JP2004312475A - Portable apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable apparatus which enables a user to watch television so as to recognize the currently selected channel at a glance without needing a key operation and without displaying a channel number on a displaying part. <P>SOLUTION: The portable apparatus has a television broadcasting receiving part for receiving television broadcasting and an operation inputting part for selecting a receiving channel. The operation inputting part includes a plurality of channel keys for selecting television channels, each of the channel keys has an illuminating part for making each key emit light, and a channel key corresponding to a selected channel is made to emit light. Ten keys are made to emit light in a plurality of colors, and a channel on which the user watch television is displayed by making a ten key emit light. In such a case, respective digits of a channel number are made to emit light in different colors or by different flickering methods to thereby represent many channels by ten keys, enabling the user to recognize the channel numbers at a glance. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
[Industrial applications]
The present invention relates to a portable device having a TV broadcast receiver.
[0002]
[Prior art]
A mobile phone is a typical example of a mobile device. As shown in FIG. 5, a mobile phone generally includes an antenna (18) for transmitting and receiving a radio telephone signal, a receiving unit (51) for decoding a received signal, and coding for transmitting a signal. (52), a duplexer (53) for switching between transmission and reception, a speaker (9) for outputting a received audio signal, a non-audio signal such as a received mail, etc. A display unit (8) for displaying information; a key input unit (13) including a keypad used for various operations such as reception response, calling, transmission operation, mail operation, and setting operation of various functions. ), A storage unit (54) for storing various information such as telephone directory information and received mail, a microphone (17) for inputting voice to be transmitted, and control of the entire system and various data processing. And a control unit of the fried (3).
[0003]
Here, as shown in JP-A-2002-109988, the key input unit (13) has a known configuration as shown in FIG. The button key (62) of the key input unit includes a thin film button key rubber (63) formed of silicon rubber or the like, and a plurality of key bodies (64) made of resin arranged on the button key rubber (63). It is composed of
[0004]
The button key rubber (63) urges the key body (64) provided on the upper surface upward, and a conductive projection (63A) protrudes on the lower surface for each key body (64). When the key body (64) is pressed, the projection (63A) comes into contact with the conductive pattern provided on the substrate (61), and the conductive pattern is made conductive.
[0005]
An LED (65) for illuminating only a specific button key from below is provided below the specific button key among the button keys (62). The LED (65) is mounted on the substrate (61) so that only specific button keys can be illuminated from below by flashing different colors or lights, and generated by the LED (65). A diffusion prevention member (63B) is provided to prevent the emitted light from diffusing to the surroundings, especially to the adjacent button key side.
[0006]
The anti-diffusion member (63B) has a substantially U-shape, is integrally formed on the lower surface of the button key rubber (63), and is adhered to the upper surface of the substrate (61). Is not leaked to the adjacent button key side.
[0007]
These LEDs (65) are controlled on / off, emission color, blinking method, and the like by a control signal of a control unit.
[0008]
On the other hand, displaying a currently viewed channel on a screen in a normal television receiver is well known.
[0009]
[Patent Document 1]
JP-A-2002-10998 [0010]
[Problems to be solved by the invention]
A conventional portable television also has a key input unit as described above, and a channel can be selected using the key input unit. However, since the key input unit does not emit light, for example, while watching a television, in order to check the currently viewed channel, the only way to operate the key input unit is to display the channel number on the display unit. Key operation was required.
[0011]
Furthermore, when a channel number is displayed on the display unit, in a portable television having a small screen, displaying the channel number is troublesome for viewing a television program.
[0012]
In view of the above, the present invention proposes a television-viewable portable device that does not require a key operation and does not display a channel number on a display unit so that a currently selected channel can be recognized at a glance. With the goal.
[0013]
[Means for Solving the Problems]
The present invention has been made in view of the above problems, and has a television broadcast receiving unit for receiving a television broadcast, and an operation input unit for selecting a channel to be received. Is a portable device that includes a plurality of channel keys for selecting a key, the channel keys have respective lighting units for emitting the respective keys, and emit a channel key corresponding to the selected channel.
