JP3851129B2 - Portable viewing device - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a portable viewing apparatus that can perform television viewing and the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, portable television receivers have been provided. Such devices receive terrestrial analog broadcasts with a built-in small tuner, and display received images on a liquid crystal display panel. In recent years, encoded video data based on MPEG4 (Moving Picture Experts Group 4) is recorded on a memory card, and the recorded video can be enjoyed on the go by loading the memory card in a slot of a portable viewing device. Be able to. The encoded video data based on MPEG4 can be obtained by passing a video received by a normal television broadcast or a video taken by a handy camera through an MPEG4 encoder, or by downloading using the Internet. .
[0003]
[Problems to be solved by the invention]
In this way, advanced video coding technology and downsizing of equipment have made it possible to enjoy video easily even when away from home, but there is a need for a portable viewing device with excellent usability. ing.
[0004]
An object of this invention is to provide the portable viewing apparatus excellent in usability in view of said situation.
[0005]
[Means for Solving the Problems]
The portable viewing apparatus of the present invention, in order to solve the above problem, a tuner to obtain the encoded video and audio data by receiving the de Ijitaru broadcasting, on a display by decoding the encoded video and audio data A portable viewing device including a video display unit and a voice output unit, a communication unit for network communication, an e-mail transmission unit for transmitting an e-mail via the network, and the received digital broadcast or Program information acquisition means for acquiring program information via the network, and storing program data obtained by decoding the encoded video / audio data acquired by receiving the digital broadcast based on the program information Storage means; and attachment means for attaching the program data to the e-mail. In e-mail creation screen that is attached by the step, and displaying the said program information corresponding to the image and the program data of the program data on the same screen.
[0006]
With the above configuration, functions as a television receiver, a playback device, and an e-mail terminal can be realized by one unit, and these functions can be integrated to make the program an e-mail. can it to send attachments to.
[0007]
Specifically, the program information displayed on the e-mail creation screen may be a program name or a channel.
[0008]
Means for displaying program information obtained by wirelessly connecting to a network on a display; means for storing program information selected by a user on the display; and for receiving the program based on the program information And a means for controlling the tuner. According to this, for example, by connecting to a “recommended program site” on the Internet and making a recording reservation based on program information obtained from the site, or by using the above-described program guide, A process such as making a recording reservation based on the program information sent from the type viewing device by e-mail can be performed.
[0009]
Further, means for displaying program information obtained by connecting to a network wirelessly on a display, means for storing program information selected by the user on the display, and starting the program based on the program information Means for informing the user. According to this, for example, the Internet is connected to a “recommended program site” on the Internet, and the user is notified of the program start by an alarm or the like several minutes before the program start based on the program information obtained from the site. .
[0010]
Current position detection means for detecting the current position, means for transmitting current position information to a predetermined destination by wirelessly connecting to the network, and information sent from the predetermined destination by the network is displayed. Means. According to this, for example, it is possible to connect to a predetermined site via the Internet and give the current position information, and obtain information on nearby stores, recommended local program information, etc. from the site.
[0011]
It is configured to transmit the encoded video / audio data of the program currently being viewed or the encoded video / audio data read out from the memory card and reproduced by connecting to the network by wireless connection. May be. According to this, it becomes possible to show a favorite program in real time to a friend in the area where the program is not broadcast, or to show it while recording and reproducing it later.
[0012]
Connect the encoded video / audio data of the program that you are currently watching while calling to any other party to the network wirelessly to the other party. It may be configured to transmit. According to this, you can show your favorite program in real time to a friend in the area where the program is not broadcast, or you can record it and show it while playing it later, and discuss each other's opinions about the program. Can be.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to FIGS.
[0014]
As shown in FIGS. 1 and 2, the stationary peripheral device 1 and the portable viewing device 2 of this embodiment constitute a broadcast viewing system. In this system, the stationary peripheral device 1 receives an analog broadcast, and the encoded video / audio data obtained by encoding the received broadcast is inserted into a slot 101 (for example, a compact flash card (trademark)). Or a multimedia card (trademark) or the like. The main body 1a of the stationary peripheral device 1 is designed to be vertically long, and has a leg portion 1b at the lower portion thereof to prevent overturning. The stationary peripheral device 1 is provided with a power button and operation buttons (play / pause, stop, and feed) related to viewing, but is not provided with operation buttons for channel selection. And the accommodation recessed part 1c is formed in the near side in the main-body part 1a of the stationary peripheral apparatus 1, The portable viewing-and-listening apparatus 2 can be inserted and mounted | worn in this accommodation recessed part 1c. In this attached state, the portable viewing device 2 is charged from the stationary peripheral device 1.
