FR1143164A - Electrical communication system - Google Patents
Electrical communication systemInfo
- Publication number
- FR1143164A FR1143164A FR1143164DA FR1143164A FR 1143164 A FR1143164 A FR 1143164A FR 1143164D A FR1143164D A FR 1143164DA FR 1143164 A FR1143164 A FR 1143164A
- Authority
- FR
- France
- Prior art keywords
- communication system
- electrical communication
- electrical
- communication
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1143164X | 1954-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1143164A true FR1143164A (en) | 1957-09-27 |
Family
ID=20420884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1143164D Expired FR1143164A (en) | 1954-11-29 | 1955-11-28 | Electrical communication system |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1143164A (en) |
-
1955
- 1955-11-28 FR FR1143164D patent/FR1143164A/en not_active Expired
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