JPS57188164A - Data transmission and reception system - Google Patents
Data transmission and reception systemInfo
- Publication number
- JPS57188164A JPS57188164A JP56073724A JP7372481A JPS57188164A JP S57188164 A JPS57188164 A JP S57188164A JP 56073724 A JP56073724 A JP 56073724A JP 7372481 A JP7372481 A JP 7372481A JP S57188164 A JPS57188164 A JP S57188164A
- Authority
- JP
- Japan
- Prior art keywords
- signals
- frequency
- integrator
- signal
- integrators
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56073724A JPS57188164A (en) | 1981-05-15 | 1981-05-15 | Data transmission and reception system |
US06/377,249 US4475216A (en) | 1981-05-15 | 1982-05-11 | FSK Data transceiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56073724A JPS57188164A (en) | 1981-05-15 | 1981-05-15 | Data transmission and reception system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57188164A true JPS57188164A (en) | 1982-11-19 |
JPS6328378B2 JPS6328378B2 (ja) | 1988-06-08 |
Family
ID=13526456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56073724A Granted JPS57188164A (en) | 1981-05-15 | 1981-05-15 | Data transmission and reception system |
Country Status (2)
Country | Link |
---|---|
US (1) | US4475216A (ja) |
JP (1) | JPS57188164A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4689801A (en) * | 1983-10-11 | 1987-08-25 | American Standard Inc. | Microprocessor FSK data communications module |
NZ221479A (en) * | 1986-08-22 | 1990-09-26 | Transcom Australia Ltd | Modem with sync regeneration for hf radio |
JPS6369354A (ja) * | 1986-09-10 | 1988-03-29 | Sumitomo Electric Ind Ltd | 復調装置 |
JPH0456443A (ja) * | 1990-06-26 | 1992-02-24 | Sony Corp | 局部発振装置 |
JP2001160801A (ja) * | 1999-12-02 | 2001-06-12 | Sony Corp | 二重方式デジタルデータ伝送方法および装置 |
GB0525126D0 (en) * | 2005-12-09 | 2006-01-18 | Uni I Oslo | Improvements in data communications |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3667046A (en) * | 1969-10-09 | 1972-05-30 | Magnavox Co | Voice transmission and receiving system employing pulse duration modulations with a suppressed clock |
US3777272A (en) * | 1972-09-18 | 1973-12-04 | Nasa | Digital second-order phase-locked loop |
JPS5220753A (en) * | 1975-06-11 | 1977-02-16 | Motorola Inc | Quadrature phase shift keying demodulator |
US4290140A (en) * | 1978-02-23 | 1981-09-15 | Northrop Corporation | Combined coherent frequency and phase shift keying modulation system |
US4253067A (en) * | 1978-12-11 | 1981-02-24 | Rockwell International Corporation | Baseband differentially phase encoded radio signal detector |
US4344178A (en) * | 1980-09-26 | 1982-08-10 | Harris Corporation | Costas loop QPSK demodulator |
-
1981
- 1981-05-15 JP JP56073724A patent/JPS57188164A/ja active Granted
-
1982
- 1982-05-11 US US06/377,249 patent/US4475216A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4475216A (en) | 1984-10-02 |
JPS6328378B2 (ja) | 1988-06-08 |
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