SYSTEM CONTROL METHOD AND SYSTEM CONTROL APPARATUS
First Claim
1. A control system comprising:
- a plurality of peripheral devices represented as objects; and
a controller connectable to said plurality of peripheral devices via a common communication line for unitarily controlling said plurality of peripheral devices, said controller being arranged to be connected to an arbitrary number of peripheral devices selected from among said plurality of peripheral devices, read control information stored in the arbitrary number of peripheral devices via the communication line into a predetermined memory area of said controller in a predetermined format so that said controller can control said arbitrary number of peripheral devices, said controller being also arranged to issue a command and transmit the command to each of the arbitrary number of peripheral devices via the communication line.
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Abstract
A control system comprises a plurality of peripheral devices represented as objects, and a controller connectable to the plurality of peripheral devices via a common communication line for unitarily controlling the plurality of peripheral devices. The controller is arranged to be connected to an arbitrary number of peripheral devices selected from among the plurality of peripheral devices, read control information stored in the arbitrary number of peripheral devices via the communication line into a predetermined memory area of the controller in a predetermined format so that the controller can control the arbitrary number of peripheral devices. The controller is also arranged to issue a command and transmit the command to each of the arbitrary number of peripheral devices via the communication line.
37 Citations
46 Claims
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1. A control system comprising:
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a plurality of peripheral devices represented as objects; and
a controller connectable to said plurality of peripheral devices via a common communication line for unitarily controlling said plurality of peripheral devices, said controller being arranged to be connected to an arbitrary number of peripheral devices selected from among said plurality of peripheral devices, read control information stored in the arbitrary number of peripheral devices via the communication line into a predetermined memory area of said controller in a predetermined format so that said controller can control said arbitrary number of peripheral devices, said controller being also arranged to issue a command and transmit the command to each of the arbitrary number of peripheral devices via the communication line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29)
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16. A system control apparatus comprising:
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a plurality of peripheral devices represented as objects; and
a controller for unitarily controlling said plurality of peripheral devices via a common communication line, said controller and said plurality of peripheral devices each including a bi-directional interface for bi-directionally communicating data over the communication line, object data about control of a function of each of said plurality of peripheral devices being stored in a respective one of said plurality of peripheral devices in advance, said controller loading, when connected to an arbitrary peripheral device selected from among said plurality of peripheral devices, the object data from the arbitrary peripheral device to form an object corresponding to the arbitrary peripheral device and also to display under control of said controller a manipulation picture for manipulating the arbitrary peripheral device on the basis of the object data, said controller outputting an instruction to the communication line via the object in accordance with a manipulation based on the manipulation picture displayed on said controller, and controlling the arbitrary peripheral device.
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26. A control system comprising:
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a plurality of multimedia devices; and
a control device for controlling said plurality of multimedia devices, said plurality of multimedia devices and said control device being connected to a network in such a manner that said plurality of multimedia devices and said control device can communicate a message and data based on an object-oriented technique between each of said plurality of multimedia devices and said control device via the network, said control device including display means for displaying icons representative of said respective plurality of multimedia devices, and pointing means for forming a link between arbitrary multimedia devices selected from among said plurality of multimedia devices to specify a data input and output relationship between the arbitrary multimedia devices.
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28. A system control apparatus comprising:
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a plurality of multimedia devices; and
a control device for controlling said plurality of multimedia devices, said plurality of multimedia devices and said control device being connected to a network in such a manner that said plurality of multimedia devices and said control device can communicate a message and data based on an object-oriented technique between each of said plurality of multimedia devices and said control device via the network, said control device for controlling said plurality of peripheral devices including data input and output relationship specifying means and data format acceptability determining means, the data format acceptability determining means being arranged to determine, when a data input and output relationship is specified between arbitrary multimedia devices selected from among said plurality of multimedia devices, whether there is a data format acceptable to the selected, arbitrary multimedia devices.
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30. A multimedia device which constitutes part of a system including a plurality of multimedia devices and a control device for controlling said plurality of multimedia devices, the plurality of multimedia devices and the control device being connected to a network in such a manner that the plurality of multimedia devices and the control device can communicate a message and data based on an object-oriented technique between each of the plurality of multimedia devices and the control device via the network, said multimedia device comprising:
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answer means for answering an inquiry about a file format which can be inputted or outputted, the inquiry being transmitted from the control device; and
means for informing, if a plurality of data formats can be inputted or outputted, the control device of an order of priorities of the plurality of data formats.
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31. A system control apparatus for controlling a plurality of multimedia devices in a system which includes the plurality of multimedia devices and a control device for controlling the plurality of multimedia devices, the plurality of multimedia devices and the control device being connected to a network in such a manner that the plurality of multimedia devices and the control device can communicate a message and data based on an object-oriented technique between each of the plurality of multimedia devices and the control device via the network, said system control apparatus comprising:
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means for introducing data in which a class based on an object-oriented technique is described, from an external part; and
means for generating an object from the class based on the object-oriented technique.
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32. A data recording apparatus suitable for use in a system in which a plurality of devices can communicate data to each other via a network, comprising:
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storage means for temporarily storing information contained in a header part of time-series data if the time-series data is transmitted in real time when a data recording mode is not active; and
recording means for reading, if the data recording mode becomes active, the header part from said storage means, locating the header part at a leading end of the time-series data and recording the header part as well as the time-series data on a recording medium.
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33. A control apparatus suitable for use in a system in which a plurality of devices can communicate data to each other via a network, comprising:
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decision means for determining whether a program data has been received via the network; and
activating means for automatically activating a program based on the program data if said decision means determines that the program data has been received. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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34. A multimedia control system comprising:
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multimedia devices; and
a multimedia controller for unitarily managing said multimedia devices, said multimedia devices and said multimedia controller being connected to each other via a communication line, said multimedia devices each including a first interface control unit which functions to supervise communication with said multimedia controller, the first interface control unit including an interface controller for controlling communication at a physical or logical low level and a first system controller for executing communication with a device function unit of each of said multimedia devices and control of the interface control unit, said multimedia controller including a second interface control unit for controlling communication with each of said multimedia devices, the second interface control unit including;
an interface controller for controlling communication at a physical or logical low level;
device connection/disconnection signal processing means for processing a device connection signal indicative of a connection of any of said multimedia devices which connection is detected by the interface controller or a device disconnection signal indicative of a disconnection of any of said multimedia devices which disconnection is detected by the interface controller;
storage means for storing a device connection management table which is to be referred to and updated in the device connection/disconnection signal processing means; and
a second system controller for executing communication with a controller function unit of said multimedia controller and the second interface control unit.
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Specification