CA1041216A - Automatic gain control - Google Patents
Automatic gain controlInfo
- Publication number
- CA1041216A CA1041216A CA222,471A CA222471A CA1041216A CA 1041216 A CA1041216 A CA 1041216A CA 222471 A CA222471 A CA 222471A CA 1041216 A CA1041216 A CA 1041216A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- varying amplitude
- amplitude signal
- maximum
- biased
- 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
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000000007 visual effect Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 12
- 230000000087 stabilizing effect Effects 0.000 abstract 3
- 238000010894 electron beam technology Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 6
- 238000011835 investigation Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 101150087426 Gnal gene Proteins 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000386 microscopy Methods 0.000 description 2
- 101150034533 ATIC gene Proteins 0.000 description 1
- 241000272470 Circus Species 0.000 description 1
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 235000018734 Sambucus australis Nutrition 0.000 description 1
- 244000180577 Sambucus australis Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- BBBFJLBPOGFECG-VJVYQDLKSA-N calcitonin Chemical compound N([C@H](C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)NCC(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)N1[C@@H](CCC1)C(N)=O)C(C)C)C(=O)[C@@H]1CSSC[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(=O)N1 BBBFJLBPOGFECG-VJVYQDLKSA-N 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
- H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Closed-Circuit Television Systems (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/463,496 US3987242A (en) | 1974-04-24 | 1974-04-24 | Automatic dc restorer and gain control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1041216A true CA1041216A (en) | 1978-10-24 |
Family
ID=23840302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA222,471A Expired CA1041216A (en) | 1974-04-24 | 1975-03-19 | Automatic gain control |
Country Status (5)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4516152A (en) * | 1983-05-23 | 1985-05-07 | Rca Corporation | Video signal processor with automatic kinescope white balance and beam current limiter control systems |
| JP2602287B2 (ja) * | 1988-07-01 | 1997-04-23 | 株式会社日立製作所 | Ｘ線マスクの欠陥検査方法及びその装置 |
| US5148280A (en) * | 1990-08-06 | 1992-09-15 | Thomson Consumer Electronics, Inc. | Stereo fm radio in a television receiver |
| US5146337A (en) * | 1990-08-06 | 1992-09-08 | Thomson Consumer Electronics, Inc | Using a first IF of 43.5 MHZ or less in an FM radio in a television tuner |
| US5146338A (en) * | 1990-08-06 | 1992-09-08 | Thomson Consumer Electronics, Inc. | Fixed rf agc of a television tuner for fm reception in a television receiver |
| US5390020A (en) * | 1992-09-14 | 1995-02-14 | Eastman Kodak Company | Video amplifier stabilization for CRT printing |
| EP1760762B1 (en) * | 2005-09-06 | 2012-02-01 | ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | Device and method for selecting an emission area of an emission pattern |
| JP4621098B2 (ja) * | 2005-09-14 | 2011-01-26 | 株式会社日立ハイテクノロジーズ | 走査型電子顕微鏡および画像信号処理方法 |
| US7940105B2 (en) * | 2008-08-08 | 2011-05-10 | Beckman Coulter, Inc. | High-resolution parametric signal restoration |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2850627A (en) * | 1952-12-08 | 1958-09-02 | Philco Corp | System for maintaining predetermined portions of a signal at a predetermined value |
| US3179743A (en) * | 1959-03-27 | 1965-04-20 | Rca Corp | Television brightness and contrast control circuit |
| US3515803A (en) * | 1967-06-28 | 1970-06-02 | Magnavox Co | Contrast range control |
| US3578908A (en) * | 1968-12-05 | 1971-05-18 | Cohu Electronics Inc | Automatic peak video control system |
| US3597540A (en) * | 1969-04-01 | 1971-08-03 | Motorola Inc | Automatic brightness control responsive to black level of video signal |
| GB1400427A (en) * | 1971-11-08 | 1975-07-16 | Rca Corp | Video signal processing apparatus |
| US3886305A (en) * | 1972-04-24 | 1975-05-27 | Etec Corp | Automatic contrast and dark level control for scanning electron microscopes |
-
1974
- 1974-04-24 US US05/463,496 patent/US3987242A/en not_active Expired - Lifetime
-
1975
- 1975-03-19 CA CA222,471A patent/CA1041216A/en not_active Expired
- 1975-04-08 DE DE19752515322 patent/DE2515322A1/de not_active Withdrawn
- 1975-04-17 GB GB15933/75A patent/GB1502685A/en not_active Expired
- 1975-04-24 JP JP50049201A patent/JPS50147663A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3987242A (en) | 1976-10-19 |
| GB1502685A (en) | 1978-03-01 |
| DE2515322A1 (de) | 1975-11-06 |
| JPS50147663A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-26 |
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