JPS5245809A - Subscriber's line signal system - Google Patents
Subscriber's line signal systemInfo
- Publication number
- JPS5245809A JPS5245809A JP12080775A JP12080775A JPS5245809A JP S5245809 A JPS5245809 A JP S5245809A JP 12080775 A JP12080775 A JP 12080775A JP 12080775 A JP12080775 A JP 12080775A JP S5245809 A JPS5245809 A JP S5245809A
- Authority
- JP
- Japan
- Prior art keywords
- information
- subscriber
- line signal
- signal system
- signal
- 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
Landscapes
- Devices For Supply Of Signal Current (AREA)
Abstract
PURPOSE: The audible frequency signal is sent out in the form of voice digital information, and at the same time, the calling signal send-out information is sent out as information signal bit. These output information can be made into calling signal through analog conversion inside the terminal. Thus, a very economical calling system can be available.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12080775A JPS5816658B2 (en) | 1975-10-08 | 1975-10-08 | Kanyushiyasenshingohoushiki |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12080775A JPS5816658B2 (en) | 1975-10-08 | 1975-10-08 | Kanyushiyasenshingohoushiki |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5245809A true JPS5245809A (en) | 1977-04-11 |
JPS5816658B2 JPS5816658B2 (en) | 1983-04-01 |
Family
ID=14795454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12080775A Expired JPS5816658B2 (en) | 1975-10-08 | 1975-10-08 | Kanyushiyasenshingohoushiki |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5816658B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0715102U (en) * | 1993-08-06 | 1995-03-14 | 新日本製鐵株式会社 | Tension control device |
-
1975
- 1975-10-08 JP JP12080775A patent/JPS5816658B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0715102U (en) * | 1993-08-06 | 1995-03-14 | 新日本製鐵株式会社 | Tension control device |
Also Published As
Publication number | Publication date |
---|---|
JPS5816658B2 (en) | 1983-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS524103A (en) | Digital signal transmission system and its equipment | |
AU507727B2 (en) | Recognizing Multifrequency Coded Telephone Signals Converted into Digital Foam | |
JPS5323219A (en) | Multiple-address communication system | |
JPS5328317A (en) | Control system of subscriber's calling signal | |
JPS53137616A (en) | Transmission and repeating system of digital type | |
JPS5245809A (en) | Subscriber's line signal system | |
JPS5216108A (en) | Call loss correcting system | |
JPS5217739A (en) | Call request sysem by voice communication | |
JPS5250136A (en) | Function confirmation unit of digital signal processing unit | |
JPS5360522A (en) | Voice answering system | |
JPS51138108A (en) | Ring trip circuit | |
JPS5263005A (en) | Digital answering device | |
JPS5278356A (en) | Parallel a/d converter | |
JPS51133031A (en) | Electronic photograph device | |
JPS54109709A (en) | Verification system | |
JPS5247305A (en) | Extension calling systemof button telephone system | |
JPS51123491A (en) | Digital servo-control system | |
JPS52139310A (en) | Subscriber circuit | |
JPS531451A (en) | D-a converter | |
JPS51140429A (en) | Method of generating simple pal type synchronous signal | |
JPS5439559A (en) | Digital analog converter | |
JPS52132615A (en) | Sending system of ringing tone and call signal | |
JPS51150911A (en) | Multiple video signal digital converter | |
JPS52122020A (en) | Calling signal system | |
JPS5245805A (en) | Automatic telephone answering set |