JP2008245180A - Display device, charge control system, and display device program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device, a charge control system, and a display device program that reduce time and effort in charging. <P>SOLUTION: A connection processing is executed in a display device when connecting with a multi-function machine. The voltage of a battery is acquired (S21), when the voltage is 3V or less (S22:YES), a menu screen having only items for charging is displayed (S26). When the voltage is 3.8V or more (S23:YES), a menu screen having only items for non-charging is displayed (S25). When the voltage is 3 to 3.8V (S23:NO), a menu screen for all items is displayed(S24). The processing is executed according to the selected item (S31 to S40). The first and the second items for only printing, are selected for only transmission of print data. The third and fourth items for both printing and charging, are selected for transmission of print data and charging. The fifth item for only charging, is selected for only charging. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a display device, a charging control system, and a display device program, and more particularly to charging of a display device.

Conventionally, power is supplied by a battery in a portable device. When the battery is used as a power source, it is necessary to charge the battery, and the user needs to pay attention to the remaining amount of the battery. Therefore, in the imaging device and the cradle device according to the invention described in Patent Document 1, the power supply control unit for supplying power to the imaging device is provided in the cradle device that connects the imaging device and the printing device to exchange image data. ing. Then, when printing image data captured by connecting to a printing apparatus, charging is automatically performed after transfer of the image data. In this way, when connected to another device for purposes other than charging such as printing, if charging is performed in accordance with the intended processing, a portable terminal is purposely connected to the device that supplies power for charging. This saves you the trouble of connecting.
JP 2007-36697 A

  However, the imaging device and the cradle device described in Patent Document 1 have a problem that charging is always performed when printing is performed. As a user, there is a case where only printing is desired without charging. For example, when there is a sufficient remaining battery capacity, it is not necessary to charge the battery, and charging may result in overcharging and burdening the battery. Alternatively, even when the user disconnects immediately after printing and wants to use the terminal while carrying it, there is a problem that the terminal cannot be used immediately because it is necessary to wait until the charging is completed.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a display device, a charge control system, and a display device program that can reduce the trouble of charging.

  In order to solve the above-described problem, the display device according to the first aspect of the present invention is a display device including display means, content storage means for storing content, a battery for supplying power, and a printing apparatus or printing apparatus. In order to transmit a print instruction for instructing printing of the content to the external device connected to the printer, the print instruction connection means for connecting to the printing device or the external device and the battery from the printing device or the external device are charged. Power receiving connection means for connecting to the printing device or the external device, and a connection determining means for determining whether both the print instruction connecting means and the power receiving connecting means are connected, When it is determined that the connection is determined by the connection determination means, an instruction menu for executing only printing, printing, and charging Menu display control means for causing the display means to display a menu of instructions for executing the method, a selection acceptance means for accepting selection of any of the menus displayed on the display means by the menu display control means, and the selection acceptance When the menu for the instruction to execute only the printing is selected by the means, the printing instruction is transmitted from the printing instruction connecting means, and the power receiving connection means is not accepted to supply power, and both the printing and charging are performed. When a menu of instructions to be executed is selected, a printing charge control unit is provided that transmits the printing instruction from the printing instruction connection unit and charges the battery by receiving power from the power receiving connection unit. .

  Further, in the display device of the invention according to claim 2, in addition to the configuration of the invention of claim 1, the remaining battery level detecting means for detecting the remaining battery level of the battery and the remaining battery level detecting means are detected. The menu display control means does not display a menu for instructing the display means to perform both the printing and the charging when the remaining battery level is greater than a first predetermined value. .

  According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the battery remaining amount detecting means for detecting the battery remaining amount of the battery, and the battery remaining amount detecting means. When the remaining battery level detected by the above is smaller than a second predetermined value, the menu display control unit does not display a menu of an instruction to execute only the printing on the display unit.

  According to a fourth aspect of the present invention, in addition to the configuration of the first aspect, the battery remaining amount detecting means for detecting the remaining amount of the battery, and the remaining battery When the remaining battery level detected by the amount detection means is a value within a predetermined range, the menu display control means instructs the menu to execute only the printing and the instruction to execute both the printing and charging. Both of the menus are displayed on the display means.

  Further, in the display device of the invention according to claim 5, in addition to the configuration of the invention according to any one of claims 1 to 4, printing for instructing printing of any of the contents stored in the content storage means An instruction unit, and the menu display control unit includes a menu for instructing to execute only the printing, a menu for instructing to print the content displayed on the display unit when it is determined that the connection determination unit has connected, And a display instruction menu for displaying the content instructed by the print instructing means, and displaying the instruction menu for executing both printing and charging when the connection determining means determines that the display is connected. A menu of instructions for executing both the print instruction and the charge of the content displayed on the screen, and the print instruction means And displaying the print instruction and instruction menu to perform both charging of the indicated content.

  According to a sixth aspect of the present invention, there is provided a charge control system comprising: the display device according to any one of the first to fifth aspects; and a printing device including a printing unit that performs printing, or an external device connected to the printing device. The printing device or an external device connected to the printing device includes a display device connecting means for connecting to the display device for receiving a content printing instruction, and for supplying power to the battery of the display device. Power supply means.

  According to a seventh aspect of the present invention, a display device program causes a computer to function as various processing means of the display device according to any one of the first to fifth aspects.

  In the display device according to the first aspect, the content storage means stores the content, the battery supplies power, and the print instruction connection means sends the content print instruction to the printing apparatus or an external device connected to the printing apparatus. In order to transmit, it is connected to a printing apparatus or an external apparatus, the power receiving connection means is connected to the printing apparatus or the external apparatus in order to receive a power supply for charging the battery from the printing apparatus or the external apparatus, and the connection determination means is Determining whether or not both the print instruction connecting means and the power receiving connecting means are connected, and the menu display control means, when it is determined that the connection determining means determines that the connection is established, only the menu for printing and printing and A menu of instructions for executing both charging is displayed on the display means, and the selection receiving means is displayed by the menu display control means. When the selection of any of the menus displayed on the means is received, the print charge control means transmits a print instruction from the print instruction connection means when the selection accepting means selects an instruction menu to execute only printing, In addition, when a menu for an instruction to execute both printing and charging is selected without receiving power supply from the power receiving connection means, a print instruction is transmitted from the print instruction connecting means, and power is supplied from the power receiving connection means. The battery can be charged. Therefore, it can charge by connecting to a printing apparatus. Furthermore, if a menu for printing and charging instructions is selected, not only printing but also charging can be performed together, and it is convenient because it is not necessary to connect to other devices only for charging.

  In the display device according to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the remaining battery level detection means detects the remaining battery level of the battery and is detected by the remaining battery level detection means. When the remaining battery level is greater than the first predetermined value, the menu display control means can prevent the display means from displaying a menu of instructions for executing both printing and charging. Therefore, when the first predetermined value is the remaining battery level that does not require charging, the menu for instructing charging is not displayed when charging is not required, so the menu for instructing unnecessary charging is selected. There is nothing to do. Therefore, it is possible to prevent the battery from being overcharged.

