JP2004146920A - Multifunctional electronic apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem of prior arts that a user takes much of trouble with operations in the case of using an electronic desk calculator mode provided with a mobile phone because the user starts the electronic desk calculator mode by way of a menu indicating a plurality of modes including the electronic desk calculator mode. <P>SOLUTION: In a multifunctional electronic apparatus, for example, in a waiting mode of a mobile phone 1, when a user operates numeric keys of a key operation section 3 to enter a numeral, a display section 7 displays the entered numeral and a short-cut key shifting to the electronic desk calculator mode. When the user operates the key operation section 3 and depresses a key corresponding to the short-cut key, the electronic desk calculator mode is started. Then the multifunctional electronic apparatus can recognize the numeral entered in the waiting mode as at least part of arithmetic entry numerals to save the operation trouble of the user and to realize operations visually and easily understandable by the user. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a multifunctional electronic device having an arithmetic function as a composite function.
[0002]
[Prior art]
2. Description of the Related Art Recently, multifunctional electronic devices, particularly mobile phones, have been widely spread, and mobile phones have been reduced in size, price, and multifunctional. In addition, desktop calculators capable of performing simple calculations such as four arithmetic operations, so-called calculators, have been reduced in size and price since the spread of mobile phones. As a conventional portable telephone, there is a portable telephone in which a calculator mode for performing a simple calculation is added. Specifically, the mobile phone is switched to the calculator mode, and calculation keys such as “+”, “−”, “×”, and “÷” are newly provided for use in calculation of addition, subtraction, multiplication, division, and calculation of a calculated value. Correspond to existing keys without the need. Then, a calculator mode capable of performing simple calculations is added to the mobile phone without hindering miniaturization and price reduction of the mobile phone (for example, see Patent Document 1).
[0003]
Also, in a conventional mobile phone equipped with a calculator mode, in consideration of ease of use, such as a user who is accustomed to a calculator key arrangement can perform calculations with a blind touch, the numbers for use as a telephone and for use as a calculator are considered. In some cases, the button assignment has been changed (for example, see Patent Document 2).
[0004]
Hereinafter, a conventional mobile phone having a calculator mode will be described with reference to FIGS. FIG. 6 is a schematic functional block diagram illustrating an electrical configuration of a mobile phone according to an embodiment of the related art, and FIG. 7 is a flowchart illustrating operation control when the mobile phone shifts to a calculator mode.
[0005]
As shown in FIG. 6, a mobile phone 31 according to the related art mainly includes a control unit 32, a key operation unit 33, a memory 34, an arithmetic circuit unit 35, a display driver unit 36, a display unit 37, an antenna 38, and a wireless unit. 39 and a communication control unit 40.
[0006]
As shown in FIG. 7, when the user presses the power key provided on the key operation unit 33 and instructs the mobile phone 31 to be turned on, the control unit 32 recognizes that the power is turned on. The display driver unit 36 and the display unit 37 are controlled to display a standby screen on the display unit 37 (step S21). Then, when the user presses a key of the key operation unit 33 corresponding to the menu key displayed simultaneously with the standby screen on the display unit 37 (step S22), the control unit 32 controls the display unit 37, and A menu screen is displayed on the display 37 (step S23).
[0007]
Next, when the user instructs to start the calculator mode according to the menu screen (YES in step S24), the control unit 31 controls the display unit 37 and the arithmetic circuit unit 35, and displays the calculator mode in the display unit 37. The calculation screen is displayed, and the user can use the calculator mode (step S25). On the other hand, if the user does not select the calculator mode in accordance with the menu screen (NO in step S24) and selects another menu (YES in step S26), the control unit 31 controls the display unit 37, and displays the other information on the display unit 37. Is displayed, and the user can use another mode (step S27). When the user follows the menu screen and does not select any other menu (NO in step S26) and presses the power key (YES in step S28), the control unit 32 controls the display unit 37, and Display a standby screen (step S29). Since other menus are not directly related to the present application, the description thereof is omitted here.
