JP2009296541A - Video recording device and recording media - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video recording device capable of confirming contents of data recorded within a recording medium, to which non-contact access and contact access can be performed, while suppressing time and efforts for inserting the medium for non-contact access, by using the recording medium. <P>SOLUTION: A video recording device can perform non-contact access and contact access and records video images on recording media 112 including a non-contact memory 118 corresponding to non-contact access and a contact memory 115 corresponding to contact access. A determination means is then provided for determining whether the loaded recording medium 112 is a compatible recording medium being compatible with non-contact access and contact access. Furthermore, a generation means is provided for generating representative video data in addition to video data in a case where the medium is determined as a compatible recording medium by the determination means. Moreover, a transmission means is provided for transmitting the representative video data generated by the generation means to the compatible recording medium so as to store the data on the non-contact memory 118. Each of the means functions under control of an information processor 109. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a recording medium having two types of access means, and more particularly to a video recording apparatus and recording medium for recording image information on a recording medium having a non-contact type access means and a contact type access means.

  A portable contact-type recording medium capable of reading and writing data, for example, a memory card using a storage element such as a semiconductor memory and provided with contacts for signal transmission and power supply, such as a digital camera or a video camera It is used as a recording medium for video recording devices.

  However, since memory cards are smaller than conventional optical discs and tape media, it is not easy to write the recorded content on the surface of the media. Can not be confirmed.

  Therefore, the user confirms the content by inserting the medium into the slot type reader / writer of the playback device, and reading and displaying the content on the playback device.

  As a means for saving such trouble, a means for confirming the contents of the medium by using a non-contact type recording medium (for example, an IC card) that does not require contact as a recording medium and bringing it closer to the touch can be considered.

In addition, mainly for the purpose of improving security, there are a technique for combining a non-contact type IC card and a contact type IC card (see Patent Document 1), and a technique for combining a non-contact type IC card and a memory card unit. Proposed.
JP 2000-123139 A

  As described above, it is conceivable to use a non-contact type recording medium in order to reduce the trouble of checking the contents of the recording medium. However, the memory used as the non-contact type recording medium has low power consumption and reading / writing. There are conditions such as early, and the cost is high. Therefore, the capacity is generally small.

  Combining it with a memory card solves the problem of the capacity of the media itself. However, when reading data with non-contact access with a single recording medium close to the device, the power from the approach to the release is limited. The communication session needs to be completed within a specified period.

  For this reason, it is necessary to read out information necessary for communication with a limited amount of data similar to a general IC card in the IC card unit.

  An object of the present invention is to use a recording medium capable of non-contact type access and contact type access, and confirm the contents of data recorded in the recording medium while suppressing the trouble of inserting the medium in contact type access. Another object of the present invention is to provide a video recording apparatus that can perform the above-described process.

  To achieve the above object, the video recording apparatus according to claim 1 is capable of non-contact type access and contact type access, and corresponds to the non-contact memory corresponding to the non-contact type access and the contact type access. In a video recording apparatus for recording video on a recording medium having a contact memory, a determination unit that determines whether or not the recording medium to be mounted is a corresponding recording medium corresponding to the non-contact type access and the contact type access; Generation means for generating representative video data in addition to video data when the determination means determines the corresponding recording medium; and the representative video data generated by the generation means for storing the representative video data in the non-contact memory Transmission means for transmitting to a corresponding recording medium.

  The video recording apparatus according to claim 2, wherein a non-contact type access and a contact type access are possible, a recording medium having a non-contact memory corresponding to the non-contact type access and a contact memory corresponding to the contact type access. In the video recording apparatus for recording video, a determination unit that determines whether or not the recording medium to be mounted is a corresponding recording medium corresponding to the non-contact type access and the contact type access; First transmission means for transmitting, to the corresponding recording medium, control data for instructing to store representative video data of video data to be stored in the contact memory in the non-contact memory when determined; Generating means for generating the video data after transmitting the control data by one transmission means, and generated by the generating means Characterized in that it comprises a second transmitting means for transmitting the serial video data to the corresponding recording medium.

  5. The recording medium according to claim 4, wherein the recording medium is capable of non-contact type access and contact type access, and has a non-contact memory corresponding to the non-contact type access and a contact memory corresponding to the contact type access, and video recording A recording medium for recording video data of the apparatus, comprising: processing means for performing processing for storing representative image data of the video data in the non-contact memory when the video data is stored in the contact memory. And

  The video recording apparatus according to claim 5, wherein the recording has a first access means that can access the first recording area, and a second access means that can access the first recording area and the second recording area. In a video recording apparatus capable of recording on a medium, when the second access means records video data in the second recording area, control is performed to record information relating to the video data in the first recording area. It is characterized by including a control means.

