JPS5592094A - Voice data simultaneous transmission system - Google Patents
Voice data simultaneous transmission systemInfo
- Publication number
- JPS5592094A JPS5592094A JP16230978A JP16230978A JPS5592094A JP S5592094 A JPS5592094 A JP S5592094A JP 16230978 A JP16230978 A JP 16230978A JP 16230978 A JP16230978 A JP 16230978A JP S5592094 A JPS5592094 A JP S5592094A
- Authority
- JP
- Japan
- Prior art keywords
- output
- converter
- circuit
- memory
- data
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
PURPOSE:To make it possible to transmit simultaneously voice and data and make it possible to eliminate troubles such as economic disadvantage, deterioration of use efficiency and a large delay by inserting data to voice information as required. CONSTITUTION:The output of transmitter 11 is connected to A/D converter 12, and the output is branched and supplied to parallel-series converter 13 and selector 14. Meanwhile, the output of data terminal 15 is stored in buffer memory 17 through interface 16. Memory 17 is controlled by clock pulse generator 18 and gates 19 and 20, and FF circuit 21 is set by the output of memory 17 and is reset by timer 22. FF circuit 21 is connected to not only selector 14 and differentiating circuit 23 but also one input terminal of gate 20 through delay circuit 24. Parallel-series converter 13 and differentiating circuit 23 are connected to unipolar/bipolar converter 25, and the output of converter 25 is transmitted to the subscriber's line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16230978A JPS5592094A (en) | 1978-12-29 | 1978-12-29 | Voice data simultaneous transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16230978A JPS5592094A (en) | 1978-12-29 | 1978-12-29 | Voice data simultaneous transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5592094A true JPS5592094A (en) | 1980-07-12 |
Family
ID=15752054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16230978A Pending JPS5592094A (en) | 1978-12-29 | 1978-12-29 | Voice data simultaneous transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5592094A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58106943A (en) * | 1981-12-17 | 1983-06-25 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Interposing digital voice and data communication system |
JPS5934792A (en) * | 1982-08-20 | 1984-02-25 | Nec Corp | Multipurpose digital switching system |
JPS6043934A (en) * | 1983-08-22 | 1985-03-08 | Niles Parts Co Ltd | Multiplex communication device performing time division by identification pulse |
JPS60208154A (en) * | 1984-04-02 | 1985-10-19 | Fujitsu Ltd | Ping pong transmission system |
JPS63298598A (en) * | 1987-05-29 | 1988-12-06 | Aihon Kk | Radio type communication equipment |
JPH0290588U (en) * | 1982-09-13 | 1990-07-18 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52130206A (en) * | 1976-04-24 | 1977-11-01 | Fujitsu Ltd | Time sharing exchange system |
JPS54145415A (en) * | 1978-05-08 | 1979-11-13 | Nec Corp | Hybrid terminal equipment |
-
1978
- 1978-12-29 JP JP16230978A patent/JPS5592094A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52130206A (en) * | 1976-04-24 | 1977-11-01 | Fujitsu Ltd | Time sharing exchange system |
JPS54145415A (en) * | 1978-05-08 | 1979-11-13 | Nec Corp | Hybrid terminal equipment |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58106943A (en) * | 1981-12-17 | 1983-06-25 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Interposing digital voice and data communication system |
JPS5934792A (en) * | 1982-08-20 | 1984-02-25 | Nec Corp | Multipurpose digital switching system |
JPH0290588U (en) * | 1982-09-13 | 1990-07-18 | ||
JPS6043934A (en) * | 1983-08-22 | 1985-03-08 | Niles Parts Co Ltd | Multiplex communication device performing time division by identification pulse |
JPS60208154A (en) * | 1984-04-02 | 1985-10-19 | Fujitsu Ltd | Ping pong transmission system |
JPH0453137B2 (en) * | 1984-04-02 | 1992-08-25 | Fujitsu Ltd | |
JPS63298598A (en) * | 1987-05-29 | 1988-12-06 | Aihon Kk | Radio type communication equipment |
JPH0569331B2 (en) * | 1987-05-29 | 1993-09-30 | Aiphone Co Ltd |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS55110448A (en) | Digital signal transmission system | |
JPS5592094A (en) | Voice data simultaneous transmission system | |
JPS54904A (en) | Line selection system | |
JPS5669950A (en) | General polling system of data transmission system | |
JPS551766A (en) | Multiplex transmission system | |
JPS55147054A (en) | Data transmission system | |
MY133642A (en) | Communication system and relay thereof. | |
JPS5630347A (en) | Single-speed digital subscriber's line transmission system | |
JPS57141741A (en) | Input and output control system | |
JPS55115756A (en) | Data transmission system | |
JPS6468052A (en) | Modem telephone set | |
JPS5671352A (en) | Multidrop data communication system | |
JPS57113665A (en) | Digital data transmission and reception system | |
JPS54153561A (en) | Parallel-serial conversion circuit | |
JPS5219008A (en) | Memory switch system | |
JPS5340205A (en) | Charging pulse transmission system | |
JPS5444811A (en) | Synchronous transmission system | |
JPS5526714A (en) | Digital transmission system | |
JPS5438735A (en) | Information transmitting system | |
JPS5211735A (en) | Signal transmission system | |
JPS56160162A (en) | Data transmitting system | |
JPS5412503A (en) | Optical data link system | |
JPS53115145A (en) | Automatic shift code insertion circuit | |
JPS53138618A (en) | End office device | |
JPS57204648A (en) | Input and output device of optical data |