[0008]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 11-275657 (Pages 2-4, FIG. 1-FIG. 3)
[Patent Document 2]
JP-A-5-128069 (pages 1-3, FIGS. 1-3)
[0009]
[Problems to be solved by the invention]
As described above, for example, in the conventional mobile phone 31 having the calculator mode, after the user selects the calculator mode according to the menu screen displayed on the display unit 37, the control unit 32 operates the arithmetic circuit of the mobile phone 31. The section 35 was controlled to shift to the calculator mode. Then, the user has used the mobile phone 31 shifted to the calculator mode to perform simple calculations such as accounting after the dinner.
[0010]
However, in the conventional mobile phone 31 having the calculator mode, it is necessary to shift from the standby mode in which the standby screen is displayed on the display unit 7 to the calculator mode via the menu screen displayed on the display unit 37. was there. Therefore, in the conventional mobile phone 31, there is a problem that the calculator mode cannot be used immediately when the user desires, and the operation is troublesome for the user. In addition, if the user forgets the operation of shifting to the calculator mode, there is a problem that the calculator mode cannot be used.
[0011]
In the multifunctional electronic device of the present invention, for example, in a mobile phone equipped with a calculator mode, when a numeric key is pressed and a numerical value is input in a normal standby mode, the display unit shifts to the calculator mode simultaneously with the input numerical value. Displays the shortcut key to be used. In the multifunction electronic device of the present invention, by pressing the key corresponding to the shortcut key, the calculator mode can be used without the trouble of activating the calculator mode from the menu screen. .
[0012]
[Means for Solving the Problems]
The multifunction electronic device of the present invention has been made in view of the above-described circumstances, and has an input unit for inputting at least a numerical value; a storage unit for storing the numerical value input by the input unit; In a multi-function electronic device comprising a calculating means for performing a calculation based on the numerical value input by (a) and a display means for displaying at least the numerical value and the calculation result by the calculating means, It is characterized by comprising a means for displaying a shortcut key indicating a shift to the arithmetic means, and a shift control means for shifting to the arithmetic means by an input of the input means corresponding to the shortcut key. Therefore, in the multi-function electronic device of the present invention, for example, in a mobile phone, when a user presses a numeric key in a normal standby mode, the display unit displays the numeric value and a shortcut key for shifting to a calculator mode. You. Therefore, in the multi-function electronic device of the present invention, when a numerical value is input in the normal standby mode, the mode can be shifted to the calculator mode via the shortcut key, and the calculator mode can be easily used. it can.
[0013]
Further, in the multifunction electronic device according to the present invention, the arithmetic unit recognizes the numerical value as at least a part of the input numerical value. Therefore, in the multi-function electronic device of the present invention, for example, in a mobile phone, in a normal standby mode, the user inputs a numerical value by pressing a numeric key, at least a part of the arithmetic input numerical value when shifting to the calculator mode. Can be treated as Thus, in the multi-function electronic device of the present invention, it is not necessary to input a calculation value from the beginning again after shifting to the calculator mode, and it is possible to save the user's operation.
[0014]
Further, in the multifunctional electronic device of the present invention, the transition control unit has a unit for displaying an operation screen on the display unit, and the operation screen displays at least an operation symbol, a number, or the numerical value. Features. Therefore, in the multi-function electronic device of the present invention, for example, in a mobile phone, by displaying an operation symbol, a numeral number, and the like on the display unit, the user can operate while looking at the display screen. Intuitive operation can be realized.
[0015]
Further, in the multifunction electronic device according to the present invention, the location of the operation symbol and the numeral number displayed on the operation screen coincides with the location of an input key constituting the input means. Therefore, in the multi-function electronic device of the present invention, for example, in a mobile phone, the display location of the operation symbol displayed on the display unit, the numeral number, and the like correspond to the location of the input key actually provided, Since the user can operate while looking at the display screen, the operability of the user can be improved.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS.
