2010-03-30 | 2012-11-21 | Univ Newcastle | Apparatus and method for voltage sensing |
| CN118316421B (zh) * | 2024-06-11 | 2024-10-15 | 西安轻工业钟表研究所有限公司 | 一种可调的大功率方波波形发生系统及方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3051939A (en) * | 1957-05-08 | 1962-08-28 | Daystrom Inc | Analog-to-digital converter |
| GB1057696A (en) * | 1964-08-24 | 1967-02-08 | Solartron Electronic Group | Improvements in digital voltmeters |
| US3500384A (en) * | 1966-12-30 | 1970-03-10 | Singer General Precision | Charge gated analog-to-digital converter |
| US3566397A (en) * | 1969-01-15 | 1971-02-23 | Ibm | Dual slope analog to digital converter |
-
1971
- 1971-10-04 US US00186006A patent/US3790886A/en not_active Expired - Lifetime
-
1972
- 1972-10-03 DE DE19722248502 patent/DE2248502A1/de active Pending
- 1972-10-03 FR FR7234966A patent/FR2155979A1/fr not_active Withdrawn
- 1972-10-04 JP JP47099151A patent/JPS4845164A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3790886A (en) | 1974-02-05 |
| JPS4845164A (OSRAM) | 1973-06-28 |
| FR2155979A1 (OSRAM) | 1973-05-25 |
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|---|---|---|
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |