JPS648847U - - Google Patents
Info
- Publication number
- JPS648847U JPS648847U JP10229287U JP10229287U JPS648847U JP S648847 U JPS648847 U JP S648847U JP 10229287 U JP10229287 U JP 10229287U JP 10229287 U JP10229287 U JP 10229287U JP S648847 U JPS648847 U JP S648847U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection unit
- ringing
- unit
- receiver
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987102292U JPH0422578Y2 (ja�@�@) | 1987-07-04 | 1987-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987102292U JPH0422578Y2 (ja�@�@) | 1987-07-04 | 1987-07-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS648847U true JPS648847U (ja�@�@) | 1989-01-18 |
| JPH0422578Y2 JPH0422578Y2 (ja�@�@) | 1992-05-25 |
Family
ID=31332069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987102292U Expired JPH0422578Y2 (ja�@�@) | 1987-07-04 | 1987-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422578Y2 (ja�@�@) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5739156U (ja�@�@) * | 1980-08-15 | 1982-03-02 | ||
| JPS6178451U (ja�@�@) * | 1984-10-29 | 1986-05-26 | ||
| JPS61119445U (ja�@�@) * | 1985-01-09 | 1986-07-28 |
-
1987
- 1987-07-04 JP JP1987102292U patent/JPH0422578Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5739156U (ja�@�@) * | 1980-08-15 | 1982-03-02 | ||
| JPS6178451U (ja�@�@) * | 1984-10-29 | 1986-05-26 | ||
| JPS61119445U (ja�@�@) * | 1985-01-09 | 1986-07-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0422578Y2 (ja�@�@) | 1992-05-25 |