  In the display device of the invention according to claim 3, in addition to the effect of the invention of claim 1 or 2, the battery remaining amount detecting means detects the battery remaining amount of the battery, and the battery remaining amount detecting means When the detected remaining battery level is smaller than the second predetermined value, the menu display control means can prevent the display means from displaying a menu for executing only printing. Therefore, if the second predetermined value is a value that requires charging, when charging is required, only an instruction to perform charging can be performed, and charging is always performed. Therefore, the battery will not run out due to forgetting to charge.

  In the display device according to a fourth aspect of the invention, in addition to the effect of the invention according to any one of the first to third aspects, the remaining battery level detecting means detects the remaining battery level of the battery, and the remaining battery level is detected. When the remaining battery level detected by the detection means is a value within a predetermined range, the menu display control means has both an instruction menu for executing only printing and an instruction menu for executing both printing and charging. Can be displayed on the display means. Therefore, when the remaining battery level is within the predetermined range, either instruction can be given and the instruction desired by the user can be accepted.

  In the display device according to the fifth aspect of the invention, in addition to the effect of the invention according to any one of the first to fourth aspects, the print instructing means may be any one of the contents stored in the content storage means. Printing can be instructed. In the menu display control means, the menu for instructing to execute only the printing is the menu for printing the content displayed on the display means when it is determined that the connection determination means is connected, and the printing A menu for instructing printing of the content instructed by the instructing means is displayed, and a menu for instructing to execute both printing and charging is displayed on the display means when the connection determining means determines that the connection is established. A menu for instructing to execute both the printing instruction and charging of the content, and a menu for instructing to execute both the printing instruction and charging of the content instructed by the printing instruction means. Therefore, it is possible to print content that has been instructed to be printed in advance, and also to issue a print instruction for the content that was displayed when the printing device or the printing device was connected to a connected external device. As a result, flexible printing instructions can be performed.

  According to a sixth aspect of the present invention, there is provided a charge control system comprising the display device according to any one of the first to fifth aspects, wherein the display device connection means of the printing device or an external device connected to the printing device is a content printing device. Connected to the display device to receive the instruction, the power supply means can supply power to the battery of the display device. Therefore, the same effect as the display device according to any one of claims 1 to 5 can be obtained.

  In the display device program of the invention according to claim 7, the computer can function as various processing means of the display device according to any one of claims 1 to 5. Therefore, the same effect as the display device according to any one of claims 1 to 5 can be obtained.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. First, a browsing terminal 1 corresponding to a “display device” and a multifunction device 2 corresponding to a “printing device” of the present invention will be described with reference to FIG. FIG. 1 is a schematic diagram illustrating an electrical configuration of the browsing terminal 1 and the multifunction device 2.

  As shown in FIG. 1, the multifunction device 2 is a device having functions of a printing device, a communication device, a telephone, a facsimile, a scanner, and a copier. In the present invention, a function as a printing apparatus that performs printing is a minimum necessary function. The multifunction device 2 is provided with a multifunction device controller 20 having a CPU that controls the multifunction device 2. The multifunction device controller 20 includes a ROM 21 that stores a program for operating the multifunction device 2, and various types of devices. A RAM 22 that temporarily stores data; a liquid crystal display (LCD) 25 that is a display screen; an operation key 26 that receives input by a user; a print buffer 29 that stores print data to be printed by the printing unit 28; A power supply unit 27 that supplies power for driving the multifunction machine 2 is connected via a bus.

  Further, in order to function as a printing apparatus, a printing unit 28 that performs printing is provided, and is connected to the multifunction device controller 20. In the present embodiment, the multifunction device 2 performs ink jet printing. Therefore, the printing unit 28 is provided with a head driving unit for driving a piezoelectric actuator provided in each channel of the inkjet head, a roller driving unit for driving a conveyance roller for conveying the printing paper, and the like. .

  The multifunction device 2 further includes a scanner unit 24 and a modem 41, and is connected to the multifunction device controller 20. The modem 41 is connected to a line control unit 42 for connecting to the public line 4, and the line control unit 42 is connected to a handset 43 that inputs and outputs voice.

  The multifunction device 2 is provided with a communication connector 48 and a charging connector 49 for connecting to the browsing terminal 1. The communication connector 48 is connected to the print buffer 29 and is used for connection when receiving print data transmitted from the browsing terminal 1. The charging connector 49 is connected to the power supply unit 27 and is used for connection when power is supplied to the browsing terminal 1.

  Next, the browsing terminal 1 will be described with reference to FIGS. 1 to 3. The browsing terminal 1 displays the content stored in the memory card 30 on the display unit 15. First, the appearance of the browsing terminal 1 will be described with reference to FIG. The front of the viewing terminal 1 is substantially rectangular in plan view, and the display unit 15 is provided in the most area. On the right side of the display unit 15, a print button 161, an enter button 162, and a cross key 163 are provided as operation keys 16. The print button 161 is operated when instructing printing of content, and the decision button 162 is operated when determining various menus, content selection, and the like. The cross key 163 is operated when moving the cursor to select various menus and contents. The cross key 163 has a cross shape as shown in FIG. 2, and the cursor moves upward when the upward convex portion is pressed, and the cursor moves downward when the downward convex portion is pressed. When the left convex portion is pressed, the cursor moves to the left, and when the right convex portion is pressed, the cursor moves to the right. Furthermore, a communication connector 38 and a charging connector 39 for connecting to the multifunction device 2 are provided at the lower end of the front of the viewing terminal 1.

  As shown in FIG. 1, the browsing terminal 1 is provided with a browsing terminal controller 10 having a CPU for controlling the browsing terminal 1, and the browsing terminal controller 10 has a browsing program for operating the browsing terminal 1 and the like. A memory card for connecting a memory 11, a RAM 12 for temporarily storing various data, a display controller 14 for controlling the display unit 15, an operation key 16 for receiving user input, and a memory card 30. The controller 13 and a transmission / reception buffer 18 in which data to be transmitted to the multifunction device 2 and data to be received from the multifunction device 2 are stored are connected via a bus. Furthermore, the browsing terminal 1 is provided with a battery 19 for driving the browsing terminal 1. The charge controller 17 is connected to the browsing terminal controller 10. The charge controller 17 is a known IC chip that controls charging, and measures the voltage of the battery 19 and manages the start / end of charging. In the present embodiment, charging is terminated when the voltage is 3.8 V or higher.

  Further, the browsing terminal 1 is provided with a communication connector 38 and a charging connector 39 for connecting to the multifunction device 2. The communication connector 38 is connected to the transmission / reception buffer 18, and is used for transmission of data stored in the transmission / reception buffer 18 to the multifunction device 2 and reception of data transmitted from the multifunction device 2. Used. The charging connector 39 is connected to the battery 19 and is used for connection to the multi-function device 2 for charging the battery 19.

  The browsing terminal 1 and the multifunction device 2 having such a configuration can exchange data by connecting the communication connector 38 and the communication connector 48. Then, the battery 19 of the browsing terminal 1 can be charged by connecting the charging connector 39 and the charging connector 49. In the present embodiment, the communication connector 38 and the charging connector 39 of the browsing terminal 1 are integrally formed, and the communication connector 48 and the charging connector 49 of the multi-function device 2 are also integrally formed. When the connector 38 and the communication connector 48 are connected, the charging connector 39 and the charging connector 49 are also connected. Even if the charging connector 39 and the charging connector 49 are connected, charging is not performed immediately, but the start of charging is managed by the charging controller 17, and the charging controller 17 is charged from the browsing terminal controller 10. It is controlled to start charging when a start instruction is given.

