JP2007096441A - Optical disc drive integrating dvd - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a user-friendly projector integrating a DVD by incorporating a function for reproducing the DVD and a function for receiving television broadcast, thereby reducing the time required for installation of the main body. <P>SOLUTION: The projector 1 comprises a video recording/reproducing section 3 for a DVD, and a television broadcast receiving section 4. A lens 6a for projecting a video image onto a screen and a section 8 performing input operation for the apparatus body are provided on the opposing side faces, and a connection terminal with an external apparatus is provided on the other side face. Thus, the cables is not positioned easily in front of the projection lens 6a. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a DVD-integrated optical disk apparatus in which a projection apparatus that projects an image on a screen and a DVD apparatus that reproduces an image based on data recorded on a DVD are integrated.

  Conventionally, a projection apparatus such as a liquid crystal projector that projects an image on a screen has been put into practical use. As for the projection apparatus proposed so far, for example, as shown in Patent Documents 1 and 2, etc., an external device such as a DVD device or a personal computer is connected with a cable, and input from the external device via the cable is performed. The projected image was projected onto a screen or the like.

In recent years, the number of users who use a projection device when viewing a movie or the like recorded on a DVD has increased with the idea of home theater. In addition, since the television broadcast will be switched from the conventional analog broadcast to the digital television broadcast capable of displaying high-quality video, the number of users who use the projection device will also increase when viewing a television broadcast program. It is done.
JP 2005-124054 A JP 2003-233364 A

  However, the conventional projection apparatus has a configuration in which an image input from an external device connected by a cable, such as a DVD device or a personal computer, is projected onto a screen. For this reason, the user takes into account not only the position of the screen that projects the image, but also the positional relationship with the external device that inputs the image to the projection device and the routing of the cable used to connect to the external device. The apparatus must be installed, and there is a problem that the installation of the projection apparatus is troublesome.

  Further, when changing the location where the projection apparatus is used, there is a problem in that it is not convenient for the user because the installation location of the external device that inputs video to the projection apparatus must also be changed.

  An object of the present invention is to provide a DVD-integrated projection apparatus that is easy to use for a user by incorporating a function of reproducing a DVD and a function of receiving a television broadcast, and greatly reducing the labor required for installing the main body. There is.

  The DVD integrated apparatus of the present invention has the following configuration in order to solve the above problems.

(1) In a projection apparatus provided with a projection means for projecting an image on a screen via a projection lens,
Reproducing means for reading data recorded on a DVD and reproducing video based on this data;
The projection unit is a unit having a function of projecting an image reproduced by the reproduction unit onto a screen,
The projection lens is attached to any side of the apparatus main body, an operation key for performing an input operation on the apparatus main body is attached to the side opposite to the side to which the projection lens is attached, and a connection terminal of a cable connected to the apparatus main body is provided. The projection lens and the operation key are provided on the side surface not attached.

  In this configuration, a movie or program recorded on a DVD can be played by the playback means. Further, the projection unit projects the video reproduced by the reproduction unit onto the screen. As described above, since the DVD playback function is provided in the projection apparatus, it is possible to project and view a video such as a movie recorded on the DVD on the screen. Since it is not necessary to connect a DVD device with a cable as an external device for inputting an image to be projected to the apparatus main body, it is possible to reduce a user's trouble in installing the projection apparatus.

  Further, since the operation key is attached to the side surface opposite to the side surface to which the projection lens is attached, operability when an image is projected on the screen can be secured. Furthermore, since the connection terminal of the cable connected to the apparatus main body is provided on the side surface to which the projection lens is not attached, it is possible to easily wire the cable so that it is not positioned in front of the projection lens.

(2) a receiving means for receiving a television broadcast signal and extracting a program broadcast on the selected channel;
The projection unit is a unit having a function of projecting a video of a program received by the reception unit onto a screen.

  In this configuration, even a program broadcast on television can be viewed by projecting the video onto a screen.

  (3) A recording means for recording the program received by the receiving means on a DVD is provided.

  In this configuration, a TV broadcast program can be recorded on a DVD, and a program recorded on the DVD can be projected on a screen for viewing.

