JP4963005B2 - Display device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a display device separate from the information processing device that displays an image in accordance with image data transmitted from the information processing device.
[0002]
[Prior art]
In a conventional personal computer system, when viewing or editing image data captured by a digital camera or the like and stored in a memory card, the memory card is inserted into a memory card slot owned by a PC (personal computer) main body, and the PC main body is inserted. The image data stored in the memory card must be read out and transmitted to the monitor by the corresponding application program stored, and displayed.
[0003]
For example, Japanese Patent Application Laid-Open No. 11-177933 discloses a direct viewer that reads image data stored in a memory card independently of the PC main body and outputs the read image data to a PC monitor or another monitor. .
[0004]
[Problems to be solved by the invention]
Thus, conventionally, when viewing or editing image data stored in a storage medium used by the PC main body as an external storage device, the PC main body is turned on, and the corresponding application program Is a requirement, and the work required to display or edit the image data stored in the storage medium is troublesome. Further, when another application program such as an electronic mail is being executed, in order to browse or edit the image data stored in the storage medium, it is necessary to interrupt the running application program.
[0005]
In the direct viewer disclosed in Japanese Patent Application Laid-Open No. 11-177933, the image data stored in the memory card can be read out independently of the PC main body, but the image data stored in the memory card is used. Cannot be viewed or edited alone.
[0006]
SUMMARY An advantage of some aspects of the invention is that it provides a display device that realizes a computer system that can be easily operated for browsing or editing data stored in a device used as an external storage device by an information processing device. .
[0007]
[Means for Solving the Problems]
In order to achieve the above object, in the present invention, display is performed according to data transmitted from the information processing device, and in a display device that is separate from the information processing device,
Control means for controlling the operation of the entire display device;
Storage means in which the storage medium is detachable from the display device;
Interface means for selectively connecting the information processing apparatus and the control means to the storage means,
When the control means is connected to the storage means by the interface means, it has a function of controlling to read and display data stored in the storage means.
[0008]
At this time, the interface means detects whether or not the information processing apparatus is using the storage means, and only when the information processing apparatus is not using the storage means, the control means controls the storage means. Means may be connected.
[0009]
Further, a command input means for a user to input a command to the control means is provided, and the control means performs control according to a command input from the user via the command input means. Also good.
[0010]
In addition, a second storage unit that is a storage unit different from the storage unit is provided, and the interface unit alternatively connects the information processing apparatus and the control unit to the storage unit and the second storage unit. When the control means is connected to the storage means and the second storage means by the interface means, data is copied between the storage means and the second storage means. It may be configured to have a function of controlling to perform the above.
[0011]
For example, image data is stored in the storage means. At this time, when the control means is connected to the storage means by the interface means, it may have a function of controlling to display a list of all image data stored in the storage means. .
[0012]
In addition, when all the image data stored in the storage unit is displayed as a list, the image data stored in the storage unit is controlled to be edited in accordance with a command input by a user. The control means may have a function.
[0013]
In addition, a second storage unit that is a storage unit different from the storage unit is provided, and the interface unit alternatively connects the information processing apparatus and the control unit to the storage unit and the second storage unit. When the control means is connected to the storage means and the second storage means by the interface means, the image data stored in the storage means and the first The image data stored in the second storage means may be combined, and the image data obtained thereby may be controlled to be stored in the storage means or the second storage means.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an external view of a personal computer system 10 using a display device 30 of the present invention. FIG. 2 is a cross-sectional view of the monitor (display device) 30. The personal computer system 10 includes a personal computer main body (hereinafter referred to as “PC main body”) 20, which is an information processing apparatus, a monitor 30, a data communication cable 40 connected between the PC main body 20 and the monitor 30, and The monitor 30 is composed of a remote controller 50 for the user to operate independently of the PC main body 20.
[0015]
The storage device inside the PC main body 20 stores application programs such as various data processing, the Internet, electronic mail, and image editing. The PC 20 and the monitor 30 are separate bodies and are driven by separate power supply devices (not shown).
