JP2006211604A - Television receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the operability of a television receiver for playing the content data stored in the memory card. <P>SOLUTION: When a memory card set in a memory card slot 125 is detected, the main power of a television receiver 100 is turned on and the presence or absence of content data that can be played by an application saved in the television set 100 is checked. When there is content data that can be played, the corresponding application is started. Otherwise, a means is provided to display the content data. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to a television receiver having a function of reproducing content data such as images or sounds stored in a removable memory card, and more particularly, to detect that a memory card is attached and to supply power to the television receiver. The present invention relates to a television receiver configured to automatically start up a TV.

Digital still cameras equipped with an image sensor with a large number of pixels have become widespread, and there has been a demand from users to display captured images of image data on a large display means.

In order to satisfy this demand, television receivers having a function of displaying digital image data have also appeared on the market.

In general, a digital still camera is configured to record captured image data on a memory card that is detachably attached to the camera body, and a television receiver includes a slot for installing the memory card, JPEG (Joint Photo) recorded on the memory card
An application for playing and displaying specific files such as graphic Experts Group).

As described above, even in a television receiver having a function of displaying image data captured by a digital still camera, the main function is generally placed on viewing of a broadcast program, and the display of image data is auxiliary. For example, while watching a broadcast program, an operation for installing a memory card in a card slot, starting an application for displaying image data, and reading and displaying the image data in the memory card You need to follow the steps.

That is, in reality, there is no television receiver having a function of setting the image data display mode at the same time as the power is turned on. Therefore, if you want the television receiver with the power turned off to function as a viewer for image data taken with a digital still camera, either turn the power on and then install the memory card in the card slot, Alternatively, it is necessary to perform a process of starting an application after the power is turned on with the memory card mounted, and there is a problem that the operation is complicated.

An attempt to solve this problem is disclosed in Patent Document 1, which shows a technique for starting up the power supply of a television receiver in conjunction with mounting a memory card in a card slot. According to this, it is possible to obtain an effect that the operation is simplified, and further, at this time, whether or not a file that can be executed by an application installed in the television receiver exists in the memory card. If it is determined that there is no executable file, it is possible to improve usability by preventing the television power source from starting up.
JP 2004-326253 A

As described above, in a conventional television receiver having a function of displaying image data stored in a memory card, the power supply of the receiver is turned on by installing the memory card. However, there is a demand for whether or not a file that can be displayed on a television receiver actually exists in the memory card as a condition for starting up the power supply.

The present invention has been made in view of the above points, and detects that a memory card is inserted into a memory card slot of a television receiver that is in a power-off state, and turns on the power of the television receiver. When starting up, a television receiver with improved usability can be added by adding whether or not a file executable by an application built in the television receiver is stored in the memory card. The purpose is to provide a machine.

The television receiver of the present invention includes a card slot in which a memory card is detachably mounted, and a detecting means for detecting when a memory card is inserted into the card slot,
When the detection means detects that a memory card is inserted, a power control means for turning on the main power supply, a search means for searching for a file in the memory card inserted into the card slot, and the search means When a file of a specific format is detected, there is provided a means for automatically starting an application that executes the file of the specific format.

The television receiver according to the present invention includes a card slot in which a memory card is detachably mounted, a detecting means for detecting when a memory card is inserted into the card slot, and a card slot inserted into the card slot. When a file with a specific format is detected by the search means, the main power is turned on and an application that executes the file with the specific format is automatically started. It is characterized by comprising control means for raising.

Furthermore, the television receiver of the present invention includes a card slot in which a memory card is detachably mounted, and detection means for detecting that the memory card is inserted into the card slot and that the inserted memory card is removed. And a control means for turning off the main power if it is not detected that a memory card is inserted into the card slot even after a predetermined time has elapsed since the detection means detects that the memory card has been removed. It is characterized by comprising.

According to the present invention, when the memory card is installed, the power of the television receiver is turned on, and whether there is a content data file that can be played back by the application installed in the television receiver on the memory card. When the determination is made and there is no reproducible data file, the user is informed so that the usability is improved.