[0014]
Further, the channel key is configured by a numeric keypad, and the illumination unit can emit light of a plurality of colors.
[0015]
further. The channel key can emit light in a different color for each digit, or can have a different light emission format for each digit.
[0016]
Here, when the numerical value of each digit to be emitted overlaps, the light can be emitted in the emission color or emission format of the highest digit.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
[0018]
FIG. 1 shows a functional block diagram of a television broadcast receiver according to an embodiment of the present invention. As shown in the figure, a television broadcast wave received by an antenna (1) is tuned by a tuner (2), and a broadcast signal obtained by this is supplied to a control unit (3) and is supplied to a control unit (3). And audio data are separated. An audio decoder (4), an audio processing circuit (5), a video decoder (6), and a video processing circuit (7) are connected to the control unit (3), and the video separated by the control unit (3). The data is supplied to a video decoder (6) and decoded, and then supplied to a video processing circuit (7) to be subjected to predetermined signal processing, and a video signal obtained by this is supplied to a display unit (8). Is done. As a result, the video of the television broadcast program is displayed on the display unit (8). On the other hand, the audio data separated by the control unit (3) is supplied to an audio decoder (4) and decoded, and then supplied to an audio processing circuit (5) and subjected to predetermined signal processing. The audio signal thus obtained is supplied to the speaker (9). As a result, the sound of the television broadcast program is output from the speaker (9).
[0019]
In addition, a recording memory (10) for storing video data and audio data obtained from the control unit (3) as described above is connected, and a program for executing an operation as a broadcast receiver is stored. A ROM (11) and a RAM (12) for storing various information such as timer recording information are connected.
[0020]
In the device of the present invention, various operations such as channel selection are performed by the key input unit (13), and the input signals are interpreted by the control unit (3). And the control part (3) controls operation | movement of the apparatus of this invention so that operation | movement as mentioned above can be performed. Here, the key input unit (13) has a structure as shown in FIG. 6, and since the structure in FIG. 6 has already been described, its description is omitted here.
[0021]
Here, an external view of the device of the present invention is shown in FIG. As shown in FIG. 2, the key input unit (13) is provided with a key for a mobile phone, such as a cross key (21), an enter key (22), an F key (23), a call key (24), and a television viewing key. And a recording key (26) for starting recording, a power key (26), and a numeric keypad (27). By performing the operation, the channel is selected. By pressing the numeric keypad (27) of the key input unit (13) in this manner, a channel can be selected. When the channel selection is completed, an illuminating unit (5) such as an LED arranged below the numeric keypad as shown in FIG. 8 is illuminated so as to indicate the selected channel so that the selected channel can be identified.
[0022]
More specifically, FIG. 3 shows an example of a ten-key light emitting method. As shown in the figure, when the selected channel is a single-digit channel of 1 to 9, a key corresponding to the channel number is made to emit light. FIG. 3 illustrates a case where a three-color LED is used as the illumination unit (5). In the case of a single-digit channel, the corresponding channel number is caused to emit green light.
[0023]
Furthermore, in the example of FIG. 3, when the channel is selected to a numerical value larger than 10, the numerical value of the tens digit is emitted in red and the numerical value of the 1's digit is emitted in green, so that the two keys are turned on. The channel number is expressed by emitting light. At this time, when the numerical values of the tens place and the ones place are the same, for example, for the eleventh channel, the numerical value 1 is expressed by emitting red and green alternately.
[0024]
In addition, for a three-digit channel, the 100th place is blue, the 10th place is red, and the 1st place is green. When red and green are alternately emitted, and when the tens place and the hundreds place have the same numerical value, the value is alternately emitted with blue and red, and when the 1s and 100s places are the same numerical value, The numerical value emits blue and green alternately, and when all three digits have the same numerical value, the numerical value is expressed as blue.