  Next, the storage area provided in the RAM 12 of the browsing terminal 1 will be described with reference to FIG. FIG. 3 is a schematic diagram illustrating a configuration of a storage area provided in the RAM 12 of the browsing terminal 1. As shown in FIG. 3, the RAM 12 has a mark content storage area 121, a displayed content storage area 122, a selected content ID storage area 123, a display content ID storage area 124, a display page number storage area 125, and a selection menu storage area 126. Is provided. The RAM 12 is also provided with other storage areas.

  In the mark content storage area 121, when a content to be printed is instructed from a list of content that can be displayed on the viewing terminal 1 (see FIG. 2: content list screen 101), information indicating the content for which the print instruction has been issued (Content ID) and the content ID of the content for which the print instruction is issued and the page to be printed are stored when the print of the content being displayed on the browsing terminal 1 (see FIG. 4: browsing screen 102) is instructed. . In the displayed content storage area 122, the content ID of the content (see FIG. 4: browsing screen 102) displayed when connected to the multifunction device 2 and the page number indicating the page are stored. The selected content ID storage area 123 stores the content ID of the content selected on the content list screen 101, and the display content ID storage area 124 stores the content ID of the content displayed on the browsing screen 102. The display page number storage area 125 stores a page number indicating the page of the content displayed on the browsing screen 102. The selection menu storage area 126 stores a value indicating the menu selected on the MFP connection menu screen 110 (see FIGS. 5 to 7: MFP connection menu screens 111, 112, and 113).

  Next, various screens displayed on the browsing terminal 1 will be described with reference to FIGS. 2 and 4 to 9. 2 is a front view of the browsing terminal 1 in a state where the content list screen 101 is displayed on the display unit 15, and FIG. 4 is a front view of the browsing terminal 1 in a state where the browsing screen 102 is displayed on the display unit 15. . FIG. 5 is a front view of the browsing terminal 1 in a state in which the multifunction device connection menu screen 111 capable of selecting all menus is displayed on the display unit 15, and FIG. 6 is a multifunction device capable of selecting only a menu that is not charged. FIG. 7 is a front view of the browsing terminal 1 in a state in which the connection menu screen 112 is displayed on the display unit 15. FIG. 7 is a browsing in a state in which the MFP connection menu screen 113 in which only the charging menu can be selected is displayed on the display unit 15. 3 is a front view of the terminal 1. FIG. 8 is a front view of the browsing terminal 1 in a state where the print state display screen 131 is displayed on the display unit 15, and FIG. 9 is a front view of the browsing terminal 1 in a state where the charging screen 132 is displayed on the display unit 15. FIG.

  Next, the content list screen 101 will be described with reference to FIG. The content list screen 101 displays a list of contents that are stored in the memory card 30 and can be displayed on the display unit 15. In the example shown in Fig. 2, "stock investment basics", "town cake shop", "Antoinette's life", "how to brew delicious tea", "healthy by pressing the acupuncture!", "Flying giraffe's The content names “Talk” and “Nobunaga Oda” are displayed. On this content list screen, by operating the cross key 163, the cursor can be moved up and down to select a content name. The selected content is highlighted. In the example shown in FIG. 2, the content “how to brew delicious tea” is selected. When the determination button 162 is pressed on the content list screen, the content of the selected content is displayed (see FIG. 4: browsing screen 102). When the print button 161 is pressed, the content ID of the selected content is stored in the marked content storage area 121 as an instruction to print all pages of the selected content.

  Next, the browsing screen 102 will be described with reference to FIG. As shown in FIG. 4, the content of the content is displayed on the browsing screen 102. In the example shown in Fig. 4, the content of "How to make delicious tea" is "Chapter 1 Types of tea. There are many types of tea. Darjeeling, Uba, ... (hereinafter omitted)" Is displayed. On this content display screen, the next page is displayed when the convex part to the right of the cross key 163 is pressed, and the previous page is displayed when the convex part to the left is pressed. Note that “1” in the lower left of the display unit is a page number. When the print button 161 is pressed, it is assumed that an instruction to print the displayed page has been issued, and the content ID stored in the displayed content storage area 122 and the page stored in the display page number storage area 125 are displayed. The number is stored in the mark content storage area 121.

  Next, referring to FIG. 5 to FIG. 7, a multifunction device connection menu screen 111 capable of selecting all menus, a multifunction device connection menu screen 112 capable of selecting only menus not to be charged, and a multifunction device capable of selecting only menus to be charged. The machine connection menu screen 113 will be described. Note that the MFP connection menu screens 111 to 113 shown in FIGS. 5 to 7 are collectively referred to as the MFP connection menu screen 110. The MFP connection menu screen 110 is a screen displayed when the browsing terminal 1 is connected to the MFP 2.

  As shown in FIGS. 5 to 7, the MFP connection menu screen 110 displays menus 1 to 5. The first menu (first menu) is a “print currently displayed content (do not charge)” menu, and a page of content displayed on the display unit 15 when the MFP 2 is connected (displayed content storage). The page stored in the display page number storage area 125 of the content stored in the area 122 is printed, and at the same time, the browsing terminal 1 is not charged. The second menu (second menu) is a “print mark content (do not charge)” menu, a specified page of content ID stored in the mark content storage area 121 is printed, and at the same time charging the browsing terminal 1 Is not done. The third menu (third menu) is a “print (charge) displayed content” menu, and a page of content (displayed content storage) displayed on the display unit 15 when connected to the multifunction device 2. The page stored in the display page number storage area 125 of the content stored in the area 122 is printed, and at the same time, the browsing terminal 1 is charged. The fourth menu (fourth menu) is a “print (charge) mark content” menu, in which a content ID designation page stored in the mark content storage area 121 is printed, and at the same time charging the browsing terminal 1. Is done. The fifth menu (fifth menu) is a “charge” menu, in which printing is not performed and only the browsing terminal 1 is charged.

  On these multifunction device connection menu screens 110, by operating the cross key 163, the cursor can be moved up and down to select a menu. The selected menu is highlighted in the same manner as the content list screen 101. In FIGS. 5 to 7, for ease of viewing, the menu is not highlighted and does not describe which menu is selected.

  Further, on the multifunction device connection menu screen 110, a battery remaining amount graph 190 indicating the remaining amount of the battery 19 is displayed on the lower right of the display unit 15. This battery remaining amount graph 190 is composed of five blocks, and as the remaining amount of battery is larger, more blocks are filled and displayed. In this embodiment, charging is required at 3V or lower and full charging is performed at 3.8V or higher. For example, only the rightmost block is filled and displayed at 3V or lower, and two from the right below 3V and below 3.3V. The block is filled and displayed, and 3 blocks from the right are filled and displayed at 3.3V or more and less than 3.6V. The 4 blocks from the right are filled and displayed at 3.6V or more and less than 3.8V, and all are displayed at 3.8V or more. The block of is filled and displayed.

