GB2060963A - Improvements in or relating to amplifiers - Google Patents
Improvements in or relating to amplifiers Download PDFInfo
- Publication number
- GB2060963A GB2060963A GB8032172A GB8032172A GB2060963A GB 2060963 A GB2060963 A GB 2060963A GB 8032172 A GB8032172 A GB 8032172A GB 8032172 A GB8032172 A GB 8032172A GB 2060963 A GB2060963 A GB 2060963A
- Authority
- GB
- United Kingdom
- Prior art keywords
- amplifier
- voltage
- signal
- signals
- linear
- 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.)
- Withdrawn
Links
- 230000007704 transition Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 13
- 238000011156 evaluation Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000009877 rendering Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000004154 testing of material Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792941961 DE2941961A1 (de) | 1979-10-17 | 1979-10-17 | Verfahren zur signalspannungsabhaengigen veraenderung des verstaerkungsfaktors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2060963A true GB2060963A (en) | 1981-05-07 |
Family
ID=6083668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8032172A Withdrawn GB2060963A (en) | 1979-10-17 | 1980-10-06 | Improvements in or relating to amplifiers |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5666915A (de) |
DE (1) | DE2941961A1 (de) |
FR (1) | FR2468254A1 (de) |
GB (1) | GB2060963A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2559974A1 (fr) * | 1984-02-21 | 1985-08-23 | Mine Safety Appliances Co | Circuit de linearisation a point de rupture unique |
EP2636992A1 (de) * | 2012-03-08 | 2013-09-11 | Mitutoyo Corporation | Oberflächentexturmessvorrichtung, Steuerung für ein Oberflächentexturmessgerät und Verfahren zur Steuerung davon |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3227521C2 (de) * | 1982-07-23 | 1984-11-22 | Krautkrämer GmbH, 5000 Köln | Verfahren und Vorrichtung zur zerstörungsfreien Werkstoffprüfung nach dem Ultraschall-Impulsreflektionsverfahren |
JP2859880B2 (ja) * | 1988-10-07 | 1999-02-24 | 株式会社日立製作所 | 可変利得増幅回路 |
US9463117B2 (en) | 2012-08-31 | 2016-10-11 | Oakley, Inc. | Eyewear having multiple ventilation states |
CA2943798C (en) | 2014-03-27 | 2019-08-20 | Oakley, Inc. | Mounting mechanism for eyewear |
WO2017062813A1 (en) | 2015-10-09 | 2017-04-13 | Oakley, Inc. | Headworn supports with passive venting and removable lens |
US9709817B2 (en) | 2015-12-07 | 2017-07-18 | Oakley, Inc. | Eyewear retention devices and methods |
US10156734B2 (en) | 2015-12-08 | 2018-12-18 | Oakley, Inc. | Eyewear traction devices and methods |
US10359642B2 (en) | 2016-04-22 | 2019-07-23 | Oakley, Inc. | Mounting mechanism for eyewear |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2529012C3 (de) * | 1975-06-28 | 1980-07-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur automatischen Dynamik-Kompression oder -Expansion |
DE2619192A1 (de) * | 1976-04-30 | 1977-11-17 | Licentia Gmbh | Schaltung zur automatischen dynamik-kompression oder -expansion |
DE2812431A1 (de) * | 1978-03-22 | 1979-09-27 | Licentia Gmbh | Verstaerker mit veraenderbarem uebertragungsmass |
DD140100A1 (de) * | 1978-11-27 | 1980-02-06 | Ralph Altmann | Schaltungsanordnung zur steuerung einer verstaerkung |
-
1979
- 1979-10-17 DE DE19792941961 patent/DE2941961A1/de not_active Withdrawn
-
1980
- 1980-09-25 JP JP13364180A patent/JPS5666915A/ja active Pending
- 1980-10-06 GB GB8032172A patent/GB2060963A/en not_active Withdrawn
- 1980-10-17 FR FR8022332A patent/FR2468254A1/fr not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2559974A1 (fr) * | 1984-02-21 | 1985-08-23 | Mine Safety Appliances Co | Circuit de linearisation a point de rupture unique |
EP2636992A1 (de) * | 2012-03-08 | 2013-09-11 | Mitutoyo Corporation | Oberflächentexturmessvorrichtung, Steuerung für ein Oberflächentexturmessgerät und Verfahren zur Steuerung davon |
US9151589B2 (en) | 2012-03-08 | 2015-10-06 | Mitutoyo Corporation | Surface texture measurement device, controller for surface texture measurement device, and method for controlling the same |
Also Published As
Publication number | Publication date |
---|---|
DE2941961A1 (de) | 1981-04-30 |
FR2468254A1 (fr) | 1981-04-30 |
JPS5666915A (en) | 1981-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |