JP2004180088A - Portable viewing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable viewing device which enables a user to view television and is excellent in convenience. <P>SOLUTION: The portable viewing device 2 to be a receiving side receives an e-mail, and a CPU 209 analyzes a program name, an area, a frequency, a broadcasting time, etc., on the basis of description in the mail. Then, the CPU 209 collates EPG (electronic program guide) information acquired in the own-device with the analyzed information to determine whether the same broadcasting exists. If the same broadcasting exists, necessary information is given to a tuner 230 to receive a program. If a program based on program information obtained by the received mail is broadcasted later, the user can select preprogrammed recording/preprogrammed viewing. If a program of the same broadcasting is video-recorded on a memory card 3, the program is reproduced. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
[Industrial applications]
The present invention relates to a portable viewing device capable of viewing television and the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a portable television receiving apparatus has been provided, and such an apparatus receives a terrestrial analog broadcast using a built-in small tuner and projects a received image 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 memory card is loaded into a slot of a portable viewing device so that the user can enjoy the recorded video even on the go. You can do it. Encoded video data based on MPEG4 can be obtained by passing a video received by a normal television broadcast or a video captured by a handy camera through an MPEG4 encoder, or by downloading using the Internet. . In addition to such a function, a mobile phone function (a mail function, a browser function) may be provided. As a television receiving apparatus for receiving an e-mail, a television receiver that automatically displays an incoming e-mail on a monitor is known (see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2001-197385
[Problems to be solved by the invention]
As described above, with the advancement of video encoding technology and the miniaturization of equipment, it is possible to easily enjoy video even when away from home. In addition, a portable viewing device with excellent convenience is required. Have been.
[0005]
The present invention has been made in view of the above circumstances, and has as its object to provide a portable viewing device that is excellent in convenience.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems, a portable viewing device of the present invention includes a tuner that receives terrestrial digital broadcasting to obtain encoded video / audio data, and decodes encoded video / audio data supplied from the tuner. Means for displaying video on the display and outputting sound, means for receiving an e-mail by wirelessly connecting to a network, program information sent by e-mail and program information obtained from broadcast waves Means for executing processing for program reception by comparing
[0007]
With the above configuration, for example, even if the program information sent by e-mail is in the Kanto area and the sending side is in the Kansai area and the channel or program broadcast time is different, the collation can be performed. Thus, the corresponding program can be determined and viewed.
[0008]
The program information selected by the user on the received mail screen may be compared with the program information acquired from the broadcast wave to execute a process for receiving the program. This facilitates the selection of a plurality of pieces of program information in the received mail.
[0009]
When a program based on the program information by the received mail is broadcast later, it is preferable to display a confirmation message as to whether or not to perform the scheduled recording / viewing. Also, when the scheduled viewing is set, it is often configured to display a reconfirmation message as to whether to view the program at the start of the broadcast, and to execute a reception process when the confirmation is obtained. According to this, it is possible to prevent the battery from being consumed by performing the reception process even when the user is not watching (for example, the portable viewing device is in a bag). Further, it is preferable to include means for determining whether or not a program based on the program information by the received mail has been recorded, and means for notifying the user when the program has been recorded.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to FIGS.
[0011]
As shown in FIG. 1, the portable viewing device 2 has, for example, a cellular phone shape, and is configured to be driven by a battery. In addition, the portable viewing device 2 receives the terrestrial digital broadcast by the tuner 230 as shown in FIG. In addition, the encoded video / audio data is read from the memory card 3 inserted into the slot 201, the video is projected on the liquid crystal display panel 202, and the audio is output from the earphone 203. Operation buttons related to viewing (play / pause, stop, forward, volume, etc.), numeric keys, and the like are provided on the housing.