[0017]
FIG. 1 is a schematic functional block diagram illustrating an electrical configuration of a mobile phone according to an embodiment of the present invention. FIG. 2 is a schematic view of the mobile phone. FIG. FIG. 4 is an explanatory diagram illustrating a standby mode screen in the mobile phone, and FIG. 5 is an explanatory diagram illustrating a transition of a calculator mode screen display in the mobile phone.
[0018]
As shown in FIG. 1, a mobile phone 1 of the present embodiment mainly includes a control unit 2, a key operation unit 3, a memory 4, an arithmetic circuit unit 5, a display driver unit 6, a display unit 7, an antenna 8, a radio unit. 9 and a communication control unit 10. Although the imaging unit and the image processing unit are not shown in the present embodiment, a camera function can be added by adding these electrical configurations.
[0019]
The control unit 2 controls the operation of each part constituting the mobile phone 1 and controls, for example, the memory 4, the arithmetic circuit unit 5, the display driver unit 6, the display unit 7, and the like. The memory 4 stores a telephone number input in the normal standby mode, a numerical value input to shift to the calculator mode, and the like.
[0020]
Further, the control unit 2 transmits a control signal to the display driver unit 6 and also sends numerical data stored in the memory 4 and calculator mode screen data at the time of starting the calculator mode to the display driver unit 6. The display driver unit 6 applies a driving voltage to each pixel electrode of the display unit 7 according to numerical data to be displayed on the display unit 7 or the like. The display unit 7 is realized by a liquid crystal display, an EL (Electro Luminescence) display, or the like, and displays data based on numerical data and the like transmitted via the display driver unit 6.
[0021]
As shown in FIG. 2, the key operation unit 3 includes keys for inputting numbers and characters, a camera key for activating the camera mode, a shutter key for taking a picture when the camera mode is activated, and a mail creation screen. It is composed of function keys such as a mail key, a power key for turning on / off the power of the mobile phone 1, and a call key for making a call in dial mode.
[0022]
The antenna 8 performs wireless communication with a base station via a radio wave. The radio unit 9 demodulates radio waves received from the base station via the antenna 8 during reception, and modulates and amplifies character data and image data transmitted from the communication control unit 10 during transmission, The signal is transmitted to the base station via the antenna 8. The communication control unit 10 sends received data such as character data and image data demodulated by the wireless unit 9 to the control unit 2 based on a predetermined communication protocol. The data received from the other party via the wireless unit 9 and the communication control unit 10 is stored in another memory (not shown).
[0023]
Next, with reference to FIG. 3 to FIG. 5, an operation control at the time of shifting to the calculator mode regarding the above-described mobile phone will be described.
[0024]
As shown in FIG. 3, when the user presses a power key provided on the key operation unit 3 and instructs the mobile phone 1 to be turned on, the control unit 2 turns on the power of the mobile phone 1. Then, the display driver 6 and the display 7 are controlled to display a standby screen on the display 7 (step S1). The state where the mobile phone 1 is on and the standby screen is displayed on the display unit 7 usually indicates that the mobile phone 1 is in the standby mode. In this standby mode, when the user presses a numeric key of the key operation unit 3 and inputs a numerical value (step S2), the control unit 2 recognizes the input of the numerical value and switches the display driver unit 6 and the display unit 7. The display unit 7 controls the display unit 7 to display a current call mode, a calculator mode, and an icon called a calculator key for enabling mode selection (step S3). At this time, the control unit 2 also controls the memory 4 to store the numerical value input by the user in the memory 4 and, at the same time, displays the numerical value input on the same screen as the icon of the calculator key on the display unit 7. Display.