[0025]
When a program stored in the image memory is to be reproduced, a video can be expressed by emitting 0 in green.
[0026]
In the above embodiment, the selected channel is expressed by making the emission color of each digit different, but a method of changing the emission pattern for each digit may be used. For example, there is a method of blinking the tens place and making the blinking cycle of the tens place longer than the tens place.
[0027]
Also, the channel may be expressed by combining the blinking method and the color.
[0028]
As described above, the present invention is a technique for expressing the selected channel by causing the key input unit to emit light in some form, and the light emitting method is not limited to the above, and any method may be used. I do not care.
[0029]
Next, FIG. 4 shows a system configuration diagram of a portable television receiver having a portable telephone function as shown in the external view of FIG. The portable television receiver having a portable telephone function is not limited to the form shown in FIG. 2, but includes various shapes in the present invention. However, as shown in FIG. Is the same.
[0030]
As shown in FIG. 4, with respect to television reception, a television broadcast wave received by an antenna (1) is tuned by a tuner (2), and a broadcast signal obtained thereby is supplied to a control unit (3). Then, the video data and the audio data are separated. An audio decoder (4), an audio processing circuit (5), a video decoder (6), and a video processing circuit (7) are connected to the control unit (3), and the video separated by the control unit (3). The data is supplied to a video decoder (6) and decoded, and then supplied to a video processing circuit (7) to be subjected to predetermined signal processing, and a video signal obtained by this is supplied to a display unit (8). Is done. As a result, the video of the television broadcast program is displayed on the display unit (8). On the other hand, the audio data separated by the control unit (3) is supplied to an audio decoder (4) and decoded, and then supplied to an audio processing circuit (5) and subjected to predetermined signal processing. The audio signal thus obtained is supplied to the speaker (9). As a result, the sound of the television broadcast program is output from the speaker (9). In this case, headphones or earphones may be used instead of the speakers.
[0031]
In addition, a recording memory (10) for storing video data and audio data obtained from the control unit (3) as described above is connected, and a program for executing an operation as a broadcast receiver is stored. A ROM (11) and a RAM (12) for storing various information such as timer recording information are connected.
[0032]
In the device of the present invention, various operations such as channel selection are performed by the key input unit (13), and the input signals are interpreted by the control unit (3). And the control part (3) controls operation | movement of the apparatus of this invention so that operation | movement as mentioned above can be performed. Here, the key input unit (13) has a structure as shown in FIG. 6, and since the structure in FIG. 6 has already been described, its description is omitted here.
[0033]
On the other hand, as a mobile phone function, a radio signal related to telephone communication is received by an antenna (18), and the RF unit (14) performs frequency down-conversion and demodulates the radio signal according to a modulation method. Generally, a QPSK method is used as a modulation method. Further, the demodulated signal is subjected to a decoding process in a BB (baseband) unit (15) in accordance with a communication mode represented by PHS, PDC, GSM, CDMA, or the like. The telephone signal thus demodulated is separated into a video signal and an audio signal by the control unit (3). The video data separated by the control unit (3) is supplied to a video decoder (6) and decoded, and then supplied to a video processing circuit (7) to be subjected to a predetermined signal processing to be obtained. The supplied video signal is supplied to the display unit (8). As a result, an image in telephone communication such as a videophone is displayed on the display unit (8). On the other hand, the audio data separated by the control unit (3) is supplied to an audio decoder (4) and decoded, and then supplied to an audio processing circuit (5) and subjected to predetermined signal processing. The audio signal thus obtained is supplied to the speaker (9). As a result, sound in telephone communication is output from the speaker (9). In this case, headphones or earphones may be used instead of the speakers.
