HK1023239A1 - Dual-mode radiotelephone apparatus for digital or analog modulation - Google Patents

Dual-mode radiotelephone apparatus for digital or analog modulation

Info

Publication number
HK1023239A1
HK1023239A1 HK00102227A HK00102227A HK1023239A1 HK 1023239 A1 HK1023239 A1 HK 1023239A1 HK 00102227 A HK00102227 A HK 00102227A HK 00102227 A HK00102227 A HK 00102227A HK 1023239 A1 HK1023239 A1 HK 1023239A1
Authority
HK
Hong Kong
Prior art keywords
dual
digital
analog modulation
radiotelephone apparatus
mode radiotelephone
Prior art date
Application number
HK00102227A
Other languages
English (en)
Inventor
Paul W Dent
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of HK1023239A1 publication Critical patent/HK1023239A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
HK00102227A 1996-10-11 2000-04-12 Dual-mode radiotelephone apparatus for digital or analog modulation HK1023239A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/730,670 US6546044B1 (en) 1996-10-11 1996-10-11 Dual-mode radiotelephone apparatus for digital or analog modulation
PCT/US1997/017542 WO1998017012A1 (en) 1996-10-11 1997-10-07 Dual-mode radiotelephone apparatus for digital or analog modulation

Publications (1)

Publication Number Publication Date
HK1023239A1 true HK1023239A1 (en) 2000-09-01

Family

ID=24936321

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00102227A HK1023239A1 (en) 1996-10-11 2000-04-12 Dual-mode radiotelephone apparatus for digital or analog modulation

Country Status (12)

Country Link
US (1) US6546044B1 (xx)
JP (1) JP2001502496A (xx)
CN (1) CN1115791C (xx)
AU (1) AU4802997A (xx)
BR (1) BR9712510A (xx)
EE (1) EE9900143A (xx)
ES (1) ES2152907B1 (xx)
GB (1) GB2333195B (xx)
HK (1) HK1023239A1 (xx)
ID (1) ID22154A (xx)
SE (1) SE9901238D0 (xx)
WO (1) WO1998017012A1 (xx)

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US8050345B1 (en) 1999-08-09 2011-11-01 Kamilo Feher QAM and GMSK systems
US7079584B2 (en) * 1998-08-10 2006-07-18 Kamilo Feher OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation
US7593481B2 (en) * 1998-08-31 2009-09-22 Kamilo Feher CDMA, W-CDMA, 3rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems
US7415066B2 (en) * 1998-08-10 2008-08-19 Kamilo Feher Mis-matched modulation-demodulation format selectable filters
US7548787B2 (en) 2005-08-03 2009-06-16 Kamilo Feher Medical diagnostic and communication system
US6470055B1 (en) 1998-08-10 2002-10-22 Kamilo Feher Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
DE69821765D1 (de) 1998-11-06 2004-03-25 Bosch Gmbh Robert Umschaltbare Schleife für Frequenzaufwärtswandlung für eine Senderstufe eines Mobiltelefons
US6249686B1 (en) * 1998-12-22 2001-06-19 Philips Electronics N.A. Corp. Internal circuit for adaptive mode selection of multi-mode RF integrated circuit
US6785525B2 (en) 1999-05-21 2004-08-31 Telefonaktiebolaget L M Ericsson (Publ) Multiband frequency generation using a single PLL-circuit
US9373251B2 (en) 1999-08-09 2016-06-21 Kamilo Feher Base station devices and automobile wireless communication systems
US7260369B2 (en) * 2005-08-03 2007-08-21 Kamilo Feher Location finder, tracker, communication and remote control system
US9307407B1 (en) 1999-08-09 2016-04-05 Kamilo Feher DNA and fingerprint authentication of mobile devices
US9813270B2 (en) 1999-08-09 2017-11-07 Kamilo Feher Heart rate sensor and medical diagnostics wireless devices
US6810266B1 (en) * 1999-11-16 2004-10-26 Freescale Semiconductor, Inc. Digitally controlled radio back-end
JP2001155574A (ja) * 1999-11-24 2001-06-08 Alps Electric Co Ltd スイッチ入力処理モジュール
JP2001168757A (ja) 1999-12-14 2001-06-22 Matsushita Electric Ind Co Ltd 通信装置、通信装置の周波数制御方法および記録媒体
GB0000944D0 (en) * 2000-01-14 2000-03-08 Simoco Int Ltd Radio receivers
US6747987B1 (en) * 2000-02-29 2004-06-08 Motorola, Inc. Transmit modulation circuit and method of operating a transmitter
JP2002300487A (ja) * 2001-03-30 2002-10-11 Matsushita Electric Ind Co Ltd 受信装置
US6856788B2 (en) * 2001-04-20 2005-02-15 Mastek International Wireless IC interconnection method and system
US7715809B2 (en) * 2001-10-15 2010-05-11 Broadcom Corporation EDGE modulator
DE10209516A1 (de) * 2002-03-04 2003-07-17 Infineon Technologies Ag Sendeanordnung
GB2396276A (en) * 2002-12-10 2004-06-16 Ttp Com Ltd A receiver using different sampling rates for 2G and 3G signals
GB2402006B (en) * 2003-05-23 2005-08-10 Motorola Inc Analog to digital converter
JP4401857B2 (ja) * 2004-04-27 2010-01-20 パナソニック株式会社 デジタル変調装置および方法
US7359449B2 (en) * 2004-10-05 2008-04-15 Kamilo Feher Data communication for wired and wireless communication
US7421004B2 (en) * 2004-10-05 2008-09-02 Kamilo Feher Broadband, ultra wideband and ultra narrowband reconfigurable interoperable systems
US7398071B2 (en) * 2004-12-17 2008-07-08 Broadcom Corporation Loop filter with gear shift for improved fractional-N PLL settling time
US7280810B2 (en) * 2005-08-03 2007-10-09 Kamilo Feher Multimode communication system
US10009956B1 (en) 2017-09-02 2018-06-26 Kamilo Feher OFDM, 3G and 4G cellular multimode systems and wireless mobile networks
US7265702B1 (en) * 2006-07-17 2007-09-04 Fortemedia, Inc. Method for converting an analog signal to multiple different phase outputs utilizing an analog-to-digital converter
US8089854B2 (en) * 2007-04-03 2012-01-03 Qualcomm, Incorporated Companded transmit path for wireless communication
US20090093223A1 (en) * 2007-10-05 2009-04-09 Matsushita Electric Industrial Co., Ltd. Methods and apparatus for reducing radiated field feedback in radio frequency transmitters
US20090227273A1 (en) * 2008-03-06 2009-09-10 Matsushita Electric Industrial Co., Ltd. Split analog-digital radio systems and methods
KR20100042817A (ko) * 2008-10-17 2010-04-27 삼성전자주식회사 다단계 채널 필터를 가지는 무선 통신 시스템의 송수신 장치
TWI520491B (zh) * 2011-08-04 2016-02-01 鈺創科技股份有限公司 雙倍幅時脈產生器及電荷幫浦
US9246722B2 (en) 2012-03-20 2016-01-26 Intel Deutschland Gmbh Device for providing a differential output signal and method for providing a differential output signal
JP6454596B2 (ja) * 2015-05-13 2019-01-16 株式会社日立製作所 無線機
CN110071729A (zh) * 2018-01-22 2019-07-30 海能达通信股份有限公司 环路滤波器带宽的控制方法及装置
CN117526585B (zh) * 2024-01-03 2024-03-29 成都市易冲半导体有限公司 一种相位解调电路、无线功率发射端及无线充电系统

