NL27082C - - Google Patents
Info
- Publication number
- NL27082C NL27082C NL27082DA NL27082C NL 27082 C NL27082 C NL 27082C NL 27082D A NL27082D A NL 27082DA NL 27082 C NL27082 C NL 27082C
- Authority
- NL
- Netherlands
Links
Classifications
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- 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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US668997XA | 1928-01-04 | 1928-01-04 | |
| US303476TA | 1928-01-04 | 1928-01-04 | |
| US244533A US1901577A (en) | 1928-01-04 | 1928-01-04 | Photo-electric tube |
| US621499A US1901578A (en) | 1928-01-04 | 1932-07-08 | Method of preparing photo-electric tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL27082C true NL27082C (en:Method) |
Family
ID=31950755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27082D NL27082C (en:Method) | 1928-01-04 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL27082C (en:Method) |
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0
- NL NL27082D patent/NL27082C/xx active