SE9901238D0 - Dual-mode radiotelephone apparatus for digital or analog modulation - Google Patents
Dual-mode radiotelephone apparatus for digital or analog modulationInfo
- Publication number
- SE9901238D0 SE9901238D0 SE9901238A SE9901238A SE9901238D0 SE 9901238 D0 SE9901238 D0 SE 9901238D0 SE 9901238 A SE9901238 A SE 9901238A SE 9901238 A SE9901238 A SE 9901238A SE 9901238 D0 SE9901238 D0 SE 9901238D0
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- digital
- analog
- mode
- analog modulation
- Prior art date
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)
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 |
---|---|
SE9901238D0 true SE9901238D0 (sv) | 1999-04-07 |
Family
ID=24936321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9901238A SE9901238D0 (sv) | 1996-10-11 | 1999-04-07 | Dual-mode radiotelephone apparatus for digital or analog modulation |
Country Status (12)
Country | Link |
---|---|
US (1) | US6546044B1 (ja) |
JP (1) | JP2001502496A (ja) |
CN (1) | CN1115791C (ja) |
AU (1) | AU4802997A (ja) |
BR (1) | BR9712510A (ja) |
EE (1) | EE9900143A (ja) |
ES (1) | ES2152907B1 (ja) |
GB (1) | GB2333195B (ja) |
HK (1) | HK1023239A1 (ja) |
ID (1) | ID22154A (ja) |
SE (1) | SE9901238D0 (ja) |
WO (1) | WO1998017012A1 (ja) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19823103C2 (de) * | 1998-05-22 | 2002-09-26 | Ericsson Telefon Ab L M | Mehrfachband-Frequenzgenerierung mit einer PLL-Schaltung |
US8050345B1 (en) | 1999-08-09 | 2011-11-01 | Kamilo Feher | QAM and GMSK systems |
US7415066B2 (en) * | 1998-08-10 | 2008-08-19 | Kamilo Feher | Mis-matched modulation-demodulation format selectable filters |
US7079584B2 (en) * | 1998-08-10 | 2006-07-18 | Kamilo Feher | OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation |
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 |
US7548787B2 (en) * | 2005-08-03 | 2009-06-16 | Kamilo Feher | Medical diagnostic and communication system |
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 |
EP0999641B1 (en) * | 1998-11-06 | 2004-02-18 | Robert Bosch Gmbh | A switchable up-conversion loop for a transmitting stage of a mobile phone |
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 |
US9813270B2 (en) | 1999-08-09 | 2017-11-07 | Kamilo Feher | Heart rate sensor and medical diagnostics wireless devices |
US9307407B1 (en) | 1999-08-09 | 2016-04-05 | Kamilo Feher | DNA and fingerprint authentication of mobile devices |
US7260369B2 (en) | 2005-08-03 | 2007-08-21 | Kamilo Feher | Location finder, tracker, communication and remote control system |
US9373251B2 (en) | 1999-08-09 | 2016-06-21 | Kamilo Feher | Base station devices and automobile wireless communication systems |
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 |
EP1303074B1 (en) * | 2001-10-15 | 2015-04-08 | Broadcom Corporation | Symbol synchronisation in EDGE handsets |
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 |
US7421004B2 (en) * | 2004-10-05 | 2008-09-02 | Kamilo Feher | Broadband, ultra wideband and ultra narrowband reconfigurable interoperable systems |
US7359449B2 (en) * | 2004-10-05 | 2008-04-15 | Kamilo Feher | Data communication for wired and wireless communication |
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 |
US9225565B2 (en) * | 2012-03-20 | 2015-12-29 | Intel Deutschland Gmbh | Device for generating a vector-modulated output signal and method for generating a vector-modulated 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 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
