Display control device, display control method, and program

Abstract

To provide a display control device for realizing display of further appropriate pop-up information while preventing a user from deleting the pop-up information without fully recognizing contents thereof.SOLUTION: When a display unit acquires pop-up information outputted by a pop-up, a display control device sets deletion disallowed time, disallowing deletion of the pop-up information until a prescribed time elapses from when the display unit outputs the pop-up information, in accordance with an information amount of the pop-up information. If a deletion instruction to delete the outputted pop-up information is accepted while the deletion disallowed time has not been elapsed, the display control device retains outputting the pop-up information.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to a display control device, a display control method, and a program, and particularly relates to the control of pop-ups.

Background Art

[0002] As one of the information notification methods using a display device, there is a pop-up. A pop-up is a mechanism for outputting information at a predetermined timing in a predetermined display area of a screen provided in the display device. Pop-ups are used, for example, for advertisements, notifications of confirmations or cautions to users. The information and images to be displayed in a pop-up in a predetermined display area are hereinafter referred to as "pop-up information" or, for short, "PU information".

[0003] Patent Document 1 below discloses display control in which when the current position and the information provision start position match, pop-up information is output to the touch panel screen, and if there is no instruction input to the touch panel screen within a predetermined time after the pop-up information is output, the pop-up information is deleted. In other words, display control is disclosed in which the pop-up information continues to be output for a predetermined time after the pop-up information is output.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] By the way, when the output pop-up information is unnecessary information for the user, if the pop-up information continues to be output for a predetermined time, the user may feel uncomfortable. Therefore, it is conceivable to enable the deletion of the output pop-up information by the user's operation.

[0006] However, if such a deletion function is provided, there is a possibility that the user may accidentally perform an operation and delete the pop-up information before recognizing the content of the pop-up information.

[0007] For example, when displaying pop-up information on a touch panel display of an in-vehicle device mounted on a vehicle, since the moving vehicle is shaking, there is a possibility that the user may accidentally delete the pop-up information before recognizing the content when operating the touch panel display.

[0008] As one aspect, an object of the present invention is to provide a display control device, a control method for pop-up display, and a program that realize appropriate display of pop-up information while suppressing the user from deleting the pop-up information without sufficiently recognizing the content.

Means for Solving the Problems

[0009] (1) A display control device according to an aspect of the present disclosure includes an acquisition unit, a setting unit, a control unit, and a reception unit. The acquisition unit acquires pop-up information to be output as a pop-up on a display unit. The setting unit sets a non-deletable time during which deletion of the pop-up information is disabled until a predetermined time has elapsed since the display unit outputs the pop-up information, and sets the non-deletable time based on the amount of information of the pop-up information. The control unit causes the acquired pop-up information to be output to the display unit and controls deletion of the pop-up information output by the display unit. The reception unit receives a deletion instruction for deleting the pop-up information output by the display unit. The control unit causes the display unit to maintain output of the pop-up information when the reception unit receives a deletion instruction while the non-deletable time has not elapsed.

[0010] (2) In the display control device of (1) above, the setting unit may further set a deletion time for automatically deleting the pop-up information output by the display unit corresponding to the non-deletable time, and the deletion time may be longer than the non-deletable time.

[0011] (3) In the display control device according to (1) or (2) above, after the control unit causes the display unit to output the pop-up information, if the reception unit receives a deletion instruction while the non-deletion time has not elapsed, the control unit may perform control to delete the pop-up information after the non-deletion time has elapsed.

[0012] (4) In the display control device according to any one of (1) to (3) above, the display unit is a touch panel display having a screen for outputting the pop-up information, the pop-up information is output surrounded by a frame-shaped pop-up window, and the deletion instruction is generated based on an operation of touching inside the pop-up window.

[0013] (5) In the display control device according to (4) above, when the acquisition unit acquires a plurality of pop-up information and the times for outputting each pop-up information overlap, the control unit may cause the display unit to output the plurality of pop-up information together in one pop-up window.

[0014] (6) A display control method according to one aspect of the present disclosure is a display control method for pop-up information to be output as a pop-up on a display unit. The non-deletion time during which deletion of the pop-up information is disabled is set from the time when the pop-up information is acquired until a predetermined time has elapsed after the display unit outputs the pop-up information. The non-deletion time is set based on the amount of information of the pop-up information. When a deletion instruction for deleting the pop-up information output by the display unit is received while the non-deletion time has not elapsed, the display unit is caused to maintain the output of the pop-up information.