[0015]
The portable viewing device 2 has a substantially square shape and a flat shape, and is configured to be battery-driven. The portable viewing device 2 receives the terrestrial digital broadcast by the tuner 230. Also, the encoded video / audio data is read from the memory card 3 inserted into the slot 201, the video is displayed on the liquid crystal display panel 202, and the audio is output from the earphone 203. A touch panel 211 is pasted on the liquid crystal display panel 202, and a desired instruction can be given by operating the panel with a touch pen or the like. Note that operation buttons (play / pause, stop, feed, volume, etc.) relating to viewing are provided on the casing.
[0016]
Hereinafter, the circuit configurations of the stationary peripheral device 1 and the portable viewing device 2 will be described in detail with reference to FIG.
[0017]
First, the stationary peripheral device 1 will be described. The tuner 102 receives an analog broadcast and outputs this broadcast reception signal. Tuning information for starting tuner 102 and channel selection information (channel information) for receiving an arbitrary broadcast are provided from CPU 110 via I / O (input / output) circuit 103 and system bus 104. The CPU 110 receives channel selection command information (designated channel information, designated time information, etc.) from the user from the memory card 3 via the system bus 104, the PCMCIA interface 105, and the slot 101. The switch 106 has an input unit for inputting the broadcast reception signal and an input unit for inputting an external signal. The switch 106 selects one of the signals and supplies the selected signal to the A / D conversion circuit 107.
[0018]
The A / D conversion circuit 107 converts an analog signal into a digital signal and supplies it to an MPEG4 (Moving Picture Experts Group 4) encoder 108. In accordance with MPEG4, the MPEG4 encoder 108 describes, for example, the background in the video and the person in the background individually as objects, adds shape information to handle each object of this arbitrary shape, and performs DCT processing in the same way as MPEG2. Or a motion vector process or the like is performed to generate a video packet, and a continuous bit stream is output. The audio is also subjected to predetermined encoding, and the audio encoded data is incorporated into the bit stream. The SDRAM 109 is used in the above processing of the MPEG4 encoder 108.
[0019]
The bit stream (encoded video / audio data) output from the MPEG4 encoder 108 is stored in the memory card 3 via the system bus 104, the PCMCIA interface 105, and the slot 101.
[0020]
Two sets of the slot 101 and the PCMCIA interface 105 are provided. In addition to the memory card 3, the PHS data card 4 and the like can be mounted in the slot 101.
[0021]
The charging circuit 113 includes a circuit that converts alternating current from a commercial power source into a direct current, and the like. When the portable viewing device 2 is attached to the stationary peripheral device 1 as shown in FIG. The charging power is supplied to the portable viewing device 2 through the mobile phone.
[0022]
The CPU 110 performs the above-described operation control of the tuner 102 and the processing (recording processing) for storing the output of the MPEG4 encoder 108 in the memory card 3, and also data transmission / reception when the PHS data card 4 is mounted in the slot 101, Control of each functional unit based on the above, read / write control of the Flash ROM 111 and the DRAM 112, and the like are also performed.
[0023]
Next, the portable viewing device 2 will be described. The MPEG4 bit stream data stored in the memory card 3 is supplied to the MPEG4 decoder 204 via the PCMCIA interface 220 and the system bus 213. The tuner 230 that receives the terrestrial digital broadcast takes out the MPEG4 bit stream data broadcast by the terrestrial digital broadcast and supplies it to the MPEG4 decoder 204 or supplies it to the system bus 213 for recording in the memory card 3. Or The MPEG4 decoder 204 decodes the bit stream data to obtain quantization coefficients and motion vectors, and supplies video data obtained by performing inverse DCT transform, motion compensation control based on motion vectors, and the like to the graphics controller 205. . The graphics controller 205 performs processing such as color adjustment on video data (for example, R, G, B data). The graphics controller 205 also performs processing for displaying characters or the like (operation buttons, menu screens, EPG screens based on program information acquired from terrestrial digital broadcasts), etc., instructed to be output from the CPU 209 on the liquid crystal display panel 202. The audio decoder 206 receives the audio code data in the bit stream from the MPEG4 decoder 204 and decodes it to generate audio data. The SDRAM 210 is used in the above processing of the MPEG4 decoder 204.
