HUP0104305A2 - Digitális televízió rendszer, továbbá eljárás digitális televízió rendszerben információhoz, illetve csatornához való hozzáférésre - Google Patents

Digitális televízió rendszer, továbbá eljárás digitális televízió rendszerben információhoz, illetve csatornához való hozzáférésre

Info

Publication number
HUP0104305A2
HUP0104305A2 HU0104305A HUP0104305A HUP0104305A2 HU P0104305 A2 HUP0104305 A2 HU P0104305A2 HU 0104305 A HU0104305 A HU 0104305A HU P0104305 A HUP0104305 A HU P0104305A HU P0104305 A2 HUP0104305 A2 HU P0104305A2
Authority
HU
Hungary
Prior art keywords
channel
digital television
television system
decoder
channels
Prior art date
Application number
HU0104305A
Other languages
English (en)
Inventor
Bernard Agasse
Original Assignee
Canal+ Societe Anonyme
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8235447&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HUP0104305(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canal+ Societe Anonyme filed Critical Canal+ Societe Anonyme
Publication of HUP0104305A2 publication Critical patent/HUP0104305A2/hu
Publication of HUP0104305A3 publication Critical patent/HUP0104305A3/hu

Links

Classifications

    • 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
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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
    • H04N21/439—Processing of audio elementary streams
    • H04N21/4396—Processing of audio elementary streams by muting the audio signal
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • 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
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/47815—Electronic shopping
    • 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
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • 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
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Marketing (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Navigation (AREA)
  • Television Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • User Interface Of Digital Computer (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Details Of Television Systems (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Digital Computer Display Output (AREA)

Abstract

A találmány tárgya digitális televízió-rendszer, amely dekódert,valamint egy csatornát és egy szolgáltatáscsatornát magában foglalócsatornák legalább egyikéhez hozzáférést biztosító szolgáltatásmenütmegjelenítő adaptert tartalmaz, ahol a legalább egy, csatornáhoztörténő hozzáférés legalább egy, a szolgáltatásmenün keresztülelérhető almenün keresztül történik. A találmány tárgya továbbá olyandigitális televíziós rendszer is, amely televíziócsatornákat továbbítóadatátviteli eszközt, valamint a csatornákat vevő, a legalább egymásik csatornára vonatkozó információval szinkronizált, rávetítettinteraktív üzeneteket előállító és megjelenítő dekóderként kialakítottdekódert tartalmaz, és egy csatornát a legalább egy, többi csatornánrendelkezésre álló programokra vagy szolgáltatásokra vonatkozóaudiovizuális információ továbbítására használ. A fentiekkombinációjaként megvalósított digitális televízó-rendszer szinténtárgya a találmánynak. Tárgya továbbá egy eljárás egy digitálistelevízió-rendszercsatornát és egy szolgáltatáscsatornát tartalmazólegalább egy csatornájához való hozzáférésre, ahol egyszolgáltatásmenüt jeleznek ki; a szolgáltatásmenün keresztül legalábbegy almenüre lépnek tovább; és a legalább egy csatornához a legalábbegy almenün keresztül férnek hozzá; valamint egy további eljárásdigitális televíziórendszerben információhoz való hozzáférésre,amelynek során televíziócsatornákat vesznek, ahol egy csatornát alegalább egy, többi csatornán rendelkezésre álló programokra vagyszolgáltatásokra vonatkozó audiovizuális információ továbbításárahasználnak, és a dekóder a legalább egy másik csatornára vonatkozóinformációval szinkronizált, rávetített interaktív üzeneteketelőállító és megjelenítő dekóderként van kialakítva. Ó
HU0104305A 1998-07-20 1999-07-20 Digital television system as well as methods for accessing a channel or for providing information in digital television system HUP0104305A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98401837 1998-07-20
PCT/IB1999/001350 WO2000005886A1 (en) 1998-07-20 1999-07-20 Navigation system for a multichannel digital television system

Publications (2)

Publication Number Publication Date
HUP0104305A2 true HUP0104305A2 (hu) 2002-03-28
HUP0104305A3 HUP0104305A3 (en) 2002-12-28

Family

ID=8235447

Family Applications (2)

Application Number Title Priority Date Filing Date
HU0103899A HU228951B1 (en) 1998-07-20 1999-07-20 Navigation system for a multichannel digital television system
HU0104305A HUP0104305A3 (en) 1998-07-20 1999-07-20 Digital television system as well as methods for accessing a channel or for providing information in digital television system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HU0103899A HU228951B1 (en) 1998-07-20 1999-07-20 Navigation system for a multichannel digital television system

Country Status (24)

Country Link
US (1) US7757252B1 (hu)
EP (3) EP1097584B1 (hu)
JP (2) JP4456274B2 (hu)
KR (2) KR100607066B1 (hu)
CN (2) CN1232120C (hu)
AT (2) ATE250831T1 (hu)
AU (2) AU757095B2 (hu)
BR (2) BR9912281A (hu)
CA (2) CA2336679C (hu)
CZ (2) CZ2001244A3 (hu)
DE (2) DE69903314T2 (hu)
ES (2) ES2184471T3 (hu)
HK (2) HK1033519A1 (hu)
HR (2) HRP20010032A2 (hu)
HU (2) HU228951B1 (hu)
ID (2) ID28911A (hu)
IL (2) IL140738A0 (hu)
JO (2) JO2123B1 (hu)
NO (2) NO332431B1 (hu)
PL (2) PL345628A1 (hu)
RU (2) RU2001104531A (hu)
TR (3) TR200100164T2 (hu)
WO (2) WO2000005887A1 (hu)
ZA (2) ZA200100184B (hu)