[0016]
The monitor 30 includes a liquid crystal display panel 31 as display means, a monitor control unit 32 that controls the overall operation of the monitor 30, and an operation key unit 33 that allows the user to operate the monitor 30 independently of the PC body 20. A remote control receiving unit 50R that receives a signal transmitted from the remote controller 50 and a memory card slot 324 for mounting a memory card 326, which is a card-like storage medium, are provided.
[0017]
The monitor 30 incorporates a USB (Universal Serial Bus) hub, and a mouse 34 for operating the PC main body 20 is connected to the USB hub. The liquid crystal display panel 31 is pivotally supported by the chilled hinge mechanism 36 so as to be pivotable up and down, thereby improving the operability when adjusting the viewing angle.
[0018]
FIG. 3 is a block diagram illustrating a configuration of the monitor control unit 32. The monitor control unit 32 includes a D-SUB connector 321 connected via a cable 40 to a port that outputs analog RGB signals (three primary color signals) of the PC main body 20, and a USB host port of the PC main body 20 via the cable 40. A USB upstream port 322 to be connected, a USB downstream port 323 to which a USB function device such as a mouse 34 is connected, a memory card slot 324 to which a memory card 326 as a card-like storage medium is detachable, and an audio of the PC main body 20 Each terminal such as an audio input port 325 connected to a port for outputting a signal via a cable 40 is provided.
[0019]
The monitor control unit 32 is configured to be capable of data communication between the USB host port and the USB upstream port 322 of the PC main body 20, and the PC main body 20 has a memory card 326 mounted in the memory card slot 324 of the monitor 30. In addition, it is possible to access a later-described second memory 411 in the monitor control unit 32, and to exchange command data and various data with a USB function device such as a mouse 34 connected to the monitor 30.
[0020]
The analog RGB signal input via the D-SUB connector 321 is supplied to the A / D converter 331 and the buffer 332. An audio signal input via the audio input port 325 is supplied to the sound processing circuit 345.
[0021]
Although not shown, the PC main body 20 includes a CPU module, display controller, VRAM, communication modem device, PCI (Peripheral Component Interconnect) interface, I / O controller, HDD, BIOS-ROM, key controller, audio controller, and the like. It becomes the general composition with.
[0022]
The HDD of the PC main body 20 stores an operating system (OS) that manages access to each device in each process, an application program, user data created by the application program, and the like. As one of application programs, a program for editing image data stored in the memory card 326 is stored. Then, by starting and executing this program, the image data is taken in and edited from the memory card 326 or the second memory 411 mounted on the monitor 30, and the edited image data is displayed on the liquid crystal display panel 31 of the monitor 30, Audio data is reproduced by the speaker 347. Of course, when other application programs are activated and executed, display of the display data and reproduction of the audio data are performed in the same manner.
[0023]
Returning to the description of the monitor control unit 32. The A / D converter 331 converts an analog RGB signal input via the D-SUB connector 321 into a digital RGB signal. The buffer 332 latches a synchronization signal input via the D-SUB connector 321. Thus, an interface for exchanging image data with the PC main body 20 is configured, and image data from the PC main body 20 is received.
[0024]
The ROM 333 stores display operation environment data of the monitor 30, a display control program, an OSD (On Screen Display) control program, OSD character data, and the like. The graphic controller 330 is a color space conversion function that converts a YUV video signal input via a video input terminal (not shown) into a digital RGB signal based on a control program stored in the ROM 333, IP (Interlace to Progressive) The conversion function, scaling function, FRC (Frame Late Conversion) function, γ correction function, color correction function, and synchronization detection function are executed, and display data generated from the digital RGB signal and YUV video signal is output onto the display data bus 335. .
[0025]
Further, the graphic controller 330 generates a message of character data in response to an operation input from the operation key unit 33 or the remote control receiving unit 50R, and performs control so that the message is displayed superimposed on the display data. An OSD controller is provided.
[0026]
The graphic controller 330 is connected to the bus 337, and instead of generating display data from the RGB signals supplied from the A / D converter 331 and outputting the display data on the display data bus 335, the graphic controller 330 is under the control of the MPU 340. A circuit for switching the display data generated and stored in the VRAM 344 to be output on the display data bus 335 is provided.