[0034]
The voice of the user is picked up by the microphone (17), and when the user wants to send an image, the image is captured by the camera (16). The voice input by the microphone (17) is subjected to voice coding such as CELP required for transmission in the voice processing circuit (5), and is converted into a data form required for transmission. The image captured by the camera unit (16) is subjected to compression processing such as JPEG for a still image and MPEG for a moving image in a video processing circuit (7), and is converted into a data form required for transmission. The audio signal and the image signal thus processed are combined in the control unit (3), and the BB unit (15) performs an encoding process according to a communication mode such as PHS, PDC, GSM, and CDMA. Then, the necessary modulation processing is performed in the RF unit (14), and at the same time, the frequency is up-converted and transmitted from the antenna (18) to a base station (not shown).
[0035]
As described above, the display unit (8) and the speaker (9) can be shared for receiving television broadcasts and telephone communication. At this time, for example, even during a telephone call, the ten-key light emission as shown in FIG. 3 is performed as described above, thereby confirming what channel selection state the television tuner unit (2) is in at that time. be able to.
[0036]
Also, as described in Japanese Patent Application No. 2003-72641, in the case of performing telephone communication while watching TV, the user can easily know the TV channel during the viewing by the light emission of the ten keys as described above.
[0037]
【The invention's effect】
The present invention has a television broadcast receiving unit for receiving a television broadcast, and an operation input unit for selecting a channel to be received, and the operation input unit has a plurality of channel keys for selecting a television channel. In addition, the channel key is a portable device that has each lighting unit for emitting each key and emits a channel key corresponding to a selected channel.
[0038]
Therefore, the device of the present invention can recognize the currently selected channel at a glance without requiring any key operation and without displaying the channel number on the display unit.
[0039]
Further, if the channel key is constituted by a numeric keypad, and the illuminating section is capable of emitting light of a plurality of colors, the above-mentioned effect becomes more remarkable.
[0040]
Further, the channel key emits light in a different color for each digit, or the channel key controls the light emission format to be different for each digit, thereby further facilitating channel recognition.
[0041]
When some or all of the numerical values of each digit of the channel are the same, to indicate that one key represents two or more digits, the emission color or emission of the most significant digit is expressed. By emitting light in a format, all channel numbers can be recognized with a small number of keys.
[Brief description of the drawings]
1 is a system block diagram of the present invention. FIG. 2 is an external view of the present invention. FIG. 3 is an example of a light emitting method of the present invention. FIG. 4 is a block diagram of a second embodiment of the present invention. [Figure 6] Structural diagram of keypad [Description of symbols]
Reference Signs List 1 TV antenna 2 TV tuner 3 Control unit 4 Audio decoder 5 Audio processing unit 6 Video decoder 7 Video processing unit 8 Display unit 9 Speaker 10 Recording memory 11 ROM
12 RAM
13 Key Input Unit 14 RF Unit 15 BB Unit 16 Camera 17 Microphone 18 Mobile Phone Antenna 21 Cross Key 22 Enter Key 23 F Key 24 Talk Key 25 TV Key 26 Power Key 27 Numeric Key 28 Recording Key 51 Receiver 52 Transmitter 53 Duplexer 54 Storage unit 61 Substrate 62 Button key 63 Button key rubber 63A Conductive protrusion 63B Diffusion preventing member 64 Key body 65 LED

Claims (6)

A television broadcast receiving unit for receiving a television broadcast, and an operation input unit for selecting a channel to be received,
The operation input unit includes a plurality of channel keys for selecting a television channel, the channel keys have respective lighting units for causing each key to emit light,
A portable device that emits a channel key corresponding to the selected channel. 2. The portable device according to claim 1, wherein the channel key comprises a numeric keypad. The portable device according to claim 1, wherein the lighting unit is capable of emitting light of a plurality of colors. The portable device according to claim 3, wherein the channel key emits light in a different color for each digit. The portable device according to claim 1, wherein the channel key has a different light emission format for each digit. The portable device according to claim 1, wherein when the numerical value of each digit to be illuminated overlaps, the luminous color or luminous form of the highest digit is emitted.

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