[0024]
The LCD controller 207 drives the liquid crystal display panel 202 based on the video data supplied from the graphics controller 205. The D / A converter 208 receives the audio data output from the audio decoder 206, performs D / A conversion, and generates a right (R) sound analog signal and a left (L) sound analog signal. This is given to the earphone 203.
[0025]
Operation information for the touch panel 211 is given to the CPU 209 via the dedicated interface 212 and the system bus 213. The CPU 209 grasps the contents of the command based on the correspondence between the operation information and the display of the operation buttons on the liquid crystal display panel 202, and executes necessary processing.
[0026]
The main body key 214 corresponds to the operation buttons (play / pause, stop, feed) related to viewing described above. Operation information for the main body key 214 is given to the CPU 209 via the interface 215 and the system bus 213. The CPU 209 executes necessary processing based on the operation information.
[0027]
In addition, a communication block 216 and an interface (for example, Bluetooth (trademark), etc.) 217 are provided to enable a wireless network. Further, a flash ROM 218 and an SDRAM 219 are also provided. The battery 221 is a secondary battery, and is supplied with electric power from the stationary peripheral device 1 and stored therein. The mobile phone unit 231 is used for normal phone calls.
[0028]
The CPU 209 also performs processing for a wireless network, data transmission / reception when the PHS data card 4 is installed in the slot 201, control of each functional unit based on received data, read / write control of the FlashROM 218 and SDRAM 219, and the like. ing. Further, when the user designates a received program (channel and time designation) using the touch panel 211 or the like, processing for storing the information in the memory card 3 is performed.
[0029]
FIG. 4 is a flowchart simply showing the contents of terrestrial digital broadcast reception processing by the portable viewing device 2. For example, on the liquid crystal display panel 202, items such as “view TV”, “record TV”, “reserve recording”, “play”, “use information terminal”, and “obtain program information” are displayed as menu screens. Is displayed, and when “view TV” is selected (YES in step S1), for example, an image showing a remote control is displayed on the liquid crystal display panel 202 for channel selection, and the user's pen input is performed. The tuner is controlled to receive the program of the designated channel (step S2), and the program is displayed based on the acquired bit stream data of the program (step S3). Then, for example, when the user performs a pen operation on the “power OFF” notation on the image representing the remote control, the broadcast reception process ends (YES in step S4).
[0030]
FIG. 5 is a flowchart simply showing the contents of terrestrial digital broadcast recording processing by the portable viewing device 2. When “Record TV” is selected (YES in step S11), input of channel selection information is accepted (step S12). If the memory card 3 is set (YES in step S13), the channel selection is performed. It is determined whether the recording start time in the information coincides with the current time (step S14). If the recording start time is reached, recording is performed on the memory card 3 (step S15), and if the recording end time is reached (step S14). In S16, the recording process is terminated.
[0031]
FIG. 6 is a flowchart simply showing the contents of the reproduction processing by the portable viewing device 2. When “Play” is selected (YES in step S21) and the playback button of the portable viewing device 2 is further turned on (YES in step S22), the presence / absence of the memory card 3 and the encoded video / audio data The presence / absence is determined (steps S23 and S24). If both are YES, the operation state of the stop button or pause button is determined (step S25). If there is no stop operation, the encoded video / audio data is stored in the memory card 3. (Step S26), and if the reproduction by the encoded video / audio data is finished (YES in step S27), the reproduction process is finished.
[0032]
The processing by the CPU 209 will be further described. By mounting the PHS data card 4 in the slot 201, page browsing using electronic mail or the Internet can be performed. Therefore, the portable viewing device can be used as a network terminal in addition to watching TV or playing a video player. FIG. 7 is a flowchart simply showing the contents of information terminal processing by the portable viewing device 2. When “use information terminal” is selected (YES in step S31), for example, items such as “mail” and “internet” are displayed on the liquid crystal display panel 202, and the item is selected by the user. (YES in step S32), it is determined whether or not the PHS data card 4 is attached (step S33). If it is attached, processing according to the item selected by the user is executed (step S34), and the end condition If it is satisfied, the process ends (step S35).