[0015] (7) A program according to one aspect of the present disclosure is a program that causes a computer to execute display control processing for pop-up information. The display control processing includes: a step of acquiring pop-up information to be output as a pop-up to a display unit; setting, as a non-deletable time during which deletion of the pop-up information is not allowed, a period from when the display unit outputs the pop-up information until a predetermined time has elapsed, and setting the non-deletable time based on the amount of information of the pop-up information; and a step of causing the display unit to maintain output of the pop-up information when a deletion instruction for deleting the pop-up information output by the display unit is received while the non-deletable time has not elapsed.

Effect of the Invention

[0016] By using the present invention, appropriate display of pop-up information can be realized.

Brief Description of the Drawings

[0017]

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[0018] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0019] [Overview of In-vehicle System 1] As shown in FIG. 1, the in-vehicle system 1 includes a display control device 11, a display unit 16, a navigation device 17, and a communication unit 18. The navigation device 17 is connected to a vehicle control ECU (Electronic Control Unit) 2. The in-vehicle system 1 is mounted on a vehicle (not shown). The vehicle is an automobile, a motorcycle, or the like.

[0020] The display control device 11 of the in-vehicle system 1 notifies the user of information by causing the display unit 16 to output the current position guidance information generated by the navigation device 17 and various vehicle information notified from the vehicle control ECU 18.

[0021] The display unit 16 is a touch panel display, includes a screen having a predetermined display area, and has a function of outputting information to the display area. The display unit 16 also has a function of receiving a predetermined instruction input for the information by a user performing a touch operation on the information output to the display area.

[0022] The navigation device 17 includes a GPS (Global Positioning System) unit 171, an inertial navigation unit 172, a navigation control unit 173, and a map information storage unit 174. Note that since the basic configuration and operation of the navigation device 17 are realized by known technologies, detailed descriptions are omitted.

[0023] The GPS unit 171 has a function of receiving radio waves from a plurality of GPS satellites arranged in the sky and calculating the current position. The inertial navigation unit 172 includes a gyro sensor and an acceleration sensor, and has a function of calculating the current position based on the direction and acceleration detected by these sensors and the vehicle speed pulse received from the vehicle control ECU 2.

[0024] The navigation control unit 173 acquires the current positions calculated by the GPS unit 171 and the inertial navigation unit 172, performs a matching process between the map data stored in the map information storage unit 174 and the current positions, generates current position guidance information indicating the current positions on the map, and transmits it to the display control device 11. When the user sets a destination, the navigation control unit 173 generates route guidance information from the current position to the destination and transmits it to the display control device 11.

[0025] When the navigation control unit 173 receives information related to the running of the vehicle, such as gasoline remaining amount information and battery information, from the vehicle control ECU 2 in addition to the current position guidance information, it generates pop-up information based on this information and transmits it to the display control device 11.

[0026] The pop-up information is the information displayed by the display unit 16 in a pop-up manner, for example, information for raising awareness regarding the vehicle, or guidance information for a location. The information for raising awareness is, for example, information for promoting safe driving by detecting an impact or a rapid acceleration, or information for providing replenishment guidance by detecting a decrease in the remaining amount of gasoline or the remaining amount of washer fluid.

[0027] The guidance information for a location is, for example, information on the gasoline price of the nearest gas station, or information on special products sold at souvenir shops. The information regarding the road conditions during travel is, for example, chain restriction information due to road freezing, or traffic jam information.

[0028] The vehicle control ECU 2 has a function of controlling the driving function of the vehicle, and transmits information regarding the driving of the vehicle, such as vehicle speed pulses, remaining gasoline amount information, battery information, etc., to the navigation device 17.

[0029] The communication unit 18 has a function of connecting to the Internet and receiving pop-up information from an external server. Examples of the pop-up information received from the external server include weather information for a predetermined area including the current location, information regarding the road conditions during travel, emergency information, etc.

[0030] Examples of the information regarding the road conditions during travel include traffic jam information, accident occurrence information, and traffic control information. Examples of the emergency information include information regarding emergency situations such as typhoons, earthquakes, and volcanic eruptions.

