JPH0470831B2 - - Google Patents
Info
- Publication number
- JPH0470831B2 JPH0470831B2 JP16051880A JP16051880A JPH0470831B2 JP H0470831 B2 JPH0470831 B2 JP H0470831B2 JP 16051880 A JP16051880 A JP 16051880A JP 16051880 A JP16051880 A JP 16051880A JP H0470831 B2 JPH0470831 B2 JP H0470831B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- input
- terminal
- converter
- 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 18
- 230000005236 sound signal Effects 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 49
- 239000003990 capacitor Substances 0.000 description 20
- 230000000903 blocking effect Effects 0.000 description 10
- 238000009499 grossing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/008—Using DC/DC converters
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16051880A JPS5784698A (en) | 1980-11-14 | 1980-11-14 | Subscriber circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16051880A JPS5784698A (en) | 1980-11-14 | 1980-11-14 | Subscriber circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5784698A JPS5784698A (en) | 1982-05-27 |
| JPH0470831B2 true JPH0470831B2 (enrdf_load_html_response) | 1992-11-12 |
Family
ID=15716684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16051880A Granted JPS5784698A (en) | 1980-11-14 | 1980-11-14 | Subscriber circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5784698A (enrdf_load_html_response) |
-
1980
- 1980-11-14 JP JP16051880A patent/JPS5784698A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5784698A (en) | 1982-05-27 |
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