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US4737968A (en) 1985-10-25 1988-04-12 Phillips Petroleum Company QPSK transmission system having phaselocked tracking filter for spectrum shaping
SE463540B (sv) 1988-09-19 1990-12-03 Ericsson Telefon Ab L M Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet
SE8903799D0 (sv) 1989-11-13 1989-11-13 Ericsson Telefon Ab L M Foerfarande och anordning foer att variera slingbandbredden hos en faslaast slinga
US5180993A (en) 1990-01-15 1993-01-19 Telefonaktiebolaget L M Ericsson Method and arrangement for frequency synthesis
US5020076A (en) 1990-05-21 1991-05-28 Motorola, Inc. Hybrid modulation apparatus
US5163159A (en) 1990-07-30 1992-11-10 Motorola, Inc. Dual mode automatic frequency control
GB2247368B (en) 1990-08-25 1994-08-24 Roke Manor Research Phase modulation signal generator
JP2749456B2 (ja) 1991-03-06 1998-05-13 三菱電機株式会社 無線通信機
US5228074A (en) * 1991-04-15 1993-07-13 Sony Corporation Dual mode cellular telephone apparatus
US5530722A (en) * 1992-10-27 1996-06-25 Ericsson Ge Mobile Communications Inc. Quadrature modulator with integrated distributed RC filters
US5745523A (en) * 1992-10-27 1998-04-28 Ericsson Inc. Multi-mode signal processing
US5392460A (en) * 1993-04-23 1995-02-21 Nokia Mobile Phones Ltd. Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation
US5642378A (en) * 1994-11-17 1997-06-24 Denheyer; Brian John Dual mode analog and digital cellular phone

Also Published As

Publication number Publication date
GB2333195B (en) 2000-11-01
JP2001502496A (ja) 2001-02-20
WO1998017012A1 (en) 1998-04-23
GB2333195A (en) 1999-07-14
AU4802997A (en) 1998-05-11
GB9907233D0 (en) 1999-05-26
SE9901238D0 (sv) 1999-04-07
ID22154A (id) 1999-09-09
ES2152907A1 (es) 2001-02-01
EE9900143A (et) 1999-12-15
US6546044B1 (en) 2003-04-08
CN1240069A (zh) 1999-12-29
CN1115791C (zh) 2003-07-23
BR9712510A (pt) 1999-10-19
ES2152907B1 (es) 2001-08-16

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20071007