NO303259B1 - Frekvensskiftmodulasjon og demodulasjon for seriell kommunikasjon pÕ en str÷msl÷yfe - Google Patents
Frekvensskiftmodulasjon og demodulasjon for seriell kommunikasjon pÕ en str÷msl÷yfe Download PDFInfo
- Publication number
- NO303259B1 NO303259B1 NO900046A NO900046A NO303259B1 NO 303259 B1 NO303259 B1 NO 303259B1 NO 900046 A NO900046 A NO 900046A NO 900046 A NO900046 A NO 900046A NO 303259 B1 NO303259 B1 NO 303259B1
- Authority
- NO
- Norway
- Prior art keywords
- current loop
- current
- frequency
- controlled oscillator
- demodulating
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H04L27/12—Modulator circuits; Transmitter circuits
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Near-Field Transmission Systems (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33700689A | 1989-04-12 | 1989-04-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO900046D0 NO900046D0 (no) | 1990-01-05 |
NO900046L NO900046L (no) | 1990-10-15 |
NO303259B1 true NO303259B1 (no) | 1998-06-15 |
Family
ID=23318695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO900046A NO303259B1 (no) | 1989-04-12 | 1990-01-05 | Frekvensskiftmodulasjon og demodulasjon for seriell kommunikasjon pÕ en str÷msl÷yfe |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0392647B1 (de) |
JP (1) | JPH02295258A (de) |
CN (1) | CN1021182C (de) |
AU (1) | AU628154B2 (de) |
CA (1) | CA2013866A1 (de) |
DE (1) | DE69008917T2 (de) |
NO (1) | NO303259B1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0487874B1 (de) * | 1990-11-30 | 2000-07-26 | Yokogawa Electric Corporation | Signalgestalter |
US5543447A (en) * | 1994-09-28 | 1996-08-06 | Southwest Research Institute | Stabilization of red amorphous phosphorus by ordered polymeric structures for the manufacture of non-emissive fire retardant plastics |
DE29718405U1 (de) * | 1997-10-16 | 1998-11-12 | Siemens Ag | Analogeingabeeinheit |
DE19813700C2 (de) * | 1998-03-27 | 2003-03-27 | Samson Ag | Eingangsschaltung für ein Feldgerät |
IL125855A (en) * | 1998-04-06 | 2007-06-03 | Technion R & D Foundation Ltd | Method for the production of foamed ceramic materials |
CN100336780C (zh) * | 2006-02-20 | 2007-09-12 | 河南科技大学 | 一种铸造用泡沫陶瓷过滤器的制备方法 |
CN101043489B (zh) * | 2006-03-22 | 2012-07-04 | 普诚科技股份有限公司 | 频移键控解调电路、频率调制解调电路及其方法 |
US8459525B2 (en) | 2008-02-14 | 2013-06-11 | Ethicon Endo-Sugery, Inc. | Motorized surgical cutting and fastening instrument having a magnetic drive train torque limiting device |
DE102012218429A1 (de) | 2012-10-10 | 2014-04-10 | Zumtobel Lighting Gmbh | System zur Funktionsüberwachung einer Stromschleife |
CN104202076A (zh) * | 2014-08-21 | 2014-12-10 | 常州工学院 | 一种fsk中继器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3752923A (en) * | 1971-12-09 | 1973-08-14 | Honeywell Inf Systems | Frequency shift keyed generating system |
CH610167A5 (en) * | 1976-02-26 | 1979-03-30 | Vogelsang Remo | Data transmission system with stations connected to a common transmission line |
US4091361A (en) * | 1976-12-09 | 1978-05-23 | General Electric Company | Noise-immune carrier current actuated control |
JPS5493953A (en) * | 1978-01-07 | 1979-07-25 | Nec Corp | Frequency shift modulator circuit |
JPS5827452A (ja) * | 1981-08-11 | 1983-02-18 | Mitsubishi Electric Corp | Fsk信号復調器 |
JPS6174425A (ja) * | 1984-09-20 | 1986-04-16 | Matsushita Electric Ind Co Ltd | 電力線搬送送受信ネツトワ−クシステム |
US4606049A (en) * | 1984-12-03 | 1986-08-12 | The United States Of America As Represented By The Secretary Of The Navy | Remote transmitter control system |
DE3632840A1 (de) * | 1986-09-26 | 1988-04-07 | Endress Hauser Gmbh Co | Verfahren und anordnung zur uebertragung binaer codierter informationen in einer messanordnung |
JPS648046U (de) * | 1987-07-02 | 1989-01-17 |
-
1990
- 1990-01-05 NO NO900046A patent/NO303259B1/no unknown
- 1990-01-15 DE DE1990608917 patent/DE69008917T2/de not_active Expired - Fee Related
- 1990-01-15 EP EP19900300406 patent/EP0392647B1/de not_active Expired - Lifetime
- 1990-03-03 CN CN 90101127 patent/CN1021182C/zh not_active Expired - Fee Related
- 1990-04-04 CA CA 2013866 patent/CA2013866A1/en not_active Abandoned
- 1990-04-11 AU AU53170/90A patent/AU628154B2/en not_active Ceased
- 1990-04-11 JP JP2094207A patent/JPH02295258A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0392647A2 (de) | 1990-10-17 |
AU5317090A (en) | 1990-10-18 |
EP0392647A3 (de) | 1991-01-09 |
EP0392647B1 (de) | 1994-05-18 |
DE69008917T2 (de) | 1994-09-01 |
NO900046L (no) | 1990-10-15 |
NO900046D0 (no) | 1990-01-05 |
CA2013866A1 (en) | 1990-10-12 |
AU628154B2 (en) | 1992-09-10 |
DE69008917D1 (de) | 1994-06-23 |
JPH02295258A (ja) | 1990-12-06 |
CN1046424A (zh) | 1990-10-24 |
CN1021182C (zh) | 1993-06-09 |
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