System control method and system control apparatus

• US 20060070080A1
• Filed: 10/24/2005
• Published: 03/30/2006
• Est. Priority Date: 07/30/1993
• Status: Active Grant

• Current Assignee: Akira Mamiya, Akira Suga, Fumiaki Takahashi, Hideaki Kawamura, Kenji Hatori, Takashi Aizawa
• Original Assignee: Akira Mamiya, Akira Suga, Fumiaki Takahashi, Hideaki Kawamura, Kenji Hatori, Takashi Aizawa
• Inventors: Hatori, Kenji, Kawamura, Hideaki, Takahashi, Fumiaki, Aizawa, Takashi, Suga, Akira, Mamiya, Akira
• Granted Patent: US 7,530,024 B2
• Time in Patent Office: Days
• US Class Current: 719/315
• CPC Class Codes: G06F 13/10 Program control for peripheral devices G06F13/14 - G06F13/42 take precedence
• CPC Class Codes: G06F 3/0481 based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
• CPC Class Codes: G11B 27/002 Programmed access in sequence to a plurality of record carriers or indexed parts, e.g. tracks, thereof, e.g. for editing; transfer of record carriers from magazine G11B15/68, G11B17/10; G11B17/22
• CPC Class Codes: G11B 27/34 Indicating arrangements indicating means incorporated in magazine or cassette G11B23/046 and G11B23/0875; indicating measured values in general G01D
• CPC Class Codes: H04L 12/2803 Home automation networks
• CPC Class Codes: H04L 12/2809 indicating that an appliance service is present in a home automation network monitoring functionality H04L43/0817; discovery or management thereof, e.g. service location protocol [SLP] or web services, H04L67/51
• CPC Class Codes: H04L 12/281 indicating a format for calling an appliance service function in a home automation network for remote control or remote monitoring of applications H04L67/025
• CPC Class Codes: H04L 12/282 based on user interaction within the home receiver circuitry for displaying additional information being controlled by a remote control apparatus H04N21/42204
• CPC Class Codes: H04L 2012/2849 Audio/video appliances
• CPC Class Codes: H04L 41/08 Configuration management of networks or network elements address allocation H04L61/50
• CPC Class Codes: H04L 41/12 Discovery or management of network topologies
• CPC Class Codes: H04L 41/22 comprising specially adapted graphical user interfaces [GUI]
• CPC Class Codes: H04L 41/34 Signalling channels for network management communication
• CPC Class Codes: H04L 61/4541 Directories for service discovery
• CPC Class Codes: H04L 65/1059 End-user terminal functionalities specially adapted for real-time communication
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 67/00 Network arrangements or protocols for supporting network services or applications user-to-user messaging H04L51/00; network arrangements, protocols or services for supporting real-time applications in data packet communications networks H04L65/00
• CPC Class Codes: H04L 67/125 involving control of end-device applications over a network
• CPC Class Codes: H04L 67/75 Indicating network or usage conditions on the user display
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 : Network security protocols
• CPC Class Codes: H04N 21/4108 : characterised by an identification number or address, e.g. local network address protecting specific internal or external computer components using identification number G06F21/73; network arrangements, protocols or services for addressing or naming H04L61/00
• CPC Class Codes: H04N 21/4135 : external recorder interface circuits between an apparatus for recording television signals and a television receiver H04N5/775
• CPC Class Codes: H04N 21/42204 : User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor constructive details of casings for the remote control device H01H9/0235; user interfaces for controlling a tuning device of a television receiver through a remote control H03J9/00; remote control of peripheral devices connected to a television receiver through the remote control device of the television receiver H04B1/205
• CPC Class Codes: H04N 21/426 : Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04N 21/4312 : involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
• CPC Class Codes: H04N 21/4316 : for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
• CPC Class Codes: H04N 21/43632 : involving a wired protocol, e.g. IEEE 1394 high-speed IEEE 1394 serial bus H04L12/40052
• CPC Class Codes: H04N 21/44227 : Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network configuring of peripheral devices in general G06F9/4411; monitoring connectivity in data switched networks H04L43/0811
• CPC Class Codes: H04N 21/47 : End-user applications
• CPC Class Codes: H04N 21/47217 : for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks specific graphical features in visual interfaces H04N21/4312
• CPC Class Codes: H04N 21/482 : End-user interface for program selection broadcast systems using EPGs H04H60/72
• CPC Class Codes: H04N 21/485 : End-user interface for client configuration
• CPC Class Codes: H04N 21/4882 : for displaying messages, e.g. warnings, reminders arrangements for providing short real-time information to substation in data switching networks H04L12/1895
• CPC Class Codes: H04N 5/765 : Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/77 : between a recording apparatus and a television camera
• CPC Class Codes: H04N 5/772 : the recording apparatus and the television camera being placed in the same enclosure
• CPC Class Codes: H04N 5/775 : between a recording apparatus and a television receiver
• CPC Class Codes: H04N 5/781 : on disks or drums
• CPC Class Codes: H04N 5/782 : on tape
• CPC Class Codes: H04N 5/85 : on discs or drums
• CPC Class Codes: H04N 5/907 : using static stores, e.g. storage tubes or semiconductor memories H04N5/91 takes precedence
• CPC Class Codes: H04N 5/926 : by pulse code modulation H04N5/919 takes precedence

