DE3172013D1 - Transmitter-receiver to be coupled to a directional transmission line of a spread-spectrum multiplex communication network - Google Patents
Transmitter-receiver to be coupled to a directional transmission line of a spread-spectrum multiplex communication networkInfo
- Publication number
- DE3172013D1 DE3172013D1 DE8181104133T DE3172013T DE3172013D1 DE 3172013 D1 DE3172013 D1 DE 3172013D1 DE 8181104133 T DE8181104133 T DE 8181104133T DE 3172013 T DE3172013 T DE 3172013T DE 3172013 D1 DE3172013 D1 DE 3172013D1
- Authority
- DE
- Germany
- Prior art keywords
- transmitter
- spread
- receiver
- coupled
- communication network
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
- H04J13/0025—M-sequences
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7235280A JPS579144A (en) | 1980-05-30 | 1980-05-30 | Modulation and demodulation device |
JP7446980A JPS56169950A (en) | 1980-06-03 | 1980-06-03 | Multiplex communication system |
JP7446880A JPS56169951A (en) | 1980-06-03 | 1980-06-03 | Band split type spectrum diffusion multiplex communication system |
JP7447080A JPS56169954A (en) | 1980-06-03 | 1980-06-03 | Loop multiplex transmitting system |
JP55164344A JPS5787640A (en) | 1980-11-21 | 1980-11-21 | Method and apparatus for loop synchronization in spectrum scattering loop transmission system |
JP56014884A JPS57129041A (en) | 1981-02-03 | 1981-02-03 | Spectrum spread multiplex communcation system |
JP56014885A JPS57129042A (en) | 1981-02-03 | 1981-02-03 | Modulator and demodulator for spectrum spread loop multiplex transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3172013D1 true DE3172013D1 (en) | 1985-10-03 |
Family
ID=27563699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181104133T Expired DE3172013D1 (en) | 1980-05-30 | 1981-05-29 | Transmitter-receiver to be coupled to a directional transmission line of a spread-spectrum multiplex communication network |
Country Status (5)
Country | Link |
---|---|
US (1) | US4392220A (de) |
EP (1) | EP0041253B1 (de) |
AU (1) | AU537148B2 (de) |
CA (1) | CA1165476A (de) |
DE (1) | DE3172013D1 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4644523A (en) * | 1984-03-23 | 1987-02-17 | Sangamo Weston, Inc. | System for improving signal-to-noise ratio in a direct sequence spread spectrum signal receiver |
US4567588A (en) * | 1984-03-23 | 1986-01-28 | Sangamo Weston, Inc. | Synchronization system for use in direct sequence spread spectrum signal receiver |
WO1985005745A1 (en) * | 1984-05-29 | 1985-12-19 | Mesh Data Limited | Data transmission method and apparatus |
JPS6193746A (ja) * | 1984-10-12 | 1986-05-12 | Sony Corp | スペクトラム拡散通信復調装置 |
KR860001747B1 (ko) * | 1984-11-26 | 1986-10-20 | 한국과학기술원 | 부호 분할 다중 방식을 이용한 근거리 통신 방식 |
AU593564B2 (en) * | 1985-07-24 | 1990-02-15 | Nec Corporation | Spread spectrum power line communications |
US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
US4804938A (en) * | 1986-10-24 | 1989-02-14 | Sangamo Weston, Inc. | Distribution energy management system |
JPS63107328A (ja) * | 1986-10-24 | 1988-05-12 | Clarion Co Ltd | スペクトラム拡散通信方式 |
US5248891A (en) * | 1988-03-25 | 1993-09-28 | Hiroshi Takato | High integration semiconductor device |
US4977577A (en) * | 1988-11-02 | 1990-12-11 | Axonn Corporation | Wireless alarm system |
US5095493A (en) * | 1988-11-02 | 1992-03-10 | Axonn Corporation | Wireless alarm system |
US5067136A (en) * | 1988-11-02 | 1991-11-19 | Axonn Corporation | Wireless alarm system |
US5987058A (en) * | 1988-11-02 | 1999-11-16 | Axonn Corporation | Wireless alarm system |
US5025452A (en) * | 1990-03-20 | 1991-06-18 | Andrew Corporation | Full-duplex, sub-band spread spectrum communications system |
US6693951B1 (en) * | 1990-06-25 | 2004-02-17 | Qualcomm Incorporated | System and method for generating signal waveforms in a CDMA cellular telephone system |
JPH0777362B2 (ja) * | 1990-08-28 | 1995-08-16 | クラリオン株式会社 | スペクトラム拡散通信装置 |
US5506864A (en) * | 1990-12-05 | 1996-04-09 | Interdigital Technology Corporation | CDMA communications and geolocation system and method |
US5228056A (en) * | 1990-12-14 | 1993-07-13 | Interdigital Technology Corporation | Synchronous spread-spectrum communications system and method |
US5365544A (en) * | 1990-12-05 | 1994-11-15 | Interdigital Technology Corporation | CDMA communications and geolocation system and method |
US7020125B2 (en) * | 1990-12-05 | 2006-03-28 | Interdigital Technology Corporation | Broadband CDMA overlay system and method |
US5467367A (en) * | 1991-06-07 | 1995-11-14 | Canon Kabushiki Kaisha | Spread spectrum communication apparatus and telephone exchange system |
BR9206980A (pt) * | 1991-12-23 | 1995-12-05 | Compfax Corp | Sistema de transmissão de TV sem varredura |
