BR0215566A - Modulação através de pulsos múltiplos por chaveamento de grupo e método de utilização da mesma - Google Patents

Modulação através de pulsos múltiplos por chaveamento de grupo e método de utilização da mesma

Info

Publication number
BR0215566A
BR0215566A BR0215566-4A BR0215566A BR0215566A BR 0215566 A BR0215566 A BR 0215566A BR 0215566 A BR0215566 A BR 0215566A BR 0215566 A BR0215566 A BR 0215566A
Authority
BR
Brazil
Prior art keywords
group
propagated signal
group switching
modulation
time period
Prior art date
Application number
BR0215566-4A
Other languages
English (en)
Inventor
Clinton S Hartmann
Original Assignee
Rf Saw Components Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rf Saw Components Inc filed Critical Rf Saw Components Inc
Publication of BR0215566A publication Critical patent/BR0215566A/pt

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/04—Position modulation, i.e. PPM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Electronic Switches (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

"MODULAçãO ATRAVéS DE PULSOS MúLTIPLOS POR CHAVEAMENTO DE GRUPO E MéTODO DE UTILIZAçãO DA MESMA". A presente invenção fornece um sinal propagado que utiliza pulso múltiplo por chaveamento de grupo e um método de utilizar o mesmo. Em uma versão, o sinal propagado inclui: (1) um elemento de dado contido dentro de um período de tempo do sinal propagado, o período de tempo dividido em um grupo de intervalos de tempo; e (2) pulsos múltiplos distribuídos de maneira predeterminada entre os intervalos de tempo por chaveamento de grupo de pulso para codificar os dados.
BR0215566-4A 2002-01-30 2002-12-26 Modulação através de pulsos múltiplos por chaveamento de grupo e método de utilização da mesma BR0215566A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/066,173 US20030142691A1 (en) 2002-01-30 2002-01-30 Modulation by multiple pulse per group keying and method of using the same
PCT/US2002/041521 WO2003065674A1 (en) 2002-01-30 2002-12-26 Modulation by multiple pulse per group keying and method of using the same

Publications (1)

Publication Number Publication Date
BR0215566A true BR0215566A (pt) 2004-12-07

Family

ID=27610444

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0215566-4A BR0215566A (pt) 2002-01-30 2002-12-26 Modulação através de pulsos múltiplos por chaveamento de grupo e método de utilização da mesma

Country Status (9)

Country Link
US (1) US20030142691A1 (pt)
EP (1) EP1477001A1 (pt)
JP (1) JP2005516543A (pt)
KR (1) KR20040089132A (pt)
CN (1) CN1623307A (pt)
BR (1) BR0215566A (pt)
CA (1) CA2474363A1 (pt)
NZ (1) NZ534423A (pt)
WO (1) WO2003065674A1 (pt)

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KR100486541B1 (ko) * 2002-11-07 2005-05-03 엘지전자 주식회사 무선 통신 데이터 호 다중 접속 시스템 및 방법
US7764178B2 (en) 2003-03-03 2010-07-27 Veroscan, Inc. Interrogator and interrogation system employing the same
US7893840B2 (en) 2003-03-03 2011-02-22 Veroscan, Inc. Interrogator and interrogation system employing the same
US8542717B2 (en) 2003-03-03 2013-09-24 Veroscan, Inc. Interrogator and interrogation system employing the same
US7671744B2 (en) * 2003-03-03 2010-03-02 Veroscan, Inc. Interrogator and interrogation system employing the same
US7019650B2 (en) 2003-03-03 2006-03-28 Caducys, L.L.C. Interrogator and interrogation system employing the same
US8063760B2 (en) 2003-03-03 2011-11-22 Veroscan, Inc. Interrogator and interrogation system employing the same
US7411506B2 (en) 2003-03-03 2008-08-12 Veroscan, Inc. Interrogator and interrogation system employing the same
US8174366B2 (en) 2003-03-03 2012-05-08 Veroscan, Inc. Interrogator and interrogation system employing the same
NL1023183C2 (nl) * 2003-04-15 2004-10-18 Highteegolf B V Systeem en werkwijze voor het lokaliseren van sportbenodigdheden.
NL1024190C2 (nl) * 2003-04-15 2004-11-15 Highteegolf B V Lokalisatiesysteem en werkwijze voor het lokaliseren van objecten of dieren met behulp van een dergelijk lokalisatiesysteem.
WO2005086072A1 (en) 2004-03-03 2005-09-15 Caducys, L.L.C. Interrogator and interrogation system employing the same
US20060017545A1 (en) * 2004-03-26 2006-01-26 Volpi John P Radio frequency identification interrogation systems and methods of operating the same
US7501948B2 (en) 2004-09-29 2009-03-10 Lone Star Ip Holdings, Lp Interrogation system employing prior knowledge about an object to discern an identity thereof
US20070035383A1 (en) * 2005-08-09 2007-02-15 Roemerman Steven D Radio frequency identification interrogation systems and methods of operating the same
EP1956734B1 (en) * 2007-02-06 2009-12-30 Oerlikon Space AG Optical high-rate pulse position modulation scheme and optical communications system based thereon
US7755491B2 (en) 2007-08-13 2010-07-13 Veroscan, Inc. Interrogator and interrogation system employing the same
US9035774B2 (en) 2011-04-11 2015-05-19 Lone Star Ip Holdings, Lp Interrogator and system employing the same
US9176920B2 (en) * 2012-10-24 2015-11-03 Sandisk Technologies Inc. Multi-level encoded data transfer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5113527B1 (pt) * 1971-02-25 1976-04-30
JPS62262533A (ja) * 1986-04-30 1987-11-14 ジ−メンス・アクチエンゲゼルシヤフト Ｄｐｃｍ値伝送方法
US4852090A (en) * 1987-02-02 1989-07-25 Motorola, Inc. TDMA communications system with adaptive equalization
US5243626A (en) * 1991-08-29 1993-09-07 Apple Computer, Inc. Method for clocks synchronization for receiving pulse position encoded signals
EP1229672B9 (en) * 1994-09-21 2004-11-17 Hill-Rom Services, Inc. Optical data communication and location apparatus
JP3307527B2 (ja) * 1995-09-29 2002-07-24 シャープ株式会社 Ｐｐｍ復調装置
JPH09321660A (ja) * 1996-05-24 1997-12-12 Ricoh Co Ltd スペクトル拡散パルス位置変調通信方法，スペクトル拡散パルス位置変調送信機及びスペクトル拡散パルス位置変調受信機
US6041074A (en) * 1996-05-24 2000-03-21 Ricoh Company, Ltd. Spread spectrum pulse position modulation system
US6236855B1 (en) * 1997-05-01 2001-05-22 Bellsouth Intellectual Property Management Corporation Method for voice quality improvement in a wireless transmission system
US6151149A (en) * 1998-04-04 2000-11-21 Sigmatel, Inc Method and apparatus for pulse pattern modulation
EP1098297A1 (en) * 1999-11-02 2001-05-09 BRITISH TELECOMMUNICATIONS public limited company Speech recognition

Also Published As

Publication number Publication date
US20030142691A1 (en) 2003-07-31
NZ534423A (en) 2006-09-29
EP1477001A1 (en) 2004-11-17
CN1623307A (zh) 2005-06-01
KR20040089132A (ko) 2004-10-20
CA2474363A1 (en) 2003-08-07
JP2005516543A (ja) 2005-06-02
WO2003065674A1 (en) 2003-08-07

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE 6A. 7A. E 8A. ANUIDADE(S).

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2108 DE 31/05/2011.