JPS6228914B2 - - Google Patents
Info
- Publication number
- JPS6228914B2 JPS6228914B2 JP5309680A JP5309680A JPS6228914B2 JP S6228914 B2 JPS6228914 B2 JP S6228914B2 JP 5309680 A JP5309680 A JP 5309680A JP 5309680 A JP5309680 A JP 5309680A JP S6228914 B2 JPS6228914 B2 JP S6228914B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- diode
- relay
- transistor
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 description 17
- 238000004891 communication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 102100034682 26S proteasome regulatory subunit 7 Human genes 0.000 description 1
- 101001090865 Homo sapiens 26S proteasome regulatory subunit 7 Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5309680A JPS56149890A (en) | 1980-04-22 | 1980-04-22 | Trunk circuit of automatic telephone switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5309680A JPS56149890A (en) | 1980-04-22 | 1980-04-22 | Trunk circuit of automatic telephone switchboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56149890A JPS56149890A (en) | 1981-11-19 |
| JPS6228914B2 true JPS6228914B2 (en, 2012) | 1987-06-23 |
Family
ID=12933243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5309680A Granted JPS56149890A (en) | 1980-04-22 | 1980-04-22 | Trunk circuit of automatic telephone switchboard |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56149890A (en, 2012) |
-
1980
- 1980-04-22 JP JP5309680A patent/JPS56149890A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56149890A (en) | 1981-11-19 |
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