[0027]
The liquid crystal display panel drive circuit 334 includes a drive circuit for the backlight unit 311 of the liquid crystal display panel 31 and a TFT liquid crystal drive circuit for displaying display data on the display data bus 335 on the TFT liquid crystal unit 312 of the liquid crystal display panel 31. ing.
[0028]
The key controller 336 generates a signal encoded by a user's key operation on the operation key unit 33 or a command received from the remote control 50 by the remote control reception unit 50R and generates a signal via the bus 337. The MPU 340 is supplied. As a result, an operation corresponding to the command input by the user is executed, and a message is generated by the graphic controller 330 and displayed on the liquid crystal display panel 31. Each command processing will be described later.
[0029]
The USB hub unit 400 alternatively uses the PC body 20 connected to the USB upstream port 322 and the monitor 30 as a USB host device. That is, the USB hub unit 400 sets the device that can use the USB function device (in this example, the memory card 326 and the second memory 411) as the PC main body 20 connected to the USB upstream port 322, or the monitor 30. It is possible to switch between self (monitor control unit 32).
[0030]
Specifically, the USB hub unit 400 monitors the usage state of the USB function device of the PC body 20 when a predetermined command is input from the user via the operation key unit 33 or the remote controller 50 and the remote controller receiver 50R. When the PC main body 20 does not use the USB function device, the monitor control unit 32 is set as a USB host device (that is, the monitor control unit 32 is permitted to use the USB function device).
[0031]
The USB hub unit 400 includes a transceiver 401, a hub sub-controller / transceiver 402, a repeater 403, a port controller 404, a transceiver 405, and a hub controller 406.
[0032]
The transceiver 401 is a transmission / reception circuit with the USB upstream port 322 connected to the USB host port of the PC main body 20. The hub sub-controller / transceiver 402 is a known transmission / reception circuit for exchanging signals with the bus 337, and conversion to a data stream corresponding to the USB protocol, inverse conversion, instruction interpretation, and data transfer control. It consists of a circuit with an interface function.
[0033]
The repeater 403 executes a protocol control switch function, a setup function, a disconnection connection processing function, a bus fault detection / recovery function, etc. between the upstream and downstream under the control of the hub controller 406. Hub The controller 406 constitutes an interface register for communication with the USB host device.
[0034]
The port controller 404 and the transceiver 405 are composed of three ports downstream, and are interfaces composed of selectors, buffers, and transceivers of three USB downstream ports.
[0035]
Each of these configurations is known as a USB hub, but in this embodiment, the hub controller 406 communicates with the USB upstream port 322 in response to a command from the monitor control unit 32 (bus 337). When the communication state is monitored and the USB upstream port 322 is not in communication (that is, when the PC main body 20 is not using the USB function device), the repeater 403 is connected to the hub sub-controller / transceiver 402. Improvements have been made to validate the data sent and received.
[0036]
The determination as to whether or not the communication is in communication with the USB upstream port 322 is made based on, for example, the voltage of the terminal to which the D + line of the USB upstream port 322 is connected or the state of the protocol token signal. Can do.
[0037]
Accordingly, the USB function device (memory card 326, second memory 411) can be used independently from the PC main body 20 in the monitor 30 of the present embodiment. The monitor 30 can use the USB function device independently of the PC main body 20 when the PC main body 20 does not use the USB function device. Therefore, the PC main body 20 uses the USB function device. Will not be disturbed.
[0038]
As the USB function device, a mouse 34 for operating the PC main body 20, a memory card 326 mounted in the memory card slot 324, and a second memory 411 that is a semiconductor memory are connected to the USB hub unit 400.
[0039]
The second memory 411 is used for editing image data stored in the memory card 326. The second memory 411 may be a storage device other than a semiconductor memory such as a hard disk device, and preferably has a storage capacity several times that of the memory card 326.