1996
- 1996-10-11 US US08/730,670 patent/US6546044B1/en not_active Expired - Lifetime
-
1997
- 1997-10-07 CN CN97180543A patent/CN1115791C/zh not_active Expired - Fee Related
- 1997-10-07 AU AU48029/97A patent/AU4802997A/en not_active Abandoned
- 1997-10-07 WO PCT/US1997/017542 patent/WO1998017012A1/en not_active IP Right Cessation
- 1997-10-07 ID IDW990317A patent/ID22154A/id unknown
- 1997-10-07 JP JP10518380A patent/JP2001502496A/ja active Pending
- 1997-10-07 ES ES009950017A patent/ES2152907B1/es not_active Expired - Fee Related
- 1997-10-07 EE EEP199900143A patent/EE9900143A/xx unknown
- 1997-10-07 GB GB9907233A patent/GB2333195B/en not_active Expired - Fee Related
- 1997-10-07 BR BR9712510-5A patent/BR9712510A/pt not_active IP Right Cessation
-
1999
- 1999-04-07 SE SE9901238A patent/SE9901238D0/xx not_active Application Discontinuation
-
2000
- 2000-04-12 HK HK00102227A patent/HK1023239A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ID22154A (id) | 1999-09-09 |
GB9907233D0 (en) | 1999-05-26 |
JP2001502496A (ja) | 2001-02-20 |
CN1115791C (zh) | 2003-07-23 |
GB2333195B (en) | 2000-11-01 |
ES2152907B1 (es) | 2001-08-16 |
AU4802997A (en) | 1998-05-11 |
GB2333195A (en) | 1999-07-14 |
US6546044B1 (en) | 2003-04-08 |
CN1240069A (zh) | 1999-12-29 |
EE9900143A (et) | 1999-12-15 |
ES2152907A1 (es) | 2001-02-01 |
WO1998017012A1 (en) | 1998-04-23 |
HK1023239A1 (en) | 2000-09-01 |
BR9712510A (pt) | 1999-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE9901238D0 (sv) | Dual-mode radiotelephone apparatus for digital or analog modulation | |
TW329582B (en) | Improved transmitter for encoded data bits | |
ATE253261T1 (de) | Antennenankopplungsysteme und verfahren für sender | |
EP0942563A3 (en) | Non-linear constant envelope modulator and transmitter architecture | |
NO20005130L (no) | Utvidet informasjonskapasitet for eksisterende kommunikasjonsoverföringssystemer | |
KR960020130A (ko) | 송수신 장치 | |
JPS6466582A (en) | System for detecting propagation time of transmission line | |
KR950016120A (ko) | 주파수 분할 다원 접속방식 통신장치 및 방법 | |
FI922802A0 (fi) | Foerfarande foer oeverfoering av digitala informationer, saerskilt ljudinformation i en tv-kanal. | |
WO2004012343A3 (en) | Radio transceiver architectures and methods | |
FR2807252B1 (fr) | Dispositif de production d'un signal radiofrequence module en phase et en amplitude | |
AU2001277910A1 (en) | System and apparatus for a direct conversion receiver and transmitter | |
TW327708B (en) | Apparatus, method and manufacture for carrier frequency compensation in a FM radio transmitter | |
KR840007335A (ko) | 비화신호 송신시스템 | |
CA2080786A1 (en) | Vector fm modulator | |
AU2001214630A1 (en) | Modulator with low sensitivity to amplitude and phase errors of the carrier signal | |
MY116925A (en) | Apparatus for demodulating am data multiplexed modulated wave signal | |
WO2002037666A3 (en) | Iq modulator | |
US5049839A (en) | Biphase modulaton circuit having continuous phase changes | |
AU2002327029A1 (en) | Start up of a phase modulator | |
BG102091A (en) | Method for modulation and circuit for the transmission of data-containing signals | |
JP2001168746A (ja) | 受信機および送信機 | |
DE60008551D1 (de) | Wellenformgenerator zur Verwendung in Quadraturmodulation (I/Q) | |
WO2003036789A3 (en) | Radio frequency amplifier | |
AU1806097A (en) | Fsk receiver |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |