KR100698328B1 - The display device for having the function of bookmarking and method for controlling the same - Google Patents

Abstract

The present invention is a bookmark function that can still utilize the bookmark function and chapter skip function even if the recording function is set to the bookmark function is stored on the D-VHS support device, and then played back through the video device again. The present invention relates to a video device provided and a control method thereof. The present invention provides a video device capable of transmitting and receiving data with a D-VHS supporting apparatus, comprising: a memory unit for storing recordings in which bookmark information is indexed, and a recording stored in the memory unit in an IEEE-1394 data stream. And a microcomputer for allocating bookmark bits to the IEEE-1394 data stream in response to the bookmark information stored in the memory unit. It provides a video device with a bookmark function. Therefore, according to the present invention, the bookmark function and the chapter skip function of the recording data transmitted from the D-VHS support device as well as the video device supporting the bookmark function can be used, which is very convenient for the user.

Video devices, bookmarks, chapter skips, D-VHS

Description

Image device with bookmark function and control method thereof {The display device for having the function of bookmarking and method for controlling the same}

1 is a diagram illustrating an embodiment of a general bookmark function;

2 is a block diagram showing a video device having a bookmark function according to the present invention;

3 is a view showing a data stream of a recording of a video device having a bookmark function according to the present invention;

4 is a flowchart (flow chart) showing a control method of an image device having a bookmark function according to the present invention;

Fig. 5 is a flowchart (flow chart) showing another control method of an image device having a book mark function according to the present invention.

6 is a diagram illustrating an embodiment of a video device having a book mark function according to the present invention;

7 is a flowchart (flow chart) showing yet another control method for an imaging apparatus with a book mark function according to the present invention;

* Explanation of symbols for main parts of drawings *

201: video device 202: tuner

203: VSB / QAM demodulator 204: Demultiplexer

205: MPEG decoder 206: Video processor

207: display unit 208: memory unit

209: IEEE-1394 control unit 210: microcomputer

211: D-VHS support device

The present invention relates to a video device, and more particularly, to a video device having a bookmark function and a control method thereof.

In recent years, with the rapid development of video equipment, video equipment having a data storage function and a bookmark function are rapidly spreading beyond a function of simply receiving and outputting a broadcast signal.

For example, a personal video recorder (PVR) is a personal recording and playback device, and has a built-in mass storage device (e.g., a hard disk drive, etc.) for storing a video program, and a PVR having a mass storage device has a recording location. Quick access to, so you can use the bookmark (Bookmark) function to find and play the location of the scene you want.

1 is a diagram illustrating an embodiment of a general bookmark function. Hereinafter, an embodiment of a general bookmark function will be described with reference to FIG. 1.

As illustrated in FIG. 1, a user may input a signal for setting a bookmark function at a specific time while recording a specific broadcast program or playing a recorded program. Alternatively, a signal may be input so that the bookmark function is automatically set when the scene is changed.

In addition, while reproducing the recording in which the bookmark function is set, the user may play the recording from the screen in which the bookmark function is set.

However, the above-described conventional video device has the following problems.

When the recording is stored in the video device and the bookmark function is set to the D-VHS supporting apparatus, the recording is transmitted in the form of an IEEE-1394 data stream, but bookmark information cannot be loaded.

Therefore, even if the recording is originally set bookmark function, the bookmark function or chapter skip function is not available at all when it is transmitted to the D-VHS support device and displayed again, which is very inconvenient for the user.

Of course, it is also possible to use a bookmark function, etc. without moving the recordings stored in the hard disk drive of the video device to another storage device, but the capacity of the hard disk drive is limited, and to store in various storage devices There was a problem that can not satisfy the needs of various users, such as the purpose.

The present invention is to solve the above problems, an object of the present invention is to save the recordings stored in the video device in the D-VHS support device, even when playing again by enabling the bookmark function or chapter skip function, The present invention provides a video device having a bookmark function and a control method thereof that can solve a limited hard disk drive problem of the video device and satisfy various needs of a user.

In order to achieve the above object, the present invention provides a video device capable of transmitting and receiving data with a D-VHS support device, the memory unit for storing the recordings indexed bookmark information, and stored in the memory unit An IEEE-1394 controller for transmitting the recording to the D-VHS supporting apparatus in the form of an IEEE-1394 data stream, and a microcomputer for allocating bookmark bits to the IEEE-1394 data stream in response to the bookmark information stored in the memory unit. It provides a video device having a bookmark function, characterized in that configured to.

