CH215789A - Indikatorröhrenschaltung. - Google Patents
Indikatorröhrenschaltung.Info
- Publication number
- CH215789A CH215789A CH215789DA CH215789A CH 215789 A CH215789 A CH 215789A CH 215789D A CH215789D A CH 215789DA CH 215789 A CH215789 A CH 215789A
- Authority
- CH
- Switzerland
- Prior art keywords
- tube circuit
- indicator tube
- indicator
- circuit
- tube
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
- H03J3/14—Visual indication, e.g. magic eye
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1938R0102921 DE698645C (de) | 1938-07-26 | 1938-07-26 | Schaltung eines Elektronenstrahlindikators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH215789A true CH215789A (de) | 1941-07-15 |
Family
ID=5825804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH215789D CH215789A (de) | 1938-07-26 | 1939-07-24 | Indikatorröhrenschaltung. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2259873A (enEXAMPLES) |
| BE (1) | BE435633A (enEXAMPLES) |
| CH (1) | CH215789A (enEXAMPLES) |
| DE (1) | DE698645C (enEXAMPLES) |
| FR (1) | FR858238A (enEXAMPLES) |
| GB (1) | GB531448A (enEXAMPLES) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL66622C (enEXAMPLES) * | 1944-07-15 | |||
| US2552586A (en) * | 1947-02-19 | 1951-05-15 | Thomas A Read | Automatic volume control |
| DE925181C (de) * | 1952-10-10 | 1955-03-14 | Siemens Ag | Schaltungsanordnung fuer Abstimmanzeigeroehren, insbesondere in Rundfunk- und Fernsehempfaengern |
| US3174072A (en) * | 1961-03-16 | 1965-03-16 | Motorola Inc | Recording level indicator and circuit |
-
1938
- 1938-07-26 DE DE1938R0102921 patent/DE698645C/de not_active Expired
-
1939
- 1939-03-28 US US264526A patent/US2259873A/en not_active Expired - Lifetime
- 1939-07-22 GB GB21376/39A patent/GB531448A/en not_active Expired
- 1939-07-24 CH CH215789D patent/CH215789A/de unknown
- 1939-07-25 FR FR858238D patent/FR858238A/fr not_active Expired
- 1939-07-25 BE BE435633D patent/BE435633A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR858238A (fr) | 1940-11-20 |
| DE698645C (de) | 1940-11-14 |
| BE435633A (enEXAMPLES) | 1939-08-31 |
| GB531448A (en) | 1941-01-03 |
| US2259873A (en) | 1941-10-21 |
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