JP2004013795A5 - Image transmitting / receiving apparatus, transmission apparatus, and transmission program - Google Patents

Image transmitting / receiving apparatus, transmission apparatus, and transmission program Download PDF

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Publication number
JP2004013795A5
JP2004013795A5 JP2002170040A JP2002170040A JP2004013795A5 JP 2004013795 A5 JP2004013795 A5 JP 2004013795A5 JP 2002170040 A JP2002170040 A JP 2002170040A JP 2002170040 A JP2002170040 A JP 2002170040A JP 2004013795 A5 JP2004013795 A5 JP 2004013795A5
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display
image
data
capability
information processing
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JP2002170040A
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JP2004013795A (en
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Priority to JP2002170040A priority Critical patent/JP2004013795A/en
Priority claimed from JP2002170040A external-priority patent/JP2004013795A/en
Publication of JP2004013795A publication Critical patent/JP2004013795A/en
Publication of JP2004013795A5 publication Critical patent/JP2004013795A5/en
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Claims (8)

情報処理装置に接続され、前記情報処理装置から出力される画面データを無線で送信する画像送信装置と、表示装置に接続され、前記画像送信装置から送信される画面データを受信し前記表示装置に対して画面表示を行わせる画像受信装置を有する画像送受信装置において、
前記画像送信装置は、前記情報処理装置から前記表示装置に対する画面表示信号から、フレーム単位で画面データを抽出する抽出手段と、
前記抽出されたフレームデータを格納するフレームデータ格納手段と、
前記抽出されたフレームデータを前記画像受信装置に対して送信する送信手段と、
前記表示装置の設定情報から算出される一画面あたりのデータサイズと、前記画像送信装置が備えるフレームメモリに格納可能なデータサイズを比較する比較手段とを有し、
前記画像受信装置は、前記画像送信装置から送信される画像データを受信する受信手段と、
前記表示装置から得られる前記表示装置に関する設定情報を、前記画像送信装置に対して通知する通知手段と、
前記表示装置に対して受信した画像データの表示を行わせる表示制御手段を有することを特徴とする画像送受信装置。An image transmission apparatus connected to an information processing apparatus and wirelessly transmitting screen data output from the information processing apparatus, and a display apparatus connected to the display apparatus, receiving screen data transmitted from the image transmission apparatus In the image transmitting and receiving apparatus having an image receiving apparatus for causing a screen display
The image transmitting apparatus extracting means for extracting screen data in frame units from a screen display signal from the information processing apparatus to the display apparatus;
Frame data storage means for storing the extracted frame data;
Transmitting means for transmitting the extracted frame data to the image receiving apparatus;
And comparing means for comparing the data size per screen calculated from the setting information of the display device with the data size storable in the frame memory of the image transmission device.
The image receiving apparatus comprises: receiving means for receiving image data transmitted from the image transmitting apparatus;
Notification means for notifying the image transmission device of setting information on the display device obtained from the display device;
An image transmitting / receiving apparatus comprising display control means for causing the display device to display received image data. 請求項１において、前記画像送信装置は、前記データサイズの比較結果から、よりデータサイズの小さい側に合わせた画面出力を行うように、前記情報処理装置に対して通知することを特徴とする画像送受信装置。The image processing apparatus according to claim 1, wherein the image transmitting apparatus notifies the information processing apparatus to perform screen output in accordance with a smaller data size based on the comparison result of the data size. Transmitter and receiver. 請求項１において、前記設定情報は、前記表示装置が表示可能な解像度情報、および表示色数の情報を含むことを特徴とする画像送受信装置。The image transmitting and receiving apparatus according to claim 1, wherein the setting information includes resolution information that can be displayed by the display device and information on the number of display colors. 請求項１において、前記画像送信装置は、前記情報処理装置とのデータ通信において、前記画像受信装置は、前記表示装置とのデータ通信において、画面表示信号の垂直同期信号をデータ転送用クロックとして用いて、シリアル通信することを特徴とする画像送受信装置。The image transmission apparatus according to claim 1, wherein, in the data communication with the information processing apparatus, the image receiving apparatus uses a vertical synchronization signal of a screen display signal as a data transfer clock in the data communication with the display apparatus. An image transmitting / receiving apparatus characterized by serial communication. 表示装置と情報処理装置の間で、データを伝送する伝送装置において、
前記表示装置が有する表示能力を示す第一の能力信号を受信する受信手段と、
前記表示装置が所定の表示能力を超える表示能力を有する場合には、表示能力が前記所定の表示能力以下であることを示す第二の能力信号が前記情報処理装置に供給されるように、前記第二の能力信号を出力する出力手段とを有することを特徴とする伝送装置。In a transmission device for transmitting data between a display device and an information processing device,
Receiving means for receiving a first capability signal indicating a display capability of the display device;
When the display device has a display capability exceeding a predetermined display capability, the second capability signal indicating that the display capability is equal to or less than the predetermined display capability is supplied to the information processing apparatus. And (d) output means for outputting a second capability signal. 請求項５において、前記情報処理装置が前記所定の表示能力を超える画像データを出力した場合、前記表示装置が所定の表示を行うように、表示データを出力する表示データ出力手段を更に有することを特徴とする伝送装置。6. The display device according to claim 5, further comprising display data output means for outputting display data such that the display device performs predetermined display when the information processing device outputs image data exceeding the predetermined display capability. Transmission device characterized by 表示装置と情報処理装置の間で、データを伝送する伝送装置のための伝送プログラムにおいて、
前記表示装置が有する表示能力を示す第一の能力信号を受信し、
前記表示装置が所定の表示能力を超える表示能力を有する場合には、表示能力が前記所定の表示能力以下であることを示す第二の能力信号が前記情報処理装置に供給されるように、前記第二の能力信号を出力することを特徴とする伝送プログラム。In a transmission program for a transmission device for transmitting data between a display device and an information processing device,
Receiving a first capability signal indicating a display capability of the display device;
When the display device has a display capability exceeding a predetermined display capability, the second capability signal indicating that the display capability is equal to or less than the predetermined display capability is supplied to the information processing apparatus. A transmission program characterized by outputting a second capability signal. 請求項７において、前記情報処理装置が前記所定の表示能力を超える画像データを出力した場合、前記表示装置が所定の表示を行うように、表示データを出力することを特徴とする伝送プログラム。The transmission program according to claim 7, wherein the display data is output such that the display device performs a predetermined display when the information processing device outputs image data exceeding the predetermined display capability.
JP2002170040A 2002-06-11 2002-06-11 Image transmitter-receiver and transmitting device Pending JP2004013795A (en)