  The video recording apparatus according to claim 6, wherein the video can be recorded on a recording medium having first access means that can access the first recording area and second access means that can access the second recording area. In the recording apparatus, when video data is recorded in the second recording area by the second access means, the control data for instructing processing for recording information relating to the video data in the first recording area Control means for controlling to transmit to the recording medium is provided.

  The video recording apparatus according to claim 7, wherein the recording has first access means that can access the first recording area, and second access means that can access the first recording area and the second recording area. Information relating to video data stored in the second recording area in the first recording area when the recording medium becomes accessible by the second access means in the video recording apparatus capable of recording on the medium. It is characterized by comprising a control means for controlling to record.

The recording medium according to claim 9 is a recording medium having a first access means that can access the first recording area and a second access means that can access the second recording area.
When video data is stored in the second recording area from the second access means, information relating to the video data is recorded in the first recording area.

  As described above, according to the video recording apparatus of the present invention, the recording medium capable of non-contact type access and contact type access is used, and the content of the data recorded in the recording medium is changed by the contact type access. This can be confirmed while reducing the trouble of inserting media.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a block diagram of a video recording system in which a video recording apparatus and a recording medium according to an embodiment of the present invention are connected.

  In FIG. 1, a video recording apparatus (for example, a digital camera) according to the present invention is capable of non-contact type access and contact type access, and has a non-contact type memory corresponding to non-contact type access and a contact type corresponding to contact type access. Video is recorded on a recording medium having a memory.

  The video recording apparatus 101 includes a lens 102, a CCD 103 that is a solid-state imaging device, and a video signal processing circuit 104 that converts an imaging signal into a video signal.

  In addition, the video recording apparatus 101 includes a video display output circuit 105 and a video output terminal 106 that superimpose a video signal and OSD (On Screen Display) information from the information processing unit and output them to a display device or an output terminal.

  The video recording apparatus 101 also includes an LCD 107 which is a video display apparatus, operation keys 108 for inputting user operations, and an information processing unit 109 for controlling each part.

  The video recording apparatus 101 also includes a contact type communication unit 110 that performs communication processing in contact with the recording medium 112 and a non-contact type communication unit 111 that performs communication processing without contact with the recording medium 112.

  A recording medium 112 attached (inserted) to the video recording apparatus 101 is in contact with the video recording apparatus 101 to perform communication processing, and a contact type communication unit 113 that performs communication processing without contact with the video recording apparatus 101. Part 116 is provided.

  The recording medium 112 includes a contact memory (second recording area) 115 accessible via the contact communication unit 113, the contact communication unit 113, and a contact communication processing unit that controls the contact memory 115 ( Second access means) 114.

  The recording medium 112 is a non-contact type that controls the non-contact memory (first recording area) 118, the non-contact type communication unit 116, and the non-contact memory 118 that can be accessed via the non-contact type communication unit 116. A communication processing unit (first access means) 117 is provided. Here, it is also possible to exchange information between the contact communication processing unit 114 and the non-contact communication processing unit 117.

  Here, when the contact-type communication processing unit 114 and the non-contact-type communication processing unit 117 store image data (video data) in the contact memory 115, the representative image data of the video data is stored in the non-contact memory 118. It functions as processing means for performing processing for storing (representative image data).

  FIG. 2 is a flowchart showing a procedure of a first example of image photographing / transmission processing executed by the video recording apparatus in FIG.

  This process is executed under the control of the information processing unit 109 in FIG.

  In a state where the recording medium 112 is recognized, first, in step S201, it is confirmed whether or not the medium is compatible with both non-contact and contact type access.

  Step S201 functions as a determination unit that determines whether or not the recording medium 112 to be mounted is a corresponding recording medium corresponding to non-contact type access and contact type access.

  If it is a compatible medium, when an image photographing instruction is received in step S202, the process proceeds to step S203.

  In step S203, the image pickup signal from the CCD 103 is converted into a video signal by the video signal processing circuit 104 to generate image data (video data), and in step S204, representative image data (representative video data; information on video data). Is generated.

  Step S204 functions as a generation unit that generates representative video data in addition to video data when the determination unit determines that the recording medium is compatible.

  In step S205, the image data generated in the previous step S203 is transmitted to the recording medium 112 by contact-type access. Next, in step S206, the representative image data generated in the previous step S204 is transmitted to the recording medium 112 by contact-type access.

