DE2734402A1 - Verstaerkungsregelung fuer tonfilmkamera - Google Patents
Verstaerkungsregelung fuer tonfilmkameraInfo
- Publication number
- DE2734402A1 DE2734402A1 DE19772734402 DE2734402A DE2734402A1 DE 2734402 A1 DE2734402 A1 DE 2734402A1 DE 19772734402 DE19772734402 DE 19772734402 DE 2734402 A DE2734402 A DE 2734402A DE 2734402 A1 DE2734402 A1 DE 2734402A1
- Authority
- DE
- Germany
- Prior art keywords
- gain control
- control circuit
- time
- circuit
- sound
- 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.)
- Ceased
Links
- 238000011084 recovery Methods 0.000 claims description 42
- 239000003990 capacitor Substances 0.000 claims description 33
- 230000005236 sound signal Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005728 strengthening 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
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
- G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Amplification And Gain Control (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9109776A JPS5317333A (en) | 1976-07-30 | 1976-07-30 | Automatic gain control circuit for simultaneous sound recording cine camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2734402A1 true DE2734402A1 (de) | 1978-02-02 |
Family
ID=14017005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772734402 Ceased DE2734402A1 (de) | 1976-07-30 | 1977-07-29 | Verstaerkungsregelung fuer tonfilmkamera |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4134079A (enExample) |
| JP (1) | JPS5317333A (enExample) |
| DE (1) | DE2734402A1 (enExample) |
| FR (1) | FR2360101A1 (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2921637A1 (de) * | 1978-05-28 | 1979-11-29 | Victor Company Of Japan | Automatische aufzeichnungspegel-steuerschaltung fuer ein magnetbandgeraet |
| DE3004713A1 (de) * | 1979-02-09 | 1980-08-21 | Novanex Automation Nv | Kompressor |
| DE3027715A1 (de) * | 1980-07-19 | 1982-02-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur selbsttaetigen regelung oder begrenzung der dynamik |
| DE3111605A1 (de) * | 1980-03-24 | 1982-03-25 | Sony Corp., Tokyo | Verstaerkungsregelschaltung |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA805415B (en) * | 1979-09-14 | 1981-08-26 | Plessey Overseas | Digitally controlled wide range automatic gain control |
| JPS5723768A (en) * | 1980-07-17 | 1982-02-08 | Fuji Electric Co Ltd | Defrosting operation control of refrigerating plant |
| JPS59104809A (ja) * | 1982-12-08 | 1984-06-16 | Yokogawa Hokushin Electric Corp | 自動利得制御回路 |
| US4691307A (en) * | 1983-01-20 | 1987-09-01 | Shell Oil Company | AGC circuit for televiewer |
| JPH054334Y2 (enExample) * | 1985-07-16 | 1993-02-03 | ||
| GB8921903D0 (en) * | 1989-09-28 | 1990-04-25 | Orbitel Mobile Communications | An amplifier |
| US5710675A (en) * | 1996-05-29 | 1998-01-20 | Western Digital Corporation | Analog-to-digital converter for configuration control |
| US5936470A (en) * | 1997-12-10 | 1999-08-10 | Delco Electronics Corporation | Audio amplifier having linear gain control |
| JP4640948B2 (ja) * | 2004-06-17 | 2011-03-02 | ローム株式会社 | Ａｌｃ付き増幅装置およびそれを用いた電子機器 |
| JP4578169B2 (ja) * | 2004-07-23 | 2010-11-10 | 三洋電機株式会社 | 自動レベル調整回路 |
| US7688050B2 (en) * | 2006-11-01 | 2010-03-30 | Semiconductor Components Industries, Llc | Switching power supply controller with unidirectional transient gain change |
| CN121261656A (zh) * | 2025-12-03 | 2026-01-02 | 四川升华电源科技有限公司 | 负反馈补偿电路 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52661B2 (enExample) * | 1972-01-11 | 1977-01-10 | ||
| JPS499897A (enExample) * | 1972-05-26 | 1974-01-28 |
-
1976
- 1976-07-30 JP JP9109776A patent/JPS5317333A/ja active Pending
-
1977
- 1977-07-29 US US05/820,259 patent/US4134079A/en not_active Expired - Lifetime
- 1977-07-29 FR FR7723524A patent/FR2360101A1/fr active Granted
- 1977-07-29 DE DE19772734402 patent/DE2734402A1/de not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2921637A1 (de) * | 1978-05-28 | 1979-11-29 | Victor Company Of Japan | Automatische aufzeichnungspegel-steuerschaltung fuer ein magnetbandgeraet |
| DE3004713A1 (de) * | 1979-02-09 | 1980-08-21 | Novanex Automation Nv | Kompressor |
| DE3111605A1 (de) * | 1980-03-24 | 1982-03-25 | Sony Corp., Tokyo | Verstaerkungsregelschaltung |
| DE3027715A1 (de) * | 1980-07-19 | 1982-02-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur selbsttaetigen regelung oder begrenzung der dynamik |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2360101B1 (enExample) | 1982-06-18 |
| JPS5317333A (en) | 1978-02-17 |
| US4134079A (en) | 1979-01-09 |
| FR2360101A1 (fr) | 1978-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8131 | Rejection |