Families Citing this family (138)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200004188B (en) * 1999-08-13 2001-03-05 Nampak Products Ltd A blank from which a box can be erected.
US7209900B2 (en) 1999-08-27 2007-04-24 Charles Eric Hunter Music distribution systems
US6647417B1 (en) 2000-02-10 2003-11-11 World Theatre, Inc. Music distribution systems
US8250617B2 (en) 1999-10-29 2012-08-21 Opentv, Inc. System and method for providing multi-perspective instant replay
US6813639B2 (en) * 2000-01-26 2004-11-02 Viaclix, Inc. Method for establishing channel-based internet access network
US9252898B2 (en) 2000-01-28 2016-02-02 Zarbaña Digital Fund Llc Music distribution systems
US8413185B2 (en) 2000-02-01 2013-04-02 United Video Properties, Inc. Interactive television application with navigable cells and regions
US6817027B1 (en) * 2000-03-31 2004-11-09 Matsushita Electric Industrial Co., Ltd. Display interface comprising a channel matrix
GB0019318D0 (en) * 2000-08-08 2000-09-27 Pace Micro Tech Plc Improvements to electronic programme guide
JP4942242B2 (ja) * 2000-08-25 2012-05-30 ソニー株式会社 情報処理装置および方法、並びに記録媒体
US7370343B1 (en) 2000-11-28 2008-05-06 United Video Properties, Inc. Electronic program guide with blackout features
US7174512B2 (en) * 2000-12-01 2007-02-06 Thomson Licensing S.A. Portal for a communications system
US20020140805A1 (en) * 2001-03-28 2002-10-03 Koninklijke Philips Electronics N.V. Television program selection system
US20020184623A1 (en) * 2001-05-30 2002-12-05 Hodge Gregory A. Methods and apparatus for interactive television
US7107532B1 (en) * 2001-08-29 2006-09-12 Digeo, Inc. System and method for focused navigation within a user interface
KR100453039B1 (ko) * 2002-01-09 2004-10-15 삼성전자주식회사 방송 프로그램 안내 정보 제공 방법 및 장치
KR100846772B1 (ko) * 2002-03-28 2008-07-16 삼성전자주식회사 프리뷰우를 이용한 프로그램 가이드 생성 방법 및 그 장치
KR100806873B1 (ko) * 2002-08-08 2008-02-22 삼성전자주식회사 영상 기록/재생 장치 및 그 저장된 프로그램 리스트표시방법
JP2004072543A (ja) 2002-08-08 2004-03-04 Pioneer Electronic Corp 放送受信装置
US20040046780A1 (en) * 2002-09-05 2004-03-11 Imagictv Inc. Non-modal navigation of interactive multimedia content
US9352222B2 (en) * 2002-12-10 2016-05-31 Sony Interactive Entertainment America Llc System and method for capturing text for an online application
US9108107B2 (en) * 2002-12-10 2015-08-18 Sony Computer Entertainment America Llc Hosting and broadcasting virtual events using streaming interactive video
US9032465B2 (en) 2002-12-10 2015-05-12 Ol2, Inc. Method for multicasting views of real-time streaming interactive video
US8840475B2 (en) * 2002-12-10 2014-09-23 Ol2, Inc. Method for user session transitioning among streaming interactive video servers
US8549574B2 (en) * 2002-12-10 2013-10-01 Ol2, Inc. Method of combining linear content and interactive content compressed together as streaming interactive video
US8468575B2 (en) * 2002-12-10 2013-06-18 Ol2, Inc. System for recursive recombination of streaming interactive video
US8495678B2 (en) * 2002-12-10 2013-07-23 Ol2, Inc. System for reporting recorded video preceding system failures
US8869206B2 (en) * 2002-12-10 2014-10-21 Lg Electronics Inc. Digital television and channel editing method thereof
US8387099B2 (en) * 2002-12-10 2013-02-26 Ol2, Inc. System for acceleration of web page delivery
US8949922B2 (en) * 2002-12-10 2015-02-03 Ol2, Inc. System for collaborative conferencing using streaming interactive video
US8832772B2 (en) * 2002-12-10 2014-09-09 Ol2, Inc. System for combining recorded application state with application streaming interactive video output
US8893207B2 (en) * 2002-12-10 2014-11-18 Ol2, Inc. System and method for compressing streaming interactive video
US8661496B2 (en) * 2002-12-10 2014-02-25 Ol2, Inc. System for combining a plurality of views of real-time streaming interactive video
