SE8704306D0 - Koppling for atergivningsdelen i en for ett telefonsystem avsedd fm-mottagare - Google Patents
Koppling for atergivningsdelen i en for ett telefonsystem avsedd fm-mottagareInfo
- Publication number
- SE8704306D0 SE8704306D0 SE8704306A SE8704306A SE8704306D0 SE 8704306 D0 SE8704306 D0 SE 8704306D0 SE 8704306 A SE8704306 A SE 8704306A SE 8704306 A SE8704306 A SE 8704306A SE 8704306 D0 SE8704306 D0 SE 8704306D0
- Authority
- SE
- Sweden
- Prior art keywords
- phase
- frequency
- voltage
- controlled oscillator
- channels
- Prior art date
Links
Classifications
-
- 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters
-
- 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/084—Equal gain combining, only phase adjustments
-
- 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
- H04B7/12—Frequency diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Superheterodyne Receivers (AREA)
- Structure Of Receivers (AREA)
- Transmitters (AREA)
- Telephone Function (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI864704A FI76227C (sv) | 1986-11-18 | 1986-11-18 | Koppling för återgivningsdelen i en för ett telefonsystem avsedd FM-mo ttagare |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8704306D0 true SE8704306D0 (sv) | 1987-11-04 |
SE8704306L SE8704306L (sv) | 1988-05-19 |
SE466229B SE466229B (sv) | 1992-01-13 |
Family
ID=8523509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8704306A SE466229B (sv) | 1986-11-18 | 1987-11-04 | Koppling foer aatergivningsdelen i en foer ett telefonsystem avsedd fm-mottagare |
Country Status (8)
Country | Link |
---|---|
US (1) | US4856080A (sv) |
AT (1) | AT390701B (sv) |
CH (1) | CH675041A5 (sv) |
DK (1) | DK168506B1 (sv) |
FI (1) | FI76227C (sv) |
NL (1) | NL194187C (sv) |
NO (1) | NO171340C (sv) |
SE (1) | SE466229B (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3828817A1 (de) * | 1988-08-25 | 1990-03-08 | Ant Nachrichtentech | Raumdiversity-empfaengerschaltung |
US5203025A (en) * | 1990-11-09 | 1993-04-13 | Kovatel Communications, Ltd. | Selection circuit in a space diversity reception system for a mobile receiver |
US5666660A (en) * | 1991-05-31 | 1997-09-09 | Telefunken | System for receiving a radio signal including multiple receiving units |
US5740519A (en) * | 1991-05-31 | 1998-04-14 | Telefunken | Method for the time-correlated transmission of a control signal and a radio program signal |
GB2294609B (en) * | 1994-10-26 | 1999-01-27 | Northern Telecom Ltd | A base station arrangement |
FI107485B (sv) * | 1996-04-17 | 2001-08-15 | Nokia Mobile Phones Ltd | Diversitetsmetod, radiomottagare och radiosystem |
JP2880971B2 (ja) * | 1996-11-15 | 1999-04-12 | 埼玉日本電気株式会社 | 周波数安定化回路 |
DE19705735A1 (de) * | 1997-02-14 | 1998-08-20 | Nokia Mobile Phones Ltd | Verfahren und Vorrichtung zur Inspektion wenigstens eines Antennenzweigs, insbesondere in einem Fahrzeug |
JP2002517124A (ja) * | 1998-05-27 | 2002-06-11 | ノキア モービル フォーンズ リミテッド | ワイヤレス通信用の受信器及び受信方法 |
US6567981B1 (en) | 1998-08-03 | 2003-05-20 | Elysium Broadband Inc. | Audio/video signal redistribution system |
CN110823142B (zh) * | 2019-11-11 | 2021-04-30 | 华滋奔腾(苏州)安监仪器有限公司 | 基于增益鉴相器同轴电缆应变传感器的解调仪及解调方法 |
CN110823140B (zh) * | 2019-11-11 | 2021-04-30 | 华滋奔腾(苏州)安监仪器有限公司 | 基于混频器与功率检波器应变传感器的解调仪及解调方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5919652B2 (ja) * | 1979-06-02 | 1984-05-08 | 郵政省電波研究所長 | コヒ−レント周波数ダイバ−シチ受信方式 |
DE3030811C2 (de) * | 1980-08-14 | 1982-08-19 | Siemens AG, 1000 Berlin und 8000 München | Raumdiversity-Empfänger mit ZF-Kombinator |