Hereinafter, an embodiment of a television receiver according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is a circuit block diagram showing an embodiment of a television receiver according to the present invention.

In FIG. 1, a television receiver 100 is configured as a so-called digital television receiver having a function of receiving a digital broadcast.
2 and the operation control unit 103 are provided as main components.

First, the receiving unit 101 will be described. The receiving unit 101 includes an antenna input terminal 105 connected to the broadcast receiving antenna 104 via a cable. The antenna input terminal 105 is
The tuner unit 106 is connected to the tuner unit 106, and performs processing such as demodulation and error correction on the received broadcast reception signal to generate digital data in a format called a transport stream (TS). Output to the Rambler 107. In the descrambler 107, when the TS from the tuner unit 106 has been scrambled for viewing restriction, the descrambler 107 releases the scramble and outputs it to the demultiplexer 108. A TS that is not scrambled is output as it is.

The demultiplexer 108 receives the TS from the TS input from the descrambler 107.
The video data and audio data for a plurality of channels, the electronic program guide (EPG) data, the data broadcast data, and the like that are time-division multiplexed are separated and extracted, the video data is derived to the video decoder 109, and the audio data is Derived to the audio decoder 110, the EPG data and the data broadcast data are output to the data stream processing unit 111.

The video decoder 109 performs MPEG (Moving Picture) on the input video data.
Experts Group) 2 is decoded and the decoded video data is output to the display control unit 112.

The audio decoder 110 performs MPEG2 decoding processing on the input audio data, and outputs the decoded audio data to a DAC (Digital Analog Converter) 113.

The data stream processing unit 111 processes the EPG data or the data broadcast data derived from the demultiplexer 108, sends the data to the screen configuration unit 114, and the screen configuration unit 114 generates display data for constructing the display screen. And output to the display control unit 112.
For this purpose, the data stream processing unit 111 and the image configuration unit 114 are connected to a main CPU (Central Processing Unit) 116 via a bus 115 and controlled by the main CPU.

The display control unit 112 selectively switches and outputs the video data from the video decoder 109 and the video data from the screen configuration unit 114, or outputs the video from the screen configuration unit 114 to the video from the video decoder 109. Combine and output. The switching is performed by the operation unit 103.
The display control unit 112 is connected to the main CPU 116 via the bus 115 for that purpose.

The output of the display control unit 112 is supplied to the video display unit 117 of the monitor unit 102 and displayed as a video.

Also, the DAC 113 converts the audio data supplied from the audio decoder 110 into an analog signal under the control of the main CPU 116 connected via the bus 115, and is an audio output unit configured by a speaker of the monitor unit 102, etc. It supplies to 118 and outputs as an audio | voice.

The main CPU 116 controls the entire receiving unit 101 and is connected to the memory 119 via a bus, and executes control processing for the receiving unit 101 based on various programs stored in the memory 119. The memory 119 also stores an application for processing (reproducing) a content data file stored in a memory card, which will be described later. Here, the content can be, for example, a moving image or audio information report in addition to a still image of a digital still camera, and what can process the content as an application is the memory 119. Is stored.

Next, the operation control unit 103 will be described. The operation control unit 103 is configured with a sub CPU 120 as a center, and the sub CPU 120 is directly connected to the main CPU 116.
Further, the sub CPU 120 is connected to the light receiving unit 122, the operation unit 123, and LE via the bus 121.
A D (Lighat Emitting Diode) 124 and a memory card slot 125 are connected.

The light receiving unit 122 receives a remote control signal sent from the remote controller 126 operated by the user, converts it into an electrical signal, and sends it to the CPU 114. Operation unit 12
2 is composed of a plurality of switches operated by the user, and a signal corresponding to the user's operation is sub-C.
Output to PU114. The LED 123 is applied as an indicator. Under the control of the sub CPU 120, the memory card mounted in the memory card slot 125 is
When there is no file that can be processed by the application stored in the memory 119,
This is applied to light up and notify the user of this, and details will be described later.

The memory card slot 125 is a slot in which a not-shown removable memory card is mounted, and a connector portion for electrical connection with the memory card and the bus 115,
An interface unit for deriving content data is provided. Connector is bus 12
1 is provided with a card detection pin (not shown) connected to the sub CPU via 1, and when the memory card is inserted into the memory card slot 125, the sub CPU 120 detects it.

