TW406488B - Communications system - Google Patents
Communications system Download PDFInfo
- Publication number
- TW406488B TW406488B TW087107061A TW87107061A TW406488B TW 406488 B TW406488 B TW 406488B TW 087107061 A TW087107061 A TW 087107061A TW 87107061 A TW87107061 A TW 87107061A TW 406488 B TW406488 B TW 406488B
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- Taiwan
- Prior art keywords
- frequency
- electromagnetic wave
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- carrier
- Prior art date
Links
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- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
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- FTWRSWRBSVXQPI-UHFFFAOYSA-N alumanylidynearsane;gallanylidynearsane Chemical compound [As]#[Al].[As]#[Ga] FTWRSWRBSVXQPI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/008—Polarisation modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/532—Polarisation modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Near-Field Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Eye Examination Apparatus (AREA)
- Waveguide Connection Structure (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Selective Calling Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/853,833 US6204810B1 (en) | 1997-05-09 | 1997-05-09 | Communications system |
| US09/064,525 US6271790B2 (en) | 1997-05-09 | 1998-04-23 | Communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW406488B true TW406488B (en) | 2000-09-21 |
Family
ID=26744607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087107061A TW406488B (en) | 1997-05-09 | 1998-05-07 | Communications system |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6570536B2 (enExample) |
| EP (1) | EP0988663B1 (enExample) |
| JP (1) | JP4138894B2 (enExample) |
| CN (1) | CN1322631C (enExample) |
| AT (1) | ATE372613T1 (enExample) |
| AU (1) | AU7474898A (enExample) |
| CA (1) | CA2290613C (enExample) |
| DE (1) | DE69838384T2 (enExample) |
| ID (1) | ID28950A (enExample) |
| NZ (1) | NZ500827A (enExample) |
| TW (1) | TW406488B (enExample) |
| WO (1) | WO1998050983A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9337927B2 (en) | 2013-12-31 | 2016-05-10 | Industrial Technology Research Institute | Transmitting apparatus and receiving apparatus for visible light communication, and visible light communication system |
| TWI552909B (zh) * | 2013-07-30 | 2016-10-11 | Vehicle visible light communication system |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1170704A1 (en) * | 2000-07-04 | 2002-01-09 | acter AG | Portable access authorization device, GPS receiver and antenna |
| US8253626B2 (en) * | 2008-02-25 | 2012-08-28 | Q-Track Corporation | Multiple phase state near-field electromagnetic system and method for communication and location |
| US20040166817A1 (en) * | 2003-01-20 | 2004-08-26 | Mehran Mokhtari | System, method and apparatus for burst communications |
| US8022827B2 (en) * | 2005-10-13 | 2011-09-20 | Bae Systems Information And Electronic Systems Integration Inc. | Omnidirectional RFID antenna |
| US20070138150A1 (en) * | 2005-12-20 | 2007-06-21 | Honeywell International, Inc. | Hand-held laser welding wand position determination system and method |
| US7663548B2 (en) * | 2006-03-24 | 2010-02-16 | The Aerospace Corporation | Switched combiner GPS receiver system |
| JP5335920B2 (ja) * | 2008-08-28 | 2013-11-06 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | 隣接セル領域間の改善された隔離のための構成 |
| TWI507702B (zh) * | 2011-10-07 | 2015-11-11 | Silicon Image Inc | 測試系統、識別待測裝置中缺陷之方法、電腦可讀儲存媒體、高速輸出入裝置及其測試方法 |
| DE102012001899A1 (de) * | 2012-02-01 | 2013-08-01 | Bernhard Holldack | Rotations-Feld-Antennen-Modul, kurz RFA-Modul. Sternförmige Antenne mit Steuerungselektronik für die Erzeugung sich drehender elektromagnetischer Felder. Ein Verfahren zum Orten von beweglichen und stationären Objekten. |
| US10078232B1 (en) * | 2014-07-11 | 2018-09-18 | Acacia Communications, Inc. | Advanced optical modulation generation by combining orthogonal polarized optical signals |
| CN104283833A (zh) * | 2014-09-29 | 2015-01-14 | 大唐移动通信设备有限公司 | 一种多载波叠加方法及设备 |
| JP6228108B2 (ja) | 2014-12-18 | 2017-11-08 | 株式会社日立製作所 | 無線通信システム |
| JP6322594B2 (ja) | 2015-03-03 | 2018-05-09 | 株式会社日立製作所 | 無線通信システム及び無線通信用受信機 |
| US9425808B1 (en) * | 2015-06-05 | 2016-08-23 | Texas Instruments Incorporated | Frequency detector |