[0040]
The mouse 34 is connected to the transceiver 405 of the USB hub unit 400 via the USB downstream port 323. The memory card 326 is connected to the transceiver 405 of the USB hub unit 400 via a USB interface / memory card controller (PCMCIA card) 412 that reads and writes data from and to the memory card 326 and serves as a USB interface. . The second memory 411 reads / writes data from / to the second memory 411 and is connected to the transceiver 405 of the USB hub unit 400 via a USB interface / memory controller 410 serving as a USB interface.
[0041]
The MPU 340 controls the overall operation of the monitor control unit 32 based on a control program stored in the ROM 341. The RAM 342 is used as a work memory, and is used as a buffer memory when performing image data compression processing and decompression processing, image data editing processing, image data copying, and the like.
[0042]
The compression / decompression processing unit 343 decompresses image data compressed in an image compression format (for example, JPEG) into a bitmap format, stores the data in the RAM 342, and thins out image data expanded in the bitmap format according to a predetermined rate. To reduce the size. Also, the compression / decompression processing unit 343 performs decompression processing of audio data compressed by, for example, MP3 and supplies the decompressed audio data to the audio processing circuit 345.
[0043]
The audio processing circuit 345 performs A / D conversion on the audio signal input via the audio input port 325 and further demodulates it, and adjusts sound quality and volume, surround control, and the like for the digitized audio signal obtained thereby. Then, D / A conversion is performed to generate an analog audio signal. The analog audio signal generated by the audio processing circuit 345 is amplified by the amplification circuit 346 and then supplied to the speaker 347 to reproduce the audio.
[0044]
The audio processing circuit 345 generates an analog audio signal based on audio data supplied from the compression / decompression processing unit 343 via the bus 337 instead of the audio signal input via the audio input port 325. It has a circuit to switch.
[0045]
An example of the data format of the memory card 326 is shown in FIG. The entire memory space of the memory card 326 is divided into a directory 41, a FAT (File Allocation Table) 42, and a data area 43. The directory 41 includes information indicating a file number, that is, an image (frame) number, information indicating an image system, information indicating a compression method of image data, information indicating a compression method when audio data is included, and a user such as a recording date and time. Information is stored. The FAT 42 stores information indicating a state in which data of each file is recorded. In the data area 43, image data 45 divided into block units and its header 44 are allocated. Each header 44 stores image data attributes, standard information, shooting information, related file names, and the like.
[0046]
The operation of the monitor control unit 32 will be described with reference to the flowchart shown in FIG. When the power of the display device 30 is turned on, first, the graphic controller 330 validates the input from the D-SUB connector 321 (S1). As a result, an image is displayed on the liquid crystal display panel 31 in accordance with the analog RGB signal transmitted from the PC main body 20.
[0047]
Furthermore, the USB hub unit 400 enables the input (transceiver 401) of the USB upstream port 322, and sets the D + line pull-up to ON so that communication with each function device is possible. The driver and application are loaded, and the operating environment of each device is set (S2). By this initial operation, each USB function device connected to the USB hub unit 400 operates according to the application program of the PC main body 20 (the PC main body 20 is set as a USB host device).
[0048]
Furthermore, the audio processing circuit 345 validates the input from the audio input port 325 (S3). As a result, sound is reproduced according to the audio signal transmitted from the PC main body 20. By the processing of S1 to S3, the monitor 30 is set to operate as a peripheral device of the PC main body 20.
[0049]
Here, if there is an interruption from the key controller 336 by the user's operation on the operation key unit 33 or the remote controller 50 (Yes in S4), it is a monitor operating environment setting command (for example, screen brightness / color adjustment, If it is a command for frequency adjustment, position adjustment, etc. (Yes in S5), the monitor operation environment setting menu is displayed on the OSD (S6), and monitoring is performed according to the user's operation on the operation key unit 33 or the remote controller Operation environment setting processing is performed (S7).
[0050]
On the other hand, if it is not a monitor operating environment setting command (No in S5), it is determined whether the USB hub unit 400 is operating with the PC body 20 (whether the PC body 20 is using a USB function device). Determine (S10). This determination can be made based on the voltage of the terminal to which the D + line of the USB upstream port 322 is connected or the state of the protocol token signal as described above.