  In the multifunction device connection menu screen 111 in which all menus shown in FIG. 5 can be selected, the battery remaining amount graph 190 is filled with 2 blocks out of 5 and is not fully charged. This indicates that the amount is not too small. Therefore, since it is not necessary to charge or not, all menus “1” to “5” can be selected. In the MFP connection menu screen 112 in which only the menu not to be charged shown in FIG. 6 can be selected, the remaining battery level graph 190 indicates that all five blocks are filled and the battery is fully charged. Yes. Therefore, the menus “1” and “2” can be selected, but the menus “3” to “5” cannot be selected, and the menu colors “3” to “5” are gray. It is said that. That is, on the multifunction device connection menu screen 112, charging is not necessary, so only menus that are not charged can be selected. In the MFP connection menu screen 113 in which only the menu for charging shown in FIG. 7 can be selected, the battery remaining amount graph 190 is not filled with one block. Therefore, the menus “3” to “5” can be selected, but the menus “1” and “2” cannot be selected, and the menu colors “1” and “2” are gray characters. It is said that. That is, on the multifunction device connection menu screen 113, since charging is required, only the menu for charging can be selected. Note that these MFP connection menu screens 110 are determined based on the remaining battery level of the battery 19 of the browsing terminal 1. Details will be described later with reference to the flowchart shown in FIG.

  Next, the print status display screen 131 will be described with reference to FIG. The print status display screen 131 is a screen displayed on the display unit 15 of the viewing terminal 1 while printing is being performed by the multifunction device 2, and a progress band graph 280 indicating how much printing has progressed. It is displayed. The progress band graph 280 indicates 0% to 100% from the left to the right, and is displayed by being filled by the rate at which printing has progressed. The example shown in FIG. 8 indicates that 40% printing has been completed. Further, a message “Printing the 4 / 10th page” is also displayed on the progress band graph 280, and it is understood that the fourth page among the 10 pages printed is printed. Note that a remaining battery level graph 190 is also displayed on the print status display screen 131.

  Next, the charging screen 132 will be described with reference to FIG. This charging screen 132 is a screen that is displayed on the display unit 15 of the browsing terminal 1 while charging is being performed by connecting to the multifunction device 2. On the charging screen 132, a message “Charging!” And a battery remaining amount graph 190 are displayed. Since the remaining battery level graph 190 is updated as charging progresses, it is possible to know how much charging has been performed. Note that the message “Charging!” Is changed to a message “Charging completed” when charging is completed.

  Next, processing performed in the browsing terminal 1 will be described with reference to the flowcharts of FIGS. FIG. 10 is a flowchart of the main process of the browsing terminal 1, FIG. 11 is a flowchart of the print instruction process performed in the main process, and FIG. 12 is a flowchart of the display process performed in the main process. FIG. 13 is a flowchart of the connection process performed in the main process. 14 is a flowchart of the first menu process performed in the connection process, FIG. 15 is a flowchart of the second menu process performed in the connection process, and FIG. 16 is a flowchart of the connection process. FIG. 17 is a flowchart of the fourth menu process performed in the connection process, and FIG. 18 is a flowchart of the fifth menu process performed in the connection process. is there.

  The main process shown in FIG. 10 is started when the browsing terminal controller 10 executes the browsing terminal program after the browsing terminal 1 is turned on and an initial process such as operation check is performed. Here, only the part related to the present invention in the main process will be described in detail, and the other processes will be omitted. First, it is determined whether or not an instruction to turn off the power has been issued (S1). If the power-off instruction has not been issued (S1: NO), it is determined whether or not both the communication connector 38 and the charging connector 39 are connected to the multifunction device 2 (S2). If the communication confirmation data can be exchanged with the multifunction device 2 via the communication connector 38, it is determined that the communication connector 38 is connected to the communication connector 48 of the multifunction device 2, and the charge controller 17 If the voltage can be detected from the charging connector 39, it is determined that the charging connector 39 is connected to the charging connector 49 of the multifunction device 2 (S2: YES). Then, connection processing is performed (S5, see FIGS. 13 to 18). When the connection process is completed, the process returns to S1. The connection process will be described in detail later with reference to FIGS.

  If it is determined that the MFP 2 is not connected (S2: NO), it is determined whether the print button 161 has been pressed (S3). If the print button 161 is pressed (S3: YES), a print instruction process is performed (S6, see FIG. 11). This print instruction process will be described in detail later with reference to FIG. If the print button 161 is not pressed (S3: NO), it is determined whether or not the enter button 162 is pressed (S4). When the determination button is pressed (S4: YES), a determination process is performed (S7, see FIG. 12). This determination process will be described in detail later with reference to FIG. If the enter button 162 is not pressed (S4: NO), other processing is performed (S8). Then, the process returns to S1.

The other processing is processing for performing other operations performed on the browsing terminal 1. The other processing is, for example, processing that accepts an operation of the cross key 163 on the content list screen 101, stores the content ID of the selected content in the selected content ID storage area 123, and moves the cursor to update the display. It is. Other processes include accepting an operation of the cross key 163 on the browsing screen 102, changing the page number in the display page number storage area 125, and causing the display unit 15 to display the contents of the page with the changed page number.

  Then, when the processes of S1 to S6 are repeatedly performed and an instruction to turn off the power is given (S1: YES), this process ends. After the process for turning off the power is performed, the browsing terminal 1 is turned off. Is done.

  Next, the print instruction process will be described with reference to the flowchart of FIG. As described above, this print instruction process is executed when the print button 161 is pressed (FIG. 10, S3: YES). First, it is determined whether or not an instruction to print the content being displayed is made based on whether or not the viewing screen 102 is displayed on the display unit 15 (S11). When the instruction is to print the content being displayed (S11: YES), the content ID stored in the display content ID storage area 124 and the page number stored in the display page number storage area 125 are the mark content storage area 121. (S14). Then, the print instruction process ends, and the process returns to the main process.

  On the other hand, if it is not a print instruction for the displayed content (S11: NO), it is determined whether or not the print instruction is from the list depending on whether or not the content list screen 101 is displayed (S12). If the print instruction is from the list (S12: YES), the content ID stored in the selected content ID storage area 123 is stored in the mark content storage area 121 (S13). Then, the print instruction process ends, and the process returns to the main process. If it is not a print instruction from the list (S12: NO), the print button 161 is pressed on a screen that is neither the browsing screen 102 nor the content list screen 101. Without doing anything, this process ends and returns to the main process.

  Next, the determination process will be described with reference to the flowchart of FIG. As described above, this determination process is executed when the determination button 162 is pressed (FIG. 10, S4: YES). First, it is determined whether or not the content list screen 101 is displayed on the display unit 15 (S16). If it is the content list screen 101 (S16: YES), the content ID of the content selected by the cursor, that is, the content ID stored in the selected content ID storage area 123 is stored in the displayed content storage area 122, “1” is stored in the display page number storage area 125 (S17). Then, the first page of the content with the ID stored in the displayed content storage area 122 is displayed on the display unit 15 (S18). Then, the process returns to the main process.

