FR999249A - - Google Patents
Info
- Publication number
- FR999249A FR999249A FR999249DA FR999249A FR 999249 A FR999249 A FR 999249A FR 999249D A FR999249D A FR 999249DA FR 999249 A FR999249 A FR 999249A
- Authority
- FR
- France
- 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
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
- H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR999249A true FR999249A (sv) | 1952-01-29 |
Family
ID=1567203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR999249D Expired FR999249A (sv) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR999249A (sv) |
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0
- FR FR999249D patent/FR999249A/fr not_active Expired