KR100518874B1 (ko) * 2002-12-10 2005-10-04 엘지전자 주식회사 디지털 티브이 및 그 채널편집 방법
US9003461B2 (en) * 2002-12-10 2015-04-07 Ol2, Inc. Streaming interactive video integrated with recorded video segments
US9756349B2 (en) * 2002-12-10 2017-09-05 Sony Interactive Entertainment America Llc User interface, system and method for controlling a video stream
US7051354B2 (en) * 2003-01-24 2006-05-23 Thomson Licensing System and method for advertising a currently airing program through the use of an electronic program guide interface
US7627552B2 (en) 2003-03-27 2009-12-01 Microsoft Corporation System and method for filtering and organizing items based on common elements
US7234114B2 (en) * 2003-03-24 2007-06-19 Microsoft Corporation Extensible object previewer in a shell browser
US7421438B2 (en) 2004-04-29 2008-09-02 Microsoft Corporation Metadata editing control
US8453175B2 (en) 2003-05-29 2013-05-28 Eat.Tv, Llc System for presentation of multimedia content
JP2005122422A (ja) * 2003-10-16 2005-05-12 Sony Corp 電子機器装置、プログラム、電子機器装置のフォーカス制御方法
KR100642129B1 (ko) * 2003-11-05 2006-11-10 (주) 아이티비엠지 티브이 컨텐츠 데이터의 처리장치와 접근장치 및 그 방법및 그 기록매체와 전송신호
FR2863440B1 (fr) * 2003-12-05 2006-04-07 France Telecom Procede et dispositif de filtrage de flux multimedia.
JP2005198039A (ja) * 2004-01-07 2005-07-21 Toshiba Corp 情報表示装置および情報表示方法
CN1914923A (zh) * 2004-01-29 2007-02-14 皇家飞利浦电子股份有限公司 具有快速频道冲浪的数字电视系统
WO2005094351A2 (en) * 2004-03-26 2005-10-13 Peoples Broadband, Inc. Next generation consumer telecommunications network
US8707209B2 (en) 2004-04-29 2014-04-22 Microsoft Corporation Save preview representation of files being created
FR2872988B1 (fr) * 2004-07-12 2006-10-27 Canon Kk Procede et dispositif de creation d'un flux video formant une mosaique genere a partir d'une pluralite de flux video
WO2006050135A1 (en) 2004-10-29 2006-05-11 Eat.Tv, Inc. System for enabling video-based interactive applications
WO2006064406A1 (en) * 2004-12-15 2006-06-22 Koninklijke Philips Electronics N.V. Graphical user interface
US7480701B2 (en) * 2004-12-15 2009-01-20 Microsoft Corporation Mixed-media service collections for multimedia platforms
CN100373934C (zh) * 2004-12-17 2008-03-05 南京Lg新港显示有限公司 数字电视的频道控制装置及方法
TW200704183A (en) * 2005-01-27 2007-01-16 Matrix Tv Dynamic mosaic extended electronic programming guide for television program selection and display
WO2006104968A2 (en) * 2005-03-28 2006-10-05 The Directv Group, Inc. Interactive mosaic channel video stream with barker channel and guide
JP2008535354A (ja) * 2005-03-29 2008-08-28 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 複数のビデオ画像を提供する方法および装置
CA2601792C (en) * 2005-03-30 2016-02-09 United Video Properties, Inc. Systems and methods for video-rich navigation
US20060230427A1 (en) * 2005-03-30 2006-10-12 Gerard Kunkel Method and system of providing user interface
JP4529775B2 (ja) * 2005-04-15 2010-08-25 ソニー株式会社 再生装置、その表示方法および表示プログラム、表示装置および表示方法、ならびに記録再生装置およびその表示方法
US8584171B2 (en) * 2005-05-06 2013-11-12 Starz Entertainment Group Llc Local context navigation system
US9948882B2 (en) 2005-08-11 2018-04-17 DISH Technologies L.L.C. Method and system for toasted video distribution
US8875196B2 (en) 2005-08-13 2014-10-28 Webtuner Corp. System for network and local content access
US7657843B2 (en) * 2005-08-15 2010-02-02 At&T Intellectual Property I, L.P. Menu promotions user interface
US8719857B1 (en) * 2005-08-24 2014-05-06 Rovi Guides, Inc. Systems and methods for providing parental control features in video mosaic environments
EP1938608A1 (en) * 2005-08-26 2008-07-02 The DIRECTV Group, Inc. Administrative tool for video programming
US8056099B2 (en) * 2005-09-08 2011-11-08 The Directv Group, Inc. Mosaic channel video stream with interactive services