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.

Claims

1. A control system comprising:

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.

2. A control system according to claim 1, further comprising a user interface for displaying the link and the icons representative of said respective plurality of multimedia devices connected to the network, and display means for displaying said user interface.

3. A system control apparatus comprising:

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.

4. A system control apparatus according to claim 3, further comprising means for issuing, if the data format acceptability determining means determines that there is no data format acceptable to the selected, arbitrary multimedia devices, a message indicating that data communication is impossible because there is no data format acceptable to the selected, arbitrary multimedia devices.

5. 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:

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.

6. 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:

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.

7. 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:

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.

8. A multimedia control system comprising:

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.

9. A multimedia control system according to claim 8, wherein said multimedia controller includes a first timer circuit which starts its operation in synchronism with a power-on operation of said multimedia controller, connection confirmation message sending means for sending a connection confirmation message to each of said multimedia devices at regular intervals in accordance with an output of the first timer circuit, and means for updating the device connection management table on the basis of state information about said multimedia devices which is obtained from the device connection signal transmitted by each of said multimedia devices in response to the connection confirmation message signal.

10. A multimedia control system according to claim 9, wherein said multimedia controller further includes message re-sending means for re-sending the connection confirmation message to a multimedia device which, while said multimedia control system is confirming a connection status about said multimedia control system through the connection confirmation message sending means, does not retransmit any of the device connection signals corresponding to individual multimedia devices registered on the device connection management table, and means for erasing an area corresponding to the multimedia device from the device connection management table if no acknowledgment of the connection confirmation message re-sent from the message re-sending means is retransmitted from the multimedia device.

11. A multimedia control system according to claim 8, wherein each of said multimedia devices includes a second timer circuit which starts its operation in synchronism with a power-on operation of a respective one of said multimedia devices, and means for sending the device connection signal to said multimedia controller at regular intervals in accordance with an output of the second timer circuit, said multimedia controller includes means for updating the device connection management table on the basis of state information about said multimedia devices which is obtained from the device connection signal.

12. A multimedia control system according to claim 11, wherein said multimedia controller includes:

means arranged to set, on the device connection management table, counters corresponding to said respective multimedia devices on a one-to-one basis if said multimedia controller, while confirming a connection status about said multimedia control system on the basis of the device connection signals retransmitted from said respective multimedia devices, determines that a particular one of the device connection signals retransmitted from said respective multimedia devices to said multimedia controller is a signal retransmitted from a multimedia device which is not yet registered on the device connection management table, and

arranged to reset the counters which are already set on the device connection management table and correspond to said respective multimedia devices on a one-to-one basis, if said multimedia controller, while confirming the connection status about said multimedia control system on the basis of the device connection signals retransmitted from said respective multimedia devices, determines that the particular device connection signal is a signal retransmitted from a multimedia device which is already registered on the device connection management table;

means for independently incrementing the respective counters in synchronism with the output of the first timer circuit;

message re-sending means for re-sending the connection confirmation message at least once from said multimedia controller to each of said multimedia devices if the value of a respective one of the counters exceeds a predetermined threshold; and

means for erasing an area corresponding to a particular multimedia device from the device connection management table if no acknowledgment of the connection confirmation message re-sent from the message re-sending means is retransmitted from the particular multimedia device.