  On the other hand, when the content list screen 101 is not displayed (S16: NO), other processes are performed (S19), and the process returns to the main process. Other processing is processing according to the screen and selection items, such as processing for determining an input item on another screen (for example, a setting screen) and storing the setting value in a predetermined storage area.

  Next, connection processing will be described with reference to the flowcharts of FIGS. As described above, this connection process is executed when a connection with the multifunction device 2 is detected (S10, S2: YES). First, the state of charge of the battery 19 is acquired (S21). The charge controller 17 measures and outputs the voltage of the battery 19. If the voltage of the battery 19 is 3 V or less (S22: YES), the voltage of the battery 19 is lowered and needs to be charged. Therefore, the MFP connection menu screen 113 (see FIG. 7) in which only the menu to be charged can be selected is displayed (S26). If the voltage of the battery 19 is not 3V or less (S22: NO), it is determined whether it is 3.8V or more (S23). When the voltage is 3.8 V or higher (S23: YES), charging is sufficiently performed, and charging is not necessary. Therefore, the MFP connection menu screen 112 (see FIG. 6) in which only menus that are not charged can be selected is displayed (S25). If it is not 3.8V or higher (S23: NO), the battery is larger than 3V and smaller than 3.8V, so it may be charged or not charged. Therefore, the MFP connection menu screen 111 capable of selecting all menus is displayed (S24).

  When the MFP connection menu screen 110 is displayed (S24, S25, S26), menu acceptance processing on the MFP connection menu screen 110 is performed (S27). Here, in response to pressing of the cross key 163, the number of the selected menu is stored in the selection menu storage area 126, and the cursor is moved. Then, when the determination button 162 is pressed, the process proceeds to S31. Even during the process of accepting the selection menu, if the connection with the multifunction device 2 is periodically confirmed and the connection with the multifunction device 2 is disconnected, the connection process is terminated. Return to the main process.

  First, in S31, it is determined whether or not the first menu has been selected (S31). If the value stored in the selection menu storage area 126 indicates the first menu (S31: YES), the first menu process is performed (S36, see FIG. 14). Then, the process proceeds to S41. If the value stored in the selected menu storage area 126 indicates the second menu, the first menu is not selected (S31: NO), and the second menu is selected (S32: YES), a second menu process is performed (S37, see FIG. 15). Then, the process proceeds to S41. If the value stored in the selected menu storage area 126 indicates the third menu, the second menu is not selected (S32: NO), and the third menu is selected (S33: YES), a third menu process is performed (S38, see FIG. 16). Then, the process proceeds to S41. If the value stored in the selection menu storage area 126 indicates the fourth menu, the third menu is not selected (S33: NO), and the fourth menu is selected (S34: YES), a fourth menu process is performed (see S39, FIG. 17). Then, the process proceeds to S41.

  If the value stored in the selection menu storage area 126 indicates the fifth menu, the fourth menu is not selected (S34: NO), and the fifth menu is selected (S35: YES), the fifth menu process is performed (S40, see FIG. 18). Then, the process proceeds to S41. If the value stored in the selection menu storage area 126 does not indicate the fifth menu (S35: NO), the process proceeds to S41.

  In S41, it is determined whether or not the MFP 2 is connected (S41). If it is connected to the MFP 2, the process returns to S21, and the state of charge of the battery 19 is acquired again (S21). And the process of S22-S41 is performed. If it is determined that the MFP 2 is not connected (S41: NO), the process returns to the main process.

  Next, the first menu process will be described with reference to FIG. The first menu process is a process that is performed when the first menu “print displayed content (do not charge)” is selected. Therefore, first, print data for printing the page stored in the display page number storage area 125 of the content with the content ID stored in the currently displayed content storage area 122 is created by the MFP 2, and the transmission / reception buffer is created. 18 and transmitted to the multifunction device 2 (S111). When the transmission is completed, a “transfer completion notification” is created, stored in the transmission / reception buffer 18, and transmitted to the multifunction device 2 (S112).

  When the MFP 2 receives the “transfer completion notification”, the MFP 2 executes printing, transmits a “print status notification” to the viewing terminal 1 at a predetermined timing, and transmits “print completion notification” when printing is completed. (See FIG. 19). Therefore, when the “print status notification” transmitted from the MFP 2 is received (S113: YES), the print status display screen 131 (see FIG. 8) is displayed based on the “print status notification” stored in the transmission / reception buffer 18. It is displayed (S114). The “print status notification” describes the total number of printed pages and the number of printed pages. Therefore, the message on the print status display screen 131 and the progress band graph 280 are created based on the number of pages. Then, the process returns to S113, and the determination of receiving the “print status notification” is made again (S113). If the “print status notification” has not been received (S113; NO), it is determined whether or not the “print completion notification” has been received (S115). If the “print completion notification” has not been received (S115: NO), the process returns to S113, and the determination of receiving the “print status notification” is made again (S113).

  The processes of S113 and S115 are repeated, and when the “print status notification” is received (S114), the print status display screen 131 is updated (S114). Then, the processes of S113 to S115 are further repeated, and when the “print completion notification” is received (S115: YES), this process ends, the process returns to the connection process, and the process returns to the main process. In the middle, when data transmission to the multifunction device 2 (S111, S112) cannot be performed, or while waiting for reception of a print status notification or print completion notification (S113: NO, S115: NO), connection to the multifunction device 2 is established. If is rejected, the first menu process ends, and the process returns to the connection process.

  As described above, when the first menu is selected, the multi-function device 2 is instructed to print the content being displayed, but is not charged.

  Next, the second menu process will be described with reference to FIG. The second menu process is a process performed when the second menu “print mark content (do not charge)” is selected. Therefore, first, print data for printing the designated page of the content with the content ID stored in the mark content storage area 121 by the multifunction device 2 is created, stored in the transmission / reception buffer 18, and transmitted to the multifunction device 2. (S121). When the transmission is completed, a “transfer completion notification” is created, stored in the transmission / reception buffer 18, and transmitted to the multifunction device 2 (S122).

  When the MFP 2 receives the “transfer completion notification”, the MFP 2 executes printing, transmits a “print status notification” to the viewing terminal 1 at a predetermined timing, and transmits “print completion notification” when printing is completed. (See FIG. 19). Therefore, when the “print status notification” transmitted from the MFP 2 is received (S123: YES), the print status display screen 131 (see FIG. 8) is displayed based on the “print status notification” stored in the transmission / reception buffer 18. It is displayed (S124). Then, the process returns to S123, and the determination of receiving the “print status notification” is made again (S123). If the “print status notification” has not been received (S123; NO), it is determined whether or not the “print completion notification” has been received (S125). If the “print completion notification” has not been received (S125: NO), the process returns to S123, and the determination of receiving the “print status notification” is made again (S123).

  The processes of S123 and S125 are repeated, and when the “print status notification” is received (S124), the print status display screen 131 is updated (S124). Then, the processes of S123 to S125 are further repeated, and when the “print completion notification” is received (S125: YES), this process ends, returns to the connection process, and returns to the main process. In the middle, when data transmission to the multifunction device 2 (S121, S122) cannot be performed, or while waiting for reception of a print status notification or print completion notification (S123: NO, S125: NO), connection to the multifunction device 2 is established. If is rejected, the second menu process is terminated and the process returns to the connection process.