  Step S206 functions as a transmission unit that transmits the representative video data generated by the generation unit to the corresponding recording medium so as to be stored in the non-contact memory 118.

  In the recording medium 112, the transmitted representative image data is stored in the non-contact memory 118 from the contact communication processing unit 114 via the non-contact communication processing unit 117.

  If it is determined in step S201 that the medium is not a compatible medium, image recording is started in step 202, image data is generated in step 203, and image data is transmitted for storage in a recording medium in step 205. Media processing.

  FIG. 3 is a flowchart showing the procedure of the second example of the image photographing / transmission process executed by the video recording apparatus in FIG.

  In a state where the recording medium 112 is recognized, first, in step S301, it is confirmed whether the medium is compatible with both non-contact and contact type access. If it is a compatible medium, control data is transmitted to the recording medium 112 in step S302.

  In the control data, when image data is transmitted from the video recording apparatus 101 and stored in the contact memory 115, processing for copying and storing the representative image data in the non-contact memory 118 is described.

  In step S302, when the determination unit determines that the recording medium is the corresponding recording medium, the control data instructing to store the representative video data of the video data stored in the contact memory 115 also in the non-contact memory 118 is stored in the corresponding recording medium. It functions as a first transmitting means for transmitting.

  Thereafter, when an image capturing instruction is received in step S303, the process proceeds to step S304, in which the image signal from the CCD 103 is converted into a video signal by the video signal processing circuit 104, and image data is generated.

  In step S305, the generated image data is transmitted to the recording medium 112 by contact-type access.

  Step S305 functions as a second transmission unit that transmits the video data generated by the generation unit to the corresponding recording medium.

  On the recording medium 112 side, in accordance with the control data transmitted in the previous step S302, the data is transmitted from the contact communication processing unit 114 of the recording medium 112 to the non-contact memory 118 via the non-contact communication processing unit 117. A part of image data (representative image data) is stored.

  If it is determined in step S301 that the medium is not a compatible medium, the image is simply captured in steps from step S303, and the process proceeds to steps S304 and S305 to transmit image data.

  FIG. 4 is a flowchart showing a procedure of image data reception processing executed by the recording medium in FIG.

  In step S 401, control data from the video recording apparatus 101 is received and stored in the contact memory 115. Next, when image data is received in step S402, it is determined in step S403 whether or not the image data received in step S402 is a copy target in accordance with the previously stored control data.

  If it is a copy target, the image data is stored in the non-contact memory 118 in step S404, and the image data is stored in the contact memory 115 in step S405.

  If the received data is not image data, such as when the received data is not image data in step S403, the process proceeds from step S403 to step S405, and the image data is only stored in the contact memory 115. It is.

  FIG. 5 is a flowchart showing the procedure of the insertion process when the recording medium in FIG. 1 is inserted into the video recording apparatus.

  If the recording medium 112 is inserted into the video recording apparatus 101 in step S501, it is determined in step S502 whether the medium is compatible with both non-contact and contact-type access.

  If it is a compatible medium, representative image data is generated in step S503, and the representative image data is stored in step S504. Thus, when the recording medium 112 is inserted into the video recording apparatus 101, the representative image can be stored in the non-contact memory 118 of the recording medium 112 without performing photographing.

  The representative image data is obtained by using time information of recorded image data, using the final image data, using the top image data, or image data obtained by processing the original image data such as a thumbnail image. It is possible to use.

  FIG. 6 is a flowchart showing the procedure of the initialization process of the recording medium in FIG.

  In step S601, it is determined whether the recording medium 112 is a medium that supports both non-contact and contact-type access. If it is a compatible medium, the recording medium 112 is initialized in step S602.

  In step S603, image non-recording information indicating that no image is recorded is generated. Thereafter, in step S604, the non-image recording information is stored in the non-contact memory 118 of the recording medium 112.

  FIG. 7 is a flowchart showing the procedure of the recording medium content confirmation process in FIG.

  In step S701, the recording medium 112 is detected by non-contact communication and data communication is performed.

  Step S701 functions as detection means for detecting the corresponding recording medium by non-contact access.

  In step S702, it is determined whether the received data includes representative image data.

  Step S702 functions as a second determination unit that determines the presence or absence of representative video data stored in the non-contact memory 115 when a corresponding recording medium is detected by the detection unit.

  If there is representative image data, the representative image data is displayed on the LCD 107 in step S703.

  Step S703 functions as a display unit that displays the representative video data when the second determination unit determines that the representative video data is stored in the non-contact memory 115.