  (4) The projection unit is a unit having a function of projecting an image input from an external device connected via a cable onto a screen.

  In this configuration, video input from an external device connected via a cable can also be projected and viewed on a screen.

  According to the present invention, since the projection apparatus and the DVD apparatus are integrated, it is not necessary to connect the DVD apparatus with a cable as an external device for inputting the image to be projected to the apparatus body, and the user who installs the projection apparatus. Can be saved. Further, since the operation key is attached to the side surface opposite to the side surface to which the projection lens is attached, operability when an image is projected on the screen can be secured. Furthermore, since the connection terminal of the cable connected to the apparatus main body is provided on the side surface to which the projection lens is not attached, it is possible to easily wire the cable so that it is not positioned in front of the projection lens.

  Embodiments of a DVD-integrated projection apparatus that is an embodiment of the present invention will be described below.

  FIG. 1 is a diagram showing a schematic configuration of a DVD-integrated projection apparatus according to an embodiment of the present invention. Recording is performed on a DVD-integrated projection apparatus 1 (hereinafter simply referred to as the projection apparatus 1), a main control unit 2 that controls the operation of each part of the apparatus main body, and a DVD (not shown) set in the main body. A recording / reproducing unit 3 that reproduces content such as a program being recorded and records content on a DVD, and a television receiver 4 that receives a television broadcast signal and extracts a program broadcast on a selected channel. An external input / output unit 5 that controls input / output of data with an external device connected via a cable, a projection unit 6 that projects an image on a screen, an audio output unit 7 that outputs audio, And an operation unit 8 provided with a plurality of operation keys. The recording / playback unit 3 has a known pickup head, reads the data of the recorded content by irradiating a DVD set in the main body with this pickup head, and records the data of the content to be recorded. Make a record. When reproducing the content recorded on the DVD, the recording / playback unit 3 separates the content data read from the DVD into video data and audio data, and decodes these data. The decoded video data is input to the projection unit 6 and the decoded audio data is input to the external input / output unit 5 and the audio output unit 7. The recording / playback unit 3 generates a program stream based on the input content data when recording the content on the DVD, and records the program stream on the DVD. As is well known, the program stream is a packet of video data and audio data encoded by MPEG or the like in a predetermined unit and multiplexed. Content to be recorded on the DVD is input from the television receiver 4 or the external input / output unit 5.

  An antenna (not shown) is connected to the television receiver 4 and a television broadcast signal received by this antenna is input. The antenna is connected to the antenna connection terminal 4a. The television receiver 4 has a tuner that extracts a television broadcast signal of a selected channel from an inputted television broadcast signal. The television broadcast signal input to the television receiver 4 may be a digital broadcast signal or an analog broadcast signal. The television receiver 4 inputs the video data of the program extracted by the tuner to the projection unit 6 and inputs the audio data to the external input / output unit 5 and the audio output unit 7. The television receiver 4 also inputs video data and audio data to the recording / playback unit 3.

  If the television broadcast signal of the selected channel is an analog broadcast signal, the television receiver 4 generates video data and audio data based on the analog broadcast signal, and sends it to the projection unit 6 and the like described above. input.

  The external input / output unit 5 is provided with a plurality of input / output terminals used for connection with an external device. For example, a PC connection terminal used for connection with a personal computer, a digital input terminal for receiving input of video data and audio data from an external device such as a DVD device, and a digital audio output terminal used for connection with a power amplifier are provided. ing. The external input / output unit 5 inputs video data input from an external device to the projection unit 6 and inputs audio data to the audio output unit 7. The external input / output unit 5 also inputs the input video data and audio data to the recording / playback unit 3. Further, the external input / output unit 5 outputs the audio data input from the recording / playback unit 3 and the television receiving unit 4 from the digital audio output terminal to the outside. The projection unit 6 displays a video based on video data input from the recording / playback unit 3, the television receiver 4, or the external input / output unit 5 on a liquid crystal panel (illustrated), and projects the video displayed on the liquid crystal panel. Projecting onto the screen via the lens 6a. The audio output unit 7 includes a speaker 7a. The audio output unit 7 generates an audio signal based on audio data input from the recording / playback unit 3, the television receiver 4, or the external input / output unit 5, and the audio signal is used as the speaker. The audio output from 7a is controlled. In addition to a plurality of operation keys, the operation unit 8 includes a remote control reception unit that receives a control code transmitted from a remote control device (not shown), and a display unit 8a that displays an operation state of the apparatus main body. . The operation unit 8 inputs the control code received by the remote control reception unit and the control code corresponding to the operated operation key to the main control unit 2. The main control unit 2 controls the operation of each unit based on the control code input from the operation unit 8. For example, control is performed such as switching of the channel received by the television receiver 4 and increasing / decreasing the volume of sound output from the speaker 7a.

