JPS5957534A - 衛星放送用受信器の屋内ユニツト - Google Patents

衛星放送用受信器の屋内ユニツト

Info

Publication number
JPS5957534A
JPS5957534A JP57167873A JP16787382A JPS5957534A JP S5957534 A JPS5957534 A JP S5957534A JP 57167873 A JP57167873 A JP 57167873A JP 16787382 A JP16787382 A JP 16787382A JP S5957534 A JPS5957534 A JP S5957534A
Authority
JP
Japan
Prior art keywords
frequency
signal
circuit
intermediate frequency
indoor unit
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.)
Granted
Application number
JP57167873A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6313370B2 (enExample
Inventor
Akiyuki Yoshisato
善里　彰之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP57167873A priority Critical patent/JPS5957534A/ja
Priority to US06/536,355 priority patent/US4556988A/en
Publication of JPS5957534A publication Critical patent/JPS5957534A/ja
Publication of JPS6313370B2 publication Critical patent/JPS6313370B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H03D3/242—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for controlling the frequency of a further oscillator, e.g. for negative frequency feedback or AFC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
JP57167873A 1982-09-27 1982-09-27 衛星放送用受信器の屋内ユニツト Granted JPS5957534A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57167873A JPS5957534A (ja) 1982-09-27 1982-09-27 衛星放送用受信器の屋内ユニツト
US06/536,355 US4556988A (en) 1982-09-27 1983-09-27 Indoor unit of receiver for broadcasting satellite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57167873A JPS5957534A (ja) 1982-09-27 1982-09-27 衛星放送用受信器の屋内ユニツト

Publications (2)

Publication Number Publication Date
JPS5957534A true JPS5957534A (ja) 1984-04-03
JPS6313370B2 JPS6313370B2 (enExample) 1988-03-25

Family

ID=15857656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57167873A Granted JPS5957534A (ja) 1982-09-27 1982-09-27 衛星放送用受信器の屋内ユニツト

Country Status (2)

Country Link
US (1) US4556988A (enExample)
JP (1) JPS5957534A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024100787A1 (ja) * 2022-11-09 2024-05-16 日本電信電話株式会社 無線通信トランシーバ

