BE717840A - - Google Patents
Info
- Publication number
- BE717840A BE717840A BE717840DA BE717840A BE 717840 A BE717840 A BE 717840A BE 717840D A BE717840D A BE 717840DA BE 717840 A BE717840 A BE 717840A
- 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
- H01J40/02—Details
- H01J40/04—Electrodes
- H01J40/06—Photo-emissive cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64845967A | 1967-06-23 | 1967-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE717840A true BE717840A (en:Method) | 1969-01-10 |
Family
ID=24600857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE717840D BE717840A (en:Method) | 1967-06-23 | 1968-07-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3445709A (en:Method) |
| BE (1) | BE717840A (en:Method) |
| DE (1) | DE1764538A1 (en:Method) |
| FR (1) | FR1580311A (en:Method) |
| GB (1) | GB1220736A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59120983A (ja) * | 1982-12-28 | 1984-07-12 | Matsushita Electric Works Ltd | 太陽電池時計 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2254422A (en) * | 1936-05-27 | 1941-09-02 | Gabor Dennis | Electron multiplier |
| US2538588A (en) * | 1948-06-23 | 1951-01-16 | Continental Electric Company | Photocell |
| GB657564A (en) * | 1948-11-11 | 1951-09-19 | Nat Res Dev | Improvements in or relating to infra-red sensitive cells |
| US2678400A (en) * | 1950-12-30 | 1954-05-11 | Bell Telephone Labor Inc | Photomultiplier utilizing bombardment induced conductivity |
| NL235195A (en:Method) * | 1958-01-18 | |||
| US3082342A (en) * | 1959-02-11 | 1963-03-19 | Philips Corp | Photo-electric tube |
| US3060338A (en) * | 1959-10-20 | 1962-10-23 | Philco Corp | Photoconductor device |
| NL264400A (en:Method) * | 1960-05-05 | |||
| NL294533A (en:Method) * | 1962-06-26 | |||
| US3317738A (en) * | 1963-12-12 | 1967-05-02 | Licentia Gmbh | Photoelectric scanning arrangement using light conducting rod with fluorescent portion |
| US3299306A (en) * | 1964-07-23 | 1967-01-17 | Optics Technology Inc | Phototube having a photocathode adapted to absorb substantially all the light energyreceived |
-
1967
- 1967-06-23 US US648459A patent/US3445709A/en not_active Expired - Lifetime
-
1968
- 1968-06-21 GB GB29771/68A patent/GB1220736A/en not_active Expired
- 1968-06-21 FR FR1580311D patent/FR1580311A/fr not_active Expired
- 1968-06-22 DE DE19681764538 patent/DE1764538A1/de active Pending
- 1968-07-10 BE BE717840D patent/BE717840A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1220736A (en) | 1971-01-27 |
| DE1764538A1 (de) | 1971-08-05 |
| FR1580311A (en:Method) | 1969-09-05 |
| US3445709A (en) | 1969-05-20 |