Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
1998-08-24
2001-12-25
Bayerl, Raymond J. (Department: 2173)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C345S215000, C345S215000, C707S793000, C709S203000, C709S217000
Reexamination Certificate
active
06333739
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a display apparatus, a method and a computer readable program storage medium therefor, and more particularly to technology of communication with a digital interface.
2. Related Background Art
There has recently been developed a communication system in which a personal computer (PC) is connected with a digital video camera (DVC) through a digital interface and the image taken with the digital video camera is supplied to the personal computer in the form of digital signals and is freely edited on the personal computer.
Among the digital interface technologies usable for constituting such communication system, there is known the IEEE Standard for a High Performance Serial Bus (hereinafter called IEEE 1394 standard).
As an example, in case of connecting the PC with plural DVC's with a digital interface based on the IEEE 1394 standard and editing the image taken in and fetched from each DVC, it is desirable to indicate that the source DVC of the taken image.
Particularly in a system capable of automatically recognizing the connection status of the component devices, such as the communication system based on the IEEE 1394 standard, it is desirable to indicate whether such DVC is still connected to the system.
However, in the communication system based on the IEEE 1394 standard, there has not been proposed a specific method for realizing such functions. In particular, in case of a change in the connection status of the communication system, there has not been proposed a method of displaying whether each device is still connected to the system, without changing the display position of display information (for example icon) of each device.
SUMMARY OF THE INVENTION
An object of the present invention is to solve the above described drawbacks.
Another object of the present invention is to provide a display apparatus capable of effecting control so as to display whether each device is still connected to the system without changing the display position of the display information of each device, in case of a change in the connection status of plural devices, thereby improving the operability of the user.
As a preferred embodiment for such objects, there is disclosed a display apparatus connectable to a system capable of automatically recognizing the connection status of plural devices, the display apparatus comprising:
display means for displaying at least one of display information respectively representing the plural devices; and
control means for controlling the display position of the display information based on ID information specific to each of the plural devices.
As another embodiment, there is disclosed a display apparatus, comprising:
display means including a first display area for displaying at least one of display information respectively representing plural devices and a second display area for displaying an image signal isochronous transferred from at least one of the plural devices; and
control means for effecting control so as not to change the display position of the first display area even in case of a change in the connection status of the plural devices.
As still another embodiment, there is disclosed a display apparatus connectable to a system capable of automatically recognizing the connection status of plural devices, the display apparatus comprising:
display means for displaying, in at least a display area, the image information respectively transmitted from the plural devices; and
control means for effecting control so as not to change the display position of the display area in case of a change in the connection status of the plural devices. Still another object of the present invention is to provide a display method capable of effecting control so as to display whether each device is still connected to the system without changing the display position of the display information of each device, in case of a change in the connection status of plural devices, thereby improving the operability of the user.
As a preferred embodiment for such object, there is disclosed a display method for use in an apparatus connectable to a system capable of automatically recognizing the connection status of plural devices, the method comprising steps of:
displaying display information respectively representing the plural devices; and
controlling the display position of the display information based on ID information specific to each of the plural devices.
As another embodiment, there is disclosed a display method comprising steps of:
displaying at least one of display information respectively representing plural devices in a first display area;
displaying an image signal isochronous transferred from at least one of the plural devices in a second display area; and
effecting control so as not to change the first display area even in case of a change in the connection status of the plural devices.
As still another embodiment, there is disclosed a display method for use in an apparatus connectable to a system capable of automatically recognizing the connection status of plural devices, the method comprising steps of:
displaying, in at least a display area, the image information transmitted from at least one of the plural devices; and
effecting control so as not to change the display position of the display area in case of a change in the connection status of the plural devices.
Still another object of the present invention is to provide a computer readable program storage medium, the program being capable of effecting control so as to display whether each device is still connected to the system without changing the display position of the display information of each device, in case of a change in the connection status of plural devices, thereby improving the operability of the user.
As a preferred embodiment for such object, there is disclosed a computer readable program storage medium, storing a program of a display method for use in an apparatus connectable to a system capable of automatically recognizing the connection status of plural devices, the program comprising steps of:
displaying display information respectively representing the plural devices; and
controlling the display position of the display information based on ID information specific to each of the plural devices.
As another embodiment, there is disclosed a computer readable program storage medium, storing a program of a display method comprising steps of:
displaying at least one of display information respectively representing plural devices in a first display area;
displaying an image signal isochronous transferred from at least one of the plural devices in a second display area; and
effecting control so as not to change the first display area even in case of a change in the connection status of the plural devices.
As still another embodiment, there is disclosed a computer readable program storage medium storing a program of a display method for use in an apparatus connectable to a system capable of automatically recognizing the connection status of plural devices, the program comprising steps of:
displaying, in at least a display area, the image information transmitted from at least one of the plural devices; and
effecting control so as not to change the display position of the display area in case of a change in the connection status of the plural devices.
Still other objects of the present invention, and the features thereof, will become fully apparent from the following detailed description of the embodiments.
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Hatae Shinichi
Koyama Shinichi
Bayerl Raymond J.
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Joseph Thomas J
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