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    4.
    发明专利
    未知

    公开(公告)号：DE69324458T2

    公开(公告)日：1999-11-04

    申请号：DE69324458

    申请日：1993-12-20

    Applicant: SONY CORP

    Inventor： OSAKABE YOSHIO ,  YAMAZAKI HIROSHI ,  SUGIYAMA KOUICHI ,  TANAKA SHIGEO ,  KATSUYAMA AKIRA ,  KUSAGAYA YASUO ,  KOTABE NORIKO ,  SATO MAKOTO

    IPC: H04Q9/00 ,  H04B1/20 ,  H04L12/28 ,  H04N5/765

    Abstract: There is disclosed a communication system using a bi-directional bus, which comprises a plurality of devices (e.g., TV Image Receiver, Video Tape Recorder, etc.) respectively including sub-devices (e.g., Monitor Image Receiver, TV tuner, Video Deck, etc.) adapted for executing the operation for a received control command. Each device comprises a transmit signal formation unit for forming a transmit signal having a frame structure consisting of an address field for specifying addresses of devices between which communication is carried out, and a data field for specifying a control command for device or sub-device, and including a channel select code of a fixed length, inserted at a predetermined position of the data field, indicating communication from sub-device included in device to any other device, communication from device to sub-device included in any other device, or communication from device to device; and a bus output unit for outputting, to the bi-directional bus, the transmit signal formed by the transmit signal formation unit. In addition, there are also disclosed a transmitting method, a receiving method, and a communication method which can be applied to such a bi-directional bus system.

    5.
    发明专利
    未知

    公开(公告)号：DE69417593D1

    公开(公告)日：1999-05-12

    申请号：DE69417593

    申请日：1994-01-06

    Applicant: SONY CORP

    Inventor： KOTABE NORIKO ,  OSAKABE YOSHIO ,  KUSAGAYA YASUO ,  TANAKA SHIGEO ,  KATSUYAMA AKIRA ,  YAMAZAKI HIROSHI ,  SUGIYAMA KOUICHI ,  SATO MAKOTO

    IPC: G11B20/00 ,  G11B31/00 ,  G11B27/00 ,  G11B27/024 ,  G11B27/028 ,  G11B33/06 ,  H04B1/20 ,  H04N5/765

    Abstract: A method of controlling signal lines among a number of audio/video units in a system where a central unit including a selector and the other audio/video units are mutually connected via a single control bus and also via audio/video signal cables includes the steps of enabling the central unit to manage identification numbers of the audio/video units on the control bus and also connection data among the audio/video units, classifying the audio/video units in accordance with the respective categories, connecting the signal line between one of the audio/video units and another one of the units, enabling one audio/video units to designate by category the other audio/video unit to be connected and, after such designation, enabling the central unit to select the specific audio/video unit that satisfies the requirement, out of all of the audio/video units of the designated category, and then switching the selector of the central unit thereby connecting the desired signal line between the relevant audio/video units.

    6.
    发明专利
    未知

    公开(公告)号：DE69417080D1

    公开(公告)日：1999-04-22

    申请号：DE69417080

    申请日：1994-01-05

    Applicant: SONY CORP

    Inventor： SATO MAKOTO ,  YAMAZAKI HIROSHI ,  KOTABE NORIKO ,  OSAKABE YOSHIO ,  KUSAGAYA YASUO ,  TANAKA SHIGEO ,  SUGIYAMA KOUICHI ,  KATSUYAMA AKIRA

    IPC: G11B27/028 ,  G11B27/34 ,  G11B27/36 ,  H04B1/20 ,  H04L12/28 ,  H04N5/765 ,  H04N5/775

    Abstract: A remote control method for an audio/visual system which can perform protection during execution of a system feature and is convenient in use is disclosed. The remote control method is applied to an audio/visual system wherein each of a plurality of audio/visual equipments includes a microcomputer for controlling operation of the audio/visual equipment. The microcomputers of the audio/visual equipments are connected to each other by way of a bus system. One of the audio/visual equipments is set as an audio/visual center equipment. The audio/visual center equipment controls the entire system in a concentrated manner. The audio/visual center equipment receives remote control signals in a concentrated manner without causing remote controller receiver sections of the audio/visual equipments other than the audio/visual center equipment to function and transfers necessary commands to the audio/visual equipments. Also novel system feature starting method and controlling method for an audio/visual system of the type mentioned are disclosed.

    8.
    发明专利
    未知

    公开(公告)号：AT167316T

    公开(公告)日：1998-06-15

    申请号：AT93310419

    申请日：1993-12-22

    Applicant: SONY CORP

    Inventor： TANAKA SHIGEO ,  YAMAZAKI HIROSHI ,  KOTABE NORIKO ,  SUGIYAMA KOUICHI ,  SATO MAKOTO ,  KATSUYAMA AKIRA ,  OSAKABE YOSHIO ,  KUSAGAYA YASUO

    IPC: G06F13/42 ,  H04B1/20

    Abstract: An audio visual control apparatus for communication between a master device and a slave device comprises a master AV center, at least one slave device, a digital control bus line and a transmitter. The master AV center has at least a display device and a communication processor. A minimum of one slave device is provided, having a communication processor connected to the master AV center via the digital control bus line between the two communication processors. The transmitter transmits one command and/or data in a single packet from the master AV center to the slave device and vice versa through the digital control bus line.

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