  As described above, when the second menu is selected, the MFP 2 is instructed to print the mark content, but is not charged.

  Next, the third menu process will be described with reference to FIG. The third menu process is a process performed when the third menu “print (charge) displayed content” is selected. Therefore, first, the charging controller 17 is instructed to start charging the battery 19, and charging is started (S130). Then, print data for printing the page stored in the display page number storage area 125 of the content with the content ID stored in the currently displayed content storage area 122 is created in the transmission / reception buffer 18. It is stored and transmitted to the multifunction device 2 (S131). When the transmission is completed, a “transfer completion notification” is created, stored in the transmission / reception buffer 18, and transmitted to the multi-function device 2 (S132).

  When the MFP 2 receives the “transfer completion notification”, the MFP 2 executes printing, transmits a “print status notification” to the viewing terminal 1 at a predetermined timing, and transmits “print completion notification” when printing is completed. (See FIG. 19). Therefore, when the “print status notification” transmitted from the MFP 2 is received (S133: YES), the print status display screen 131 (see FIG. 8) is displayed based on the “print status notification” stored in the transmission / reception buffer 18. It is displayed (S134). Then, the process returns to S133, and the determination of receiving the “print status notification” is made again (S133). If the “print status notification” has not been received (S133; NO), it is determined whether or not the “print completion notification” has been received (S135). If the “print completion notification” has not been received (S135: NO), the process returns to S133, and the determination of the reception of the “print status notification” is made again (S133).

  The processes of S133 and S135 are repeated, and when the “print status notification” is received (S134), the print status display screen 131 is updated (S134). Then, when the processes of S133 to S135 are further repeated and the “print completion notification” is received (S135: YES), the charging state of the battery 19 is acquired (S136), and the charging screen 132 (see FIG. 9) is displayed. It is displayed (S137). Then, an inquiry is made to the charge controller 17 to determine whether or not the charging is completed (S138). If the charging is not completed (S138: NO), the process returns to S136, the charging state of the battery 19 is acquired again (S136), and the charging screen 132 is updated (S137). Then, the processes of S136 to S138 are repeatedly performed, and when charging is completed (S138: YES), this process ends, the process returns to the connection process, and the process returns to the main process. In the meantime, when data transmission (S131, S132) to the multifunction device 2 cannot be performed, or while waiting for reception of a print status notification or print completion notification (S133: NO, S135: NO), connection to the multifunction device 2 is established. If the power is cut off or the power supply to the battery 19 is cut off, the third menu process is terminated and the process returns to the connection process.

  As described above, when the third menu is selected, an instruction to print the content being displayed is given to the multifunction device 2. Furthermore, the browsing terminal 1 is also charged.

  Next, the fourth menu process will be described with reference to FIG. The fourth menu process is a process performed when the fourth menu “print mark content (charge)” is selected. Therefore, first, the charging controller 17 is instructed to start charging the battery 19, and charging is started (S140). Then, print data for printing the designated page of the content with the content ID stored in the mark content storage area 121 is created, stored in the transmission / reception buffer 18, and transmitted to the multifunction device 2 (S141). ). When the transmission is completed, a “transfer completion notification” is created, stored in the transmission / reception buffer 18, and transmitted to the multifunction device 2 (S142).

  When the MFP 2 receives the “transfer completion notification”, the MFP 2 executes printing, transmits a “print status notification” to the viewing terminal 1 at a predetermined timing, and transmits “print completion notification” when printing is completed. (See FIG. 19). Therefore, when the “print status notification” transmitted from the multifunction device 2 is received (S143: YES), the print status display screen 131 (see FIG. 8) is displayed based on the “print status notification” stored in the transmission / reception buffer 18. It is displayed (S144). Then, the process returns to S143, and the determination of receiving the “print status notification” is performed again (S143). If the “print status notification” has not been received (S143; NO), it is determined whether or not the “print completion notification” has been received (S145). If the “print completion notification” has not been received (S145: NO), the process returns to S143, and the determination of reception of the “print status notification” is made again (S143).

  The processes of S143 and S145 are repeated, and when the “print status notification” is received (S144), the print status display screen 131 is updated (S144). Then, the processing of S143 to S145 is further repeated, and when the “print completion notification” is received (S145: YES), the charging state of the battery 19 is acquired (S146), and the charging screen 132 (see FIG. 9) is displayed. It is displayed (S147). Then, an inquiry is made to the charge controller 17 to determine whether or not the charging is completed (S148). If the charging is not completed (S148: NO), the process returns to S146, the charging state of the battery 19 is acquired again (S146), and the charging screen 132 is updated (S147). Then, the processes of S146 to S148 are repeated, and when charging is completed (S148: YES), this process ends, the process returns to the connection process, and the process returns to the main process. In the meantime, when data transmission (S141, S142) cannot be performed to the multifunction device 2 or during reception of a print status notification or print completion notification (S143: NO, S145: NO), connection to the multifunction device 2 is established. If the power is cut off or the power supply to the battery 19 is cut off, the fourth menu process is terminated and the process returns to the connection process.

  As described above, when the fourth menu is selected, a mark content print instruction is issued to the multifunction device 2. Furthermore, the browsing terminal 1 is also charged.

  Next, the fifth menu process will be described with reference to FIG. The fifth menu process is a process performed when the fifth menu “charge” is selected. Therefore, first, the charging controller 17 is instructed to start charging the battery 19, and charging is started (S150). Then, the charging state of the battery 19 is acquired (S151), and the charging screen 132 (see FIG. 9) is displayed (S152). Then, an inquiry is made to the charge controller 17 to determine whether or not the charging is completed (S153). If the charging is not completed (S153: NO), the process returns to S151, the charging state of the battery 19 is acquired again (S151), and the charging screen 132 is updated (S152). Then, the processes of S151 to S153 are repeatedly performed, and when charging is completed (S153: YES), this process ends, the process returns to the connection process, and the process returns to the main process. If the supply of power to the battery 19 is cut off, the first menu process ends and the process returns to the connection process.

  As described above, when the fifth menu is selected, only the browsing terminal 1 is charged.

  Next, with reference to the flowchart of FIG. 19, the MFP process performed by the MFP 2 will be described. FIG. 19 is a flowchart of MFP processing performed in the MFP 2. This multifunction peripheral process is a process that is started when the connection of the browsing terminal 1 is detected. When connected to the multifunction device 2, the browsing terminal 1 displays the multifunction device connection menu screen 110, accepts a selection from the first menu to the fifth menu, and performs processing according to the menu (see FIG. 13). In the first menu to the fourth menu, print data is transmitted from the communication connector 38. In the fifth menu, since only charging is performed, data transmission from the communication connector 38 is not performed.

