JPH0115185B2 - - Google Patents
Info
- Publication number
- JPH0115185B2 JPH0115185B2 JP9219481A JP9219481A JPH0115185B2 JP H0115185 B2 JPH0115185 B2 JP H0115185B2 JP 9219481 A JP9219481 A JP 9219481A JP 9219481 A JP9219481 A JP 9219481A JP H0115185 B2 JPH0115185 B2 JP H0115185B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- call
- circuit
- output
- capacitor
- 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
- 238000001514 detection method Methods 0.000 claims description 33
- 238000007599 discharging Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 description 44
- 238000004804 winding Methods 0.000 description 19
- 230000005284 excitation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004092 self-diagnosis Methods 0.000 description 3
- KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical compound C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9219481A JPS57207469A (en) | 1981-06-17 | 1981-06-17 | Incoming circuit for public telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9219481A JPS57207469A (en) | 1981-06-17 | 1981-06-17 | Incoming circuit for public telephone set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57207469A JPS57207469A (en) | 1982-12-20 |
| JPH0115185B2 true JPH0115185B2 (enrdf_load_stackoverflow) | 1989-03-16 |
Family
ID=14047631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9219481A Granted JPS57207469A (en) | 1981-06-17 | 1981-06-17 | Incoming circuit for public telephone set |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57207469A (enrdf_load_stackoverflow) |
-
1981
- 1981-06-17 JP JP9219481A patent/JPS57207469A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57207469A (en) | 1982-12-20 |