| DE202015005283U1 (de) * | 2015-07-29 | 2015-09-18 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Datenerfassunssystem mit einem Mehrantennen-Datensammler mit intregirter Quellentrennung durch räumliche Filterung zum Empfang von Messwerten von Verbrauchszählern |
| US10439282B2 (en) * | 2016-01-19 | 2019-10-08 | Phase Sensitive Innovations, Inc. | Beam steering antenna transmitter, multi-user antenna MIMO transmitter and related methods of communication |
| US10804997B2 (en) | 2017-02-10 | 2020-10-13 | CTwists, LLC | Apparatus and method for generating and capturing a transmission wave and apparatus and method for transmitting and receiving digital information |
| JP6952536B2 (ja) * | 2017-08-24 | 2021-10-20 | 株式会社日立製作所 | 無線通信システム |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3093824A (en) * | 1959-02-17 | 1963-06-11 | Singer Inc H R B | Communication system using circular polarization |
| US3111668A (en) * | 1960-08-22 | 1963-11-19 | Avco Corp | Polarization diversity modulation |
| US3656161A (en) * | 1969-12-31 | 1972-04-11 | Bell Telephone Labor Inc | Maintaining a circularly polarized magnetic field at a moving point |
| US3760274A (en) * | 1971-10-13 | 1973-09-18 | Us Army | Modulation of polarization orientation and concurrent conventional modulation of the same radiated carrier |
| US4198641A (en) * | 1976-08-09 | 1980-04-15 | Rca Corporation | Rotating field polarization antenna system |
| US4295140A (en) * | 1979-12-21 | 1981-10-13 | Nasa | Faraday rotation measurement method and apparatus |
| FR2609224B1 (fr) * | 1986-12-30 | 1989-04-07 | Thomson Csf | Dispositif et procede de transmission et/ou d'acquisition des donnees utilisant deux polarisations croisees d'une onde electromagnetique et dispositif d'enregistrement magnetique |
| US5592177A (en) * | 1993-06-11 | 1997-01-07 | Autometric, Incorporated | Polarization-rotation modulated, spread polarization-rotation, wide-bandwidth radio-wave communications system |
| GB9313981D0 (en) * | 1993-07-06 | 1993-08-18 | Plessey Semiconductors Ltd | Wide-band microwave modulator arrangements |
| US5764696A (en) * | 1995-06-02 | 1998-06-09 | Time Domain Corporation | Chiral and dual polarization techniques for an ultra-wide band communication system |
| JPH08340290A (ja) * | 1995-06-09 | 1996-12-24 | Tsujita Masao | 短波送信装置 |
-
1998
- 1998-05-07 TW TW087107061A patent/TW406488B/zh not_active IP Right Cessation
- 1998-05-08 CN CNB988069911A patent/CN1322631C/zh not_active Expired - Fee Related
- 1998-05-08 CA CA002290613A patent/CA2290613C/en not_active Expired - Fee Related
- 1998-05-08 WO PCT/US1998/009387 patent/WO1998050983A1/en not_active Ceased
- 1998-05-08 JP JP54851398A patent/JP4138894B2/ja not_active Expired - Fee Related
- 1998-05-08 AT AT98922139T patent/ATE372613T1/de not_active IP Right Cessation
- 1998-05-08 DE DE69838384T patent/DE69838384T2/de not_active Expired - Fee Related
- 1998-05-08 NZ NZ500827A patent/NZ500827A/en not_active IP Right Cessation
- 1998-05-08 EP EP98922139A patent/EP0988663B1/en not_active Expired - Lifetime
- 1998-05-08 AU AU74748/98A patent/AU7474898A/en not_active Abandoned
- 1998-08-05 ID IDW991547A patent/ID28950A/id unknown
-
2001
- 2001-07-09 US US09/899,821 patent/US6570536B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI552909B (zh) * | 2013-07-30 | 2016-10-11 | Vehicle visible light communication system | |
| US9337927B2 (en) | 2013-12-31 | 2016-05-10 | Industrial Technology Research Institute | Transmitting apparatus and receiving apparatus for visible light communication, and visible light communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002513537A (ja) | 2002-05-08 |
| NZ500827A (en) | 2001-09-28 |
| JP4138894B2 (ja) | 2008-08-27 |
| HK1026778A1 (en) | 2000-12-22 |
| DE69838384T2 (de) | 2008-05-29 |
| AU7474898A (en) | 1998-11-27 |
| CA2290613C (en) | 2007-12-04 |
| EP0988663B1 (en) | 2007-09-05 |
| CN1322631C (zh) | 2007-06-20 |
| EP0988663A4 (en) | 2000-07-19 |
| EP0988663A1 (en) | 2000-03-29 |
| CA2290613A1 (en) | 1998-11-12 |
| DE69838384D1 (de) | 2007-10-18 |
| US6570536B2 (en) | 2003-05-27 |
| ID28950A (id) | 2001-07-19 |
| US20020057218A1 (en) | 2002-05-16 |
| WO1998050983A1 (en) | 1998-11-12 |
| HK1030104A1 (zh) | 2001-04-20 |
| CN1262797A (zh) | 2000-08-09 |
| ATE372613T1 (de) | 2007-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GD4A | Issue of patent certificate for granted invention patent | ||
| MM4A | Annulment or lapse of patent due to non-payment of fees |