13. A multimedia control system according to claim 8, wherein each of said multimedia devices includes at least two network line connection terminals, line connection detecting circuits corresponding to the respective network line connection terminals on a one-to-one basis, and means for transmitting the device connection signal or the device disconnection signal to said multimedia controller if the means detects a variation in a state of connection or disconnection of an arbitrary one of said multimedia devices which variation is an output from the arbitrary one,

if a second multimedia device is connected to a first multimedia device from among said multimedia devices, the first multimedia device transmitting the device connection signal to said multimedia controller in accordance with an output of the line connection detecting circuit of the first multimedia device which corresponds to the network line connection terminal to which the second multimedia device is connected,

if the second multimedia device is disconnected from the first multimedia device, the first multimedia device transmitting the device disconnection signal to said multimedia controller in accordance with an output of the line connection detecting circuit of the first multimedia device which corresponds to the network line connection terminal from which the second multimedia device is disconnected,

said multimedia controller including means for receiving the device connection signal or the device disconnection signal and updating the device connection management table in the device connection/disconnection signal processing means.

14. A multimedia control system according to claim 13, wherein said multimedia controller includes message re-sending means for re-sending, when said multimedia controller receives the device disconnection signal, the connection confirmation message to a multimedia device which has transmitted the device disconnection signal, and means for erasing an area corresponding to the multimedia device from the device connection management table if no acknowledgment of the connection confirmation message re-sent from the message re-sending means is retransmitted from the multimedia device.

15. A multimedia control system according to claim 8, wherein a relay is provided between said multimedia controller and each of said multimedia devices, said relay including network line connection terminals for connection to said respective multimedia devices, line connection detecting circuits corresponding to the respective network line connection terminals on a one-to-one basis, means for transmitting the device connection signal or the device disconnection signal to said multimedia controller in accordance with an output of any of said line connection detecting circuits, an interface controller for controlling communication at a physical or logical low level, and control means for controlling all constituent elements of the relay, said multimedia controller including means for receiving the device disconnection signal or the device connection signal and updating the device connection management table.

16. A multimedia control system according to claim 15, wherein said means for receiving the device disconnection signal or the device connection signal and updating the device connection management table in said multimedia controller includes message re-sending means for re-sending the connection confirmation message to a multimedia device which has transmitted the device disconnection signal or the device connection signal, and means for erasing an area corresponding to the multimedia device from the device connection management table if no acknowledgment of the connection confirmation message re-sent from the message re-sending means is retransmitted from the multimedia device.

17. A multimedia control system according to claim 9 or 10, wherein each of said multimedia devices includes network line connection terminals, line connection detecting circuits corresponding to the respective network line connection terminals, and means for transmitting the device connection signal or the device disconnection signal to said multimedia controller when detecting a variation in a state of connection or disconnection of an arbitrary one of said multimedia devices which variation is an output from each of said line connection detecting circuits, said multimedia controller including means for receiving the device connection signal or the device disconnection signal and updating the device connection management table in said device connection/disconnection signal processing means.

18. A multimedia control system according to claim 17, wherein said multimedia devices, said multimedia controller and said relay respectively include line connection connector parts each having a switch to be turned on when a line cable is inserted thereinto, a mechanism for locking the line cable, and a manipulating member arranged to be capable of simultaneously releasing the locked line cable and turning off the switch, each of the line connection connector parts being arranged to transmit an output signal of the switch to a respective one of said line connection detecting circuits.

19. A multimedia control system according to claim 18, wherein said multimedia devices and said multimedia controller each include a first power source circuit for supplying electrical power to both of the first and second interface control units, and a second power source circuit for executing a power-on/off operation in accordance with a manipulation by a user of a main switch of a corresponding one of said multimedia devices and said multimedia controller or in accordance with a message sent from said multimedia controller.

20. A multimedia control system according to claim 19, wherein said multimedia controller includes means for assigning said respective multimedia devices unique identification names corresponding to said respective multimedia devices on a one-to-one basis at a time when said multimedia controller recognizes said multimedia devices connected to said multimedia control system by receiving the device connection signal or the device disconnection signal and updating the device connection management table, and means for informing the assigned identification names of the respective multimedia devices, each of said multimedia devices including a display device for displaying a respective one of the informed identification names.