JPH0292643U - - Google Patents
Info
- Publication number
- JPH0292643U JPH0292643U JP141489U JP141489U JPH0292643U JP H0292643 U JPH0292643 U JP H0292643U JP 141489 U JP141489 U JP 141489U JP 141489 U JP141489 U JP 141489U JP H0292643 U JPH0292643 U JP H0292643U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- heater
- electron tube
- cylindrical
- protrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000945 filler Substances 0.000 claims 1
Landscapes
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP141489U JPH0292643U (cs) | 1989-01-09 | 1989-01-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP141489U JPH0292643U (cs) | 1989-01-09 | 1989-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0292643U true JPH0292643U (cs) | 1990-07-23 |
Family
ID=31201279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP141489U Pending JPH0292643U (cs) | 1989-01-09 | 1989-01-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0292643U (cs) |
-
1989
- 1989-01-09 JP JP141489U patent/JPH0292643U/ja active Pending