JPS52101906A - Battery detecting type current switching scanning method - Google Patents
Battery detecting type current switching scanning methodInfo
- Publication number
- JPS52101906A JPS52101906A JP1793276A JP1793276A JPS52101906A JP S52101906 A JPS52101906 A JP S52101906A JP 1793276 A JP1793276 A JP 1793276A JP 1793276 A JP1793276 A JP 1793276A JP S52101906 A JPS52101906 A JP S52101906A
- Authority
- JP
- Japan
- Prior art keywords
- scanning method
- type current
- current switching
- battery detecting
- detecting type
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/72—Finding out and indicating number of calling subscriber
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 |
|---|---|---|---|
| JP1793276A JPS52101906A (en) | 1976-02-23 | 1976-02-23 | Battery detecting type current switching scanning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1793276A JPS52101906A (en) | 1976-02-23 | 1976-02-23 | Battery detecting type current switching scanning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52101906A true JPS52101906A (en) | 1977-08-26 |
| JPS5513680B2 JPS5513680B2 (2) | 1980-04-10 |
Family
ID=11957535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1793276A Granted JPS52101906A (en) | 1976-02-23 | 1976-02-23 | Battery detecting type current switching scanning method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52101906A (2) |
-
1976
- 1976-02-23 JP JP1793276A patent/JPS52101906A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5513680B2 (2) | 1980-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT8022533A0 (it) | Complesso circuitale di rivelazione della corrente per un centralino telefonico automatico. | |
| JPS52101906A (en) | Battery detecting type current switching scanning method | |
| JPS52101905A (en) | Parallel drive circuit in current switching scanning method | |
| JPS5368106A (en) | Automatic dialing unit | |
| JPS52119057A (en) | Hold circuit | |
| JPS5789356A (en) | Voice packet exchange device | |
| JPS52101907A (en) | Shunt type current switching scanning method | |
| JPS53148307A (en) | Automatic answering telephone set | |
| JPS5331911A (en) | Control system for subscriber dial-tone | |
| JPS5384512A (en) | Automatic charging recording system | |
| JPS5355905A (en) | Automatic dialing system | |
| JPS5386104A (en) | Signal detecting circuit for automatic exchange | |
| JPS5390707A (en) | Detecting system for circuit fault | |
| JPS51148316A (en) | Ringing trunk | |
| JPS5370475A (en) | Vibration detector | |
| JPS51118462A (en) | Up-down counting circuit of digital length measuring device | |
| JPS526008A (en) | Subscriber's circuit | |
| JPS5220702A (en) | Data terminal equipment | |
| JPS51144514A (en) | Circuit fault detecting device | |
| JPS52155346A (en) | Dead point failure protecting system | |
| JPS5276654A (en) | Accident detection device in power system | |
| JPS52120708A (en) | Automatic telephone answering set | |
| JPS51130839A (en) | Method for detecting trouble of electric insulation | |
| JPS53104978A (en) | Operatorless guided vehicle system | |
| JPS51137847A (en) | An earth trouble detecting apparatus with a detection circuit |