Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
1995-06-06
2001-01-30
Nguyen, Huy (Department: 2715)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000
Reexamination Certificate
active
06181866
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a receiving apparatus and, more particularly, to a receiving apparatus for recording the received data onto a recording medium.
2. Related Background Art
Hitherto, for example, a facsimile apparatus has been known as a transmitting and receiving apparatus for recording the received data onto a recording medium such as, e.g., paper or the like.
In such a facsimile apparatus, the paper as a recording medium is fed at a constant speed, thereby enabling the recording head to always access the unrecorded portion of the paper.
On the other hand, for example, there is considered a receiving apparatus for recording the received data at an arbitrary position of a recording medium which can be accessed at random.
However, since such a receiving apparatus records the data at an arbitrary position of the recording medium, if the portion accessed by the recording means is unexpectedly the portion at which the data has already been recorded, the problem occurs that data may be written over previously recorded data.
In the apparatus such as a facsimile apparatus, memory means is provided and the data which has once been received is written on the memory medium and after completion of the writing of this data, it is recorded onto a recording medium.
For example, if a disk-shaped rotary medium is used as a recording medium, the recording medium needs to be set into the recordable state, namely, the rotary medium needs to be rotated at a constant speed. Therefore, there is a problem such that if the recording medium is driven in response to the completion of the storage of data into the memory means, a time lag occurs until the apparatus enters the actually recordable state.
On the other hand, in such a conventional facsimile apparatus, when the paper (as a recording medium onto which the received data is to be recorded) does not exist in the apparatus, a warning indicates that data cannot be received.
However, in the conventional facsimile apparatus, the amount of remaining unrecorded portion of the recording medium is not displayed. Therefore, when a large amount of data is transmitted, there is a problem such that it is impossible to know whether all of the data can be received and recorded or not. This problem occurs in not only the facsimile apparatus but also the receiving apparatus for receiving and recording the data onto the recording medium such as, e.g., the receiving apparatus for receiving and recording still image data onto a recording medium such as a magnetic sheet.
SUMMARY OF THE INVENTION
It is the first object of the present invention to provide a receiving apparatus which can solve each of or all of the foregoing problems.
Another object of the invention is to provide a receiving apparatus in which even when the portion of a recording medium at the access position of the recording means is the portion onto which the data has already been recorded, the received data can still be recorded onto the recording medium.
To accomplish these objects, according to a preferred embodiment of the invention, in a receiving apparatus for recording the received data onto a recording medium by recording means for accessing each portion of the recording medium, there is provided a receiving apparatus comprising: discriminating means for discriminating whether the portion accessed by the recording means is a recorded portion or an unrecorded portion upon reception; and control means for allowing the recording means to access the unrecorded portion on the basis of the result of the discrimination of the discriminating means, wherein upon reception, the recording means is controlled by the control means so as to automatically access the unrecorded portion.
Still another object of the invention is to provide a receiving apparatus which can promptly record the received data onto a recording medium upon completion of the reception of the data.
To accomplish this object, according to a preferred embodiment of the invention, in a receiving apparatus for recording the received data onto a recording medium, there is provided a receiving apparatus comprising: memory means for temporarily storing the received data before it is recorded onto the recording medium; driving means for driving the recording medium; and control means for making the driving means operative only a predetermined period of time before completion of the storage of the data into the memory means, wherein since the recording medium is driven only the predetermined period of time before completion of the storage of the data into the memory means, the data can be immediately recorded onto the recording medium in response to the completion of the storage of the data into the memory means.
Still another object of the invention is to provide a receiving apparatus in which upon reception of data, an amount of data which can be received is displayed so as to be easily known.
To accomplish this object, according to a preferred embodiment of the invention, in a receiving apparatus for recording the received data onto a recording medium, there is provided a receiving apparatus having display means for displaying an amount of the unrecorded portion of a recording medium which can be recorded upon reception of data, wherein the amount of the unrecorded portion of the recording medium which can be recorded is displayed by the display means upon reception of data by the receiving apparatus.
Still another object of the invention is to provide a reproducing apparatus in which the data recorded on a recording medium is read out and converted into an electric signal displayed as a visual data on a monitor, the data recorded is temporarily stored into memory means such as a semiconductor memory, and thereafter the data is read out of the memory means and can be preferably displayed on the monitor.
It is still another object of the invention to provide a reproducing apparatus for reproducing the data recorded on a recording medium, wherein it is possible to prevent the data from being erroneously rewritten in a memory into which the reproduced data is stored.
To accomplish this object, according to a preferred embodiment of the invention, there is provided a reproducing apparatus comprising: reproducing means whose access position on a recording medium changes and which reproduces data recorded on the recording medium; memory means for storing the data reproduced by the reproducing means; and control means having a first mode in which the data reproduced by the reproducing means is written into the memory means in accordance with the changed access position of the reproducing means and the second mode in which the writing of data into the memory means is inhibited even when the access position of the reproducing means was changed, wherein by enabling the switching between the first and second modes, it is prevented that the data stored in the memory means is carelessly rewritten.
The above and other objects and features of the present invention will become apparent from the following detailed description and the appended claims with reference to the accompanying drawings.
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Kimura Norio
Sakata Tsuguhide
Suzuki Yasutomo
Taguchi Tomishige
Takei Masahiro
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Nguyen Huy
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