JPH1186511A - Optical disk recording and reproducing device having noncontacting communication function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily search for an object disk by providing a power transmitting means and a noncontacting communication function and transmitting and receiv ing the data information recorded in the control circuit of a recording medium between the recording and reproducing device and the recording medium. SOLUTION: A control circuit is buried in an optical disk recording medium, data are recorded on the disk, power is transmitted to the circuit from a power transmitting section 15 and data information is recorded in the storage element in the circuit. If the recording medium having desired data is to be retrieved and a retrieving mode instruction is outputted from a personal computer 2, a CPU 11 of an optical disk recording and reproducing device 1 receives the instruction and transmits power to the circuit from the section 15 and a data transmitting and receiving section 14 transmits information request signals. If the optical disk is placed closer to the device 1 under this condition, the information related to the data is transmitted, received by the section 14, transmitted to the computer 2 and displayed on a CRT 3. Thus, by only placing the disk closer to the device 1, the desired optical disk recording medium is easily searched.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a function of communicating information relating to various data recorded on an optical disk recording medium in a non-contact manner, and displaying received information relating to various data recorded on the optical disk recording medium. The present invention relates to an optical disk recording / reproducing device having a function.

[0002]

2. Description of the Related Art In recent years, an optical disk recording medium having a large capacity and having a replaceable medium has been put to practical use as a storage medium for a computer. Larger DVD (Digital Video Di
Since sc) has been standardized, it has been put to practical use for recording of video and audio, and DVDs are spreading not only as storage media for computers but also as video players.

[0003]

However, what kind of information is recorded on the recorded optical disk recording medium is unknown unless the optical disk recording medium is set in a reproducing apparatus. When the amount of data increases, it takes time and effort to find an optical disk recording medium on which desired information is recorded.

An object of the present invention is to make it possible to display the contents of an optical disk recording medium by simply approaching it without setting the optical disk recording medium in a reproducing apparatus, thereby making it easier to find a target disk.

[0005]

According to the present invention, there is provided a communication means for transmitting or receiving information relating to various data recorded on an optical disk recording medium in a non-contact manner, Power transmitting means for transmitting power for operating a control circuit embedded in the optical disk or a cartridge incorporating the optical disk recording medium, and recording the optical disk received from the optical disk recording medium or the cartridge incorporating the optical disk recording medium Information display means for displaying information on various data recorded on the medium.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an optical disk recording / reproducing apparatus having a non-contact communication function according to the present invention will be described below with reference to the drawings.

FIG. 1 shows an example of a configuration for realizing a non-contact communication function in an optical disk recording / reproducing apparatus for a personal computer. FIG. 2 shows an example of the appearance of an optical disk recording / reproducing apparatus for a personal computer. FIG. 3 shows an example of a flow for recording on an optical disk recording medium. FIG. 4 shows an example of an operation flow for searching for an optical disk recording medium on which desired data is recorded. FIG. 5 shows an example of the configuration of a video player that records video and audio. FIG. 6 shows an example of the appearance of the video player. FIG. 7 shows an example of a flow in the case where video and audio are recorded on an optical disk recording medium by a video player. FIG. 8 shows an example of an operation flow for searching for an optical disk recording medium on which a program to be viewed has been recorded.

First, an example of a configuration for realizing a non-contact communication function in an optical disk recording / reproducing apparatus for a personal computer will be described with reference to FIGS. In FIG. 1, reference numeral 1 denotes an optical disc recording / reproducing apparatus having a non-contact communication function which is a feature of the present invention;
A personal computer, 3 a display, 11 a CPU for controlling various controls relating to the optical disk drive and communication of information relating to various data recorded on the optical disk recording medium,
12 is an optical disk drive for driving an optical disk recording medium for recording or reproducing various data, 13 is a communication interface for performing communication between the optical disk recording / reproducing device and a personal computer, and 14 is recording on the optical disk recording medium on the optical disk recording medium. A data transmission / reception unit, which is a communication means for transmitting or receiving the information on the various types of data in a non-contact manner; 15 is a power for operating a control circuit embedded in the optical disk recording medium or a cartridge containing the optical disk recording medium. Is a power transmitting unit that is a power transmitting unit that transmits the power. Reference numeral 4 in FIG. 2 denotes an optical disk recording medium having a non-contact communication function.

Next, an operation for realizing a non-contact communication function in an optical disk recording / reproducing apparatus for a personal computer will be described with reference to FIGS.

