KR100615242B1 - 타임 쉬프트 구현이 가능한 디지털 텔레비전 및 동작 방법 - Google Patents
타임 쉬프트 구현이 가능한 디지털 텔레비전 및 동작 방법 Download PDFInfo
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- KR100615242B1 KR100615242B1 KR1020040026967A KR20040026967A KR100615242B1 KR 100615242 B1 KR100615242 B1 KR 100615242B1 KR 1020040026967 A KR1020040026967 A KR 1020040026967A KR 20040026967 A KR20040026967 A KR 20040026967A KR 100615242 B1 KR100615242 B1 KR 100615242B1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133502—Antiglare, refractive index matching layers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1393—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/50—Protective arrangements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
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- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (6)
- 디지털 튜너를 통해 디지털 방송신호를 수신하는 단계와;상기 디지털 방송신호를 디코딩하여 실시간 디스플레이 함과 동시에, 재구성된 방송신호를 장시간의 데이터를 저장하는 주 저장장치로 사용되는 RAM에 저장하는 단계와;사용자에 의한 트릭 플레이 요청시 상기 RAM에 저장된 해당 재구성된 방송신호를 추출하여 디스플레이하는 단계를 포함하되,상기 재구성된 방송신호는 PS(Program Stream) 또는 PES(Packetized Elementary Stream)인 것을 특징으로 하는 타임 쉬프트 구현이 가능한 디지털 텔레비전 동작방법.
- 제 1항에 있어서,아날로그 튜너를 통해 아날로그 방송신호를 수신하는 단계와;상기 아날로그 방송신호를 실시간 디스플레이 함과 동시에, 아날로그/디지털 컨버터부에 의해 디지털 방송신호로 컨버팅하여 재구성된 방송신호를 RAM에 저장하는 단계를 더 포함하는 것을 특징으로 하는 타임 쉬프트 구현이 가능한 디지털 텔레비전 동작방법.
- 삭제
- 제 1항에 있어서,상기 주 저장장치로서의 RAM은 상기 재구성된 방송신호의 20분 이상의 데이터를 저장 가능함을 특징으로 하는 타임 쉬프트 구현이 가능한 디지털 텔레비전 동작방법.
- 디지털 방송신호를 수신하는 디지털 튜너와;상기 디지털 튜너로부터 수신된 방송신호를 디코딩하여 재구성된 방송신호를 생성하는 디코딩부와;상기 재구성된 방송신호를 저장하는 RAM과;상기 튜너 및 RAM을 제어하는 제어부를 포함하되,상기 재구성된 방송신호는 PS(Program Stream) 또는 PES(Packetized Elementary Stream)인 것을 특징으로 하는 타임 쉬프트 구현이 가능한 디지털 텔레비전.
- 제 5항에 있어서,아날로그 방송신호를 수신하는 아날로그 튜너와;상기 아날로그 튜너로부터 수신된 방송신호를 디지털로 변환하여 재구성된 방송신호를 생성하는 아날로그/디지털 컨버터부가 더 포함되어 구성됨을 특징으로 하는 타임 쉬프트 구현이 가능한 디지털 텔레비전.
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KR1020040026967A KR100615242B1 (ko) | 2004-04-20 | 2004-04-20 | 타임 쉬프트 구현이 가능한 디지털 텔레비전 및 동작 방법 |
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KR20050101767A KR20050101767A (ko) | 2005-10-25 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100774168B1 (ko) * | 2005-11-16 | 2007-11-08 | 엘지전자 주식회사 | 타임 쉬프트 기능을 갖는 영상표시 장치 및 그 제어방법 |
KR100747531B1 (ko) * | 2005-12-15 | 2007-08-08 | 엘지전자 주식회사 | 타임 쉬프트 방법 및 장치 |
KR100745291B1 (ko) * | 2005-12-15 | 2007-08-01 | 엘지전자 주식회사 | 디지털 재생 장치에서 타임 쉬프트용 데이터 관리 방법 및그 장치 |
KR100816917B1 (ko) * | 2006-09-11 | 2008-03-25 | 엘지전자 주식회사 | 타임 시프트 기능을 가지는 영상표시기기 및 그 제어 방법 |
KR101448631B1 (ko) * | 2008-01-17 | 2014-10-08 | 엘지전자 주식회사 | 녹화/재생 장치 및 방송 신호 처리 방법 |
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KR20040023009A (ko) * | 2002-09-10 | 2004-03-18 | 엘지전자 주식회사 | 멀티 채널 녹화 가능한 개인용 비디오 녹화 장치 |
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