[0051]
If the USB hub unit 400 is operating with the PC main body 20 (Yes in S10), the timer is turned on (S11), and the determination in S10 is repeated until this timeout occurs (S12). Since communication from the PC body 20 is performed in a predetermined period, this is performed for adjustment with this period. When a time-out occurs in S12 (Yes in S12), an error message (for example, a message notifying that the PC main body 20 is using the USB function device) is displayed on the OSD (S13). The reason for treating it as an error in this way is that the user of the PC main body 20 and the user of the monitor 30 are usually the same, so the USB function device is used in the monitor 30 while the USB main body device is being used in the PC main body 20. This is because it is assumed that an operation using the device is not performed.
[0052]
On the other hand, if the USB hub unit 400 is not operating with the PC body 20 (No in S10), the upstream in the USB hub unit 400 is switched from the transceiver 401 to the hub subcontroller / transceiver 402 (S20), and the USB upstream port 322 disconnection processing is performed (specifically, the pull-up of the D + line of the USB upstream port 322 is turned off) (S21). Thereby, the monitor control unit 32 can use the USB function device (the monitor control unit 32 is set as a USB host device).
[0053]
In addition, the graphic controller 330 disconnects the input from the D-SUB connector 321 and sets the display data supplied from the bus 337 as a processing target (S22), and the audio processing circuit 345 disconnects the input from the audio input port 325. Thus, the audio data supplied from the bus 337 is set as a processing target (S23). Then, monitor single processing is performed (S24). When the monitor single process is completed, a return process as a peripheral device is performed (S25). That is, in S25, the same processing as S1 to S3 described above is performed, and the monitor 30 is set to operate as a peripheral device of the PC main body 20 (S25). When S25 ends, the process proceeds to S4 described above.
[0054]
The monitor single process in S24 will be described with reference to the flowcharts shown in FIG. 6, FIG. 7, and FIG. First, the menu shown in FIG. 9A is displayed on the OSD (S30). In this state, when the user operates the operation key unit 33 or the remote controller 50 to select and determine the personal computer (Yes in S31), the monitor single process ends, and the process proceeds to S25 described above as a peripheral device. Perform return processing. On the other hand, when the monitor is selected and determined (No in S31), the readout source menu shown in FIG. 9B is displayed on the OSD (S32).
[0055]
At this time, the user operates the operation key unit 33 or the remote controller 50 to select and determine whether the image data is read from the memory card 326 or the internal memory (second memory 411).
[0056]
Note that the memory card 326 stores, for example, a plurality of image data shot with a digital camera and compressed with JPEG. The second memory 411 also has, for example, image data copied from the memory card 326, image data loaded from the PC main body 20, or decorative characters intended to be combined with other image data. Is stored as imaged data.
[0057]
When the read source memory is selected and determined (Yes in S33), the image data is sequentially read from the memory selected and determined as the read source in accordance with the frame block number (S34), and decompressed to the bitmap format by the compression / decompression processing unit 343. Then, the thumbnail frames of the respective image data are formed by thinning out at a rate corresponding to the number of blocks of the image data stored in the read source memory and stored in the corresponding area in the VRAM 344 (S36). . Then, by transferring the image data stored in the VRAM 344 to the graphic controller 330, as shown in (a) of FIG. 10, all the image data stored in the memory from which the image data is read out are plural. A thumbnail image displayed in a partitioned manner is displayed (S37).
[0058]
In the state where the thumbnail image generated based on the image data stored in the memory of the reading source is displayed in this way, “left” or “right” provided on the operation key unit 33 or the remote controller 50 is displayed. When the cursor key is operated by the user (Yes in S40), a screen indicating the operation method is displayed on the OSD as indicated by 1001 in FIG. 10B, and an image of the frame number corresponding to the operation is displayed. The data is selected (S41), and the display mode of the section in which the image data in the selected state is displayed is changed (S42) as indicated by 1002 in FIG. 10B (S42). In S42, for example, the frame of the image data in the selected state may be changed, or a mark may be marked. S41 and S42 are performed each time the left or right cursor key is operated. FIG. 10B is a diagram corresponding to the case where the image data of the frame number “16” is in a selected state. Immediately after the thumbnail display image starts to be displayed, for example, the image data of frame number “1” is selected.