FIG. 3 shows an example of a flow for recording on an optical disk recording medium. First, the optical disk recording medium 4 is sent to the optical disk recording / reproducing device 1 built in the personal computer 2.
Is inserted (step 101), and various data are recorded on the optical disk recording medium 4 from the personal computer 2 side (step 10).
2). At this time, the optical disk recording medium 4 may be an integral type built in the cartridge. Further, there may be a configuration in which the optical disk recording / reproducing apparatus 1 is not built in the personal computer 2. After the recording is completed, the electric power for operating the control circuit embedded in the optical disk recording medium or the cartridge incorporating the optical disk recording medium is supplied to the power transmitting unit 15.
(Step 103), and the control circuit is brought into an operating state. Next, information such as the file name of personal computer data, the title of video data, recording date and time, etc.,
The data is transmitted (step 104), and is recorded in a storage element in a control circuit embedded in the optical disk recording medium or a cartridge containing the optical disk recording medium. When the transmission of the information is completed, the transmission of the power is also terminated (step 105).

Although a large number of optical disk recording media increase in this way, if this optical disk recording medium is put in a case and a memo or the like is attached, it is searched for on which optical disk recording medium the desired data is recorded. It is easy to do this, but if you have no notes,
If a large number of optical disc recording media such as 20 are put in one large case, it is necessary to insert each disc into the optical disc recording / reproducing apparatus to find out which optical disc recording media the desired data is recorded on. Need to find out
It will take time. Therefore, an operation of searching for an optical disk recording medium on which desired data is recorded in an optical disk recording / reproducing apparatus having a non-contact communication function, which is a feature of the present invention, will be described.

FIG. 4 shows an example of the operation flow at this time.
First, the search mode is set by operating the personal computer 2 (step 201). The search mode command is transmitted to the CPU 11 via the communication interface 13. CPU
When receiving the search mode command, the power transmission unit 15 starts transmission of power for operating the control circuit embedded in the optical disc recording medium or the cartridge incorporating the optical disc recording medium (step 202). Then, an information request signal is transmitted from the data transmission / reception unit 14 (step 203), and reception of information on various data is awaited (step 204).

In this state, when the optical disk recording medium 4 is brought closer to the optical disk recording / reproducing apparatus 1, the control circuit embedded in the optical disk recording medium 4 or the cartridge containing the optical disk recording medium starts operating, and the control circuit starts operating. The information about various data recorded in the storage element in is transmitted. The CPU 11 having received the information on the various data in the data transmitting / receiving unit 14 (step 205) sends the information on the various data to the personal computer 2 via the communication interface 13 (step 20).
6), the personal computer 2 that has received it displays it on the display 3 (step 207). In this way, by successively bringing the optical disk recording medium 4 close to the optical disk recording / reproducing apparatus 1 and confirming the contents, it is possible to easily search for the optical disk recording medium storing the desired data.

Next, an example of the configuration of a video player for recording or reproducing video and audio will be described with reference to FIGS.

FIG. 6 shows a disk 4 according to the present invention, FIG. 5 shows a video player incorporating an optical disk recording / reproducing apparatus having a non-contact communication function which is a feature of the present invention, and 6 shows a television. 5 is a CPU for controlling various controls relating to recording and reproduction of video and audio and communication of information relating to various data recorded on the optical disk recording medium; 52 is a tuner for receiving broadcast of video and audio; Is a video / audio compression / expansion unit that compresses and expands video and audio data, 54 is an optical disk drive that drives an optical disk recording medium for recording or reproducing various data, and 55 is an analog signal that converts video and audio data for TV display. A data transmission / reception unit which is a communication means for transmitting or receiving information related to various data recorded on the optical disc recording medium to the optical disc recording medium in a non-contact manner; Alternatively, the control circuit embedded in the cartridge containing the above optical disk recording medium operates. Respectively show power transmission unit power is a power transmitting means for transmitting the for.

Next, the operation of a video player for recording or reproducing video and audio will be described with reference to FIGS. FIG. 7 shows an example of a flow when recording video and audio on an optical disk recording medium. First, the optical disk recording medium 4 is inserted into the video player 5 (step 301), and a recording reservation is made (step 302). When the recording reservation ends, the video player 5 waits for the recording to start (step 303), and when the recording start reservation time comes, records the reserved program or the like on the optical disk recording medium 4 (step 304). After the recording is completed, power for operating the control circuit embedded in the optical disk recording medium or the cartridge containing the optical disk recording medium is transmitted from the power transmission unit 57 (step 305), and the control circuit is set to the operating state. I do. Next, information relating to the recorded various data, for example, information such as a program name and a recording date and time is transmitted from the data transmitting / receiving unit 56 (step 306), and is embedded in the optical disk recording medium or the cartridge incorporating the optical disk recording medium. The data is recorded in the storage element in the control circuit. When the transmission of the information is completed, the transmission of the power is also terminated (step 307).