[0031] As hardware, the display control device 11 includes an input / output interface (I / O) 12, a ROM (Read Only Memory) 13, a CPU (Central Processing Unit) 14, and a RAM (Random Access Memory) 15. The I / O 12, ROM 13, CPU 14, and RAM 15 are interconnected via a bus.

[0032] The ROM 13 stores a program for causing the CPU 14 to execute display control processing described later. The CPU 14 reads out the program stored in the ROM 13 and expands it in the RAM 15. By executing the program expanded in the RAM 15, the CPU 14 operates as an acquisition unit 141, a setting unit 142, a reception unit 143, a control unit 144, and a timing unit 145 shown in FIG. 2.

[0033] The acquisition unit 141 acquires popup information from the navigation device 17 and the communication unit 18 via the I / O 12. The popup information is output in a popup to the display unit 16 at the time when the acquisition unit 141 acquires it.

[0034] The setting unit 142 has a function of setting, as a non-deletable time during which deletion of the popup information is disabled, the period from when the display unit 16 outputs the popup information until a predetermined time elapses. The setting unit 142 sets the non-deletable time according to the amount of information of the popup information. The amount of information of the popup information is, for example, the number of characters.

[0035] The setting unit 142 may set a deletion time for automatically deleting the popup information together with the non-deletable time. For example, the setting unit 142 may set a non-deletable time t1 and a deletion time t2 associated with the number of characters of the popup information using the table shown in FIG. 3.

[0036] When the number of characters of the popup information is 25, the setting unit 142 sets the non-deletable time t1 to 3 seconds and the deletion time t2 to 4 seconds. That is, the deletion time t2 is set to a time longer than the non-deletable time t1.

[0037] When the number of characters of the popup information is 45, the setting unit 142 sets the non-deletable time t1 to 5 seconds and the deletion time t2 to "none". When the deletion time t2 is "none", automatic deletion is not performed.

[0038] The reception unit 143 has a function of receiving various instructions transmitted from the display unit 16 based on a touch operation by the user on the screen of the touch panel display. One of the instructions received by the reception unit 143 is a deletion instruction for deleting the pop-up information output by the display unit 16.

[0039] The control unit 144 has a function of causing the display unit 16 to output the acquired pop-up information and performing control to delete the pop-up information output by the display unit 16. The timing unit 145 has a function of posting the current date and time.

[0040] [Operation of the display control device 11] The display control processing flow shown in FIG. 4 will be described. Note that the symbol "S" shown in FIG. 4 means a step.

[0041] First, the acquisition unit 141 acquires pop-up information from the navigation device 17 and the communication unit 18 via the I / O 12 (S1). The setting unit 142 sets a non-deletable time t1 and a deletion time t2 based on the amount of information of the pop-up information acquired in S1 (S2). The deletion time t2 is set to be longer than the non-deletable time t1. Depending on the content of the pop-up information, it may not be necessary to set the deletion time t2.

[0042] The control unit 144 causes the display unit 16 to output the acquired pop-up information (S3). The timing unit 145 starts timing from the point in time when the pop-up information is output to the display unit 16 and measures the elapsed time.

[0043] When the reception unit 143 receives a deletion instruction for the pop-up information (S4: Yes), if the elapsed time has passed the non-deletable time t1 (S5: Yes), the control unit 144 performs control to delete the pop-up information output by the display unit 16 (S8). Thereafter, the control unit 144 returns to the process of S1.

[0044] When the reception unit 143 does not receive a deletion instruction for the pop-up information (S4: No) and the deletion time t2 has elapsed (S7: Yes), the control unit 144 performs control to delete the pop-up information output by the display unit 16 (S8). Thereafter, the control unit 144 returns to the process of S1.

[0045] In S5, when the elapsed time has not exceeded the non-deletable time t1 (S5: No), the control unit 144 causes the display unit 16 to highlight the frame of the pop-up information (hereinafter referred to as the "pop-up window") output by the display unit 16, and to perform an output to the display unit 16 indicating non-deletability by vibrating the pop-up window in the horizontal direction (S6). The pop-up information is displayed inside a framed pop-up window.

[0046] In the process of S6, the control unit 144 maintains the output without deleting the pop-up information and proceeds to the process of S7. When the elapsed time has not exceeded the deletion time t2 (S7: No), the control unit 144 returns to the process of S4.