  If there is no representative image data, it is determined in step S704 whether there is image non-recording information. If there is no image recording information, a message indicating that there is no image is displayed on the LCD 107 in step S705.

  If there is no image non-recording information, since it is the recording medium 112 that has not been previously inserted in the video recording apparatus 101, a message indicating that the content is not supported and is not known is displayed on the LCD 107 in step S706. .

1 is a block diagram of a video recording system in which a video recording apparatus and a recording medium according to an embodiment of the present invention are connected. 3 is a flowchart illustrating a procedure of a first example of image capturing / transmission processing executed by the video recording apparatus in FIG. 1. 6 is a flowchart illustrating a procedure of a second example of image capturing / transmission processing executed by the video recording apparatus in FIG. 1. 2 is a flowchart illustrating a procedure of image data reception processing executed by the recording medium in FIG. 1. 3 is a flowchart showing a procedure of insertion processing when the recording medium in FIG. 1 is inserted into a video recording apparatus. FIG. 2 is a flowchart showing a procedure of a recording medium initialization process in FIG. 1. FIG. 2 is a flowchart showing a procedure of a recording medium content confirmation process in FIG. 1.

Explanation of symbols

101 video recording device 104 video signal processing circuit 105 video display output circuit 107 LCD
109 Information processing unit 110 Contact-type communication unit 111 Non-contact type communication unit 112 Recording medium 113 Contact-type communication unit 114 Contact-type communication processing unit 115 Contact memory 116 Non-contact type communication unit 117 Non-contact type communication processing unit 118 Contact memory

Claims (9)

In a non-contact type access and a contact type access, a video recording apparatus for recording video on a recording medium having a non-contact memory corresponding to the non-contact type access and a contact memory corresponding to the contact type access,
Determining means for determining whether or not the recording medium to be mounted is a corresponding recording medium corresponding to the non-contact type access and the contact type access;
Generating means for generating representative video data in addition to video data when the determination means determines that the recording medium is compatible;
Transmitting means for transmitting the representative video data generated by the generating means to the corresponding recording medium so as to be stored in the non-contact memory;
A video recording apparatus comprising: In a non-contact type access and a contact type access, a video recording apparatus for recording video on a recording medium having a non-contact memory corresponding to the non-contact type access and a contact memory corresponding to the contact type access,
Determining means for determining whether or not the recording medium to be mounted is a corresponding recording medium corresponding to the non-contact type access and the contact type access;
When the determination unit determines that the recording medium is the corresponding recording medium, control data for instructing to store the representative video data of the video data stored in the contact memory in the non-contact memory is transmitted to the corresponding recording medium. First transmission means;
Generating means for generating the video data after transmitting the control data by the first transmitting means;
Second transmission means for transmitting the video data generated by the generation means to the corresponding recording medium;
A video recording apparatus comprising: Detecting means for detecting the corresponding recording medium by the non-contact type access;
Second determination means for determining the presence or absence of the representative video data stored in the non-contact memory when the corresponding recording medium is detected by the detection means;
Display means for displaying the representative video data when it is determined by the second determination means that the representative video data is stored in the non-contact memory;
The video recording apparatus according to claim 1, further comprising: Non-contact type access and contact type access are possible, a non-contact memory corresponding to the non-contact type access and a contact memory corresponding to the contact type access, and a recording medium for recording video data of a video recording device In
A recording medium comprising processing means for performing processing for storing representative image data of the video data in the non-contact memory when the video data is stored in the contact memory. In a video recording apparatus for recording on a recording medium having a first access means accessible to a first recording area, and a second access means accessible to the first recording area and the second recording area,
When the video data is recorded in the second recording area by the second access means, control means is provided for controlling to record information relating to the video data in the first recording area. Video recording device. In a video recording apparatus for recording on a recording medium having a first access means accessible to the first recording area and a second access means accessible to the second recording area,
When the video data is recorded in the second recording area by the second access means, the control data instructing a process for recording information on the video data in the first recording area is stored in the recording medium. A video recording apparatus comprising control means for controlling transmission. In a video recording apparatus for recording on a recording medium having a first access means accessible to a first recording area, and a second access means accessible to the first recording area and the second recording area,
Control means for controlling to record information relating to video data stored in the second recording area in the first recording area when the recording medium becomes accessible by the second access means. A video recording apparatus characterized by that.   8. The video recording apparatus according to claim 5, further comprising display means for reading and displaying the video data in the first recording area. In a recording medium having a first access means accessible to the first recording area and a second access means accessible to the second recording area,
A recording medium for recording information relating to the video data in the first recording area when the video data is stored in the second recording area from the second access means.

Images