JPS4977811U - - Google Patents
Info
- Publication number
- JPS4977811U JPS4977811U JP12104172U JP12104172U JPS4977811U JP S4977811 U JPS4977811 U JP S4977811U JP 12104172 U JP12104172 U JP 12104172U JP 12104172 U JP12104172 U JP 12104172U JP S4977811 U JPS4977811 U JP S4977811U
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Landscapes
- Amplifiers (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972121041U JPS5249618Y2 (en:Method) | 1972-10-21 | 1972-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972121041U JPS5249618Y2 (en:Method) | 1972-10-21 | 1972-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4977811U true JPS4977811U (en:Method) | 1974-07-05 |
| JPS5249618Y2 JPS5249618Y2 (en:Method) | 1977-11-11 |
Family
ID=28363395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972121041U Expired JPS5249618Y2 (en:Method) | 1972-10-21 | 1972-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5249618Y2 (en:Method) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2199921A (en) * | 1938-07-28 | 1940-05-07 | Bell Telephone Labor Inc | Wave filter |
| US2373431A (en) * | 1943-03-30 | 1945-04-10 | Bell Telephone Labor Inc | Electric wave filter |
| US2908877A (en) * | 1955-02-14 | 1959-10-13 | Gen Electric | Crystal filter |
| US2910657A (en) * | 1955-02-18 | 1959-10-27 | Gen Electric | Crystal filter |
-
1972
- 1972-10-21 JP JP1972121041U patent/JPS5249618Y2/ja not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2199921A (en) * | 1938-07-28 | 1940-05-07 | Bell Telephone Labor Inc | Wave filter |
| US2373431A (en) * | 1943-03-30 | 1945-04-10 | Bell Telephone Labor Inc | Electric wave filter |
| US2908877A (en) * | 1955-02-14 | 1959-10-13 | Gen Electric | Crystal filter |
| US2910657A (en) * | 1955-02-18 | 1959-10-27 | Gen Electric | Crystal filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5249618Y2 (en:Method) | 1977-11-11 |