  Therefore, it is determined whether or not print data has been received from the communication connector 48 (S201). When print data is received from the communication connector 48, the received print data is stored in the print buffer 29. Therefore, a determination is made as to whether or not the print data has been received based on whether or not the print data is stored in the print buffer 29 (S201). If print data has not been received (S201: NO), it is repeatedly determined to receive print data (S202). When print data is received (S201: YES), a determination is made as to whether or not a “transfer completion notification” to be transmitted next has been received (S202). If the “transfer completion notification” has not been received (S202: NO), it is repeatedly judged whether the “transfer completion notification” has been received (S202). If the “transfer completion notification” is received (S202: YES), the print buffer The printing unit 28 prints the print data stored in the print job 29 (S203). Then, a “print status notification” is transmitted to the viewing terminal 1 (S204). Here, the total number of printed pages is acquired from the print data, and the number of printed pages is acquired from the printing unit 28. In the “print status notification”, the total number of printed pages and the number of printed pages are described and transmitted from the communication connector 48.

  Then, a determination is made as to whether printing has been completed (S205). If the total number of printed pages is the same as the number of printed pages, it is determined that printing of all pages is complete (S205: YES). If the total number of printed pages and the number of printed pages are not the same and printing has not been completed (S205: NO), the process returns to S204, and a “print status notification” is transmitted to the viewing terminal 1 again (S204). ). Then, the processes of S204 and S205 are repeatedly executed, and when printing is completed (S205: YES), a “print completion notification” is transmitted to the viewing terminal 1 (S206). Then, the process returns to S201, and the determination of receiving print data is made again (S201).

  In addition, while waiting for reception of print data (S201: NO, S201) or waiting for reception of a transfer completion notification (S202: NO, S202), connection with the viewing terminal 1 is performed periodically. Is detected and the connection process is terminated, the MFP process ends. In addition, when the print status notification or the print completion notification cannot be transmitted to the viewing terminal 1 in S204 or S206, the multifunction peripheral processing is terminated assuming that the connection with the viewing terminal 1 is disconnected. Note that this process is performed when the fifth menu is selected, and in the case of the terminal, the reception of print data is kept waiting (S201: NO, S201). Then, at the time when charging is completed and the user releases the connection of the browsing terminal 1, it is assumed that the connection with the browsing terminal 1 is disconnected, and this multifunction peripheral processing is terminated.

  As described above, when the browsing terminal 1 is connected to the multifunction device 2, not only the printing instruction but also the charging instruction can be performed. In the MFP connection menu screen 110 used at that time, a menu that can be selected based on the remaining battery level of the battery 19 is determined. When the voltage of the battery 19 is 3 V or less and the remaining battery level is low, it is necessary to charge, so only the menu for charging can be selected (see the MFP connection menu screen 113 in FIG. 7). In addition, when the voltage of the battery 19 is 3.8V or higher and the battery 19 is fully charged, it is overcharged by charging and the menu for charging cannot be selected so as not to put a burden on the battery 19. (See the MFP connection menu screen 112 in FIG. 6). When the voltage of the battery 19 is not 3 V or less or 3.8 or more, a menu for charging or a menu for not charging can be selected (see the MFP connection menu screen 111 in FIG. 5).

  Therefore, since charging is always performed when charging is necessary, it is possible to prevent the browsing terminal 1 from accidentally running out of batteries. Furthermore, since it is not possible to charge the battery 19 when it is better not to charge it, the battery 19 can be protected from overcharging. Furthermore, when it is not necessary to charge or not, the user can select whether or not to charge. Therefore, charging can be performed by connecting to a printing apparatus, and it is not necessary to connect to another device just for charging, which is convenient. In addition, since there is a menu (fifth menu) for charging only, charging can be performed by connecting to the multifunction device 2 even when printing is not necessary. Therefore, there is no need for a device that is used only for charging.

  Also, in the above embodiment, printing of the displayed content can be instructed, or content can be selected from the list and instructed to be printed, so that the printing instruction can be flexibly performed.

  The browsing terminal 1 in the above embodiment corresponds to a “display device”, and the multifunction device 2 corresponds to a “printing device”. “Print data” and “transfer completion notification” transmitted from the viewing terminal 1 to the MFP 2 correspond to “printing instructions”, and the communication connector 38 of the viewing terminal 1 corresponds to “printing instruction connecting means”. The charging connector 39 of the viewing terminal 1 corresponds to “power receiving connection means”. The communication connector 48 of the multifunction device 2 corresponds to “display device connecting means”, and the charging connector 49 of the multifunction device 2 corresponds to “power supply means”. The charge controller 17 that measures the voltage of the battery 19 corresponds to “battery remaining amount detecting means”. 3.8V corresponds to the “first predetermined value” and 3V corresponds to the “second predetermined value”.

  Then, the “print the displayed content (do not charge)” menu which is the first menu and the “print mark content (do not charge)” menu which is the second menu become the “menu for instructing to execute only printing”. Applicable. Then, the first menu “Print the displayed content (do not charge)” menu is changed to “the menu for printing the content displayed on the display unit when it is determined that the connection determination unit has connected”. Correspondingly, the second menu “print mark contents (do not charge)” menu corresponds to “menu for print instruction of content instructed by the print instruction means”.

  Then, the “print (charge) currently displayed content” menu, which is the third menu, and the “print (charge) mark content”, which is the fourth menu, provide instructions for executing both printing and charging. Corresponds to “Menu”. Then, the third menu “print (charge) the displayed content” menu “both the print instruction and charge of the content displayed on the display means when it is determined that the connection determination means has connected. The fourth menu “Print Mark Content (Charge)” corresponds to the “Instruction to execute both content printing instruction and charging instructed by the print instruction means”. Corresponds to “Menu”.

  The browsing terminal controller 10 that determines whether or not both the communication connector 38 and the charging connector 39 are connected to the multi-function device 2 in S2 of the main process shown in FIG. 10 corresponds to “connection determination means”. . In S24, S25, and S26 of the connection process shown in FIG. 13, the viewing terminal controller 10 that performs the process of displaying the multifunction machine connection menu screen 110 on the display unit 15 corresponds to “menu display control means”. The browsing terminal controller 10 that performs processing for accepting menu selection on the machine connection menu screen 110 corresponds to “selection accepting means”. Then, in accordance with the menu selected in S31 to S34 and S36 to S39, the browsing terminal controller 10 that performs only the printing instruction or performs the printing instruction and charging corresponds to the “print charging control unit”. Then, it is detected that the print button 161 is pressed on the content list screen 101 or the browsing screen 102 (main processing S3: YES), and the content ID is stored in the mark content storage area 121 in the print instruction processing (S6, FIG. 11). The browsing terminal controller 10 that performs the storing process corresponds to the “print instruction unit”.

  The display device, the charge control system, and the display device program of the present invention are not limited to the above-described embodiments, and various changes can be made without departing from the scope of the present invention. . In the above embodiment, the multifunction device 2 is used as the “printing device”. However, the “printing device” may not have a function other than printing as in the multifunction device. The display device may be connected to a device (corresponding to an “external device”) that can issue a printing instruction to the printing device instead of a printing device that includes a printing unit. For example, the display device is connected to a personal computer to which a printer is connected (direct connection or connection via a network).

  In the above embodiment, the “first predetermined value” is 3.8 V and the “second predetermined value” is 3 V. However, the “first predetermined value” and the “second predetermined value” It goes without saying that "value" is not limited to these values. The “first predetermined value” is a voltage value in a state where the battery 19 is sufficiently charged or a voltage value slightly smaller than the voltage value, that is, if charging is performed, the battery 19 may be overcharged. Any voltage value may be used. The “second predetermined value” may be a voltage value that is at least charged to drive the browsing terminal 1 or a voltage value that is much smaller than that, that is, a voltage value that requires charging.