Furthermore, the television receiver 100 includes a power supply circuit 127. Power supply circuit 127
Is configured to output two systems of power sources: a main power source supplied to the receiving unit 101 and the monitor unit 102, and a standby power source supplied to the operation control unit 103. The standby power supply is always output regardless of whether the television receiver 100 is in a power-on state or a power-off state.
The main power source is a power source that is output when the television receiver 100 is powered on.

The power supply circuit 127 is connected to the sub CPU 120 via the bus 121, and is processed when the user performs an operation of turning on the power of the television receiver 100 by the remote controller 126 or the operation unit 123 or by an application. When a memory card in which a possible image file is recorded is inserted into the memory card slot 125, the sub C
The PU 120 is switched to output the main power source.

When a file stored in a memory card inserted in the memory card slot 125 is processed and output, the data in the memory card is transferred to the main CPU 11 via the bus 115.
6, and an application corresponding to the file type is activated and processed.

In the case of an image file, the screen composition unit 114 and the display control unit 1 are used as video data.
12 is displayed as an image by the image display unit 117. In the case of an audio information file, the audio output unit 1 is converted into an analog signal by the DAC 113.
18 is output as sound.

In the television receiver 100 configured as described above, the operation after the memory card is inserted into the memory card slot 125 will be described with reference to the flowchart of FIG.

When a memory card is inserted into the memory card slot 125 (step S201), the potential of the card detection pin of the memory card slot 125 changes. The sub CPU 120 detects the change in the potential and recognizes that the memory card has been inserted (step S202).
.

When detecting the insertion of the memory card, the sub CPU 120 controls the power supply circuit 127 to turn on the main power supply of the television receiver 100 (step S203). In addition, the television receiver 100
After the main power is turned on, the sub CPU 120 notifies the main CPU 116 that a card is inserted in the memory card slot 125 (S204).

When notified that the memory card is inserted, the main CPU 116 searches for a file in the memory card (S205), and detects whether there is a file that can be reproduced by the application (S206). When there is a file that can be reproduced by the application, the main CPU 116 activates an application for reproducing the file, and reproduces the file read from the memory card (S207).

For example, when a file such as a still image (JPEG: Joint Photographic Experts Group) exists in the memory card, an image display application is activated and the still image is displayed on the screen through the display control unit 112. If there is a music (MP3, etc.) file, a music playback application is started and the decoded data is played back through the DAC 113.

When there is no file that can be played back by the application in the memory card, the main CPU 116 makes full use of the image construction unit 114 to display, for example, “There is no file that can be played back” through the display control unit 117 and notify the user. (S208).

As described above, when the sub CPU 120 detects the insertion of the memory card into the memory card slot 125, the sub CPU 120 controls the power supply circuit 127 to turn on the main power of the television receiver, and the card is inserted into the main CPU 116. To be notified. Main CP
The U 116 searches for a file in the card and starts an application for reproducing the file, so that even if the television receiver 100 is in the standby power state, the file is automatically inserted by inserting the memory card. Playback can be performed.

Next, a second embodiment of the television receiver according to the present invention will be described. In the first embodiment shown in FIG. 2, when the sub CPU 120 detects that a removable memory card is inserted into the memory card slot 121, the main power of the television receiver 100 is turned on. If there is no file that can be played back by the application, the main power of the television receiver is simply turned on, and the application is not played back. Since there is no point in starting the main power supply, if the main power supply of the television receiver 100 is turned on only when there is a file that can be played back by an application in the removable memory card, the usability is improved. is there.

The process will be described with reference to the flowchart shown in FIG. When the memory card is inserted into the memory card slot 125 (S301), the sub CPU 120 detects the insertion of the memory card into the memory card slot 125 (S302), and then searches for a file in the memory card (S303). It is determined whether there is a file that can be reproduced by the application (S304).

