JPH0614540Y2 - 公衆電話機の着信回路 - Google Patents
公衆電話機の着信回路Info
- Publication number
- JPH0614540Y2 JPH0614540Y2 JP14710989U JP14710989U JPH0614540Y2 JP H0614540 Y2 JPH0614540 Y2 JP H0614540Y2 JP 14710989 U JP14710989 U JP 14710989U JP 14710989 U JP14710989 U JP 14710989U JP H0614540 Y2 JPH0614540 Y2 JP H0614540Y2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- incoming
- incoming call
- circuit
- detection
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 244000145845 chattering Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14710989U JPH0614540Y2 (ja) | 1989-02-21 | 1989-12-22 | 公衆電話機の着信回路 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1903589 | 1989-02-21 | ||
| JP1-19035 | 1989-02-21 | ||
| JP14710989U JPH0614540Y2 (ja) | 1989-02-21 | 1989-12-22 | 公衆電話機の着信回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03450U JPH03450U (en]) | 1991-01-07 |
| JPH0614540Y2 true JPH0614540Y2 (ja) | 1994-04-13 |
Family
ID=31717410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14710989U Expired - Lifetime JPH0614540Y2 (ja) | 1989-02-21 | 1989-12-22 | 公衆電話機の着信回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614540Y2 (en]) |
-
1989
- 1989-12-22 JP JP14710989U patent/JPH0614540Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03450U (en]) | 1991-01-07 |
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