JPS5612161A - Demodulation system for frequency shift signal - Google Patents
Demodulation system for frequency shift signalInfo
- Publication number
- JPS5612161A JPS5612161A JP8765879A JP8765879A JPS5612161A JP S5612161 A JPS5612161 A JP S5612161A JP 8765879 A JP8765879 A JP 8765879A JP 8765879 A JP8765879 A JP 8765879A JP S5612161 A JPS5612161 A JP S5612161A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- frequency
- supplied
- counter
- 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
- 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
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8765879A JPS5612161A (en) | 1979-07-10 | 1979-07-10 | Demodulation system for frequency shift signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8765879A JPS5612161A (en) | 1979-07-10 | 1979-07-10 | Demodulation system for frequency shift signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5612161A true JPS5612161A (en) | 1981-02-06 |
Family
ID=13921048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8765879A Pending JPS5612161A (en) | 1979-07-10 | 1979-07-10 | Demodulation system for frequency shift signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5612161A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152259A (en) * | 1981-03-16 | 1982-09-20 | Seiko Epson Corp | Fsk demodulating circuit |
JPS583352A (ja) * | 1981-06-15 | 1983-01-10 | ヘイズ マイクロ コンピユ−タ− プロダクツ インク | 変復調装置 |
JPS58114652A (ja) * | 1981-12-28 | 1983-07-08 | Fujitsu Ltd | Fsk復調方式 |
JPS5945746A (ja) * | 1982-09-09 | 1984-03-14 | Sharp Corp | Fs変調信号位相差検出回路 |
JPS644203A (en) * | 1987-06-26 | 1989-01-09 | Kobe Steel Ltd | Surface cleaning of solid phase by pressure crystallization |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5186956A (ja) * | 1975-01-29 | 1976-07-30 | Eikura Tsushin Kk | |
JPS5345120A (en) * | 1976-10-05 | 1978-04-22 | Tokyo Hoso:Kk | Video special effect device |
-
1979
- 1979-07-10 JP JP8765879A patent/JPS5612161A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5186956A (ja) * | 1975-01-29 | 1976-07-30 | Eikura Tsushin Kk | |
JPS5345120A (en) * | 1976-10-05 | 1978-04-22 | Tokyo Hoso:Kk | Video special effect device |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152259A (en) * | 1981-03-16 | 1982-09-20 | Seiko Epson Corp | Fsk demodulating circuit |
JPH0376060B2 (ja) * | 1981-03-16 | 1991-12-04 | Seiko Epson Corp | |
JPS583352A (ja) * | 1981-06-15 | 1983-01-10 | ヘイズ マイクロ コンピユ−タ− プロダクツ インク | 変復調装置 |
JPH0646741B2 (ja) * | 1981-06-15 | 1994-06-15 | ヘイズ マイクロ コンピュ−タ− プロダクツ インク | 変復調装置における動作モードの切換方法およびこの切換方法を実行可能の変復調装置 |
JPS58114652A (ja) * | 1981-12-28 | 1983-07-08 | Fujitsu Ltd | Fsk復調方式 |
JPS5945746A (ja) * | 1982-09-09 | 1984-03-14 | Sharp Corp | Fs変調信号位相差検出回路 |
JPS644203A (en) * | 1987-06-26 | 1989-01-09 | Kobe Steel Ltd | Surface cleaning of solid phase by pressure crystallization |
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