JP2020162094A - 送信装置、受信装置、送受信装置および送受信システム - Google Patents
送信装置、受信装置、送受信装置および送受信システム Download PDFInfo
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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Abstract
Description
110…送信装置、111…ラッチ、112…スクランブラ、113…符号化部、114…シリアライザ、115…セレクタ、116…トレーニングパターン信号生成部、117…PLL回路。
120…受信装置、121…ラッチ、122…デスクランブラ、123…復号化部、124…デシリアライザ、125…サンプラ、126…CDR部、127…分周部、130,140…SoC。
210…送信装置、211…ラッチ、212…スクランブラ、213…符号化部、214…シリアライザ、215…セレクタ、216…トレーニングパターン信号生成部、217…PLL回路。
220…受信装置、221…ラッチ、222…デスクランブラ、223…復号化部、224…デシリアライザ、225…サンプラ、226…CDR部、227…分周部、230,240…SoC。
Claims (14)
- 伝送速度が互いに異なる少なくとも二つの信号を含む複数の信号に基づくシリアルデータ信号を受信装置へ送出する送信装置であって、
前記複数の信号を入力するとともに、前記複数の信号のうち最も高速な信号の伝送速度以上に高速なサンプリングクロックを入力し、前記サンプリングクロックが指示するタイミングで前記複数の信号それぞれのレベルを保持し、その保持した前記複数の信号をパラレルデータ信号として出力するラッチと、
前記ラッチから出力されたパラレルデータ信号に基づいて符号化されたパラレルデータ信号を生成して出力する符号化部と、
前記符号化部から出力されたパラレルデータ信号に基づいてシリアルデータ信号を生成して出力するシリアライザと、
前記受信装置においてクロックデータ復元動作のトレーニングを行う為のトレーニングパターン信号、および、前記シリアライザから出力されたシリアルデータ信号の、何れかを選択して前記受信装置へ送出するセレクタと、
を備える送信装置。 - 前記サンプリングクロックは、前記複数の信号のうち最も高速な信号の伝送速度より高速かつ非同期である、
請求項1に記載の送信装置。 - 前記複数の信号のうちの何れかの信号は音声信号であり、
前記サンプリングクロックは前記音声信号の伝送速度と同じ又は逓倍の速度の周波数を有する、
請求項1に記載の送信装置。 - 前記複数の信号のうちの何れかの信号はクロックエンベディッドデータ信号である、
請求項1〜3の何れか1項に記載の送信装置。 - 伝送速度が互いに異なる少なくとも二つの信号を含む複数の信号に基づくシリアルデータ信号を送信装置から受信する受信装置であって、
前記送信装置から送られて来たトレーニングパターン信号に基づいてクロックデータ復元動作のトレーニングを行い、トレーニング終了後に前記送信装置から送られて来たシリアルデータ信号に基づいてクロックおよびデータを復元して出力する受信部と、
前記受信部により復元されて出力されたクロックを分周して、前記複数の信号のうち最も高速な信号の伝送速度以上に高速なサンプリングクロックを生成して出力する分周部と、
前記受信部により復元されて出力されたデータに基づいてパラレルデータ信号を生成して出力するデシリアライザと、
前記デシリアライザから出力されたパラレルデータ信号に基づいて復号化されたパラレルデータ信号を生成して出力する復号化部と、
前記サンプリングクロックが指示するタイミングで前記復号化部から出力されたパラレルデータ信号の各ビットのレベルを保持し、その保持した各ビットの信号を前記複数の信号の何れかとして出力するラッチと、
を備える受信装置。 - 前記サンプリングクロックは、前記複数の信号のうち最も高速な信号の伝送速度より高速かつ非同期である、
請求項5に記載の受信装置。 - 前記複数の信号のうちの何れかの信号は音声信号であり、
前記サンプリングクロックは前記音声信号の伝送速度と同じ又は逓倍の速度の周波数を有する、
請求項5に記載の受信装置。 - 前記複数の信号のうちの何れかの信号はクロックエンベディッドデータ信号である、
請求項5〜7の何れか1項に記載の受信装置。 - 請求項1〜4の何れか1項に記載の送信装置と、この送信装置とは別の送信装置から送出されたシリアルデータ信号を受信する請求項5〜8の何れか1項に記載の受信装置と、を備える送受信装置。
- 請求項1に記載の送信装置と、この送信装置から送出されたシリアルデータ信号を受信する請求項5に記載の受信装置と、を備える送受信システム。
- 請求項2に記載の送信装置と、この送信装置から送出されたシリアルデータ信号を受信する請求項6に記載の受信装置と、を備える送受信システム。
- 請求項3に記載の送信装置と、この送信装置から送出されたシリアルデータ信号を受信する請求項7に記載の受信装置と、を備える送受信システム。
- 請求項4に記載の送信装置と、この送信装置から送出されたシリアルデータ信号を受信する請求項8に記載の受信装置と、を備える送受信システム。
- 映像信号を送出する映像送信装置と、この映像送信装置から送出された映像信号を受信する映像受信装置と、を更に備える請求項12に記載の送受信システム。
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JP2019062762A JP7224637B2 (ja) | 2019-03-28 | 2019-03-28 | 送信装置、受信装置、送受信装置および送受信システム |
KR1020200035390A KR20200115238A (ko) | 2019-03-28 | 2020-03-24 | 송신 장치, 수신 장치, 송수신 장치 및 송수신 시스템 |
CN202010211904.4A CN111757150B (zh) | 2019-03-28 | 2020-03-24 | 发送装置、接收装置、收发装置以及收发系统 |
US16/829,491 US11122187B2 (en) | 2019-03-28 | 2020-03-25 | Transmitter, receiver, transmitter/receiver, and transmitting/receiving system |
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