JPS5739651A - Start/stop signal generating circuit in transfer telephone - Google Patents
Start/stop signal generating circuit in transfer telephoneInfo
- Publication number
- JPS5739651A JPS5739651A JP11468180A JP11468180A JPS5739651A JP S5739651 A JPS5739651 A JP S5739651A JP 11468180 A JP11468180 A JP 11468180A JP 11468180 A JP11468180 A JP 11468180A JP S5739651 A JPS5739651 A JP S5739651A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- line
- signal
- transfer telephone
- callout
- 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 abstract 4
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11468180A JPS5739651A (en) | 1980-08-22 | 1980-08-22 | Start/stop signal generating circuit in transfer telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11468180A JPS5739651A (en) | 1980-08-22 | 1980-08-22 | Start/stop signal generating circuit in transfer telephone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5739651A true JPS5739651A (en) | 1982-03-04 |
| JPS6159581B2 JPS6159581B2 (enrdf_load_stackoverflow) | 1986-12-17 |
Family
ID=14643965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11468180A Granted JPS5739651A (en) | 1980-08-22 | 1980-08-22 | Start/stop signal generating circuit in transfer telephone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5739651A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63161198U (enrdf_load_stackoverflow) * | 1987-04-10 | 1988-10-21 |
-
1980
- 1980-08-22 JP JP11468180A patent/JPS5739651A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6159581B2 (enrdf_load_stackoverflow) | 1986-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5753809A (en) | Waveform shaping circuit of digital signal processor | |
| JPS5739651A (en) | Start/stop signal generating circuit in transfer telephone | |
| JPS53143217A (en) | Camera provided with motor winder and stroboscopic flash device | |
| JPS5353376A (en) | Solar battery watch | |
| JPS57127343A (en) | Talking system of optical fiber interphone | |
| ES480848A1 (es) | Perfeccionamientos en circuitos de alarma para alternadores de automovil. | |
| JPS5341917A (en) | Dc current supply circuit | |
| JPS5731256A (en) | Ncu circuit | |
| FR2416560A1 (fr) | Accumulateur electrique et son procede de charge | |
| JPS5532449A (en) | Gate circuit for gate turn-off thyristor | |
| JPS56114468A (en) | Subscriber's circuit | |
| JPS5534821A (en) | Gate circuit of gate-turn-off thyristor | |
| JPS52127231A (en) | Oscillation circuit for flash discharge tube | |
| JPS5580959A (en) | Scanning circuit | |
| JPS5335928A (en) | Inverter starting | |
| JPS5665508A (en) | Current-voltage conversion circuit | |
| JPS57111710A (en) | Voltage dividing and dropping circuit | |
| JPS56138470A (en) | Propulsion device | |
| ES8206924A1 (es) | Perfeccionamientos introducidos en los sistemas de encendidode emergencia | |
| JPS5314508A (en) | Current supply system for telephone set circuit using active element | |
| JPS5617555A (en) | Test method of off-hook detector | |
| JPS5342606A (en) | Telephone set | |
| JPS56119983A (en) | Voltage holding circuit for saving data into core memory | |
| JPS57150250A (en) | Digital signal transmission system | |
| JPS5720554A (en) | Protective device for starter |