[0047] [Specific example of pop-up information] Using FIGS. 5 to 16, a specific example of the pop-up information output in the display control process of the display control device 11 will be described. Note that the display contents of the screen 10 shown in FIGS. 5 to 17 are output in this order.

[0048] As shown in FIG. 5, on the screen 10 of the display unit 16, caution pop-up information 100 is output in a display area surrounded by a pop-up window. The caution pop-up information 100 has a cautionary content of "The gasoline remaining amount has reached 5 liters. The nearest gasoline station will be displayed." This corresponds to S3 of the display control process shown in FIG. 4.

[0049] The number of characters, which is the amount of information of the caution pop-up information 100, is 35 characters. The setting unit 142 sets the non-deletable time t1 to 4 seconds and the deletion time t2 to 5 seconds based on the table shown in FIG. 3.

[0050] The caution pop-up information 100 shown in FIG. 5 is generated by the navigation device 17 receiving the gasoline remaining amount information from the vehicle control ECU 2. The navigation device 17 transmits the generated caution pop-up information 100 to the display control device 11, and the display control device 11 causes the screen 10 of the display unit 16 to output the caution pop-up information 100.

[0051] FIG. 6 is a diagram showing that the user's finger 200 has touched the display area of the caution pop-up information 100. This corresponds to S4 in the display control process shown in FIG. 4.

[0052] FIG. 7 is a diagram showing a specific example of the output indicating that it is not deletable because the elapsed time has not passed the non-deletable time t1 as a result of the touch operation shown in FIG. 6. This corresponds to S6 in the display control process shown in FIG. 4.

[0053] As shown in FIG. 7, the control unit 144 causes the display unit 16 to output a display mode 150 indicating that it is not deletable by vibrating the pop-up window in the horizontal direction.

[0054] FIG. 8 is a diagram showing that the timing at which the user's finger 200 touches the display area of the caution pop-up information 100 indicates that the elapsed time has passed the non-deletable time t1. When the current time has passed the non-deletable time t1, the display mode of the pop-up window may be changed, for example, by changing the frame line of the pop-up window to a dotted line display.

[0055] FIG. 9 is a diagram showing the screen 10 from which the caution pop-up information 100 has been deleted by the touch operation shown in FIG. 8. This corresponds to S8 in the display control process shown in FIG. 4. Note that even if the touch operation shown in FIG. 8 is not performed, the control unit 144 deletes the caution pop-up information 100 from the screen 10 after the deletion time t2 has elapsed, and outputs a map that superimposes the location pop-up information indicating the location of the nearest gas station and the gas price.

[0056] FIG. 10 is an example of a map around the current position output for superimposing the point popup information generated by the navigation device 17. On the screen 10 of the display unit 16, an icon 50 indicating the current position of the vehicle is superimposed and displayed on the map around the current position of the vehicle.

[0057] FIG. 11 is a diagram output to the screen 10 of the display unit 16 by superimposing a first point icon 51 indicating the position of the nearest gas station and first point popup information 101 on the map. The first point popup information 101 includes gas price information of the XX gas station, etc. This corresponds to S3 of the display control process shown in FIG. 4.

[0058] FIG. 12 is a diagram output by the display unit 16 by superimposing a second point icon 52 indicating the position of a new nearest gas station and second point popup information 102 on the map as the vehicle moves further. The second point popup information 102 includes gas price information of the XX gas station, etc. This corresponds to S3 of the display control process shown in FIG. 4.

[0059] Note that since the amount of information does not fit within the popup window for the second point popup information 102, a part of the second point popup information 102 is output in a hidden state. In order to indicate that a part is in a hidden state, a triangle icon 103 is displayed at the lower right of the popup window of the second point popup information 102.

[0060] Here, when the user tries to touch the display area of the second point popup information 102 to open the hidden information, assume that the vehicle shakes greatly and the user's finger 200 accidentally touches the display area of the first point popup information 101. This corresponds to S4 of the display control process shown in FIG. 4.

[0061] FIG. 13 is a diagram showing a display mode of the first location pop-up information 101 when the user accidentally touches the display area of the first location pop-up information 101 and a deletion instruction for the first location pop-up information 101 is received.

[0062] After the first location pop-up information 101 is output to the screen 10 and the non-deletion time t1 has not elapsed, since the user touches the display area of the first location pop-up information 101, the control unit 144 causes the display unit 16 to highlight the frame of the pop-up window of the first location pop-up information 101 and output a display mode in which the pop-up window vibrates horizontally, indicating to the user that deletion is not possible. This corresponds to S6 of the display control process shown in FIG. 4.

