NL49397C - - Google Patents
Info
- Publication number
- NL49397C NL49397C NL49397DA NL49397C NL 49397 C NL49397 C NL 49397C NL 49397D A NL49397D A NL 49397DA NL 49397 C NL49397 C NL 49397C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| US112462A US2159802A (en) | 1936-11-24 | 1936-11-24 | Tuning indicator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49397C true NL49397C (https=) |
Family
ID=22344021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49397D NL49397C (https=) | 1936-11-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2159802A (https=) |
| CH (1) | CH201428A (https=) |
| GB (2) | GB506390A (https=) |
| NL (1) | NL49397C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2468082A (en) * | 1942-09-12 | 1949-04-26 | Int Standard Electric Corp | Thermistor circuit compensating for supply voltage fluctuations |
-
0
- NL NL49397D patent/NL49397C/xx active
-
1936
- 1936-11-24 US US112462A patent/US2159802A/en not_active Expired - Lifetime
-
1937
- 1937-11-22 CH CH201428D patent/CH201428A/de unknown
- 1937-11-24 GB GB32394/37A patent/GB506390A/en not_active Expired
-
1938
- 1938-10-27 GB GB31159/38A patent/GB520784A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2159802A (en) | 1939-05-23 |
| GB520784A (en) | 1940-05-03 |
| CH201428A (de) | 1938-11-30 |
| GB506390A (en) | 1939-05-24 |