Preferably, the bookmark bit is allocated to a reserved field in a header portion of the IEEE-1394 data stream.

In response to the bookmark information stored in the memory unit, allocating a bookmark bit to the IEEE-1394 data stream sets the bookmark bit of the IEEE-1394 data stream to a specific value when the bookmark information stored in the memory unit is detected. It is desirable to.

In order to achieve the above object, the present invention provides a method of controlling a video device capable of transmitting and receiving data with a D-VHS supporting apparatus, the recording of which bookmark information is indexed on a hard disk drive (HDD) of the video device. Storing, converting recordings stored in the hard disk drive into an IEEE-1394 data stream, and assigning bookmark bits to the IEEE-1394 data stream in response to bookmark information stored in the hard disk drive. And transmitting the IEEE-1394 data stream to which the bookmark bit is allocated to the D-VHS supporting apparatus.

Preferably, the bookmark bit is allocated to a reserved field in a header portion of the IEEE-1394 data stream.

In response to the bookmark information stored in the hard disk drive, allocating a bookmark bit to the IEEE-1394 data stream may include specifying a bookmark bit of the IEEE-1394 data stream when the bookmark information stored in the hard disk drive is detected. It is preferable to set the value.

The method of controlling an image device having a bookmark function includes retransmitting an IEEE-1394 data stream to which a bookmark bit is allocated and a signal related to a bookmark display command transmitted to the D-VHS supporting device. And receiving the signal, and displaying the image information of the screen on which the bookmark bit is set to a specific value when the signal is applied.

The control method of the video device having the bookmark function includes the steps of the video device retransmitting the IEEE-1394 data stream to which the bookmark bit is allocated, transmitted to the D-VHS support device, and sequentially receiving the retransmitted data stream. Preferably, the method further comprises the step of displaying the signal, receiving a signal related to a chapter skip command, and displaying the starting point of the bookmark bit set to a specific value when the signal is applied. .

When the signal is applied, displaying the bookmark bit set to a specific value starting from the screen is located closest to the sequential direction from the time point at which the signal is applied, and displaying the bookmark bit set to the specific value starting from the screen. .

Therefore, according to the present invention, the bookmark function and the chapter skip function of the recording data transmitted from the D-VHS support device as well as the video device supporting the bookmark function can be used, which is very convenient for the user.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described.

2 is a block diagram illustrating a video device having a bookmark function according to the present invention. Referring to Figure 2, the signal flow between the components of the video device having a bookmark function according to the present invention will be described.

As shown in FIG. 2, the main components of the present invention are illustrated, and the basic components and signal flows for receiving and displaying broadcast signals from the video apparatus are omitted. However, even though the illustration and detailed description of the basic components are omitted, those skilled in the art can understand the image device having a bookmark function and the control method thereof through FIG.

The imaging device 201 is a device in which the present invention is implemented and includes components to be described later. However, the video device 201 is not particularly limited, but may preferably be a television, a PVR (Personal Video Recorder), or the like capable of transmitting and receiving data with a D-VHS supporting device.

However, the term "D-VHS" herein means a standard specification of a digital VCR. In addition, although the magnetic tape having the same appearance as the existing VHS standard is used, the storage capacity of 50GB is about 11 times that of DVD and 70 times that of CD. D-VHS-enabled devices can record not only analog television programs, but also digital satellite broadcasts.

In general, a signal flow for receiving a broadcast signal from a video device such as a PVR and transmitting it to a D-VHS supporting apparatus will be briefly described as follows.

As shown in FIG. 2, the DTV / TV signal is input to the VSB / QAM demodulator 203 through the tuner 202.

The transport stream output through the VSB / QAM demodulator 203 is input to the demultiplexer 204.

Here, the VSB is an abbreviation of Vestigial SideBand, which means one of the sideband transmission scheme, and the QAM is an abbreviation of Quadrature Amplitude Modulation, which is one of the multi-level modulation scheme, which is a kind of digital modulation scheme.

The transport stream input to the demultiplexer 204 may be demultiplexed into audio and video packets, stored in the memory 208, or transferred to an MPEG decoder 205.

However, the memory unit 208 may be a hard disk drive existing in the imaging device 201.

The demultiplexed video packet delivered to the MPEG decoder 205 may be output to the screen via the video processor 206 and the display unit 207. Of course, the demultiplexed audio packet may be output through an audio processor (not shown) and a speaker (not shown).