[0063] FIG. 14 is a diagram showing that after the non-deletion time t1 has elapsed since the first location pop-up information 101 was output to the screen 10, the user touches the display area of the first location pop-up information 101 to delete the first location pop-up information 101.

[0064] In this case, since the non-deletion time t1 has elapsed, as shown in FIG. 15, the first location pop-up information 101 is deleted from the screen 10. This corresponds to S8 of the display control process shown in FIG. 4.

[0065] FIG. 15 is a diagram showing that after the second location pop-up information 102 is output to the screen 10 and the non-deletion time t1 has not elapsed, the user touches the display area of the second location pop-up information 102. In this case, since the non-deletion time t1 has not elapsed, the reception unit 143 receives the touch operation on the display area of the second location pop-up information 102 as an operation instruction to open the hidden information of the second location pop-up information 102.

[0066] As a result, as shown in FIG. 16, the control unit 144 expands the display area of the pop-up window and expands and outputs a part of the hidden information to the display unit 16.

[0067] [Other Modification Examples] In the above embodiment, it is conceivable that the acquisition unit 141 continuously acquires a plurality of pieces of pop-up information. In this case, the times for outputting each piece of pop-up information will overlap. However, each piece of pop-up information may be given a priority, and the pop-up information with a higher priority may be overlaid and output so as to be in front of the pop-up information with a lower priority.

[0068] FIG. 17 is a diagram showing an example in which caution pop-up information 100 regarding the remaining gasoline amount and emergency pop-up information 100a with a higher priority than that are overlaid and output on the screen 10. The emergency pop-up information 100a is information on the eruption warning of Mount 〇〇, and has a higher priority than the caution pop-up information 100. For example, the priority of the caution pop-up information 100 is set to "3", and the priority of the emergency pop-up information 100a is set to "5", and the pop-up information with a higher numerical value is regarded as the pop-up information with a higher priority.

[0069] The emergency pop-up information 100a is provided with a detail button 100b. By the user touching the display area of the pop-up window of the emergency pop-up information 100a, detailed information regarding the eruption warning of Mount 〇〇 can be output. The detailed information is, for example, information showing the position of Mount 〇〇 and the current position of the vehicle, and information showing on a map the area where entry is prohibited, etc.

[0070] Since the caution pop-up information 100 is output in a form hidden by the emergency pop-up information 100a, the timing for measuring the non-deletable time t1 and the deletion time t2 of the caution pop-up information 100 may be after the emergency pop-up information 100a is deleted from the screen 10 and the user can visually recognize it.

[0071] When the priorities of the pop-up information acquired by the acquisition unit 141 are equal, the two pieces of pop-up information may be output together in one pop-up window. For example, when the attention pop-up information regarding the remaining amount of gasoline is followed by the attention pop-up information regarding the remaining amount of washer fluid, as shown in FIG. 18, the control unit 144 may output the two pieces of pop-up information together as the attention pop-up information 100c to the display unit 16 for display.

[0072] As another modification example of the pop-up information, for example, when it takes a certain amount of time to read data, it is conceivable to output information indicating "data is being read" in a pop-up. In such a case, generally, when the data reading is completed, control is performed to delete the pop-up information from the screen 10.

[0073] However, when not only outputting "data is being read" on the screen but also including in the pop-up information the precautions when using the read data, etc., if the data reading time is short, it is conceivable that the user deletes the pop-up information before finishing reading the content described about the precautions.

[0074] Also, when an error occurs in the device, it is conceivable to display the error in a pop-up. Generally, when the error is resolved, control is performed to delete the pop-up information from the screen 10. For example, if an error occurs and is resolved within 1 second, the pop-up information is only output to the screen 10 for 1 second, so it is assumed that the user may not recognize what kind of error the pop-up information notified.

[0075] By applying the present invention, the non-deletable time and the deletion time of the pop-up information are set according to the amount of information of the pop-up information, so that the problem that the pop-up information is deleted without the user recognizing the content of the pop-up information can be suppressed.