US8713607B2 (en) * 2005-09-30 2014-04-29 Microsoft Corporation Multi-room user interface
GB2446327B (en) 2005-10-28 2011-02-09 Directv Group Inc Infrastructure for interactive television applications
KR100735327B1 (ko) * 2005-11-11 2007-07-04 삼성전자주식회사 디지털 방송 수신 단말기의 배경 화면 디스플레이 방법
US8782706B2 (en) * 2005-12-29 2014-07-15 United Video Properties Systems and methods for providing channel groups in an interactive media guidance application
KR100744385B1 (ko) * 2006-01-13 2007-07-30 삼성전자주식회사 방송 미리보기 서비스 제공을 위한 ｄｍｂ 단말기 및 방법
US8832738B2 (en) * 2006-02-02 2014-09-09 The Directv Group, Inc. Interactive mosaic channel video stream with additional programming sources
BRPI0708681A2 (pt) * 2006-02-02 2011-06-07 Directv Group Inc canal de vìdeo matricial interativo e sistemas para distribuir e exibir o mesmo
MX2008010556A (es) * 2006-02-17 2008-10-24 Directv Group Inc Sistema dinámico de porcentaje de visualización.
US20090025038A1 (en) * 2006-03-06 2009-01-22 Rajeev Madhukar Sahasrabudhe Methods and Apparatus for Updating a Favorite List of Channel Numbers
US20070273488A1 (en) * 2006-03-10 2007-11-29 Craig Le System for choosing predictions across multiple platforms
AR059819A1 (es) * 2006-03-10 2008-04-30 Directv Group Inc Determinacion dinamica de la presentacion multiples celdas de video en un visor en pantalla.
KR100869507B1 (ko) * 2006-04-27 2008-11-19 엘지전자 주식회사 디지털 방송 수신 및 선호채널 관리기능을 갖는 단말기 및 디지털 방송 수신 단말기에서의 선호채널 관리 방법
JP2007304667A (ja) * 2006-05-08 2007-11-22 Sony Computer Entertainment Inc ユーザインタフェース装置、ユーザインタフェース方法及びプログラム
EP2041970A1 (en) * 2006-06-30 2009-04-01 Thomson Licensing System and method for delivery of personalized mosaic multimedia content over a cable data network
MX2009000174A (es) * 2006-06-30 2009-04-14 Directv Group Inc Alimentacion de audio seleccionable por el usuario para programacion de video.
US8949895B2 (en) 2006-08-18 2015-02-03 The Directv Group, Inc. Mosaic channel video stream with personalized interactive services
US20080059995A1 (en) * 2006-08-23 2008-03-06 The Directv Group, Inc. Selective display of overlay video streams via interactive alert icons
US9032430B2 (en) 2006-08-24 2015-05-12 Rovi Guides, Inc. Systems and methods for providing blackout support in video mosaic environments
WO2008027321A2 (en) * 2006-08-29 2008-03-06 Hillcrest Laboratories, Inc. Television control, playlist generation and dvr systems and methods
WO2008027464A2 (en) * 2006-08-30 2008-03-06 The Directv Group, Inc. Mosaic channel video stream with interactive services
US20080209472A1 (en) * 2006-12-11 2008-08-28 David Eric Shanks Emphasized mosaic video channel with interactive user control
US20080189738A1 (en) * 2006-12-18 2008-08-07 Purpura Richard F Active channel for interactive television services
US9177603B2 (en) * 2007-03-19 2015-11-03 Intension, Inc. Method of assembling an enhanced media content narrative
KR100873951B1 (ko) 2007-03-23 2008-12-12 주식회사 알티캐스트 채널 검색 장치 및 시스템
US9424587B2 (en) 2007-04-11 2016-08-23 Comcast Cable Communications, Llc Advertisement supported video download
US8578416B1 (en) * 2007-04-27 2013-11-05 Rovi Guides, Inc. Systems and methods for providing blackout recording and summary information
CN101316338B (zh) * 2007-05-29 2011-08-24 联想(北京)有限公司 一种电视频道查找方法及装置
EP2149256B1 (fr) * 2007-05-30 2018-04-04 Orange Generation d'une mosaique tv personnalisable
KR100904015B1 (ko) 2007-06-12 2009-06-22 주식회사 알티캐스트 멀티동영상컨텐츠 탐색 서비스 제공 시스템 및 그 방법
US8056102B2 (en) * 2007-06-18 2011-11-08 Alticast Corporation Channel selection device receiving a multi-channel video and a channel selection method receiving a multi-channel video
CN101118736B (zh) * 2007-07-10 2012-08-22 康佳集团股份有限公司 一种在液晶电视上实现多个vga源同步监视的方法
CN101355688A (zh) * 2007-07-26 2009-01-28 华为技术有限公司 用于iptv的频道选择方法、合成编码装置和机顶盒
JP5173337B2 (ja) * 2007-09-18 2013-04-03 Ｋｄｄｉ株式会社 要約コンテンツ生成装置およびコンピュータプログラム
