JPS6312603Y2 - - Google Patents
Info
- Publication number
- JPS6312603Y2 JPS6312603Y2 JP13807280U JP13807280U JPS6312603Y2 JP S6312603 Y2 JPS6312603 Y2 JP S6312603Y2 JP 13807280 U JP13807280 U JP 13807280U JP 13807280 U JP13807280 U JP 13807280U JP S6312603 Y2 JPS6312603 Y2 JP S6312603Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- transmitter
- contact
- dial
- push button
- 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
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 14
- 230000010287 polarization Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 7
- 230000002265 prevention Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13807280U JPS6312603Y2 (en]) | 1980-09-30 | 1980-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13807280U JPS6312603Y2 (en]) | 1980-09-30 | 1980-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5762465U JPS5762465U (en]) | 1982-04-13 |
| JPS6312603Y2 true JPS6312603Y2 (en]) | 1988-04-11 |
Family
ID=29498127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13807280U Expired JPS6312603Y2 (en]) | 1980-09-30 | 1980-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6312603Y2 (en]) |
-
1980
- 1980-09-30 JP JP13807280U patent/JPS6312603Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5762465U (en]) | 1982-04-13 |
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