[0059]
Further, when the thumbnail image is displayed and the “down” cursor key provided on the operation key unit 33 or the remote controller 50 is operated by the user (Yes in S43), the current selection state is obtained. The image data is read again from the source memory (S44), decompressed (S45), and the bitmap image data obtained thereby is expanded in the VRAM 344, whereby the currently selected image data is displayed in FIG. As shown in (c), it is displayed in full scale (S46). At this time, when a predetermined operation is performed by the user on the operation key unit 33 or the remote controller 50, as shown in FIG. 10D, a screen 1003 representing the operation method is displayed on the OSD. May be.
[0060]
In this way, when the “left” and “right” cursor keys are operated in a state where an image is displayed in full scale (Yes in S47), the previous frame and the subsequent frame, respectively. Is selected (S48), and then the process proceeds to S44 described above. As a result, the user operates the “Left” and “Right” cursor keys while the image is displayed in full scale, so that the image of the previous frame and the subsequent frame are full. The image data can be displayed on a scale, and the image data stored in the read source memory can be browsed as if turning a page.
[0061]
If the “down” cursor key is operated in a state where an image is displayed in full scale (Yes in S49), the process proceeds to S33 described above. As a result, the user operates the “down” cursor key while the image is displayed in full scale, and is stored in the read source memory as shown in FIG. It is possible to return to the state in which the thumbnail image generated based on the image data is displayed.
[0062]
If the “down” cursor key is operated in a state where an image is displayed in full scale (Yes in S49), the process may proceed to S32 described above. In this way, it is possible to change the reading source of the image data without leaving the monitor single process (S24), which is convenient.
[0063]
When the “up” cursor key provided on the operation key unit 33 or the remote controller 50 is operated in the state where the thumbnail image is displayed (Yes in S50), the edit menu shown in FIG. 9C is displayed. Is displayed by OSD (S51). At this time, when the user operates on the operation key unit 33 or the remote controller 50, one of the delete command, the copy command, and the composite command is selected and determined.
[0064]
When the deletion command is selected and determined (deletion in S52), the currently selected image data is read out by erasing a block in which the currently selected image data is stored in the reading source memory. (S53). When S53 ends, the process proceeds to S33 described above, whereby a thumbnail image is generated and displayed based on the image data stored at the current stage in the read source memory, as shown in FIG. Is done.
[0065]
When the copy command is selected and determined (copy in S52), the copy destination menu shown in FIG. 9D is displayed on the OSD (S54). At this time, the user operates the operation key unit 33 or the remote controller 50 to select and determine whether the image data copy destination is the memory card 326 or the internal memory (second memory 411).
[0066]
When the copy destination is selected and determined (Yes in S55), the copy method menu shown in FIG. 9E is displayed on the OSD (S56). At this time, when the user operates on the operation key unit 33 or the remote controller 50, either the overwrite command or the additional command is selected and determined.
[0067]
When the overwrite command is selected and determined (Yes in S57), the currently selected image data is overwritten and written in the copy destination (S58). On the other hand, when the addition command is selected and determined (No in S57), the currently selected image data is written in the copy destination empty area (S59). When S58 and S59 are completed, the process proceeds to S33 described above, whereby a thumbnail image is generated based on the image data stored at this stage in the memory of the read source, as shown in FIG. Displayed.
[0068]
When the compositing command is selected and determined (combining in S52), the composite data reading source menu shown in FIG. 9F is displayed on the OSD (S60). At this time, when the user operates the operation key unit 33 or the remote controller 50, either the memory card 326 or the internal memory (second memory 411) is selected and determined as the synthesized data reading source.