US5260967A (en) * | 1992-01-13 | 1993-11-09 | Interdigital Technology Corporation | CDMA/TDMA spread-spectrum communications system and method |
US5546424A (en) * | 1993-06-30 | 1996-08-13 | Casio Computer Co., Ltd. | Spread spectrum communication system |
KR960003847B1 (ko) * | 1993-09-18 | 1996-03-22 | 삼성전자주식회사 | 대역 확산 통신 방식 데이타 변복조장치 |
US5553126A (en) * | 1995-01-20 | 1996-09-03 | Gte Laboratories Incorporated | Secure anti-jamming wireless party line |
US5675629A (en) * | 1995-09-08 | 1997-10-07 | At&T | Cordless cellular system base station |
US5911120A (en) | 1995-09-08 | 1999-06-08 | At&T Wireless Services | Wireless communication system having mobile stations establish a communication link through the base station without using a landline or regional cellular network and without a call in progress |
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
US5995536A (en) * | 1998-01-23 | 1999-11-30 | Bsd Broadband, N.V. | System for discrete data transmission with noise-like, broadband signals |
US7230974B1 (en) * | 1999-05-18 | 2007-06-12 | Polytechnic University | Methods and apparatus for synchronizing and/or determining the location of nodes |
US6751335B1 (en) * | 2000-11-01 | 2004-06-15 | Eastman Kodak Company | Method for generating a dispersed message for data embedding |
US7305020B2 (en) * | 2002-02-04 | 2007-12-04 | Vizionware, Inc. | Method and system of reducing electromagnetic interference emissions |
US8699505B2 (en) * | 2002-05-31 | 2014-04-15 | Qualcomm Incorporated | Dynamic channelization code allocation |
DE10231648B4 (de) * | 2002-07-12 | 2007-05-03 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Stuffing-Regelung |
US20050105591A1 (en) * | 2003-02-28 | 2005-05-19 | Xemi, Inc. | Noise source synchronization for power spread signals |
US7933250B2 (en) * | 2003-06-23 | 2011-04-26 | Qualcomm Incorporated | Code channel management in a wireless communications system |
US8072942B2 (en) * | 2003-11-26 | 2011-12-06 | Qualcomm Incorporated | Code channel management in a wireless communications system |
US7639596B2 (en) * | 2003-12-07 | 2009-12-29 | Adaptive Spectrum And Signal Alignment, Inc. | High speed multiple loop DSL system |
US7324167B2 (en) * | 2004-03-02 | 2008-01-29 | Magenta Research | High-quality twisted-pair transmission line system for high-resolution video |
US20070206641A1 (en) * | 2005-11-10 | 2007-09-06 | X-Emi, Inc. | Encoding and deserialization-serialization for digital signals |
US20080250175A1 (en) * | 2007-04-03 | 2008-10-09 | Vizionware, Inc. | Cable assembly having an adaptive two-wire bus |
US20080246626A1 (en) * | 2007-04-03 | 2008-10-09 | Vizionware, Inc. | Data transaction direction detection in an adaptive two-wire bus |
US20080247414A1 (en) * | 2007-04-03 | 2008-10-09 | Vizionware, Inc. | Clock stretching in an adaptive two-wire bus |
US20080250170A1 (en) * | 2007-04-03 | 2008-10-09 | Vizionware, Inc. | Clock mode detection in an adaptive two-wire bus |
US20080250184A1 (en) * | 2007-04-03 | 2008-10-09 | Vizionware, Inc. | Adaptive two-wire bus |
JP4857180B2 (ja) * | 2007-05-08 | 2012-01-18 | キヤノン株式会社 | 画像処理装置および画像処理方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE701608C (de) * | 1938-06-27 | 1941-01-20 | Siemens & Halske Akt Ges | Mehrfachtraegerfrequenzsystem |
DE722561C (de) * | 1938-07-10 | 1942-07-13 | Siemens Ag | Verstaerker fuer zwischen Fernaemtern verlaufende Freileitungen |
SE370267B (de) * | 1972-03-24 | 1974-10-07 | Bygg Och Transportekonomie Ab | |
US4301530A (en) * | 1978-12-18 | 1981-11-17 | The United States Of America As Represented By The Secretary Of The Army | Orthogonal spread spectrum time division multiple accessing mobile subscriber access system |
US4281409A (en) * | 1979-06-25 | 1981-07-28 | Schneider Kenneth S | Method and apparatus for multiplex binary data communication |
US4293953A (en) * | 1979-12-28 | 1981-10-06 | The United States Of America As Represented By The Secretary Of The Army | Bi-orthogonal PCM communications system employing multiplexed noise codes |
-
1981
- 1981-05-15 US US06/264,163 patent/US4392220A/en not_active Expired - Lifetime
- 1981-05-29 DE DE8181104133T patent/DE3172013D1/de not_active Expired
- 1981-05-29 CA CA000378694A patent/CA1165476A/en not_active Expired
- 1981-05-29 AU AU71156/81A patent/AU537148B2/en not_active Ceased
- 1981-05-29 EP EP81104133A patent/EP0041253B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU7115681A (en) | 1981-12-03 |
CA1165476A (en) | 1984-04-10 |
EP0041253A1 (de) | 1981-12-09 |
EP0041253B1 (de) | 1985-08-28 |
US4392220A (en) | 1983-07-05 |
AU537148B2 (en) | 1984-06-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |