FR66176E - Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f. - Google Patents
Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f.Info
- Publication number
- FR66176E FR66176E FR66176DA FR66176E FR 66176 E FR66176 E FR 66176E FR 66176D A FR66176D A FR 66176DA FR 66176 E FR66176 E FR 66176E
- Authority
- FR
- France
- Prior art keywords
- indicating
- electrical voltage
- tuning
- optical
- indicating device
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/14—Magic-eye or analogous tuning indicators
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL14589D DE931602C (en) | 1953-02-03 | 1953-02-03 | Arrangement for the optical display of the tuning of receiving circuits for frequency-modulated oscillations |
Publications (1)
Publication Number | Publication Date |
---|---|
FR66176E true FR66176E (en) | 1956-05-17 |
Family
ID=25948123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR66176D Expired FR66176E (en) | 1953-02-03 | 1954-02-03 | Optical indicating device for electrical voltage, in particular for indicating tuning in t.s.f. |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE931602C (en) |
FR (1) | FR66176E (en) |
GB (1) | GB777713A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1036403B (en) * | 1956-07-07 | 1958-08-14 | Egyesuelt Izzolampa | Voting indicator tubes |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE724219C (en) * | 1938-01-20 | 1942-08-20 | Telefunken Gmbh | Voting display device for recipients |
-
1953
- 1953-02-03 DE DEL14589D patent/DE931602C/en not_active Expired
-
1954
- 1954-01-29 GB GB2750/54A patent/GB777713A/en not_active Expired
- 1954-02-03 FR FR66176D patent/FR66176E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE931602C (en) | 1955-08-11 |
GB777713A (en) | 1957-06-26 |
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