Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Reexamination Certificate
1998-03-09
2001-08-21
Thai, Xuan M. (Department: 2781)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
C710S001000, C703S027000
Reexamination Certificate
active
06279061
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electronic equipment control apparatus and method, and particularly to an electronic equipment control apparatus and method which allow a first electronic apparatus to be controlled in the same manner as a second electronic apparatus that is of a different kind than the first electronic apparatus.
2. Description of the Related Art
Video signals are mainly recorded on magnetic tapes such as used in the analog video cassette recorder and the digital cassette recorder. In contrast, for recording of audio signals, disc-shaped recording media such as the mini-disc (MD) are marketed as well as cassette tapes. Since video signals have more information than audio signals, tapes, which are of relatively low cost, are used in consumer electronic equipment for recording of video signals.
However, in recent years the cost of the hard disk has been reduced considerably and it is now attempted to record a video signal on the hard disk.
However, various interfaces that have been developed so far for recording of video signals on a recording medium are in many cases intended for recording of video signals on a magnetic tape. Therefore, to record video signals on a hard disk, it is necessary to develop a special interface for such a purpose, which causes a problem of cost increase.
SUMMARY OF THE INVENTION
The present invention has been made in view of the above circumstances, and an object of the invention is therefore to make it possible to record a video signal on a hard disk easily at a low cost.
According to the invention, there is provided a data processing apparatus which receives and/or outputs data via first and second interfaces, comprising first control means for receiving and/or outputting data via the first interface, and for converting a format of data that is received via the first interface into a format suitable for output via a second interface; and second control means connected to the first control means, for receiving and/or outputting data via the second interface, and for converting a format of data that is received via the second interface into a format suitable for output via the first interface.
According to another aspect of the invention, there is provided a data transmission method in a data processing apparatus which receives and/or outputs data via first and second interfaces, comprising the steps of receiving data via the first interface or the second interface; converting a format of the received data into a format suitable for output via the second interface when the data was received via the first interface, and into a format suitable for output via the first interface when the data was received via the second interface; and outputting the converted data via the second interface when the data was received via the first interface, and via the first interface when the data was received via the second interface.
REFERENCES:
patent: 5208913 (1993-05-01), Yamamoto
patent: 5740384 (1998-04-01), Asthana et al.
patent: 6047340 (2000-04-01), Kase et al.
patent: 6061747 (2000-05-01), Ducaroir et al.
Aoki Yukihiko
Miura Takeshi
Suenaga Shinichi
Frommer William S.
Frommer & Lawrence & Haug LLP
Sony Corporation
Thai Xuan M.
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