KR100890643B1 (ko) * 2007-09-20 2009-03-27 주식회사 알티캐스트 프로그램 가이드 서비스 제공 방법 및 시스템
WO2009073925A1 (en) * 2007-12-12 2009-06-18 Colin Simon Method, system and apparatus to enable convergent television accessibility on digital television panels with encryption capabilities
US20090158337A1 (en) * 2007-12-13 2009-06-18 Mobitv, Inc. Mosaic video content selection mechanism
KR101458030B1 (ko) * 2008-02-13 2014-11-04 삼성전자 주식회사 디지털 방송 수신기의 채널 정보 표시 방법 및 장치
CN101388982B (zh) * 2008-10-15 2013-04-24 深圳市同洲电子股份有限公司 一种电视节目浏览方法、系统及数字电视接收终端
KR101541351B1 (ko) * 2008-11-17 2015-08-03 주식회사 알티캐스트 디지털 방송 수신기에서 수신한 방송 컨텐츠의 화면 구성 제어 방법 및 장치
CN101442650B (zh) * 2008-12-22 2011-05-18 华为终端有限公司 马赛克电视业务的实现方法、装置及系统
KR101570696B1 (ko) * 2009-05-29 2015-11-20 엘지전자 주식회사 영상표시장치 및 그 동작방법
US9237296B2 (en) 2009-06-01 2016-01-12 Lg Electronics Inc. Image display apparatus and operating method thereof
KR101551212B1 (ko) * 2009-06-02 2015-09-18 엘지전자 주식회사 영상표시장치 및 그 동작방법
EP2458856A4 (en) * 2009-07-23 2014-08-13 Sharp Kk DEVICE FOR SEARCHING FOR INFORMATION RELATING TO A PROGRAM
JP5526652B2 (ja) * 2009-08-18 2014-06-18 ソニー株式会社 表示装置及び表示方法
JP5515507B2 (ja) * 2009-08-18 2014-06-11 ソニー株式会社 表示装置及び表示方法
JP2011041221A (ja) * 2009-08-18 2011-02-24 Sony Corp 表示装置及び表示方法
CN101635828B (zh) * 2009-08-19 2011-09-21 中兴通讯股份有限公司 实现iptv频道录制和播放的机顶盒装置、系统和方法
US8397258B2 (en) * 2009-08-19 2013-03-12 Lg Electronics Inc. Image display apparatus and method for operating an image display apparatus
KR101586293B1 (ko) * 2009-11-11 2016-01-18 엘지전자 주식회사 영상표시장치 및 그 동작방법
KR101636714B1 (ko) * 2009-12-08 2016-07-20 엘지전자 주식회사 영상표시장치 및 그 동작방법
EP2362649A1 (en) * 2010-02-16 2011-08-31 Axel Springer Digital TV Guide GmbH Adaptive placement of auxiliary media in recommender systems
KR20120013727A (ko) 2010-08-06 2012-02-15 삼성전자주식회사 디스플레이장치 및 그 제어방법
US8949892B2 (en) 2011-02-14 2015-02-03 Joseph Kiok Image sampling from multicast streams
CN102186068A (zh) * 2011-04-18 2011-09-14 广州视睿电子科技有限公司 一种基于iphone或ipod的无线传输设备及方法
CA2836462A1 (en) 2011-05-17 2012-11-22 Eduard Zaslavsky System and method for scalable, high accuracy, sensor and id based audience measurement system
KR101824991B1 (ko) 2011-05-20 2018-02-02 엘지전자 주식회사 복수개의 소스와 연결되어 있는 디스플레이 장치 및 그 제어 방법
CN103649906A (zh) 2011-05-24 2014-03-19 韦伯图纳公司 提高观众测量系统中的分析报告产生的效率和速度的系统和方法
CA2837469A1 (en) 2011-05-26 2012-11-29 Webtuner Corp. Highly scalable audience measurement system with client event pre-processing
CN103297855B (zh) * 2012-03-02 2015-05-20 腾讯科技（深圳）有限公司 一种应用展示方法以及一种终端
US9582157B1 (en) * 2012-08-03 2017-02-28 I4VU1, Inc. User interface and program guide for a multi-program video viewing apparatus
US9407961B2 (en) * 2012-09-14 2016-08-02 Intel Corporation Media stream selective decode based on window visibility state
CN103929611B (zh) * 2013-01-10 2017-04-05 杭州海康威视数字技术股份有限公司 一种多画面分页播放方法
US10104438B1 (en) 2013-03-15 2018-10-16 Cox Communications, Inc Automatic population of a programming guide mosaic screen
CN105340280B (zh) * 2013-07-02 2018-09-25 索尼公司 内容供应装置、内容供应方法、存储介质、终端装置及内容供应系统
CN103458304A (zh) * 2013-08-07 2013-12-18 四川长虹电器股份有限公司 一种机顶盒的预览方法
CN103596038B (zh) * 2013-11-20 2017-04-26 韩巍 一种实时视频内容的导航方法及装置
US9798596B2 (en) 2014-02-27 2017-10-24 Commvault Systems, Inc. Automatic alert escalation for an information management system
US20160054905A1 (en) * 2014-08-21 2016-02-25 Opentv Inc. Systems and methods for enabling selection of available content including multiple navigation techniques
US10158904B2 (en) * 2015-09-23 2018-12-18 Rovi Guides, Inc. Systems and methods to combine programming from multiple channels
US10698565B2 (en) * 2016-12-06 2020-06-30 The Directv Group, Inc. Context-based icon for control via a touch sensitive interface
CN108282687A (zh) * 2017-12-15 2018-07-13 北京歌华有线电视网络股份有限公司 一种数字电视播放方法及一种机顶盒

