JPS52123859A - Fsk demodulator - Google Patents
Fsk demodulatorInfo
- Publication number
- JPS52123859A JPS52123859A JP4065676A JP4065676A JPS52123859A JP S52123859 A JPS52123859 A JP S52123859A JP 4065676 A JP4065676 A JP 4065676A JP 4065676 A JP4065676 A JP 4065676A JP S52123859 A JPS52123859 A JP S52123859A
- Authority
- JP
- Japan
- Prior art keywords
- direct current
- current component
- fsk demodulator
- transmitting side
- ffs
- 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
- H04L27/16—Frequency regulation arrangements
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51040656A JPS5831065B2 (ja) | 1976-04-09 | 1976-04-09 | Fsk復調装置 |
CA275,618A CA1076650A (en) | 1976-04-09 | 1977-04-05 | Fsk demodulator |
US05/785,702 US4103244A (en) | 1976-04-09 | 1977-04-07 | Fsk demodulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51040656A JPS5831065B2 (ja) | 1976-04-09 | 1976-04-09 | Fsk復調装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52123859A true JPS52123859A (en) | 1977-10-18 |
JPS5831065B2 JPS5831065B2 (ja) | 1983-07-04 |
Family
ID=12586578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51040656A Expired JPS5831065B2 (ja) | 1976-04-09 | 1976-04-09 | Fsk復調装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4103244A (ja) |
JP (1) | JPS5831065B2 (ja) |
CA (1) | CA1076650A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60237749A (ja) * | 1984-04-30 | 1985-11-26 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | 直接変調fmデータ受信機 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54100639A (en) * | 1978-01-26 | 1979-08-08 | Fujitsu Ltd | Band-pass filter circuit |
GB2086158B (en) * | 1980-08-23 | 1984-05-02 | Plessey Co Ltd | Radio receiver |
US4400700A (en) * | 1981-06-08 | 1983-08-23 | The United States Of America As Represented By The Secretary Of The Army | Doppler frequency analysis of radar signals |
US4628518A (en) * | 1981-08-20 | 1986-12-09 | Plessey Overseas Limited | Radio receiver |
HU182370B (en) * | 1981-08-25 | 1983-12-28 | Tavkoezlesi Kutato Intezet | Arrangement for resetting carrier |
GB2109201B (en) * | 1981-10-26 | 1985-03-27 | Philips Electronic Associated | Direct modulation fm receiver |
US4518922A (en) * | 1983-01-17 | 1985-05-21 | Harris Corporation | Decision-directed, automatic frequency control technique for non-coherently demodulated M-ARY frequency shift keying |
DE3324311A1 (de) * | 1983-07-06 | 1985-01-17 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Decoder fuer ein frequenzgetastetes signal, insbesondere ein fsk-bildschirmtext-signal |
JPH01108053A (ja) * | 1987-10-20 | 1989-04-25 | L Ee C:Kk | インク用スプレーガン装置 |
US5243299A (en) * | 1992-01-22 | 1993-09-07 | Glenayre Electronics, Inc. | Variable speed asynchronous modem |
US5633898A (en) * | 1993-12-22 | 1997-05-27 | Matsushita Electric Industrial Co., Ltd. | Automatic frequency control apparatus for FSK receiver and FSK receiver including the same |
WO2005071828A1 (en) * | 2004-01-22 | 2005-08-04 | The Regents Of The University Of Michigan | Demodulatr, chip and method for digitally demodulating an fsk signal |
US20070053466A1 (en) * | 2005-09-08 | 2007-03-08 | Klostermann Daniel J | Frequency shift keying demodulation technique |
BRPI0709188A2 (pt) * | 2006-03-29 | 2011-06-28 | Thomson Licensing | amplificador limitador de freqüência em um receptor fsk |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4828816A (ja) * | 1971-08-04 | 1973-04-17 |
-
1976
- 1976-04-09 JP JP51040656A patent/JPS5831065B2/ja not_active Expired
-
1977
- 1977-04-05 CA CA275,618A patent/CA1076650A/en not_active Expired
- 1977-04-07 US US05/785,702 patent/US4103244A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4828816A (ja) * | 1971-08-04 | 1973-04-17 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60237749A (ja) * | 1984-04-30 | 1985-11-26 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | 直接変調fmデータ受信機 |
JPH0553345B2 (ja) * | 1984-04-30 | 1993-08-09 | Philips Nv |
Also Published As
Publication number | Publication date |
---|---|
JPS5831065B2 (ja) | 1983-07-04 |
CA1076650A (en) | 1980-04-29 |
US4103244A (en) | 1978-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52123859A (en) | Fsk demodulator | |
JPS5391514A (en) | Data transmitter receiver | |
JPS5368121A (en) | Still picture transmitter | |
JPS5215226A (en) | Color demodulation circuit | |
JPS5323507A (en) | Error correction system for picture information transmissio n | |
JPS5329611A (en) | Facsimile transmitter | |
JPS52149411A (en) | Multiplex orthogonal modulation and demodulation system | |
JPS5367309A (en) | Facsimile transmitter/receiver | |
JPS53104149A (en) | Demodulating system for phase modulation data signal | |
JPS5357910A (en) | Still picture transmitter | |
JPS5294716A (en) | Control system for facsimile communication, etc. | |
JPS5333012A (en) | Picture pcm transmitting equipment | |
JPS5295957A (en) | Phase continuous fsk signal modulation circuit | |
JPS5323505A (en) | Automatic facsimile unit | |
JPS5424523A (en) | Facsimile communication system | |
JPS5338941A (en) | Circuit control system | |
JPS5287316A (en) | Picture receiving procedure | |
JPS52149913A (en) | Facsimile transmission | |
JPS5323203A (en) | Data check system | |
JPS5324763A (en) | Data transmission system | |
JPS5365050A (en) | Demodulating system for phase modulation data signal | |
JPS5293206A (en) | Data transmission system | |
JPS5382154A (en) | Digital fm demodulating system | |
JPS53127221A (en) | Full duplex data transmission unit of two wire type | |
JPS52153301A (en) | Moving radio link unit |