When a reproducible file is detected, the sub CPU 120 controls the power supply circuit 127 to turn on the main power supply of the television receiver (S305), and a file reproducible by an application is stored in the memory card attached to the main CPU 116. Notify that there is (S306
). Upon receiving the notification, the main CPU 116 starts an application for reproducing the detected file (S307), and reproduces the file read from the memory card.

If there is no reproducible file, the sub CPU 120 does not turn on the main power of the television receiver, turns on the LED 119 (or blinks) (S308), and there is a file reproducible by the application in the attached memory card. Notify the user that there is not.

As described above, the main power of the television receiver is turned on only when the sub CPU 120 detects a reproducible file in the memory card, so that there is no file to be reproduced by the application. It is possible to avoid turning on the main power.

A third embodiment of the television receiver 100 according to the present invention will be described. Third
In this embodiment, when it is detected that a memory card has been inserted into the memory card slot 125 and the main power supply of the television receiver is turned on, it is subsequently detected that the memory card has been removed from the memory card slot 125. Thus, the main power supply of the television receiver is turned off. This is not for watching TV broadcasts when the main power is turned on by inserting a memory card, but for the purpose of playing files in the memory card. The main power of the television receiver is turned off.

The process of the third embodiment will be described with reference to the flowchart shown in FIG. In FIG. 4, the processing from S401 to S405 and S418 is the same as S in the flowchart shown in FIG.
This is the same processing from 301 to S305 and S308.

When the sub CPU 120 turns on the main power of the television receiver in S405, the sub CP
U120 sets an internal flag indicating that the main power supply is turned on by inserting the memory card (
S406). When the memory card is removed from the memory card slot 125 (S409), the potential of the card detection pin of the memory card slot 125 changes. The sub CPU 120 detects the change in the potential and recognizes that the card has been removed (S410). When the internal flag indicating that the main power supply is turned on by inserting the memory card is set, the sub CPU 120 starts measuring time based on when the card is removed (S412). This is because even when you switch to a different card and play the file, the operation of removing the card occurs.
This is because the main power supply is turned off when a card insertion is not newly detected even after a certain period of time has passed since the removal of the card, so that the main power supply is not turned off when the card is removed for card replacement.

When a certain period of time has elapsed after detecting the removal of the card, it is determined that the user has finished the purpose of reproducing the file in the memory card, and the sub CPU 120 controls the power supply circuit 127 to control the main power supply of the television receiver. Is turned off (S414). If a new card is inserted before a certain period of time has passed since the removal of the card was detected, the main CPU 116 searches for a file in the memory card (S415), and if there is a playable file, the playback application is started. And play it back (S416). If there is no reproducible file, the user is notified via the display control unit 112 (S417).

As described above, when it is detected that a memory card has been removed from the memory card slot 125 and there is no card in the memory card slot 125 for a certain period thereafter, the sub CPU 120 controls the power supply circuit 127. The television receiver 10
By turning off the main power of 0, the main power of the television receiver can be automatically turned off after the file reproduction in the memory card is finished.

Next, a fifth embodiment will be described. In this embodiment, after detecting that a memory card is inserted into the memory card slot 125 and turning on the main power of the television receiver 100, an application for inserting / removing a memory card or playing a file in the memory card is used. When an operation other than the operation is performed, the process of turning off the main power of the television receiver is not performed after a certain period of time from the removal of the card described in the fourth embodiment.

This means that operations other than card insertion / removal or playback application operations may have changed the usage of the television receiver from viewing a file on the memory card to viewing a broadcast program. This is because if the main power supply of the television receiver is automatically turned off by the insertion / extraction, inconveniences such as turning off the power supply during viewing will occur.

The fifth embodiment will be described with reference to the flowchart shown in FIG. In FIG. 5, the processing from S601 to S608 and S612 is performed in S40 of the flowchart shown in FIG.
It is the same as the processing from 1 to S408 and S418.

When the remote controller 126 or the operation unit 123 is operated, the sub CPU 120 determines whether or not the operation content is an operation of a card insertion / removal or a reproduction application (S
609). If the operation is other than the card insertion / removal operation or the reproduction application operation, the sub CPU 120 masks an internal flag indicating that the main power supply is turned on by card insertion (S610). Therefore, the power supply circuit 127 is not automatically turned off even when a memory card does not exist in the memory card slot 125 for a certain period thereafter.