Family Cites Families (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694490A (en) * 1981-11-03 1987-09-15 Harvey John C Signal processing apparatus and methods
US5036537A (en) * 1984-11-19 1991-07-30 General Instrument Corp. Geographic black-out method for direct broadcast satellite system
US4685131A (en) * 1985-03-11 1987-08-04 General Instrument Corp. Program blocking method for use in direct broadcast satellite system
DE3688855T2 (de) * 1985-05-01 1994-03-17 Gen Instrument Corp Satellitenübertragungssystem mit Direktübertragung.
US5323462A (en) * 1988-03-10 1994-06-21 Scientific-Atlanta, Inc. CATV subscriber disconnect switch
US5287539A (en) * 1988-03-10 1994-02-15 Scientific-Atlanta, Inc. Interdiction program denial system for jamming audio and video signals
JPH01280977A (ja) 1988-03-31 1989-11-13 Toshiba Corp テレビジョンシステムの子画面表示方法及びその装置
US5506628A (en) 1988-06-14 1996-04-09 Samsung Electronics Co., Ltd. Menu-type multi-channel system having a page up/down mode feature
JPH0219079A (ja) 1988-07-06 1990-01-23 Pioneer Electron Corp 映像信号処理装置
US4977455B1 (en) * 1988-07-15 1993-04-13 System and process for vcr scheduling
FR2641152B1 (hu) 1988-12-23 1996-05-10 Europ Rech Electr Lab
KR920002047B1 (ko) 1988-12-24 1992-03-10 삼성전자 주식회사 전채널 탐색방법
US5663757A (en) * 1989-07-14 1997-09-02 Morales; Fernando Software controlled multi-mode interactive TV systems
KR930006483B1 (ko) 1991-06-24 1993-07-16 삼성전자 주식회사 멀티 화상의 메세지 출력회로
JPH0575944A (ja) 1991-09-10 1993-03-26 Sony Corp テレビジヨン受像機
JPH05236377A (ja) 1992-02-18 1993-09-10 Sony Corp 映像セレクタ
JP3161017B2 (ja) 1992-04-16 2001-04-25 ソニー株式会社 動画像復号化装置
JPH0638128A (ja) 1992-06-19 1994-02-10 Sony Corp 映像表示装置
JPH066792A (ja) 1992-06-23 1994-01-14 Matsushita Electric Ind Co Ltd Ｃａｔｖシステム
JP2840507B2 (ja) 1992-10-29 1998-12-24 三洋電機株式会社 Ｃａｔｖ端末装置
US5537153A (en) 1992-11-16 1996-07-16 Kabushiki Kaisha Toshiba Television signal transmission and reception system with multi-screen display for tuning operation
US5592551A (en) * 1992-12-01 1997-01-07 Scientific-Atlanta, Inc. Method and apparatus for providing interactive electronic programming guide
JP3326628B2 (ja) 1992-12-02 2002-09-24 ソニー株式会社 多重映像テレビ受像機
JP3137486B2 (ja) 1993-01-29 2001-02-19 松下電器産業株式会社 多画面分割表示装置
JPH06311449A (ja) 1993-02-26 1994-11-04 Sony Corp テレビジョン受像機
DE69432199T2 (de) 1993-05-24 2004-01-08 Sun Microsystems, Inc., Mountain View Graphische Benutzerschnittstelle mit Verfahren zur Schnittstellebildung mit fernsteuernden Einrichtungen
US6239794B1 (en) * 1994-08-31 2001-05-29 E Guide, Inc. Method and system for simultaneously displaying a television program and information about the program
US5485221A (en) 1993-06-07 1996-01-16 Scientific-Atlanta, Inc. Subscription television system and terminal for enabling simultaneous display of multiple services
US5594509A (en) 1993-06-22 1997-01-14 Apple Computer, Inc. Method and apparatus for audio-visual interface for the display of multiple levels of information on a display
US5585866A (en) * 1993-09-09 1996-12-17 Miller; Larry Electronic television program guide schedule system and method including virtual channels
US5822123A (en) 1993-09-09 1998-10-13 Davis; Bruce Electronic television program guide schedule system and method with pop-up hints
US5589892A (en) 1993-09-09 1996-12-31 Knee; Robert A. Electronic television program guide schedule system and method with data feed access
FR2713427B1 (fr) 1993-12-01 1995-12-29 Thomson Consumer Electronics Procédé de sélection de programmes vidéo.
JP2848432B2 (ja) * 1993-12-27 1999-01-20 日本電気株式会社 受信局管理装置
JPH07250316A (ja) 1994-03-14 1995-09-26 Brother Ind Ltd データ伝送装置
US5602596A (en) 1994-04-08 1997-02-11 U S West Technologies, Inc. Method for navigating a complex multimedia structure at an interactive user station
CN1139258C (zh) 1994-04-15 2004-02-18 皇家菲利浦电子有限公司 用于传送和接收数字视频信号的装置
US6002444A (en) * 1994-05-20 1999-12-14 United Video Properties, Inc. Video clip program guide
US5574494A (en) * 1994-05-31 1996-11-12 U.S. West Technologies, Inc. Method for automatically navigating a complex struture at an interactive user station
JP3555696B2 (ja) 1994-07-12 2004-08-18 ソニー株式会社 テレビジヨン信号受信装置
US5528304A (en) 1994-07-22 1996-06-18 Zenith Electronics Corp. Picture-in-picture feedback for channel related features
KR100409187B1 (ko) * 1994-08-16 2004-03-10 소니 가부시끼 가이샤 텔레비젼신호수신및프로그램절환장치와방법과원격조정기
US5926168A (en) 1994-09-30 1999-07-20 Fan; Nong-Qiang Remote pointers for interactive televisions
US5594794A (en) * 1994-10-18 1997-01-14 General Instrument Corporation Of Delaware Method and apparatus for free previews of communication network services
MY114897A (en) 1994-10-25 2003-02-28 Thomson Consumer Electronics Use of audio processing channel in a television receiver during a multipicture mode of operation
JP3498866B2 (ja) 1994-11-07 2004-02-23 ソニー株式会社 画像表示制御装置および方法
US5617565A (en) 1994-11-29 1997-04-01 Hitachi America, Ltd. Broadcast interactive multimedia system
US6008803A (en) 1994-11-29 1999-12-28 Microsoft Corporation System for displaying programming information
DE19548957C2 (de) 1994-12-28 1999-12-16 Lg Electronics Inc Automatisches Kanalsuchverfahren für einen Fernsehempfänger
US6341195B1 (en) * 1994-12-28 2002-01-22 E-Guide, Inc. Apparatus and methods for a television on-screen guide
WO1996024217A1 (en) 1995-02-02 1996-08-08 Philips Electronics N.V. Merging of video mosaic with teletext
JP4001942B2 (ja) 1995-02-06 2007-10-31 ソニー株式会社 受信装置および受信方法、並びに放送システムおよび放送方法
JP3855282B2 (ja) * 1995-02-06 2006-12-06 ソニー株式会社 受信装置および受信方法
