JPS5728238B2 - - Google Patents
Info
- Publication number
- JPS5728238B2 JPS5728238B2 JP1483476A JP1483476A JPS5728238B2 JP S5728238 B2 JPS5728238 B2 JP S5728238B2 JP 1483476 A JP1483476 A JP 1483476A JP 1483476 A JP1483476 A JP 1483476A JP S5728238 B2 JPS5728238 B2 JP S5728238B2
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1483476A JPS5298405A (en) | 1976-02-16 | 1976-02-16 | Office line monitoring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1483476A JPS5298405A (en) | 1976-02-16 | 1976-02-16 | Office line monitoring circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5298405A JPS5298405A (en) | 1977-08-18 |
| JPS5728238B2 true JPS5728238B2 (en) | 1982-06-15 |
Family
ID=11872049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1483476A Granted JPS5298405A (en) | 1976-02-16 | 1976-02-16 | Office line monitoring circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5298405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5986545U (en) * | 1982-11-30 | 1984-06-12 | パロマ工業株式会社 | water heater |
-
1976
- 1976-02-16 JP JP1483476A patent/JPS5298405A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5986545U (en) * | 1982-11-30 | 1984-06-12 | パロマ工業株式会社 | water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5298405A (en) | 1977-08-18 |