Meanwhile, the recording stored in the memory unit 208 may be transmitted to the D-VHS supporting apparatus 211 through the IEEE-1394 controller 209 under the control of the microcomputer 210. Alternatively, the program currently being broadcast may be stored in the memory unit 208 and simultaneously transmitted to the D-VHS support device 211.

Here, the IEEE-1394 means a standard of a new serial interface standardized by the Institute of Electrical and Electronics Engineers (IEEE).

According to the present invention, a signal flow for transmitting a recorded product stored in a video device such as a PVR to a D-VHS supporting apparatus will be described in detail as follows.

In the recording stored in the memory unit 208, bookmark information may be indexed. For example, as illustrated in FIG. 1, a plurality of bookmark information may be indexed in one recording. However, a method for indexing bookmark information in a recording stored in the memory unit 208 of the video device 201 may be easily understood by those skilled in the art, and a description thereof will be omitted.

In addition, the IEEE-1394 control unit 209 has a special request signal or the memory unit 208 when the video device 201 and the D-VHS support device 211 are connected through an IEEE-1394 interface. ) Is transferred to the D-VHS support device 211. However, it will be transmitted in the form of IEEE-1394 data stream. The data stream form will be described later in detail with reference to FIG. 3.

In addition, the microcomputer 210 controls the memory unit 208 and the IEEE-1394 control unit 209 to correspond to bookmark information stored in the memory unit 208 to transmit the IEEE-1394 data stream. You can assign bookmark bits. This will be described later in detail with reference to FIG. 3.

3 is a diagram illustrating a data stream of a recording of a video device having a bookmark function according to the present invention. Referring to Figure 3, the data stream of the recording data transmitted from the video device having a bookmark function according to the present invention to the D-VHS support apparatus will be described.

As shown in FIG. 3, the data stream of IEC 61883-4 includes an Iso header, a CIP header, an SP header, and an MPEG2-TSP.

However, the IEC 61883-4 refers to the D-VHS Tape Device Data Packet standard among the IEEE-1394 standards. That is, the data stream output through the IEEE-1394 controller and transmitted to the D-VHS support device is in the form of the IEC 61883-4 data stream shown in FIG. 3.

In addition, the CIP header is configured as shown in the lower part of FIG. 3, and the microcomputer can allocate a reserved field (rsv) as a bookmark field among the CIP headers. More preferably, in consideration of efficiency and the like, one bit among the two bits of the reserved field may be used as the bookmark field.

That is, when the bookmark information stored in the memory unit is detected, the microcomputer sets the bookmark bit (assigned to the reserved field) of the IEEE-1394 data stream (or IEC 61883-4 data stream) to a specific value. Can be. However, the range of rights is not limited to the above specific value, and for example, "1" may be set as the specific value.

4 is a flowchart (flow chart) illustrating a method of controlling a video device having a bookmark function according to the present invention. Referring to FIG. 4, a control method of a video device having a bookmark function according to the present invention will be described.

In operation S401, a recording data having bookmark information indexed may be stored in a hard disk drive of a video device capable of transmitting and receiving data with a D-VHS supporting device.

The recording stored in the hard disk drive may be converted into an IEEE-1394 data stream (S402).

In response to the bookmark information stored in the hard disk drive, a bookmark bit may be allocated to the IEEE-1394 data stream (S403). Here, the bookmark bit may be allocated to a reserved field of the header portion of the IEEE-1394 data stream, and in particular, one bit of the reserved field may be used. However, the detailed description thereof has been described above with reference to FIGS. 3 and 3.

In operation S403, when bookmark information stored in the hard disk drive is detected, it is preferable to set a bookmark bit of the IEEE-1394 data stream to a specific value. However, the range of rights is not limited to the above specific value, and for example, "1" may be set as the specific value.

The IEEE-1394 data stream to which the bookmark bit is allocated may be transmitted to the D-VHS supporting device (S404).

In operation S405, it is determined whether the IEEE-1394 data stream to which the bookmark bit is allocated is transmitted to the D-VHS support apparatus.

As a result of the determination (S405), the case of retransmission will be described later with reference to FIGS. 5, 6 and 7. FIG.

5 is a flowchart (flow chart) showing another control method of an image device having a book mark function according to the present invention. Referring to Figure 5, the implementation method of the present invention according to the bookmark display command is as follows.

As a result of the determination of FIG. 4 (S405), when retransmitted, it is determined whether a signal related to a bookmark display command is input (S501).

As a result of the determination (S501), when a signal related to a bookmark display command is input, image information of a screen on which a bookmark bit set as a specific value is located may be displayed (S502). The displayed screen is illustrated in FIG.