CN1135140A (zh) 1995-02-27 1996-11-06 松下电器产业株式会社 用于多重图像显示的补偿电压发生装置及其视频显示装置
JPH08237563A (ja) 1995-02-28 1996-09-13 Toshiba Corp テレビジョン受像機
JP3065227B2 (ja) * 1995-03-10 2000-07-17 ソニー株式会社 視聴制限装置および視聴制限方法
US5557338A (en) 1995-04-05 1996-09-17 Thomson Consumer Electronics, Inc. Television receiver using received channel guide information and a secondary video signal processor for displaying secondary channel information
JP3536946B2 (ja) 1995-04-17 2004-06-14 ソニー株式会社 電子番組ガイド受信装置および方法
US5818438A (en) 1995-04-25 1998-10-06 Bellsouth Corporation System and method for providing television services
US5585838A (en) * 1995-05-05 1996-12-17 Microsoft Corporation Program time guide
GB9526304D0 (en) 1995-05-22 1996-02-21 British Sky Broadcasting Ltd Interactive services interface
US5606374A (en) 1995-05-31 1997-02-25 International Business Machines Corporation Video receiver display of menu overlaying video
US5539479A (en) 1995-05-31 1996-07-23 International Business Machines Corporation Video receiver display of cursor and menu overlaying video
CN1095277C (zh) * 1995-07-03 2002-11-27 皇家菲利浦电子有限公司 向接收机发送菜单的方法和装置
JP3698273B2 (ja) 1995-07-20 2005-09-21 ソニー株式会社 電子番組ガイド伝送装置および方法、電子番組ガイド受信装置および方法、並びに電子番組ガイド送受信システムおよび方法
CA2181781C (en) 1995-07-26 2000-02-29 Seiji Iwafune Television system for providing interactive television programs and server system for constructing the television system
US5815145A (en) 1995-08-21 1998-09-29 Microsoft Corporation System and method for displaying a program guide for an interactive televideo system
US5758259A (en) * 1995-08-31 1998-05-26 Microsoft Corporation Automated selective programming guide
US5929932A (en) 1995-10-24 1999-07-27 Sanyo Electric Co., Ltd. Program guide display controller at user terminal of television broadcasting system
US5872588A (en) * 1995-12-06 1999-02-16 International Business Machines Corporation Method and apparatus for monitoring audio-visual materials presented to a subscriber
JPH09233458A (ja) 1996-02-28 1997-09-05 Toshiba Corp 画像選択方法および画像選択装置
US5999970A (en) 1996-04-10 1999-12-07 World Gate Communications, Llc Access system and method for providing interactive access to an information source through a television distribution system
US5657072A (en) 1996-04-10 1997-08-12 Microsoft Corporation Interactive entertainment network system and method for providing program listings during non-peak times
US5940073A (en) * 1996-05-03 1999-08-17 Starsight Telecast Inc. Method and system for displaying other information in a TV program guide
KR970078629A (ko) 1996-05-28 1997-12-12 이형도 다채널 동시검색기능을 구비한 디지탈위성영상수신기
US5969748A (en) * 1996-05-29 1999-10-19 Starsight Telecast, Inc. Television schedule system with access control
KR100198929B1 (ko) * 1996-06-19 1999-06-15 이계철 유료 방송 서비스를 위한 유니트 단위의 시청권한 부여방법
US5828402A (en) * 1996-06-19 1998-10-27 Canadian V-Chip Design Inc. Method and apparatus for selectively blocking audio and video signals
US5862299A (en) * 1996-06-19 1999-01-19 Sony Corporation Conditional access system for local storage device
US5929850A (en) * 1996-07-01 1999-07-27 Thomson Consumer Electronices, Inc. Interactive television system and method having on-demand web-like navigational capabilities for displaying requested hyperlinked web-like still images associated with television content
US5986650A (en) 1996-07-03 1999-11-16 News America Publications, Inc. Electronic television program guide schedule system and method with scan feature
FR2752130B1 (fr) 1996-07-31 1999-03-19 Thomson Multimedia Sa Procede de selection de programmes, notamment de programmes de television et dispositif et interface graphique mettant en oeuvre ce procede
FR2752314B1 (fr) 1996-08-12 1999-01-15 Thomson Multimedia Sa Procede de navigation dans une interface utilisateur graphique et dispositif de mise en oeuvre
US6118492A (en) * 1996-08-14 2000-09-12 Starsight Telecast, Inc. Guide system and method of operation
JP3528480B2 (ja) 1996-11-19 2004-05-17 ソニー株式会社 Ｅｐｇ機器及びその制御方法
AU720959B2 (en) 1996-11-21 2000-06-15 Koninklijke Philips Electronics N.V. Transmission and reception of television programs and an additional data service
US5874936A (en) * 1996-12-20 1999-02-23 International Business Machines Corporation Method and apparatus for automatic scrolling by remote control
US5978649A (en) * 1996-12-27 1999-11-02 Hughes Electronics Corporation Method and apparatus for dynamic conditional channel authorization in a broadcast system
US6473903B2 (en) * 1996-12-30 2002-10-29 Koninklijke Philips Electronics N.V. Method and system for implementing interactive broadcast programs and commercials
US6020880A (en) 1997-02-05 2000-02-01 Matsushita Electric Industrial Co., Ltd. Method and apparatus for providing electronic program guide information from a single electronic program guide server
GB9703193D0 (en) 1997-02-15 1997-04-02 Philips Electronics Nv Television
US5850218A (en) 1997-02-19 1998-12-15 Time Warner Entertainment Company L.P. Inter-active program guide with default selection control
US5900868A (en) 1997-04-01 1999-05-04 Ati International Method and apparatus for multiple channel display
US6181364B1 (en) * 1997-05-16 2001-01-30 United Video Properties, Inc. System for filtering content from videos
US6020930A (en) * 1997-08-28 2000-02-01 Sony Corporation Method and apparatus for generating and displaying a broadcast system program guide
US6166780A (en) * 1997-10-21 2000-12-26 Principle Solutions, Inc. Automated language filter
US7174512B2 (en) * 2000-12-01 2007-02-06 Thomson Licensing S.A. Portal for a communications system

