IS7326A - Aðferð og tæki til að víddarmóta gagna-merki með notkun rétthyrnds bylgju-merkis - Google Patents
Aðferð og tæki til að víddarmóta gagna-merki með notkun rétthyrnds bylgju-merkisInfo
- Publication number
- IS7326A IS7326A IS7326A IS7326A IS7326A IS 7326 A IS7326 A IS 7326A IS 7326 A IS7326 A IS 7326A IS 7326 A IS7326 A IS 7326A IS 7326 A IS7326 A IS 7326A
- Authority
- IS
- Iceland
- Prior art keywords
- frequency
- carrier
- speed
- modulation
- square wave
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmitters (AREA)
- Radar Systems Or Details Thereof (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34192901P | 2001-12-19 | 2001-12-19 | |
| PCT/US2002/040964 WO2003055161A2 (en) | 2001-12-19 | 2002-12-19 | Method and apparatus for amplitude modulating data signals using a square wave signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IS7326A true IS7326A (is) | 2004-06-18 |
Family
ID=23339611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IS7326A IS7326A (is) | 2001-12-19 | 2004-06-18 | Aðferð og tæki til að víddarmóta gagna-merki með notkun rétthyrnds bylgju-merkis |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6782057B2 (is) |
| EP (1) | EP1459490B1 (is) |
| AT (1) | ATE471617T1 (is) |
| AU (1) | AU2002358263B2 (is) |
| DE (1) | DE60236758D1 (is) |
| IS (1) | IS7326A (is) |
| WO (1) | WO2003055161A2 (is) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI394374B (zh) * | 2008-12-12 | 2013-04-21 | Hsien Lung Chen | Signal continuous wave conversion method of square wave method |
| US8582675B1 (en) * | 2010-06-01 | 2013-11-12 | Fredric J. Harris | Pre-channelized spectrum analyzer |
| CN111275952B (zh) * | 2019-02-01 | 2021-05-18 | 奥克斯空调股份有限公司 | 一种无线通信系统及使用该系统的空调直流电机供电系统 |
| JP2024163758A (ja) * | 2023-05-12 | 2024-11-22 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863025A (en) | 1973-04-25 | 1975-01-28 | Gte Automatic Electric Lab Inc | Data transmission method |
| US3899741A (en) * | 1973-11-12 | 1975-08-12 | Cermetek Inc | Frequency shift keyed detector |
| US4055803A (en) * | 1976-09-27 | 1977-10-25 | Kraley Raymond L | Combined watt and var transducer |
| US4201942A (en) | 1978-03-08 | 1980-05-06 | Downer Edward W | Data conversion system |
| US5677927A (en) | 1994-09-20 | 1997-10-14 | Pulson Communications Corporation | Ultrawide-band communication system and method |
| US5889819A (en) * | 1996-08-08 | 1999-03-30 | Hewlett-Packard Company | EMI reduction using double sideband suppressed carrier modulation |
| US6542015B2 (en) * | 2001-03-28 | 2003-04-01 | Texas Instruments Incorporated | Duty cycle correction circuit and apparatus and method employing same |
-
2002
- 2002-12-17 US US10/321,412 patent/US6782057B2/en not_active Expired - Fee Related
- 2002-12-19 EP EP02792501A patent/EP1459490B1/en not_active Expired - Lifetime
- 2002-12-19 AT AT02792501T patent/ATE471617T1/de not_active IP Right Cessation
- 2002-12-19 WO PCT/US2002/040964 patent/WO2003055161A2/en not_active Ceased
- 2002-12-19 AU AU2002358263A patent/AU2002358263B2/en not_active Ceased
- 2002-12-19 DE DE60236758T patent/DE60236758D1/de not_active Expired - Lifetime
-
2004
- 2004-06-18 IS IS7326A patent/IS7326A/is unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003055161A3 (en) | 2003-08-14 |
| DE60236758D1 (de) | 2010-07-29 |
| AU2002358263A1 (en) | 2003-07-09 |
| ATE471617T1 (de) | 2010-07-15 |
| US20030112892A1 (en) | 2003-06-19 |
| US6782057B2 (en) | 2004-08-24 |
| EP1459490B1 (en) | 2010-06-16 |
| WO2003055161B1 (en) | 2003-09-12 |
| EP1459490A2 (en) | 2004-09-22 |
| WO2003055161A2 (en) | 2003-07-03 |
| AU2002358263B2 (en) | 2008-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2566487A1 (en) | Time varying cyclic delay diversity of ofdm | |
| WO2001095518A3 (en) | Method and apparatus for dual-band modulation in powerline communication network systems | |
| US20090323510A1 (en) | Modulation and demodulation of OFDM signals | |
| CA2519366A1 (en) | Quadrature modulator which employs four 90-degrees-shifted carriers | |
| WO2000035160A8 (en) | Qam modulator for radio communications | |
| MY146305A (en) | Wireless communication system with improved broadcast coverage | |
| DE60230027D1 (de) | Gesteuerte modulationsverzerrung | |
| SE0004031L (sv) | Direkt digital amplitudmodulator | |
| WO2001080506A3 (en) | Receiver for use in a code shift keying spread spectrum communications system | |
| US7792214B2 (en) | Polar modulation transmitter circuit and communications device | |
| IN2014DN03502A (is) | ||
| Hori et al. | A digital radio-over-fiber downlink system based on envelope delta-sigma modulation for multi-band/mode operation | |
| US8965290B2 (en) | Amplitude enhanced frequency modulation | |
| IS7326A (is) | Aðferð og tæki til að víddarmóta gagna-merki með notkun rétthyrnds bylgju-merkis | |
| US20090245420A1 (en) | Quarter Duty Cycle Pulse Generator for Interleaved Switching Mixer | |
| JP2005045802A (ja) | 通信ネットワークにおいてfskシンボルを生成する方法及びofdm送信機 | |
| US20140018133A1 (en) | RF Communications | |
| TW200614699A (en) | Cellular communications system using baseband carrier injection and related methods | |
| KR100339126B1 (ko) | 베이스밴드 신호 처리 회로 | |
| ATE383021T1 (de) | Vorrichtung zur kontrolle eines phasenmodulators für funksignale | |
| NO20020839D0 (no) | Fremgangsmåte ved justering av frekvensforskyvning i en basisstasjonsmottager i et dataoverföringssystem | |
| WO2003023948A3 (de) | Sendeanordnung, insbesondere für den mobilfunk | |
| WO2005048462A3 (en) | System and method for an improved quadrature upconverter for i/q modulation using intermediate frequency carriers | |
| KR100246539B1 (ko) | 직접변환방식리얼제로단측파대송신장치 | |
| ATE349818T1 (de) | Anordnung zur übertragung von audio- und video- signale an mobile umts-fernsprechendgeräte und ein mobiles endgerät zur verwendung mit der anordnung |