That is, as shown in FIG. 6, the title of the recorded program, the running time, the location of the point where the bookmark function is set, and the capture screen can be displayed simultaneously. Of course, the capture screen means image information of the screen on which the bookmark bit set to the specific value is located.

7 is a flowchart (flow chart) showing yet another control method of an image device having a book mark function according to the present invention. Referring to FIG. 7, the implementation method of the present invention according to the chapter skip command will be described below.

As a result of the determination of FIG. 4 (S405), when retransmitted, as illustrated in FIG. 7, the retransmitted data stream may be sequentially displayed (S701). In general, the re-transmitted data stream may be sequentially displayed by pressing a play button, a play button, or the like of a video device.

In operation S701, it is determined whether a signal relating to a chapter skip command is input (S702).

As a result of the determination (S702), when a signal relating to the chapter skip command is input, the display may be displayed from the screen where the bookmark bit set to a specific value is located (S703). More preferably, when the set bookmark bits are plural, the screen may be displayed starting from a screen in which the bookmark bits set closest in a sequential direction from the time point at which the signal is input and set to a specific value are located.

For example, as shown in FIG. 6, when a user watches a 50-minute "Immortal Yi" from the beginning and inputs a signal about a chapter skip command between 0 and 10 minutes, the user is located at 10 minutes. It will display from the screen first, and if you enter a signal for a chapter skip command between 10 and 39 minutes, it will display from the screen located at 39 minutes.

The present invention is not limited to the above-described embodiments, and can be modified by those skilled in the art as can be seen from the appended claims, and such variations are within the scope of the present invention. .

Referring to the effects of the video device having a bookmark function and the control method according to the present invention described above are as follows.

According to the present invention, the bookmark function and the chapter skip function can still be utilized even after the recording function of the bookmark function is stored in the D-VHS supporting device and played back through the video device. There is an effect that can be improved.

Claims (9)

In the video device capable of transmitting and receiving data with the D-VHS support device, A memory unit for storing recordings in which bookmark information is indexed; An IEEE-1394 controller which converts the recording stored in the memory unit into an IEEE-1394 data stream form to which a bookmark bit is assigned and transmits the recording to the D-VHS supporting apparatus; And And a microcomputer to control the memory unit and the IEEE-1394 control unit to allocate bookmark bits corresponding to the bookmark information stored in the memory unit to the IEEE-1394 data stream. device. The method of claim 1, The bookmark bit, A video apparatus having a bookmark function, which is allocated to a reserved field among header portions of the IEEE-1394 data stream. The method of claim 1, In response to the bookmark information stored in the memory unit, allocating a bookmark bit to the IEEE-1394 data stream, And when the bookmark information stored in the memory unit is detected, the bookmark bit of the IEEE-1394 data stream is set to a specific value. In the control method of the video device capable of transmitting and receiving data with the D-VHS support device, Storing recordings indexed with bookmark information in a hard disk drive (HDD) of the video device; Converting the recording stored in the hard disk drive into an IEEE-1394 data stream; Allocating bookmark bits to the IEEE-1394 data stream corresponding to bookmark information stored in the hard disk drive; And And transmitting the IEEE-1394 data stream to which the bookmark bit is allocated to a D-VHS supporting device. The method of claim 4, wherein The bookmark bit, A control method for a video device with a bookmark function, characterized in that the header portion of the IEEE-1394 data stream is allocated to a reserved field. The method of claim 4, wherein In response to the bookmark information stored in the hard disk drive, allocating a bookmark bit to the IEEE-1394 data stream, And if the bookmark information stored in the hard disk drive is detected, setting the bookmark bit of the IEEE-1394 data stream to a specific value. The method of claim 6, (a) re-transmitting, by the video device, an IEEE-1394 data stream to which a bookmark bit is allocated, which is transmitted to the D-VHS supporting apparatus; (b) receiving a signal regarding a bookmark display command; And and (c) displaying the image information of the screen on which the bookmark bit is set to a specific value when the signal is applied. The method of claim 6, (a) re-transmitting, by the video device, an IEEE-1394 data stream to which a bookmark bit is allocated, which is transmitted to the D-VHS supporting apparatus; (b) sequentially displaying the retransmitted data streams; (c) receiving a signal relating to a chapter skip command; And (d) when the signal is applied, further comprising the step of displaying from the screen on which the bookmark bit set to a specific value is located. The method of claim 8, In step (d), And a bookmark function, which is closest to the sequential direction from the time point at which the signal is applied and displays a bookmark bit set to a specific value.

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