BE444579A - - Google Patents
Info
- Publication number
- BE444579A BE444579A BE444579DA BE444579A BE 444579 A BE444579 A BE 444579A BE 444579D A BE444579D A BE 444579DA BE 444579 A BE444579 A BE 444579A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Spark Plugs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL234661X | 1941-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE444579A true BE444579A (en(2012)) |
Family
ID=19780195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE444579D BE444579A (en(2012)) | 1941-02-24 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE444579A (en(2012)) |
| CH (1) | CH234661A (en(2012)) |
| FR (1) | FR881539A (en(2012)) |
-
0
- BE BE444579D patent/BE444579A/xx unknown
-
1942
- 1942-02-24 CH CH234661D patent/CH234661A/de unknown
- 1942-04-25 FR FR881539D patent/FR881539A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR881539A (fr) | 1943-04-28 |
| CH234661A (de) | 1944-10-15 |