[0033]
For example, if there is a site that provides information on "Recommended Programs" on the Internet, connect to this site and obtain information on "Recommended Programs" by HTML file or e-mail. Can do. The operation at this time is, for example, as shown in FIG. 8A, when the “perform recording reservation” is selected, a lower item is displayed on the liquid crystal display panel 202, and the lower item is displayed. This is executed when the item “from program information” is selected. In this execution, as shown in the flowchart of FIG. 9, the program information can be acquired through the processing from step S41 to step S44, and as a result, as shown in FIG. A program list is displayed. In this state, the desired program is selected with the touch pen (YES in step S45), and when the reservation button is selected (YES in step S46), it is determined whether or not the memory card 3 is attached (step S47). Then, program information is written in the memory card 3 (step S48). When the “add” button is operated (step S49), the process proceeds to step S45. If it is determined that the memory card 3 is not installed, an error is displayed (steps S50 and S51). The program information is not limited to be written in the memory card 3, but may be written in the built-in memory. Further, the portable viewing device 2 can designate a program on the EPG screen and transmit the program information to the other portable viewing device 2 as the mail contents. It is also possible to record based on the program information received by mail in the same process.
[0034]
Further, the CPU 209 performs a reserved recording process based on the program information, and also sounds a notification sound or displays a message to the user when, for example, five minutes before the program start time according to the program information. Processing such as notification may be performed.
[0035]
Although not shown, position information can be acquired by incorporating a GPS chip or by loading a GPS card in the slot 201. GPS chips and GPS cards use mobile phone radio waves (for example, cdmaOne (trademark) radio waves) (called gpsOne (trademark)), and a plurality of base stations communicate with one mobile phone. In addition, the current position can be calculated with high accuracy by using the radio wave of the GPS satellite.
[0036]
The CPU 209 uses the network connection function described above to connect the current position of the portable viewing device 2 to, for example, “Nearby shop information site” on the Internet, and sends the position information to the site. “Nearby store information site” stores store information corresponding to the location information, and transmits store information to the portable viewing device 2 based on the location information from the portable viewing device 2. . As shown in FIG. 10, the portable viewing device 2 acquires store information, and first displays the list on the liquid crystal display panel 202 using a browser function or a mail function. When the user operates the notation of the desired store, the detailed information is displayed. Also, the site can transmit recommended program information in the local broadcast area based on the location information, and the portable viewing device 2 can immediately start viewing the program based on the program information.
[0037]
In addition, the CPU 209 uses the above-mentioned terrestrial digital broadcast reception function, recording / playback function, and PHS data card 4 to transmit the encoded video / audio data of the currently viewed program to another portable type that is an arbitrary destination. The portable video device which is transmitted to the viewing device 2 by using the PHS data card 4 or the like (synchronous viewing function) or is read out from the memory card 3 and reproduced is another portable device which is an arbitrary partner. By using the PHS data card 4 or the like for the viewing device 2, transmission (video file transmission function) can be performed. For example, some videophone standards transmit camera-captured video in MPEG4 format, but instead of the camera-captured video, read from MPEG4 encoded video / audio data or memory card 3 of the currently viewed program. The encoded video / audio data of MPEG4 that is being reproduced may be transmitted. It is also possible to send it to another portable viewing device 2 using an image transfer site, for example, via the net, or as an attached file of an e-mail. FIG. 11A shows an example of a screen by mail transmission of the portable viewing device 2 on the sender side, and FIG. 11B shows an example of a screen when requesting the synchronous viewing function of the portable viewing device 2 on the receiving side. Is shown.
[0038]
You may make it perform the said process, calling with an arbitrary other party. The telephone function unit 231 may be used for the telephone at this time. Of course, the PHS data card 4 or the next generation mobile communication system (for example, FOMA) may be used to make a voice call with the encoded video / audio data without using the telephone function unit 231. Also, the encoded video / audio data of the self-made video taken by the video camera is recorded in the memory card 3, and the encoded video / audio data read from the memory card 3 is stored in the PHS data card 4 or the next generation mobile communication system. It can also be sent to the portable viewing device 2 of the other party.
