BE488137A - - Google Patents
Info
- Publication number
- BE488137A BE488137A BE488137DA BE488137A BE 488137 A BE488137 A BE 488137A BE 488137D A BE488137D A BE 488137DA BE 488137 A BE488137 A BE 488137A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17636A US2540490A (en) | 1948-03-29 | 1948-03-29 | Electron device with semiconductive target |
US179411A US2749471A (en) | 1948-03-29 | 1950-08-14 | Electron device with semi-conductive target |
Publications (1)
Publication Number | Publication Date |
---|---|
BE488137A true BE488137A (zh) |
Family
ID=26690134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE488137D BE488137A (zh) | 1948-03-29 |
Country Status (2)
Country | Link |
---|---|
US (1) | US2749471A (zh) |
BE (1) | BE488137A (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE569673A (zh) * | 1954-10-04 | |||
GB840763A (en) * | 1955-08-17 | 1960-07-13 | Emi Ltd | Improvements in light sensitive targets |
US2891169A (en) * | 1955-09-02 | 1959-06-16 | Rca Corp | Electroluminescent device to give negative pictures |
US3067486A (en) * | 1957-06-20 | 1962-12-11 | Itt | Target electrode for barrier grid storage tube and method of making same |
US3546526A (en) * | 1967-04-18 | 1970-12-08 | Itt | Electron discharge device having coaxial mounting structure |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1747988A (en) * | 1925-05-27 | 1930-02-18 | Gen Electric | Transmission of pictures and views |
NL45505C (zh) * | 1935-09-24 | 1900-01-01 | ||
BE486036A (zh) * | 1948-01-29 | |||
US2540490A (en) * | 1948-03-29 | 1951-02-06 | Philips Lab Inc | Electron device with semiconductive target |
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0
- BE BE488137D patent/BE488137A/xx unknown
-
1950
- 1950-08-14 US US179411A patent/US2749471A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2749471A (en) | 1956-06-05 |