JPS621440U - - Google Patents
Info
- Publication number
- JPS621440U JPS621440U JP1985092678U JP9267885U JPS621440U JP S621440 U JPS621440 U JP S621440U JP 1985092678 U JP1985092678 U JP 1985092678U JP 9267885 U JP9267885 U JP 9267885U JP S621440 U JPS621440 U JP S621440U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal detection
- detection circuit
- ringer signal
- ringer
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
- Noise Elimination (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985092678U JPS621440U (de) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985092678U JPS621440U (de) | 1985-06-19 | 1985-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS621440U true JPS621440U (de) | 1987-01-07 |
Family
ID=30649691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985092678U Pending JPS621440U (de) | 1985-06-19 | 1985-06-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS621440U (de) |
-
1985
- 1985-06-19 JP JP1985092678U patent/JPS621440U/ja active Pending