  In addition, although the printing unit 28 of the multifunction device 2 performs ink jet printing, the printing method is not limited to this, and other printing methods may be used. For example, a printing method such as a laser method or a thermal transfer method may be used. In the above embodiment, when the viewing terminal 1 is connected to the multifunction device 2 in order to issue a print instruction, charging or charging can be selected. The device that supplies power to 19 need not be a printing device. For example, it may be an external device connected to acquire data used by the browsing terminal 1 (for example, content data or data used by a program). Then, on the menu screen displayed when a processing instruction (data reception, data transmission, etc.) is given to the external device, charging is performed along with the processing instruction based on the remaining battery level of the battery 19. Alternatively, a menu for performing the process or a menu for performing only the process instruction may be displayed. For example, a “content acquisition (with charging)” menu and a “content acquisition (without charging)” menu.

  In the above-described embodiment, it is assumed that the state of charge of the battery 19 is acquired (S21), and the MFP connection menu screen 111 in which the menu that can be selected according to the state of charge is changed is displayed (S24 to S26). However, the present invention is not limited to this. For example, a menu screen (multifunction device connection menu screen 111 as shown in FIG. 5) that allows selection of whether or not to charge is always displayed without acquiring the charge state of the battery 19. In the above-described embodiment, it has been described that printing is designated and print data of content is generated by the browsing terminal 1 and transmitted to the printing apparatus. However, the present invention is not limited to this. For example, the multifunction device 2 that has received a content print instruction from the browsing terminal may acquire print data of the content instructed to print from a content server on the network.

  Moreover, in the browsing terminal 1 of the said embodiment, although the power switch which turns OFF / ON a power supply is provided, it does not necessarily need to provide a power switch. In this case, the process S1 of the main process shown in FIG. 10 is not performed.

FIG. 2 is a schematic diagram illustrating an electrical configuration of a browsing terminal 1 and a multifunction device 2. 6 is a front view of the browsing terminal 1 in a state where a content list screen 101 is displayed on a display unit 15. FIG. 3 is a schematic diagram illustrating a configuration of a storage area provided in a RAM 12 of the browsing terminal 1. FIG. FIG. 3 is a front view of the browsing terminal 1 in a state where a browsing screen 102 is displayed on the display unit 15. FIG. 3 is a front view of the browsing terminal 1 in a state in which a multifunction device connection menu screen 111 capable of selecting all menus is displayed on the display unit 15. FIG. 6 is a front view of the viewing terminal 1 in a state where a multifunction device connection menu screen 112 on which only a menu that is not charged can be selected is displayed on the display unit 15. FIG. 6 is a front view of the browsing terminal 1 in a state where a multifunction device connection menu screen 113 in which only a menu to be charged can be selected is displayed on the display unit 15. 3 is a front view of the browsing terminal 1 in a state where a print state display screen 131 is displayed on a display unit 15. FIG. FIG. 3 is a front view of the browsing terminal 1 in a state where a charging screen 132 is displayed on the display unit 15. It is a flowchart of the main process of the browsing terminal. It is a flowchart of the print instruction process performed in the main process. It is a flowchart of the display process performed in a main process. It is a flowchart of the connection process performed in a main process. It is a flowchart of the 1st menu process performed in a connection process. It is a flowchart of the 2nd menu process performed in a connection process. It is a flowchart of the 3rd menu process performed in a connection process. It is a flowchart of the 4th menu process performed in a connection process. It is a flowchart of the 5th menu process performed in a connection process. 5 is a flowchart of multifunction machine processing performed in the multifunction machine 2;

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Browse terminal 2 Multifunction machine 10 Browse terminal controller 14 Display controller 15 Display part 16 Operation key 17 Charge controller 19 Battery 20 Multifunction machine controller 27 Power supply part 28 Printing part 38 Communication connector 39 Charging connector 48 Communication connector 49 Charging Connector 101 Content list screen 102 Browsing screen 110 MFP connection menu screen 111 MFP connection menu screen 112 MFP connection menu screen 113 MFP connection menu screen 121 Mark content storage area 122 Displayed content storage area 126 Selection menu storage area 161 Print button

Claims (7)

A display device comprising display means,
Content storage means for storing content;
A battery for supplying power;
A print instruction connection means for connecting to the printing apparatus or the external apparatus in order to transmit a print instruction for instructing printing of the content to the printing apparatus or an external apparatus connected to the printing apparatus;
In order to receive a power supply for charging the battery from the printing device or the external device, a power receiving connection means for connecting to the printing device or the external device;
Connection determining means for determining whether both the print instruction connecting means and the power receiving connecting means are connected;
A menu display control means for displaying on the display means a menu for an instruction to execute only printing and a menu for executing both printing and charging when it is determined that the connection is determined by the connection determination means;
Selection accepting means for accepting selection of any of the menus displayed on the display means by the menu display control means;
When the selection accepting unit selects an instruction menu for executing only the printing, the printing instruction connecting unit transmits the printing instruction, and the power receiving connecting unit does not accept the supply of power, and the printing and charging. A print charge control means for transmitting the print instruction from the print instruction connection means and charging the battery by receiving power from the power receiving connection means when a menu of instructions for executing both is selected. A display device comprising: A battery level detecting means for detecting a battery level of the battery;
When the remaining battery level detected by the remaining battery level detection unit is larger than a first predetermined value, the menu display control unit is an instruction menu for causing the display unit to perform both the printing and the charging. The display device according to claim 1, wherein the display device is not displayed. A battery level detecting means for detecting a battery level of the battery;
When the remaining battery level detected by the remaining battery level detection unit is smaller than a second predetermined value, the menu display control unit does not cause the display unit to display a menu for executing only the printing. The display device according to claim 1 or 2. A battery level detecting means for detecting a battery level of the battery;
When the remaining battery level detected by the remaining battery level detection unit is a value within a predetermined range, the menu display control unit performs a menu of instructions for executing only the printing, and both the printing and charging. 4. The display device according to claim 1, wherein both menus of instructions to be executed are displayed on the display means. Printing instruction means for instructing printing of any of the contents stored in the content storage means,
In the menu display control means, the menu for instructing to execute only the printing is the menu for instructing to print the content displayed on the display means when it is determined that the connection determination means is connected, and the print instruction means The content displayed on the display unit when the connection determining unit determines that the connection determining unit displays the instruction menu for executing both printing and charging. 2. An instruction menu for executing both printing instructions and charging, and an instruction menu for executing both printing instructions and charging of contents instructed by the print instructing means. 5. The display device according to any one of 4. A display device according to any one of claims 1 to 5,
A printing device comprising printing means for performing printing, or an external device connected to the printing device,
The printing apparatus or an external apparatus connected to the printing apparatus is
Display device connection means for connecting to the display device for receiving a content print instruction;
A charge control system comprising power supply means for supplying power to the battery of the display device.   A display device program for causing a computer to function as various processing means of the display device according to claim 1.

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