Also Published As

Publication number Publication date
CZ2001245A3 (cs) 2001-09-12
ES2207953T3 (es) 2004-06-01
TR200100164T2 (tr) 2001-06-21
CN1318256A (zh) 2001-10-17
CA2336679A1 (en) 2000-02-03
IL140738A0 (en) 2002-02-10
HUP0103899A2 (hu) 2002-03-28
EP1246465A2 (en) 2002-10-02
JP2002521926A (ja) 2002-07-16
HRP20010031A2 (en) 2001-12-31
ATE250831T1 (de) 2003-10-15
EP1097584B1 (en) 2002-10-02
KR20010053591A (ko) 2001-06-25
ES2184471T3 (es) 2003-04-01
EP1246465A3 (en) 2010-09-08
BR9912281A (pt) 2001-04-17
JP4456274B2 (ja) 2010-04-28
JO2122B1 (en) 2000-05-21
KR100607066B1 (ko) 2006-08-01
HUP0103899A3 (en) 2002-12-28
DE69911613D1 (de) 2003-10-30
HRP20010032A2 (en) 2001-12-31
ID28911A (id) 2001-07-12
WO2000005886A1 (en) 2000-02-03
BR9912282A (pt) 2001-05-08
AU4794099A (en) 2000-02-14
HUP0104305A3 (en) 2002-12-28
CA2336681A1 (en) 2000-02-03
JP4889857B2 (ja) 2012-03-07
AU755379B2 (en) 2002-12-12
CN1232120C (zh) 2005-12-14
WO2000005887A1 (en) 2000-02-03
ZA200100184B (en) 2001-07-23
ID27981A (id) 2001-05-03
NO20010301D0 (no) 2001-01-18
CN1181685C (zh) 2004-12-22
AU4794499A (en) 2000-02-14
CA2336681C (en) 2009-11-03
KR20010053590A (ko) 2001-06-25
DE69911613T2 (de) 2004-06-17
IL140737A0 (en) 2002-02-10
PL345628A1 (en) 2002-01-02
DE69903314D1 (de) 2002-11-07
NO20010302L (no) 2001-03-20
EP1097583B1 (en) 2003-09-24
CA2336679C (en) 2007-10-30
US7757252B1 (en) 2010-07-13
KR100610243B1 (ko) 2006-08-09
JO2123B1 (en) 2000-05-21
EP1097584A1 (en) 2001-05-09
HK1033517A1 (en) 2001-08-31
JP2002521927A (ja) 2002-07-16
NO20010302D0 (no) 2001-01-18
CN1318254A (zh) 2001-10-17
RU2237378C2 (ru) 2004-09-27
DE69903314T2 (de) 2003-06-18
NO332431B1 (no) 2012-09-17
ZA200100185B (en) 2001-07-23
HU228951B1 (en) 2013-07-29
NO20010301L (no) 2001-03-20
TR200102701T2 (tr) 2002-06-21
ATE225588T1 (de) 2002-10-15
EP1097583A1 (en) 2001-05-09
AU757095B2 (en) 2003-01-30
CZ2001244A3 (cs) 2001-08-15
PL345659A1 (en) 2002-01-02
TR200100169T2 (tr) 2001-06-21
HK1033519A1 (en) 2001-08-31
RU2001104531A (ru) 2003-02-10

Similar Documents

Publication Publication Date Title
HUP0104305A2 (hu) Digitális televízió rendszer, továbbá eljárás digitális televízió rendszerben információhoz, illetve csatornához való hozzáférésre
KR100393507B1 (ko) 미디어온라인서비스액세스시스템과방법
EP0434585B1 (fr) Dispositif de consultation intelligible de la nature des droits d'accès à un service de télévision et/ou de radio à péage
TW363329B (en) Method and apparatus for processing a conditional access program guide as for a satellite TV service
EP0952734A3 (en) System for selecting, accessing, and viewing portions of an information stream(s) using a television companion device
CA2395354A1 (en) Information distribution system for use in an elevator
GB2309134A (en) Information inclusion in television broadcasting
EP1411725A3 (en) Information transmission and display method and information display apparatus
HUP0100148A2 (hu) Digitális televíziórendszer, dekóder a rendszerhez, és eljárás digitális audiovizuális információ adására
SE9002880L (sv) Kabeltelevisionssystem
EP1158790A3 (en) Device and method for the integrated presentation of a secondary service as a part of a primary service
WO2001067736A3 (en) Apparatus and method for providing a plurality of interactive program guide initial arrangements
US7949604B2 (en) Information providing system, and information processing apparatus and method
KR100380830B1 (ko) 미디어 전송의 수신인증을 제공하는 시스템 및 방법
US20050125824A1 (en) Method for providing PEG channel programming
EP1267573A3 (en) Television system with electronic programme guide
MY131519A (en) Navigation system for a multichannel digital television system
CA2195273A1 (en) A network database system and its navigator
WO1999022515A1 (en) Transmission and retrieval of information
SE9802289D0 (sv) System för att återge information
KR970057812A (ko) 대화형 서비스 시스템에서의 사용자 그래픽 인터페이스 방법
ITTO950150A1 (it) Sistema di ricetrasmissione di segnali audio assieme a segnali teletext
KR20000056057A (ko) 캡션 방송 시스템의 자막 데이타 처리방법
KR960003384A (ko) 케이블 텔레비젼 방송에 있어서 즉시 신청 가능 유료 프로그램 수신방법
CA2458358A1 (en) Information distribution system for use in an elevator