[0069]
When the composite data reading source is selected and determined (Yes in S61), the bit map data of the image data for synthesis stored in the memory selected and determined as the composite data reading source and the currently selected image data (S62), and the image data obtained by the synthesis process is displayed in full scale (S63).
[0070]
Next, the save / non-save selection menu shown in FIG. 9G is displayed on the OSD (S64). At this time, when the user operates on the operation key unit 33 or the remote controller 50, either storage or non-storage is selected and determined.
[0071]
When saving is selected and determined (Yes in S65), the save destination menu shown in (h) of FIG. 9 is displayed on the OSD (S66). On the other hand, when non-save is selected and determined (No in S65), the process proceeds to S33 described above, and as a result, as shown in FIG. 10A, based on the image data stored in the read source memory. A thumbnail image is generated and displayed.
[0072]
When the save destination menu shown in FIG. 9H is displayed on the OSD, the user operates the operation key unit 33 or the remote controller 50 to operate the memory card 326 and the internal memory (second memory 411). ) Is selected and determined as the storage destination (Yes in S67), the storage method menu shown in FIG. 9I is displayed on the OSD (S68).
[0073]
At this time, when the user operates on the operation key unit 33 or the remote controller 50, either the overwrite command or the additional command is selected and determined. When the overwrite command is selected and determined (Yes in S69), the image data obtained by the composition processing in S62 is overwritten and written in the storage destination memory (S70). On the other hand, when an additional command is selected and determined (No in S69), the image data obtained by the composition processing in S62 is written in an empty area of the storage destination memory (S71). When S70 and S71 are completed, the process proceeds to S33 described above, whereby a thumbnail image is generated based on the image data stored at this stage in the memory of the read source, as shown in FIG. Displayed.
[0074]
In the monitor single process of S24, when a predetermined operation is performed by the user on the operation key unit 33 or the remote controller 50, the process proceeds to S30 described above at the stage where the process being executed is completed, and ( The menu shown in a) is displayed. Thereby, it is possible to return to a state where the USB function device can be used in the PC main body 20 at any time.
[0075]
With the above processing, the image data stored in the memory card 326 can be browsed and edited by the monitor 30 alone (that is, without the PC main body 20 intervening). As a result, the image data stored in the memory card 326 is edited on the monitor 30 side while some processing not using the memory card 326 is executed in the PC main body 20, and the monitor 30 alone is added to the processing being executed in the PC main body 20. It is possible to use the image data edited in step 1 by using it, and the usage is expanded.
[0076]
Also, by copying the image data read from the memory card 326 to the empty block of the second memory 411, an editing function for a plurality of arbitrary image data can be realized. If image data stored in a plurality of memory cards 326 is copied to the second memory 411 and the second memory 411 is used as a source when image data is edited by the PC main body 20. Therefore, it is possible to save the trouble of replacing a memory card that is necessary when a plurality of memory cards are used as a source. Further, the image data stored in the memory card 326 and the decorative character image data loaded in advance from the PC main body 20 and stored in the second memory 411 can be combined.
[0077]
The image data stored in the function device (the memory card 326 or the second memory 411) can be browsed and edited by the monitor 30 alone when the PC body 20 is not accessing the function device. Therefore, there is no problem for the PC body 20 to use the function device.
[0078]
Further, as the operation means when using the function device by the monitor 30 alone, the operation key unit 33 and the remote controller 50 provided in the monitor 30 are prepared separately from the operation means (mouse 34) of the PC main body 20. It can be used without being confused with the operation of the PC main body 20.
[0079]
Note that USB is used as the interface between the information processing apparatus (PC main body 20) and the external storage device (memory card 326) in the above embodiment, but other interfaces such as IEEE 1394 and Bluetooth are available. Also good.
[0080]
【Effect of the invention】
As described above, according to the present invention, data stored in a device used as an external storage device by the information processing apparatus can be viewed by a display device that is a peripheral device of the information processing apparatus. It is possible to realize a computer system that can be easily operated for browsing data stored in the device.
[0081]
According to the present invention, the data stored in the device used as the external storage device by the information processing device can be browsed by the display device alone when the information processing device does not use the device. Therefore, the information processing apparatus does not hinder the use of the device.