Next, an operation of searching for an optical disk recording medium on which a program to be watched is recorded will be described. FIG. 8 shows an example of the operation flow at this time. First, when the video player 5 is set to the search mode (step 401), the power transmission unit 57 transmits power for operating the control circuit embedded in the optical disk recording medium or the cartridge incorporating the optical disk recording medium. The process starts (step 402), and then an information request signal is transmitted from the data transmitting / receiving unit 56 (step 403), and waits for reception of information such as a program name and a recording date and time (step 404).

In this state, when the optical disk recording medium 4 is brought close to the video player 5, the control circuit embedded in the optical disk recording medium 4 or the cartridge containing the optical disk recording medium starts operating, and the control circuit in the control circuit starts operating. Information such as the program name and the recording date and time recorded in the storage element is transmitted. The CPU 51 that has received the information such as the program name and the recording date and time by the data transmitting / receiving unit 56 (step 4).
05), information such as the program name and the recording date and time is displayed on the screen of the television 6 via the video / audio output unit 55 (step 406). In this way, by successively bringing the optical disk recording medium 4 closer to the video player 5 and confirming the contents, it is possible to easily search for the optical disk recording medium on which the desired program has been recorded.

[0019]

According to the present invention, the contents of the data recorded on the optical disk can be confirmed without setting the optical disk in the reproducing apparatus or the recording / reproducing apparatus. it can.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration for realizing a non-contact communication function according to an embodiment of the present invention.

FIG. 2 is a front view showing the appearance of an optical disk recording / reproducing apparatus for a personal computer according to one embodiment of the present invention.

FIG. 3 is a processing flowchart for recording on an optical disk recording medium according to an embodiment of the present invention.

FIG. 4 is a processing flowchart for searching for an optical disk recording medium according to an embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a video player for recording video and audio according to an embodiment of the present invention.

FIG. 6 is an exemplary front view showing the appearance of the video player according to the embodiment of the present invention;

FIG. 7 is a processing flowchart for recording on an optical disk recording medium by the video player according to one embodiment of the present invention.

FIG. 8 is a processing flowchart of an operation of searching for an optical disk recording medium on which a desired program is recorded according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Optical disk recording / reproducing apparatus, 2 ... Personal computer, 3 ... Display, 4 ... Optical disk recording medium, 5 ... Video player, 6 ... Television, 11 ... CPU, 12 ... Optical disk drive, 13 ... Communication interface, 14 ... Data transmission / reception part, 15: power transmission unit, 51: CPU, 52: tuner, 53: video / audio compression / expansion unit, 54: optical disk drive, 55: video / audio output unit, 56: data transmission / reception unit
57 ... power transmission unit.

Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04B 5/00 H04B 5/00 Z G11B 27/00 D (72) Inventor Taizo Kinoshita 1-280 Higashi-Koikekubo, Kokubunji-shi, Tokyo Hitachi, Ltd. In the laboratory (72) Inventor Hiroshi Yoshiki 1-280 Higashi Koikekubo, Kokubunji-shi, Tokyo Inside the Hitachi, Ltd. Central Research Laboratory (72) Inventor Masahiro Kageyama 1-1280 Higashi Koikekubo, Kokubunji-shi, Tokyo In the Hitachi, Ltd. Central Research Laboratory (72 Inventor Akihiko Oba 1-280 Higashi Koigakubo, Kokubunji-shi, Tokyo Inside the Hitachi, Ltd.Central Research Laboratories (72) Inventor Toru Matsushita 1-280 Higashi Koigakubo, Kokubunji-shi, Tokyo Inside the Central Research Laboratories, Hitachi, Ltd.

Claims (1)

[Claims] 1. An optical disk recording / reproducing apparatus for recording or reproducing various data, a communication means for transmitting or receiving information related to various data recorded on an optical disk recording medium in a non-contact manner, and in the optical disk recording medium or the optical disk. Power transmitting means for transmitting power for operating a control circuit embedded in a cartridge having a built-in recording medium, and a power transmitting means for receiving power from a control circuit embedded in the optical disc recording medium or the cartridge having the optical disc recording medium. An optical disc recording / reproducing apparatus having a non-contact communication function, comprising: information display means for displaying information on various data recorded on an optical disc recording medium.