  FIG. 2 is a perspective view of a projection apparatus according to an embodiment of the present invention. FIG. 3 is a front view (FIG. 3A) and a rear view (FIG. 3B) of the projection apparatus according to this embodiment. And a right side view (FIG. 3C). As shown in the figure, the projection apparatus 1 of this embodiment is provided with the above-described parts in a rectangular parallelepiped case. In the front of the case, there is provided an insertion slot 3a into which a DVD for reproducing and recording content in the recording / reproducing unit 3 is inserted. The recording / playback unit 3 has an autoloading mechanism for taking in the DVD inserted into the insertion slot 3a. Since this auto-loading mechanism is publicly known, description thereof is omitted here. At the time of ejection, about half of the DVD is released from the apparatus main body into the insertion port 3a. In addition, the operation keys of the operation unit 8, the remote control reception unit, and the display unit 8a are arranged on the front of the case. Furthermore, the speaker 7a of the audio | voice output part 7 is arrange | positioned at the left and right both sides of the case front.

  A projection lens 6a of the projection unit 6 is disposed on the case back. In this embodiment, the projection lens 6a is disposed at a substantially central portion on the back surface of the case, but may be disposed near the right side or the left side. Further, in the projection apparatus 1 of this embodiment, the configuration other than the projection lens 6a is not arranged on the back surface of the case. In other words, only the projection lens 6a is disposed on the back of the case. Furthermore, on the right side of the case, an antenna connection terminal 4a for connecting an antenna to the television receiver 4 and an external input / output terminal for connecting the external input / output unit 5 and an external device are arranged. The antenna connection terminal 4a and the external input / output terminal are arranged close to the front side. As described above, since the antenna connection terminal 4a and the external input / output terminal are arranged close to the front side, the cables can be easily routed without being positioned on the front side of the projection lens 6a.

  Note that the antenna connection terminal 4a and the external input / output terminals of the external input / output unit 5 may be arranged separately on the right side surface and the left side surface of the case, but in this case, they are used for connection with external devices. Since the cable is connected to both sides of the apparatus main body, the routing of the cable may be complicated. Therefore, it is preferable to arrange them on one of the right side and the left side.

  Next, the operation at the time of use of the projection apparatus 1 which is embodiment of this invention is demonstrated. FIG. 4 is a diagram showing a usage situation of the projection apparatus of this embodiment. As shown in FIG. 4, the projection device 1 is placed with the back of the main body facing the screen, that is, with the projection lens 6a facing the screen. At this time, the user adjusts the tilt, focus, zoom, and the like of the projection lens 6a so that the image by the projection unit 6 is appropriately projected on the screen. These adjustment mechanisms are provided in the projection unit 6. The user sits facing the front of the projection device 1. Therefore, the DVD insertion slot 3a, the operation key, the remote control reception unit, the display unit 8a, and the like in the projection device 1 are positioned in front of the user. For this reason, the user can easily set a DVD on the apparatus main body, perform an eject operation, perform an input operation on the apparatus main body using a remote controller or operation keys, and confirm the operation state of the apparatus main body. In addition, since the screen and the speaker 7a of the audio output unit 7 are located in front of the user, the content being played back by the recording / playback unit 3, the channel program received by the receiving unit 4, and the external The content input by the device to the external input / output unit 5 can be viewed. Further, since the external input / output unit 5 is provided with the digital audio output terminal as described above, the audio can be enjoyed in 5.1ch surround using a power amplifier or the like.