As described above, when an operation other than the card insertion / removal operation or the playback application operation is performed, the internal flag indicating that the main power is turned on by mask insertion is masked, so that a state in which no card exists for a certain period of time continues. However, the control for automatically turning off the power supply circuit 122 is not performed, and it is possible to prevent the main power supply from being automatically turned off during the television viewing.

As described above, if the insertion of a memory card is detected when the television receiver is in the standby power state, an application that automatically turns on the main power of the receiver and plays a specific file is displayed. Start up and play the file, and if there is no file that can be played by the application on the memory card, by notifying that,
There is no need for the user to bother to turn on the main power and insert the card.

In the second embodiment, the main power of the television receiver is turned on only when the sub CPU 120 detects a file that can be played back in the memory card, so that the television can be played even though there is no file to be played back by the application. It is possible to avoid turning on the main power of the receiver.

Furthermore, in the third embodiment, when it is detected that a memory card has been removed from the memory card slot 125 and there is no card for a certain period thereafter, sub C
By controlling the power supply circuit 122 by the PU 120 and turning off the main power of the television receiver, the main power of the television receiver can be automatically turned off after the file reproduction in the removable memory card is finished. .

Furthermore, in the fourth embodiment, when an operation other than the card insertion / removal operation or the playback application operation is performed, an internal flag indicating that the main power supply is turned on by inserting the memory card is masked, so that the memory card slot is fixed. Even if a state in which no memory card exists for a period continues, control for automatically turning off the power supply circuit 127 is not performed, and it is possible to prevent the main power supply from being automatically turned off while viewing the broadcast number.

The present invention is not limited to the embodiment described above, and various modifications can be made without departing from the spirit of the present invention.

The circuit block diagram shown in order to demonstrate one Embodiment of the television receiver concerning this invention. The flowchart shown in order to demonstrate one Embodiment of the television receiver concerning this invention. The flowchart shown in order to demonstrate other embodiment of the television receiver concerning this invention. The flowchart shown in order to demonstrate further another embodiment of the television receiver concerning this invention. The flowchart shown in order to demonstrate the further another form of the television receiver concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 ... Television receiver 101 ... Reception part 102 ... Monitor part 103 ... Operation control part 104 ... Antenna 105 ... Antenna input terminal 106 ... Tuner part 107 ... Descrambler 108 ... Demultiplexer 109 ... Video decoder 110 ... Audio decoder 111 ... Data Stream processing unit 112 ... Display control unit 113 ... DAC (digital / analog converter)
114 ... Screen configuration unit 115 ... Bus 116 ... Main CPU
117 ... Video display unit 118 ... Audio output unit 119 ... Memory 120 ... Sub CPU
121 ... Bus 122 ... Light receiving unit 123 ... Operation unit 124 ... LED
125 ... Memory card slot 126 ... Remote controller 127 ... Power supply circuit

Claims (4)

A card slot in which a memory card is detachably mounted;
Detecting means for detecting when a memory card is inserted into the card slot;
A power control means for turning on the main power when the detection means detects that the memory card is inserted;
Search means for searching for a file in the memory card inserted in the card slot;
A television receiver, comprising: means for automatically starting an application for executing a file of a specific format when a file of a specific format is detected by the search means. A card slot in which a memory card is detachably mounted;
Detecting means for detecting when a memory card is inserted into the card slot;
Search means for searching for a file in the memory card inserted in the card slot;
A television comprising control means for automatically turning on an application for executing a file of a specific format while turning on the main power when a file of a specific format is detected by the search means Receiver. A card slot in which a memory card is detachably mounted;
Detecting means for detecting that a memory card is installed in the card slot and that the installed memory card is removed;
A control means for turning off the main power when it is not detected that a memory card is inserted into the card slot even after a predetermined time has elapsed since the detection means detects that the memory card has been removed;
A television receiver comprising: The control means does not execute the main power-off process when the memory card is inserted into the card slot or other operations are performed before the predetermined period elapses. The television receiver according to claim 3.

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