US4528697A (en) * | 1983-05-26 | 1985-07-09 | Rockwell International Corporation | Broadband quadrature phase modulator for control loop error generation in an IF combiner |
JPS59230334A (ja) * | 1983-06-13 | 1984-12-24 | Fujitsu Ltd | 空間ダイバ−シチ受信方式 |
JPS60132430A (ja) * | 1983-12-21 | 1985-07-15 | Toshiba Corp | 妨害波除去装置 |
JPS60515A (ja) * | 1984-05-30 | 1985-01-05 | Hitachi Ltd | 位置決め装置 |
FI844809A0 (fi) * | 1984-12-05 | 1984-12-05 | Nokia Oy Ab | Foerfarande foer mottagning och detektering av digitala signaler. |
FI844810A0 (fi) * | 1984-12-05 | 1984-12-05 | Nokia Oy Ab | Foerfarande foer mottagning och detektering av digitala signaler. |
JPS62143527A (ja) * | 1985-12-18 | 1987-06-26 | Nec Corp | 同相合成方式 |
-
1986
- 1986-11-18 FI FI864704A patent/FI76227C/sv not_active IP Right Cessation
-
1987
- 1987-11-04 SE SE8704306A patent/SE466229B/sv not_active IP Right Cessation
- 1987-11-10 US US07/119,469 patent/US4856080A/en not_active Expired - Lifetime
- 1987-11-11 AT AT0298187A patent/AT390701B/de not_active IP Right Cessation
- 1987-11-11 NO NO874693A patent/NO171340C/no not_active IP Right Cessation
- 1987-11-12 CH CH4409/87A patent/CH675041A5/de not_active IP Right Cessation
- 1987-11-17 DK DK601987A patent/DK168506B1/da not_active IP Right Cessation
- 1987-11-18 NL NL8702753A patent/NL194187C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK601987A (da) | 1988-05-19 |
FI76227C (sv) | 1988-09-09 |
NL194187B (nl) | 2001-04-02 |
ATA298187A (de) | 1989-11-15 |
SE8704306L (sv) | 1988-05-19 |
DK168506B1 (da) | 1994-04-05 |
NL194187C (nl) | 2001-08-03 |
FI864704A0 (fi) | 1986-11-18 |
NO874693D0 (no) | 1987-11-11 |
FI76227B (fi) | 1988-05-31 |
US4856080A (en) | 1989-08-08 |
DK601987D0 (da) | 1987-11-17 |
NO171340B (no) | 1992-11-16 |
NO171340C (no) | 1993-02-24 |
SE466229B (sv) | 1992-01-13 |
AT390701B (de) | 1990-06-25 |
NO874693L (no) | 1988-05-19 |
CH675041A5 (sv) | 1990-08-15 |
NL8702753A (nl) | 1988-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5852784A (en) | Multiband mobile unit communication apparatus | |
SE8704306L (sv) | Koppling for atergivningsdelen i en for ett telefonsystem avsedd fm-mottagare | |
JPS5555639A (en) | Demodulation system of multiplex modulation wave | |
AU2602588A (en) | Passive universal communicator | |
SE9102317D0 (sv) | Blandare foer direktomvandlande mottagare | |
KR950028328A (ko) | 디지탈 무선 통신장치에 있어서 송수신 신호처리회로 | |
CN1125017A (zh) | 地面接收与卫星接收用电视调谐器 | |
GB2070897B (en) | Receivers suitable for use in remotelyoperable switching devices and data transmission systems | |
GB2341521A (en) | Making measurements on parallel frequencies in a radio communications device | |
GB1480774A (en) | Radio receivers | |
JPS5657324A (en) | Digital electronic tuning system | |
SE438393B (sv) | Mottagare for kompatibla am-stereosignaler | |
US6208850B1 (en) | Direct conversion receiver per-selection | |
JPS5689136A (en) | Transmitter-receiver of press-to-talk system | |
US7088963B2 (en) | Architecture for cordless telephones | |
JPH05252074A (ja) | 送受信装置 | |
JPS572135A (en) | Radio telephone system | |
ES452237A1 (es) | Una disposicion de circuito, en particular para receptores de radio. | |
JPS57188147A (en) | Radio transmitter and receiver | |
JPH02213228A (ja) | 隣接妨害信号除去回路 | |
JPS57178435A (en) | Fm transmitter and receiver | |
JPS6489821A (en) | Am/fm receiver | |
JP3483223B2 (ja) | テレビジョン信号伝送装置 | |
KR890007012Y1 (ko) | 통신용 방송용 다이프렉서 | |
JPS6336756Y2 (sv) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 8704306-3 Format of ref document f/p: F |
|
NUG | Patent has lapsed |