JPS6454842A - Device and system for modulation/demodulation - Google Patents
Device and system for modulation/demodulationInfo
- Publication number
- JPS6454842A JPS6454842A JP21010687A JP21010687A JPS6454842A JP S6454842 A JPS6454842 A JP S6454842A JP 21010687 A JP21010687 A JP 21010687A JP 21010687 A JP21010687 A JP 21010687A JP S6454842 A JPS6454842 A JP S6454842A
- Authority
- JP
- Japan
- Prior art keywords
- modem
- macroinstruction
- demodulation
- constitution
- signal processing
- 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
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
PURPOSE:To simplify the constitution and the control system of a modem and to realize the modem with high capacity and high performance by the combination of macroinstructions, by constituting and controlling the model by a macroinstruction input means, a response output means, the interpreting and executing means of the macroinstruction, and the macroinstruction. CONSTITUTION:In the modem 1 equipped with a means which performs modulation and demodulation and a means 2 to control them, a means 9 to input the macroinstruction, means 10 and 11 to interpret and execute the macroinstruction, and a means 12 to output a response corresponding to the macroinstruction are provided, and the modem 1 is controlled by the macroinstruction inputted from the outside. In such a way, it is possible to realize a modem control system most suitable for one chip device for a universal modem, profitable and with high performance, and a signal processing parameter, etc., in the modem 1 can be changed prior to starting the signal processing of the modem 1.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21010687A JPS6454842A (en) | 1987-08-26 | 1987-08-26 | Device and system for modulation/demodulation |
US07/236,917 US5259000A (en) | 1987-08-26 | 1988-09-23 | Modulator-demodulator apparatus and system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21010687A JPS6454842A (en) | 1987-08-26 | 1987-08-26 | Device and system for modulation/demodulation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6454842A true JPS6454842A (en) | 1989-03-02 |
Family
ID=16583910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21010687A Pending JPS6454842A (en) | 1987-08-26 | 1987-08-26 | Device and system for modulation/demodulation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6454842A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0676096A1 (en) * | 1993-10-28 | 1995-10-11 | Motorola, Inc. | Demodulator logic unit adaptable to multiple data protocols |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148451A (en) * | 1981-03-11 | 1982-09-13 | Oki Electric Ind Co Ltd | Modem receiver for facsimile |
JPS60214142A (en) * | 1984-04-10 | 1985-10-26 | Matsushita Electric Ind Co Ltd | Modulator |
-
1987
- 1987-08-26 JP JP21010687A patent/JPS6454842A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148451A (en) * | 1981-03-11 | 1982-09-13 | Oki Electric Ind Co Ltd | Modem receiver for facsimile |
JPS60214142A (en) * | 1984-04-10 | 1985-10-26 | Matsushita Electric Ind Co Ltd | Modulator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0676096A1 (en) * | 1993-10-28 | 1995-10-11 | Motorola, Inc. | Demodulator logic unit adaptable to multiple data protocols |
EP0676096A4 (en) * | 1993-10-28 | 1999-08-25 | Motorola Inc | Demodulator logic unit adaptable to multiple data protocols. |
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