[0012]
The MPEG4 bit stream data stored in the memory card 3 is supplied to the MPEG4 video decoder 204 via the PCMCIA interface 220 and the system bus 213. The tuner 230 that receives the terrestrial digital broadcast extracts the MPEG4 bit stream data broadcasted by the terrestrial digital broadcast and supplies it to the MPEG4 video decoder 204 and the audio decoder (MPEG2-AAC) 206 or to the memory card 3. The data is supplied to the system bus 213 for recording. The MPEG4 video decoder 204 decodes the bit stream data to obtain a quantization coefficient and a motion vector, and supplies video data obtained by performing inverse DCT transform and motion compensation control based on the motion vector to the graphics controller 205. I do. 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 a process of displaying, on the liquid crystal display panel 202, characters and the like (operation buttons, a menu screen, an EPG screen based on program information obtained from terrestrial digital broadcasting, etc.) output from the CPU 209. The audio decoder 206 decodes audio code data in the bit stream to generate audio data. The SDRAM 210 is used in the above processing of the MPEG4 video decoder 204.
[0013]
The LCD controller 207 drives the liquid crystal display panel 202 based on the video data supplied from the graphics controller 205. Further, 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. Give to earphone 203.
[0014]
The main body key 214 corresponds to the operation buttons (play / pause, stop, forward) related to viewing described above, numeric keys, and the like. Operation information for the main body key 214 is provided to the CPU 209 via the interface 215 and the system bus 213. The CPU 209 performs necessary processing based on the operation information.
[0015]
In addition, a communication block 216 and an interface 217 are provided to enable a wireless network. Further, a flash ROM 218 and an SDRAM 219 are provided. The battery 221 is a secondary battery, which is supplied with power from a charger (not shown) and stores the power. The mobile phone unit 231 is used for a normal telephone.
[0016]
The CPU 209 also performs processing for a wireless network, data transmission / reception when the PHS data card 4 is inserted into the slot 201, control of each functional unit based on received data, read / write control of the FlashROM 218 and the SDRAM 219, and the like. ing.
[0017]
On the liquid crystal display panel 202, for example, menu screens such as "watch TV", "record TV", "record reservation", "play", "use as an information terminal", and "acquire program information" are displayed. When an item is displayed and “Watch TV” is selected, the tuner is controlled to receive a program on the channel specified by the user's input, and based on the acquired bit stream data of the program. Display the program.
[0018]
When the above-mentioned “recording on TV” is selected, the input of channel selection information is accepted, it is determined whether or not the recording start time in the channel selection information matches the current time. Recording on the memory card 3 is performed, and when the recording end time comes, the recording process ends.
[0019]
When the "play" is selected or when the play button of the portable viewing device 2 is turned on, the encoded video / audio data is read from the memory card 3 and the encoded video / audio data is reproduced.
[0020]
The processing by the CPU 209 will be further described. By attaching the PHS data card 4 to the slot 201, it is possible to browse pages using e-mail or the Internet. Therefore, the portable viewing device can be used not only as a television viewing device or a video reproducing device but also as a net terminal. When the “information terminal” is selected, for example, items such as “mail” and “internet” are displayed on the liquid crystal display panel 202. When the user selects an item, the PHS data card 4 is displayed. It is determined whether or not it is mounted, and if it is, processing according to the item selected by the user is performed.
[0021]
With the mail function, the program information of the program specified on the EPG screen or the like can be transmitted as mail contents. Here, when the program information is the content of the mail, the description is, for example, “* EPG ○ ×× EPG *”, and the information portion of XX in this description is the program name, region, frequency, broadcast time, etc. Insert information necessary for program selection (link information creation). FIG. 3A shows the processing on the transmission side in brief. When the program information is transmitted by mail, the link information is created (step S1), and the mail transmission processing is executed (step S2).