[0039]
Although not shown, the stationary peripheral device 1 is also provided with a communication block 216 and an interface (for example, Bluetooth (trademark), etc.) 217 provided in the portable viewing device 2, and a communication block and interface of the same standard. A wireless network may be established between the stationary peripheral device 1 and the portable viewing device 2. According to this, channel selection information can also be given from the portable viewing device 2 to the stationary peripheral device 1 via the wireless network. Also, such a wireless network can transmit bit stream data in MPEG4 from the stationary peripheral device 1 to the portable viewing device 2, and according to this, the portable viewing device 2 is currently broadcasting. You can watch analog broadcast video in real time. Note that the stationary peripheral device 1 and the portable viewing device 2 may be connected by a wired network, and channel selection information and bit stream data may be transmitted in the same manner as described above. Also, instead of sending bit stream data in MPEG4 from the stationary peripheral device 1 to the portable viewing device 2, a composite video signal (which may be a component video signal) is sent from the stationary peripheral device 1 to an AV terminal (or S terminal). Or the D terminal, etc.) may be sent to the portable viewing device 2.
[0040]
The broadcast is viewed in real time with the portable viewing device 2 mounted in the receiving recess 1c of the stationary peripheral device 1, and the operation buttons of the portable viewing device 2 are displayed on the stationary peripheral device 1 as shown in FIG. If the mobile device is hidden by the stationary peripheral device 1, the operation button is arranged in the same manner as the operation button so that the portable viewing device 2 can be operated on the stationary peripheral device 1 side. It may be. The operation information for the operation buttons of the stationary peripheral device 1 can be sent to the portable viewing device 2 using a wireless network, a wired network, or a wired network. Further, the stationary peripheral device 1 may be provided with a speaker. The received broadcast sound is output from the speaker of the stationary peripheral device 1, and the video is displayed on the liquid crystal display panel 202 of the portable viewing device 2. You may be able to do that.
[0041]
【The invention's effect】
As described above, according to the present invention, functions as a television receiver, a playback device, and a network terminal are realized by a single unit, and these functions can be integrated to improve usability. There is an effect that can be.
[Brief description of the drawings]
FIG. 1 is an external perspective view showing a mounting state of a portable viewing device and its peripheral devices constituting a broadcast viewing system of an embodiment of the present invention.
FIG. 2 is an external perspective view of a portable viewing device.
FIG. 3 is a block diagram showing a configuration of a portable viewing device and its peripheral devices.
FIG. 4 is a flowchart showing TV reception processing of the portable viewing device.
FIG. 5 is a flowchart showing TV recording processing of the portable viewing device.
FIG. 6 is a flowchart showing playback processing of the portable viewing device.
FIG. 7 is a flowchart showing network terminal processing of the portable viewing device.
FIGS. 8A and 8B are explanatory diagrams showing an example of a screen during network terminal processing of the portable viewing device.
FIG. 9 is a flowchart showing a recording process using program information acquired on the net in the portable viewing device.
FIG. 10 is an explanatory diagram showing an example of a store information acquisition screen during network terminal processing of the portable viewing device.
FIGS. 11A and 11B are explanatory diagrams showing an example of a screen during image transfer processing of the portable viewing device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Stationary peripheral apparatus 102 Tuner 108 MPEG4 encoder 113 Charging circuit 2 Portable viewing apparatus 202 Liquid crystal display panel 204 MPEG4 decoder 3 Memory card 4 PHS data card

Claims (3)

In a portable viewing device comprising: a tuner that receives a digital broadcast and obtains encoded video / audio data; and a means for decoding the encoded video / audio data to display video on a display and to output audio.
Communication means for network communication;
E-mail transmitting means for transmitting e-mail via the network;
Program information acquisition means for acquiring program information from the received digital broadcast or via the network;
Storage means for storing program data obtained by decoding the encoded video / audio data obtained by receiving the digital broadcast based on the program information;
Attaching means for attaching the program data to the e-mail;
In the above e-mail creation screen that is attached by attachment means, a portable viewing device, characterized in that displaying the said program information about the program data video and the program data on the same screen.   The portable viewing device according to claim 1, wherein the program information displayed on the e-mail creation screen is a program name of the program data.   3. The portable viewing device according to claim 1, wherein the program information displayed on the e-mail creation screen is channel information of the program data.

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