NL49955C - - Google Patents
Info
- Publication number
- NL49955C NL49955C NL49955DA NL49955C NL 49955 C NL49955 C NL 49955C NL 49955D A NL49955D A NL 49955DA NL 49955 C NL49955 C NL 49955C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/76—Dynamic electron-multiplier tubes, e.g. Farnsworth multiplier tube, multipactor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/32—Anodes
- H01J19/36—Cooling of anodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0027—Mitigation of temperature effects
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US485620XA | 1936-01-27 | 1936-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49955C true NL49955C (en) |
Family
ID=21955254
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL80934D NL80934B (en) | 1936-01-27 | ||
| NL49955D NL49955C (en) | 1936-01-27 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL80934D NL80934B (en) | 1936-01-27 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE419664A (en) |
| DE (1) | DE681990C (en) |
| FR (1) | FR816943A (en) |
| GB (1) | GB485620A (en) |
| NL (2) | NL49955C (en) |
| SE (1) | SE104482C1 (en) |
-
0
- NL NL80934D patent/NL80934B/xx unknown
- BE BE419664D patent/BE419664A/xx unknown
- NL NL49955D patent/NL49955C/xx active
-
1936
- 1936-11-18 GB GB31646/36A patent/GB485620A/en not_active Expired
-
1937
- 1937-01-21 SE SE236239A patent/SE104482C1/xx unknown
- 1937-01-22 DE DEF82357D patent/DE681990C/en not_active Expired
- 1937-01-27 FR FR816943D patent/FR816943A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB485620A (en) | 1938-05-18 |
| NL80934B (en) | |
| FR816943A (en) | 1937-08-20 |
| DE681990C (en) | 1939-10-09 |
| BE419664A (en) | |
| SE104482C1 (en) | 1942-05-12 |