[0082]
Further, according to the present invention, since the display device is provided with operation means for operating the display device alone, the operation for operating the display device alone is confused with the operation of the information processing device. Can be avoided.
[0083]
Further, according to the present invention, the image data stored in the device used as the external storage device by the information processing apparatus can be edited by the display apparatus alone, so that the use of the display apparatus is expanded.
[Brief description of the drawings]
FIG. 1 is an external view of a personal computer system according to an embodiment of the present invention.
FIG. 2 is a sectional view of a monitor constituting the personal computer system according to the embodiment of the present invention.
FIG. 3 is a block diagram of a monitor constituting a personal computer system according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating an example of a data format of a memory card.
FIG. 5 is a flowchart showing an operation of a monitor constituting the personal computer system according to the embodiment of the present invention.
FIG. 6 is a flowchart showing an operation of a monitor single process performed by a monitor constituting the personal computer system according to the embodiment of the present invention.
FIG. 7 is a flowchart showing an operation of a monitor single process performed by a monitor constituting the personal computer system according to the embodiment of the present invention.
FIG. 8 is a flowchart showing an operation of a monitor single process performed by a monitor constituting the personal computer system according to the embodiment of the present invention.
FIG. 9 is a diagram showing each menu displayed on the OSD while the monitor constituting the personal computer system according to the embodiment of the present invention is executing the monitor single process.
FIG. 10 is a diagram showing a screen displayed while the monitor constituting the personal computer system according to the embodiment of the present invention is executing the monitor single process.
[Explanation of symbols]
10 Personal computer system
20 Personal computer body (information processing equipment)
30 Monitor (display device)
31 LCD panel
32 Monitor control unit
33 Operation key unit
34 mouse
36 Chilled hinge mechanism
37 Stand
50 remote control
50R remote control receiving unit
311 Backlight unit
312 TFT LCD unit
321 D-SUB connector
322 USB upstream port
323 USB downstream port
324 memory card slot
325 audio input port
326 memory card
330 Graphics controller
331 A / D Converter
332 buffer
333 ROM
334 Liquid crystal display panel drive circuit
335 Display data bus
336 Key Controller
337 Bus
340 MPU
341 ROM
342 RAM
343 Compression / decompression unit
344 VRAM
345 Audio processing circuit
346 Amplifier circuit
347 Speaker
400 USB hub unit
401 transceiver
402 Hub Subcontroller / Transceiver
403 repeater
404 port controller
405 transceiver
406 Hub Controller
410 USB interface / memory controller
411 Second memory
412 USB interface / memory card controller

Claims (7)

In addition to performing display according to data transmitted from the information processing device, in a display device that is separate from the information processing device,
Control means for controlling the operation of the entire display device;
Storage means in which the storage medium is detachable from the display device;
Interface means for selectively connecting the information processing apparatus and the control means to the storage means,
When the control means is connected to the storage means by the interface means, the display device has a function of controlling to read and display data stored in the storage means .   The interface means detects whether or not the information processing apparatus uses the storage means, and connects the control means to the storage means only when the information processing apparatus does not use the storage means The display device according to claim 1.   Command input means for a user to input a command to the control means, and the control means performs control according to a command input from the user via the command input means. The display device according to claim 1, wherein the display device is a display device.   A second storage unit that is a storage unit different from the storage unit, and the interface unit alternatively connects the information processing apparatus and the control unit to the storage unit and the second storage unit; When the control means is connected to the storage means and the second storage means by the interface means, data is copied between the storage means and the second storage means. The display device according to any one of claims 1 to 3, further comprising a control function.   The display device according to claim 1, wherein image data is stored in the storage medium.   The control means has a function of controlling to display a list of all image data stored in the storage means when connected to the storage means by the interface means. The display device according to claim 5.   A function of controlling the image data stored in the storage means to be edited according to a command input by a user when all the image data stored in the storage means are displayed as a list; The display device according to claim 6, wherein the control unit is provided.

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