CN100544202C - 电视系统、应用于电视系统中的控制器和方法 - Google Patents

电视系统、应用于电视系统中的控制器和方法 Download PDF

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Publication number
CN100544202C
CN100544202C CNB038238683A CN03823868A CN100544202C CN 100544202 C CN100544202 C CN 100544202C CN B038238683 A CNB038238683 A CN B038238683A CN 03823868 A CN03823868 A CN 03823868A CN 100544202 C CN100544202 C CN 100544202C
Authority
CN
China
Prior art keywords
signal
controller
tuner
tuning
television system
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.)
Expired - Lifetime
Application number
CNB038238683A
Other languages
English (en)
Chinese (zh)
Other versions
CN1689228A (zh
Inventor
J·布哈特
A·H·斯耶德
T·T·利昂
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.)
Top Victory Investments Ltd
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1689228A publication Critical patent/CN1689228A/zh
Application granted granted Critical
Publication of CN100544202C publication Critical patent/CN100544202C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/22—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Television Receiver Circuits (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Selective Calling Equipment (AREA)
  • Details Of Television Systems (AREA)
CNB038238683A 2002-10-07 2003-09-18 电视系统、应用于电视系统中的控制器和方法 Expired - Lifetime CN100544202C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SGPCT/SG02/00241 2002-10-07
SG0200241 2002-10-07

Publications (2)

Publication Number Publication Date
CN1689228A CN1689228A (zh) 2005-10-26
CN100544202C true CN100544202C (zh) 2009-09-23

Family

ID=32067557

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB038238683A Expired - Lifetime CN100544202C (zh) 2002-10-07 2003-09-18 电视系统、应用于电视系统中的控制器和方法

Country Status (8)

Country Link
US (1) US7643099B2 (enExample)
EP (1) EP1556950B1 (enExample)
JP (1) JP4372009B2 (enExample)
CN (1) CN100544202C (enExample)
AT (1) ATE405987T1 (enExample)
AU (1) AU2003263477A1 (enExample)
DE (1) DE60323119D1 (enExample)
WO (1) WO2004032322A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1926306A1 (en) * 2006-11-24 2008-05-28 Thomson Licensing Method and apparatus for automatic fine tuning based on sync detection
CN111163243B (zh) * 2020-01-21 2025-07-15 苏州易泰勒电子科技有限公司 一种用于子弹时间拍摄的快门控制电路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034819A (en) * 1989-06-20 1991-07-23 Kabushiki Kaisha Toshiba Channel selecting apparatus and method used in a television receiving apparatus and capable of memorizing channel data
US5552838A (en) * 1993-12-24 1996-09-03 Kabushiki Kaisha Toshiba Apparatus for tuning offset signals by controlling a tuner based on a difference in frequency of signals tuned by that tuner
US6421099B1 (en) * 1998-11-28 2002-07-16 Samsung Electronics Co., Ltd. Automatic frequency tracking apparatus and method for a television signal receiving system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5357954A (en) * 1976-11-05 1978-05-25 Matsushita Electric Ind Co Ltd Phase synchronism unit
US4280140A (en) * 1980-02-19 1981-07-21 Zenith Radio Corporation Microcomputer-controlled one-step-back automatic frequency control tuning system
US4302778A (en) * 1980-06-30 1981-11-24 Zenith Radio Corporation AFT-wide automatic frequency control system and method
US4367558A (en) * 1980-12-22 1983-01-04 Motorola, Inc. Method for automatically searching for an RF station
US4385315A (en) * 1981-05-08 1983-05-24 Rca Corporation Phase locked loop tuning control system including a timed sync activated AFT signal seeking arrangement
US4405947A (en) * 1981-05-08 1983-09-20 Rca Corporation Dual search mode type tuning system
US4498191A (en) * 1983-06-06 1985-02-05 General Electric Company Digital automatic frequency control with tracking
US4763195A (en) * 1987-05-08 1988-08-09 Rca Licensing Corporation Television tuning system with provisions for quickly locating active cable channels
US5157492A (en) * 1990-04-30 1992-10-20 Thomson Consumer Electronics, Inc. Sync validity detecting utilizing a microcomputer
MY105316A (en) 1990-04-30 1994-09-30 Thomson Comsumer Electronics Inc Sync validity detection utilizing a microcomputer.
JPH05336458A (ja) 1991-03-15 1993-12-17 Hitachi Ltd テレビジョン受信機およびテレビジョン受信チューナ
KR960014233B1 (ko) * 1993-11-05 1996-10-14 엘지전자 주식회사 텔레비젼의 자동미세 튜닝장치 및 그 방법
US5739874A (en) * 1995-06-06 1998-04-14 Thomson Consumer Electronics, Inc. Tuning system for a digital satellite receiver with fine tuning provisions
GB2336731A (en) * 1998-04-22 1999-10-27 Thomson Multimedia Sa A video tuner in which data representing a PLL division is used to control other circuit parameters
JP2000349848A (ja) 1999-06-02 2000-12-15 Matsushita Electric Ind Co Ltd ディジタル放送受信装置
KR100308299B1 (ko) * 1999-06-03 2001-10-29 구자홍 튜닝 미세 조정 방법
JP2001036349A (ja) * 1999-07-22 2001-02-09 Sony Corp Ｐｌｌ検波回路
US7113230B1 (en) * 2000-03-17 2006-09-26 Matsushita Electric Industrial Co., Ltd. Method and apparatus for deriving a channel map for a digital television receiver

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034819A (en) * 1989-06-20 1991-07-23 Kabushiki Kaisha Toshiba Channel selecting apparatus and method used in a television receiving apparatus and capable of memorizing channel data
US5552838A (en) * 1993-12-24 1996-09-03 Kabushiki Kaisha Toshiba Apparatus for tuning offset signals by controlling a tuner based on a difference in frequency of signals tuned by that tuner
US6421099B1 (en) * 1998-11-28 2002-07-16 Samsung Electronics Co., Ltd. Automatic frequency tracking apparatus and method for a television signal receiving system

Also Published As

Publication number Publication date
US7643099B2 (en) 2010-01-05
EP1556950B1 (en) 2008-08-20
DE60323119D1 (de) 2008-10-02
US20070070255A1 (en) 2007-03-29
AU2003263477A1 (en) 2004-04-23
EP1556950A1 (en) 2005-07-27
WO2004032322A1 (en) 2004-04-15
CN1689228A (zh) 2005-10-26
JP2006502614A (ja) 2006-01-19
ATE405987T1 (de) 2008-09-15
JP4372009B2 (ja) 2009-11-25

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: TP VISION HOLDING B.V.

Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS N.V.

Effective date: 20120820

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20120820

Address after: Holland Ian Deho Finn

Patentee after: TP VISION HOLDING B.V.

Address before: Holland Ian Deho Finn

Patentee before: Koninklijke Philips Electronics N.V.

TR01 Transfer of patent right

Effective date of registration: 20201013

Address after: Chinese No. 108 Wai Yip Street, Kwun Tong Kowloon Hongkong Sibao International Building 12 floor 1208-16 room

Patentee after: Top Victory Investments Ltd.

Address before: Eindhoven, Netherlands

Patentee before: TP VISION HOLDING B.V.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20090923

CX01 Expiry of patent term