[0022]
As shown in FIG. 3B, the portable viewing device 2 on the receiving side receives the e-mail (step S3) and performs link information analysis (step S4). That is, the program name, region, frequency, broadcast time, and the like are analyzed from the character string between "* EPG" and "EPG *". Then, the EPG information acquired by the own device is compared with the analysis information (step S5), and it is determined whether or not the same broadcast exists (step S6). Then, if the same broadcast exists, the necessary information is given to the tuner 230 to receive the program (step S7), and if it is determined that the broadcast is scheduled for a later date, the recording / viewing reservation process is executed (step S8). If the broadcast has been recorded on the memory card 3, a reproduction process is executed (step S9). Here, in the collation, even when the region, frequency, broadcast time, and the like are different, when the program name matches, or when the program name and the broadcaster code match, it is determined that the broadcasts are the same. Alternatively, the receiving process may be performed in accordance with the corresponding own program information. Further, the determination result may be displayed on a screen so that the user can confirm it.
[0023]
When there are a plurality of pieces of program information in the received mail, a list of the program information is displayed on the received mail screen so that the user can select a program on the list. For this selection, for example, a method of operating a direction key to place a cursor on a program information description portion (changing a color) and operating a decision key can be considered. Then, the program information selected by the user and the program information obtained from the broadcast wave are collated to execute a process for receiving the program. This facilitates the selection of a plurality of pieces of program information in the received mail.
[0024]
In the above-described recording reservation / viewing reservation processing, a message screen asking the user which is to be selected or not is displayed, and the user is made to make a selection. In the case of the viewing reservation, when the broadcast starts (or one minute before, etc.), a notification is given to the user by a sound or a voice message, and the reception processing is performed when the user performs an operation for viewing again. It may be performed.
[0025]
The determination as to whether or not the broadcast has been recorded can be made by comparing the program information received by the mail with the information (program name or the like) of the recorded program on the memory card 3. In the playback, the playback process is automatically executed, and a message such as "This program is recorded" may be displayed in the playback screen, or "This program has been recorded." , Do you want to watch? "And a button" YES NO "may be displayed, and when the" YES "button is operated, the reproduction may be started.
[0026]
If none of the above cases applies, a message such as "there is no identical program" may be displayed.
[0027]
【The invention's effect】
As described above, according to the present invention, for example, even if the program information sent by e-mail is in the Kanto area and the broadcast side is different because the sender is in the Kansai area, The corresponding program is determined by the collation, so that the user can view the program.
[Brief description of the drawings]
FIG. 1 is an external perspective view showing a portable viewing device according to an embodiment of the present invention.
FIG. 2 is a block diagram of a portable viewing device.
FIG. 3A is a flowchart when the portable viewing device transmits an e-mail, and FIG. 3B is a flowchart when the e-mail is received.
[Explanation of symbols]
2 Portable viewing device 202 Liquid crystal display panel 204 MPEG4 video decoder 209 CPU
3 Memory card 4 PHS data card 2

Claims (5)

A tuner that receives terrestrial digital broadcasts to obtain encoded video / audio data, decodes the encoded video / audio data supplied from the tuner, displays the video on a display, and outputs audio, and a wireless network. Means for receiving an e-mail by connecting to the e-mail, and means for executing processing for program reception by comparing program information sent by e-mail with program information obtained from broadcast waves. A portable viewing device characterized by comprising: 2. The portable viewing apparatus according to claim 1, wherein the program information selected by the user on the received mail screen is compared with the program information acquired from the broadcast wave to execute a process for receiving the program. A portable viewing device characterized by being constituted. The portable viewing device according to claim 1 or 2, wherein when a program based on the program information by the received mail is broadcast at a later date, a confirmation message as to whether to perform scheduled recording / viewing is displayed. A portable viewing device characterized by being performed. 4. The portable viewing apparatus according to claim 3, wherein when the scheduled viewing is set, a reconfirmation message as to whether or not to view the program is displayed at the start of the broadcast, and the reception processing is executed when the confirmation is obtained. A portable viewing device characterized by being configured to: 5. The portable viewing apparatus according to claim 1, wherein a means for determining whether or not a program based on the program information by the received mail has been recorded, and a means for notifying a user when the program has been recorded, A portable viewing device comprising:

Images