JPS5979664A - リングトリツプ回路 - Google Patents
リングトリツプ回路Info
- Publication number
- JPS5979664A JPS5979664A JP18908982A JP18908982A JPS5979664A JP S5979664 A JPS5979664 A JP S5979664A JP 18908982 A JP18908982 A JP 18908982A JP 18908982 A JP18908982 A JP 18908982A JP S5979664 A JPS5979664 A JP S5979664A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ring trip
- photocoupler
- telephone
- trip 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/026—Arrangements for interrupting the ringing current
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18908982A JPS5979664A (ja) | 1982-10-29 | 1982-10-29 | リングトリツプ回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18908982A JPS5979664A (ja) | 1982-10-29 | 1982-10-29 | リングトリツプ回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5979664A true JPS5979664A (ja) | 1984-05-08 |
JPH0241943B2 JPH0241943B2 (enrdf_load_stackoverflow) | 1990-09-20 |
Family
ID=16235137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18908982A Granted JPS5979664A (ja) | 1982-10-29 | 1982-10-29 | リングトリツプ回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5979664A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63127643A (ja) * | 1986-11-18 | 1988-05-31 | Tamura Electric Works Ltd | 電話交換装置 |
-
1982
- 1982-10-29 JP JP18908982A patent/JPS5979664A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63127643A (ja) * | 1986-11-18 | 1988-05-31 | Tamura Electric Works Ltd | 電話交換装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0241943B2 (enrdf_load_stackoverflow) | 1990-09-20 |
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