DE2649352A1 - Einrichtung zur uebertragung und/oder speicherung von tonsignalen - Google Patents
Einrichtung zur uebertragung und/oder speicherung von tonsignalenInfo
- Publication number
- DE2649352A1 DE2649352A1 DE19762649352 DE2649352A DE2649352A1 DE 2649352 A1 DE2649352 A1 DE 2649352A1 DE 19762649352 DE19762649352 DE 19762649352 DE 2649352 A DE2649352 A DE 2649352A DE 2649352 A1 DE2649352 A1 DE 2649352A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- gain control
- capacitor
- amplitude
- memory
- 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
- 230000015654 memory Effects 0.000 title claims abstract description 8
- 230000005236 sound signal Effects 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000007787 long-term memory Effects 0.000 claims abstract description 5
- 230000005669 field effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001960 triggered effect Effects 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 |
|---|---|---|---|
| CH1088076A CH599714A5 (da) | 1976-08-27 | 1976-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2649352A1 true DE2649352A1 (de) | 1978-03-02 |
Family
ID=4367797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762649352 Pending DE2649352A1 (de) | 1976-08-27 | 1976-10-29 | Einrichtung zur uebertragung und/oder speicherung von tonsignalen |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5348442A (da) |
| CH (1) | CH599714A5 (da) |
| DE (1) | DE2649352A1 (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH639623A5 (de) * | 1979-06-23 | 1983-11-30 | Winkler Duennebier Kg Masch | Einrichtung zum transportieren von flaechenhaften teilen, insbesondere papierblaettern, karten, brief- oder versandhuellen. |
-
1976
- 1976-08-27 CH CH1088076A patent/CH599714A5/xx not_active IP Right Cessation
- 1976-10-29 DE DE19762649352 patent/DE2649352A1/de active Pending
-
1977
- 1977-08-25 JP JP10215877A patent/JPS5348442A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5348442A (en) | 1978-05-01 |
| CH599714A5 (da) | 1978-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |