BE443535A - - Google Patents
Info
- Publication number
- BE443535A BE443535A BE443535DA BE443535A BE 443535 A BE443535 A BE 443535A BE 443535D A BE443535D A BE 443535DA BE 443535 A BE443535 A BE 443535A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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 |
|---|---|---|---|
| US334311A US2273142A (en) | 1940-05-10 | 1940-05-10 | Visual tuning indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443535A true BE443535A (de) |
Family
ID=23306632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443535D BE443535A (de) | 1940-05-10 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2273142A (de) |
| BE (1) | BE443535A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE501568A (de) * | 1940-07-23 | |||
| US2515456A (en) * | 1946-03-20 | 1950-07-18 | Socony Vacuum Oil Co Inc | Modulation-free gain control system |
| US2799790A (en) * | 1951-05-19 | 1957-07-16 | Int Standard Electric Corp | Multi-range voltage indicating valve |
| US2994575A (en) * | 1956-10-22 | 1961-08-01 | Bell & Howell Co | Electrical indicating apparatus |
-
0
- BE BE443535D patent/BE443535A/xx unknown
-
1940
- 1940-05-10 US US334311A patent/US2273142A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2273142A (en) | 1942-02-17 |