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US4726072A (en) * 1983-07-28 1988-02-16 Matsushita Electric Industrial Co., Ltd. Double converter tuner
NL8500675A (nl) * 1985-03-11 1986-10-01 Philips Nv Am-ontvanger.
US4783848A (en) * 1985-10-21 1988-11-08 Capetronic (Bsr) Ltd. TVRO receiver system for locating audio subcarriers
US4817197A (en) * 1986-07-18 1989-03-28 Nippon Telegraph And Telephone Corporation Mobile communication apparatus
JPS63161718A (ja) * 1986-12-24 1988-07-05 Matsushita Electric Ind Co Ltd 選局装置
US4768178A (en) * 1987-02-24 1988-08-30 Precision Standard Time, Inc. High precision radio signal controlled continuously updated digital clock
US5060297A (en) * 1988-04-04 1991-10-22 Ma John Y TVRO receiver system with tracking filter for rejection of image frequencies
US4814887A (en) * 1988-05-23 1989-03-21 General Instrument Corporation Automatic frequency control
NL8801874A (nl) * 1988-07-26 1990-02-16 Philips Nv Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat.
FR2637139A1 (fr) * 1988-09-30 1990-03-30 Astec Int Ltd Ensemble d'accord d'audiofrequences pour stations terrestres
US5140703A (en) * 1988-10-14 1992-08-18 Payne Christopher P Modulation distortion analyzer
DE69020598T2 (de) * 1989-02-17 1996-04-04 Matsushita Electric Ind Co Ltd Tuner zur Abstimmung auf ausgewählte Stationen.
JPH02305087A (ja) * 1989-05-18 1990-12-18 Sony Corp Ｆｍ検波器
US5073930A (en) * 1989-10-19 1991-12-17 Green James A Method and system for receiving and distributing satellite transmitted television signals
DE4009729A1 (de) * 1990-03-27 1991-10-02 Thomson Brandt Gmbh Konverter fuer ein digitales empfangssystem
FR2673782B1 (fr) * 1991-03-08 1994-04-08 Alcatel Espace Recepteur de signaux modules en frequence a bande d'accrochage controlee.
CA2071421C (en) * 1991-06-19 2000-08-08 Yoshiaki Kumagai Automatic frequency control circuit
JP3000245B2 (ja) * 1992-03-04 2000-01-17 セイコーインスツルメンツ株式会社 電波規正型電子時計
JP2689909B2 (ja) * 1994-07-25 1997-12-10 日本電気株式会社 周波数制御回路
US6122482A (en) * 1995-02-22 2000-09-19 Global Communications, Inc. Satellite broadcast receiving and distribution system
US5575001A (en) * 1995-06-07 1996-11-12 Hwa Lin Electronic Co., Ltd. Direct broadcasting satellite tuner with a negative feedback and image compression circuit
EP0894369B1 (en) * 1996-04-19 2004-02-18 LGC Wireless, Inc. Distribution of radio-frequency signals through low bandwidth infrastructures
GB9814803D0 (en) * 1998-07-09 1998-09-09 Pace Micro Tech Ltd Frequency adjustment
JP3563678B2 (ja) * 2000-08-30 2004-09-08 シャープ株式会社 高周波受信装置
US7142809B1 (en) * 2001-02-27 2006-11-28 The Directv Group, Inc. Device and method to locally fill gaps in spotbeam satellite systems with frequency re-use
JP2006500863A (ja) * 2002-09-24 2006-01-05 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ チャネル事前選択周波数マルチプレクサの低ノイズコンバータを有する電波中継局
US7954127B2 (en) 2002-09-25 2011-05-31 The Directv Group, Inc. Direct broadcast signal distribution methods
IL161869A (en) 2004-05-06 2014-05-28 Serconet Ltd A system and method for carrying a signal originating is wired using wires
US7900230B2 (en) 2005-04-01 2011-03-01 The Directv Group, Inc. Intelligent two-way switching network
US7987486B2 (en) 2005-04-01 2011-07-26 The Directv Group, Inc. System architecture for control and signal distribution on coaxial cable
US7958531B2 (en) 2005-04-01 2011-06-07 The Directv Group, Inc. Automatic level control for incoming signals of different signal strengths
US8549565B2 (en) 2005-04-01 2013-10-01 The Directv Group, Inc. Power balancing signal combiner
US8024759B2 (en) 2005-04-01 2011-09-20 The Directv Group, Inc. Backwards-compatible frequency translation module for satellite video delivery
US8621525B2 (en) 2005-04-01 2013-12-31 The Directv Group, Inc. Signal injection via power supply
US7945932B2 (en) 2005-04-01 2011-05-17 The Directv Group, Inc. Narrow bandwidth signal delivery system
US7950038B2 (en) 2005-04-01 2011-05-24 The Directv Group, Inc. Transponder tuning and mapping
US7937732B2 (en) * 2005-09-02 2011-05-03 The Directv Group, Inc. Network fraud prevention via registration and verification
US8789115B2 (en) 2005-09-02 2014-07-22 The Directv Group, Inc. Frequency translation module discovery and configuration
US8019275B2 (en) 2005-10-12 2011-09-13 The Directv Group, Inc. Band upconverter approach to KA/KU signal distribution
US7991348B2 (en) 2005-10-12 2011-08-02 The Directv Group, Inc. Triple band combining approach to satellite signal distribution
US7813451B2 (en) 2006-01-11 2010-10-12 Mobileaccess Networks Ltd. Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
US8719875B2 (en) 2006-11-06 2014-05-06 The Directv Group, Inc. Satellite television IP bitstream generator receiving unit
US8712318B2 (en) 2007-05-29 2014-04-29 The Directv Group, Inc. Integrated multi-sat LNB and frequency translation module
US8238813B1 (en) 2007-08-20 2012-08-07 The Directv Group, Inc. Computationally efficient design for broadcast satellite single wire and/or direct demod interface
WO2009053910A2 (en) * 2007-10-22 2009-04-30 Mobileaccess Networks Ltd. Communication system using low bandwidth wires
US9942618B2 (en) 2007-10-31 2018-04-10 The Directv Group, Inc. SMATV headend using IP transport stream input and method for operating the same
US8175649B2 (en) 2008-06-20 2012-05-08 Corning Mobileaccess Ltd Method and system for real time control of an active antenna over a distributed antenna system
US8229383B2 (en) 2009-01-06 2012-07-24 The Directv Group, Inc. Frequency drift estimation for low cost outdoor unit frequency conversions and system diagnostics
WO2010089719A1 (en) * 2009-02-08 2010-08-12 Mobileaccess Networks Ltd. Communication system using cables carrying ethernet signals
EP2829152A2 (en) 2012-03-23 2015-01-28 Corning Optical Communications Wireless Ltd. Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods
US9184960B1 (en) 2014-09-25 2015-11-10 Corning Optical Communications Wireless Ltd Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference
GB201506706D0 (en) * 2015-04-21 2015-06-03 Pro Brand Internat Europ Ltd Improvements to low noise block

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US3346814A (en) * 1964-07-29 1967-10-10 Hughes Aircraft Co Dual loop demodulator including a phase lock loop and an afc loop
US4038689A (en) * 1976-06-14 1977-07-26 Matsushita Electric Corporation Of America Frequency synthesizer tuning system with manual fine tuning control
US4087756A (en) * 1977-06-14 1978-05-02 Harris Corporation FM Feedback demodulator having threshold extension circuit with two-pole crystal filters
US4237556A (en) * 1978-03-06 1980-12-02 Trio Kabushiki Kaisha Superheterodyne receiver having distortion reducing circuitry
FR2481549A1 (fr) * 1980-04-25 1981-10-30 Thomson Brandt Dispositif de synthese et de demodulation combinees pour recepteurs d'ondes modulees en frequence et recepteur le comportant
JPS57135582A (en) * 1981-02-16 1982-08-21 Hitachi Ltd Reception circuit for fm television signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024100787A1 (ja) * 2022-11-09 2024-05-16 日本電信電話株式会社 無線通信トランシーバ

Also Published As

Publication number Publication date
US4556988A (en) 1985-12-03
JPS6313370B2 (enExample) 1988-03-25

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