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 |
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