  Also, whether the video projected by the projection unit 6 on the screen and the audio output by the audio output unit 7 are the content being played back by the recording / playback 3 or the program of the channel extracted by the television receiving unit 4 Further, switching between content input from the external device to the external input / output unit 5 can be performed by operating an operation key of the operation unit 8 or operating a remote control device. Specifically, the main control unit 2 performs the above switching according to the operation of the operation key of the operation unit 8 by the user or the operation of the remote control device. The user can also select a channel in the television receiver 4 by operating the operation keys of the operation unit 8 or operating the remote control device. Therefore, the user can view the content recorded on the DVD or view the program broadcast on the television by the projection apparatus 1 alone of this embodiment.

  Note that the playback operation of the content recorded on the DVD in the recording / playback unit 3 is the same as that of a known DVD device, and thus the description thereof is omitted here. Further, since the channel selection operation in which the television receiver 4 extracts the television broadcast signal of the selected channel is well known, the description thereof is omitted here.

  As described above, since the projection apparatus 1 of this embodiment has a function of reproducing a DVD and a function of receiving a television broadcast, it is necessary to change the installation location to an external device such as a DVD player as in the past. The location where the projection apparatus is used can be easily changed. In addition, since the projection apparatus 1 of this embodiment includes the recording / reproducing unit 3 and the television receiving unit 4, the television broadcast program is once recorded on a DVD, and then the program recorded on the DVD is reproduced. You can also. Also, a known recording reservation function can be applied.

It is a figure which shows the schematic structure of the DVD integrated projector which is embodiment of this invention. 1 is a perspective view of a DVD integrated projector according to an embodiment of the present invention. 1 is a front view, a rear view, and a side view of a DVD-integrated projection apparatus according to an embodiment of the present invention. It is a figure which shows the use condition of the DVD integrated projector which is embodiment of this invention.

Explanation of symbols

1-DVD integrated projector (projector)
2-Main control unit 3-Recording / playback unit 4-TV receiving unit 4a-antenna connection terminal 5-external input / output unit 6-projection unit 6a-projection lens 7-audio output unit 7a-speaker 8-operation unit 8a-display Part

Claims (5)

In a projection apparatus comprising a projection means for projecting an image on a screen via a projection lens,
Reproduction means for reading data recorded on a DVD and reproducing video based on the data;
Recording means for recording the program received by the receiving means on a DVD;
Receiving means for receiving a television broadcast signal and extracting a program broadcast on a selected channel,
The projection means is a means having a function of projecting a video reproduced by the reproduction means, a video of a program received by the reception means, and a video input from an external device connected via a cable onto a screen. Yes,
The projection lens is attached to any side of the apparatus main body, an operation key for performing an input operation on the apparatus main body is attached to the side opposite to the side to which the projection lens is attached, and a connection terminal of a cable connected to the apparatus main body is provided. A DVD-integrated projection apparatus provided on a side surface to which the projection lens and operation keys are not attached. In a projection apparatus comprising a projection means for projecting an image on a screen via a projection lens,
Reproducing means for reading data recorded on a DVD and reproducing video based on this data;
The projection unit is a unit having a function of projecting an image reproduced by the reproduction unit onto a screen,
The projection lens is attached to any side of the apparatus main body, an operation key for performing an input operation on the apparatus main body is attached to the side opposite to the side to which the projection lens is attached, and a connection terminal of a cable connected to the apparatus main body is provided. A DVD-integrated projection apparatus provided on a side surface to which the projection lens and the operation key are not attached. Receiving means for receiving a television broadcast signal and extracting a program broadcast on a selected channel;
3. The DVD-integrated optical disk apparatus according to claim 2, wherein the projection unit is a unit having a function of projecting an image of a program received by the reception unit onto a screen.   4. The DVD-integrated optical disk apparatus according to claim 3, further comprising recording means for recording a program received by the receiving means on a DVD.   5. The DVD-integrated optical disc apparatus according to claim 2, wherein the projection unit has a function of projecting an image input from an external device connected via a cable onto a screen.

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