[0076] In the above embodiment, the setting unit 142 set the non-deletable time t1 and the deletion time t2 associated with the number of characters of the pop-up information using the table shown in FIG. 3, but it may be calculated using a calculation formula instead of a table. Further, when the pop-up information does not contain characters and is only an image, the non-deletable time t1 and the deletion time t2 may be calculated using a predetermined calculation formula with the size of the image and the data amount of the image as the information amount of the pop-up information.

[0077] Note that the present invention is not limited to the above embodiment, and should be understood to include various modified forms and alternative forms of the above embodiment. For example, embodiments in which components are modified and embodied without departing from the spirit and scope of the present invention, embodiments in which a plurality of components disclosed in the above embodiment are appropriately combined, embodiments in which some components are deleted from all the components shown in the embodiment, or embodiments in which some components are added to the components shown in the embodiment are also included.

[0078] For example, in the above embodiment, the present invention is applied to the in-vehicle system 1 including the navigation device 17, but the present invention can also be applied to a system that does not include the navigation device 17 in the in-vehicle system 1.

[0079] In this case, for example, a system that performs display control on the pop-up information received by the communication unit 18 is assumed. Further, the present invention can also be applied to display control of a display unit provided in a device or system such as a smartphone, a computer, a management system for a facility or the like, an elevator, a remote operation system (for example, a remote operation system for a drone, etc.).

[0080] In the above-described embodiment, the deletion instruction received from the user is not limited to the touch operation on the screen 10 of the display unit 16. For example, using the voice recognition function, the voice generated by the user may be recognized to receive the deletion instruction, or using the image recognition function, the gesture operation of the user may be recognized to receive the deletion instruction. Further, the deletion instruction may be received using an input device such as a keyboard or a mouse.

[0081] The present invention may be realized not only as a display control device but also as a display control method for pop-up information output in a pop-up on the display unit 16, or a program for causing a computer to execute a display control process for pop-up information, or a storage medium storing such a program.

Explanation of Signs

[0082] 1 In-vehicle system 2 Vehicle control ECU 10 Screen 11 Display control device 12 I / O 13 ROM 14 CPU 15 RAM 16 Display unit 17 Navigation device 100 Caution pop-up information 101 First location pop-up information 102 Second location pop-up information 141 Acquisition unit 142 Setting unit 143 Reception unit 144 Control unit 171 GPS unit 172 Dead reckoning unit

Claims

1. An acquisition unit that acquires popup information to be output in a popup on a display unit; A setting unit that sets, as a non-deletable time during which deletion of the popup information is prohibited, a period from when the display unit outputs the popup information until a predetermined time has elapsed, and sets the non-deletable time based on the amount of information of the popup information; A control unit that causes the display unit to output the acquired popup information and controls deletion of the popup information being output by the display unit; A reception unit that receives a deletion instruction for deleting the popup information being output by the display unit, and when the control unit successively acquires a plurality of pieces of popup information, assigns priorities to each piece of popup information, superimposes the popup information with a higher priority in front of the popup information with a lower priority, and when the reception unit receives the deletion instruction while the non-deletable time has not elapsed, causes the display unit to maintain output of the popup information. A display control device characterized by the above.

2. In a display control method for popup information to be output in a popup on a display unit, acquire the popup information, set, as a non-deletable time during which deletion of the popup information is prohibited, a period from when the display unit outputs the popup information until a predetermined time has elapsed, and set the non-deletable time based on the amount of information of the popup information, when a deletion instruction for deleting the popup information being output by the display unit is received while the non-deletable time has not elapsed, cause the display unit to maintain output of the popup information, when successively acquiring a plurality of pieces of popup information, assign priorities to each piece of popup information and superimpose the popup information with a higher priority in front of the popup information with a lower priority. A display control method.

3. A program for causing a computer to execute a display control process for popup information, wherein the display control process includes a step of acquiring popup information to be output in a popup on a display unit, a step of setting, as a non-deletable time during which deletion of the popup information is prohibited, a period from when the display unit outputs the popup information until a predetermined time has elapsed, and setting the non-deletable time based on the amount of information of the popup information, When a deletion instruction for deleting the pop-up information output by the display unit is received while the non-deletable time has not elapsed, causing the display unit to maintain the output of the pop-up information; When continuously acquiring a plurality of pieces of pop-up information, assigning priorities to each piece of pop-up information and superimposing the pop-up information with a higher priority in front of the pop-up information with a lower priority. Program.

Images