NL30725C - - Google Patents
Info
- Publication number
- NL30725C NL30725C NL30725DA NL30725C NL 30725 C NL30725 C NL 30725C NL 30725D A NL30725D A NL 30725DA NL 30725 C NL30725 C NL 30725C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/003—Tubes with plural electrode systems
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL75181D DE723676C (de) | 1929-05-23 | 1929-05-23 | Getteranordnung fuer Mehrsystemroehre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30725C true NL30725C (https=) |
Family
ID=7283652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30725D NL30725C (https=) | 1929-05-23 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE723676C (https=) |
| GB (1) | GB356109A (https=) |
| NL (1) | NL30725C (https=) |
-
0
- NL NL30725D patent/NL30725C/xx active
-
1929
- 1929-05-23 DE DEL75181D patent/DE723676C/de not_active Expired
-
1930
- 1930-05-22 GB GB1583830A patent/GB356109A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB356109A (https=) | 1931-08-24 |
| DE723676C (de) | 1942-08-08 |