JPH0416519Y2 - - Google Patents
Info
- Publication number
- JPH0416519Y2 JPH0416519Y2 JP1986088748U JP8874886U JPH0416519Y2 JP H0416519 Y2 JPH0416519 Y2 JP H0416519Y2 JP 1986088748 U JP1986088748 U JP 1986088748U JP 8874886 U JP8874886 U JP 8874886U JP H0416519 Y2 JPH0416519 Y2 JP H0416519Y2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- telephone line
- ringer
- logic circuit
- 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.)
- Expired
Links
- 230000002265 prevention Effects 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986088748U JPH0416519Y2 (US20110009641A1-20110113-C00256.png) | 1986-06-11 | 1986-06-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986088748U JPH0416519Y2 (US20110009641A1-20110113-C00256.png) | 1986-06-11 | 1986-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6312947U JPS6312947U (US20110009641A1-20110113-C00256.png) | 1988-01-28 |
JPH0416519Y2 true JPH0416519Y2 (US20110009641A1-20110113-C00256.png) | 1992-04-14 |
Family
ID=30947120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986088748U Expired JPH0416519Y2 (US20110009641A1-20110113-C00256.png) | 1986-06-11 | 1986-06-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0416519Y2 (US20110009641A1-20110113-C00256.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59165532A (ja) * | 1983-03-10 | 1984-09-18 | R C L:Kk | ト−ンダイアル無線電話機の着信専用化回路 |
-
1986
- 1986-06-11 JP JP1986088748U patent/JPH0416519Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59165532A (ja) * | 1983-03-10 | 1984-09-18 | R C L:Kk | ト−ンダイアル無線電話機の着信専用化回路 |
Also Published As
Publication number | Publication date |
---|---|
JPS6312947U (US20110009641A1-20110113-C00256.png) | 1988-01-28 |