Priority Applications (1)

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JP2002170040A JP2004013795A (en) 2002-06-11 2002-06-11 Image transmitter-receiver and transmitting device

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JP2002170040A JP2004013795A (en) 2002-06-11 2002-06-11 Image transmitter-receiver and transmitting device

Publications (2)

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JP2004013795A JP2004013795A (en) 2004-01-15
JP2004013795A5 true JP2004013795A5 (en) 2005-04-07

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Publication number Priority date Publication date Assignee Title
JP6009824B2 (en) * 2012-05-29 2016-10-19 株式会社東芝 Electronic device, control method and program
CN112087587B (en) * 2020-08-31 2024-09-17 西安万像电子科技有限公司 Screen throwing equipment control method and system

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* Cited by examiner, † Cited by third party
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JPH01173787U (en) * 1988-05-27 1989-12-11
JPH10133995A (en) * 1996-05-13 1998-05-22 Sun Microsyst Inc Method and device for selecting optimum capability between computer system and peripehral device
JPH114461A (en) * 1997-06-11 1999-01-06 Fujitsu General Ltd Infrared-ray image transmission system
JP2001103491A (en) * 1999-07-16 2001-04-13 Sony Corp Transmitter, receiver and signal transmission system using them
JP4545895B2 (en) * 2000-07-17 2010-09-15 キヤノン株式会社 Image display device and display control method for image display device

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