[0025]
In the present embodiment, specifically, as shown in FIG. 4, the user presses the numeric key of the key operation unit 3 on the display unit 7 of the mobile phone 1, and displays, for example, a numerical value “9876”. Is input, an icon of a calculator key 11 is displayed below the input numerical value 12 “9876” and the numerical value 12. In the present embodiment, when the icon of the calculator key 11 displayed on the display unit 7 is pressed, when the key operation unit 3 corresponding to the icon display is pressed, the control unit 2 causes the arithmetic circuit unit 5, the display driver unit 6, The display unit 7 is controlled to display a calculator mode screen on the display unit 7, and the mobile phone 1 shifts from the call mode to the calculator mode. In other words, in the present embodiment, the icon of the calculator key 11 is a shortcut key, and shifts from the standby mode directly to the calculator mode without selecting the calculator mode from the menu screen as in the conventional mobile phone 31. can do.
[0026]
Although details will be described later, in the flowchart in the present embodiment, the icon of the calculator key 11 is displayed on the display unit 7 after the numerical value “9” is input. Then, the remaining “876” of the numerical value 12 may be input in step S10, or may be input after shifting to the calculator mode. That is, in the present embodiment, it is also possible to use the value input in the standby mode as it is when shifting to the calculator mode, and to add the numerical value to the value input in the standby mode after shifting to the calculator mode. Yes, and it is also possible to re-enter a desired numerical value after shifting to the calculator mode. In the following description, a case will be described where the numerical value 12 is input in step S10 when the mobile phone is in the standby mode.
[0027]
Next, in FIG. 4 showing states of steps S3 and S4 of the flowchart, the mobile phone 1 according to the present embodiment is in a standby mode. Then, the user can input the telephone number of the destination by, for example, continuously inputting the telephone number of the destination using the key operation unit 3. Thereafter, when the user presses the dial transmission key of the key operation unit 3 (YES in step S5), the control unit 2 controls the communication control unit 10, sets the mobile phone 1 in the dial mode, and performs dial transmission (step S5). S6). Thereafter, the mobile phone 1 is set in a call mode, and the user can talk with a desired partner.
[0028]
Next, after inputting the numerical value 12 in step S2 and step S10, the user does not press the dial transmission key of the key operation unit 3 (NO in step S5), and the user is displayed on the display unit 7. When the key operation unit 3 corresponding to the icon of the calculator key 11 is pressed (YES in step S7), the control unit 2 controls the memory 4 and the arithmetic circuit unit 5, and calls the numerical value 12 stored in step S2 from the memory 4. Is stored in the memory in the arithmetic circuit unit 5 (step S8), and the mobile phone 1 is set to the calculator mode. At this time, at the same time, the control unit 2 also controls the display unit 7 to display a calculator mode screen on the display unit 7 so that the user can use the calculator mode (step S9).
[0029]
In the present embodiment, in the calculator mode, as described above, in step S8, the numerical value 12 input in step S2 and step S10 is stored in the memory in the arithmetic circuit unit 5, so that the numerical value 12 is input and calculated. Can be treated as a number. More specifically, as shown in FIG. 5, a description will be given using a calculation example of 9876/3. First, FIG. 5A shows a screen in the calculator mode of step S9. As shown in the figure, the display unit 7 displays a calculator mode screen 13 on which operation symbols, numeral numbers, and the like are drawn so as to match the key arrangement of the key operation unit 3 shown in FIG. Then, on the display unit 7 on the calculator mode screen 13, the numerical value 12 “9876” input in steps S2 and S10 is displayed as a calculation input numerical value in the calculator mode.
[0030]
Next, FIG. 5B shows a screen in which the operation symbol and the second numerical value are input. As shown in the figure, for example, the user confirms the numerical value 12 “9876”, which is the numerical value input on the display unit 7, and corresponds to the arithmetic symbol “÷” on the calculator mode screen 13 displayed on the display unit 7. When the key operation unit 3 is pressed, the numerical value 12 “9876” is deleted on the display unit 7 and the operation symbol 14 “÷” is displayed. Thereafter, when the user presses the key operation unit 3 corresponding to the numeral number “3” on the calculator mode screen 13, the second numerical value 15 “3” is displayed.
[0031]
Finally, FIG. 5C is a screen on which the numerical value of the answer to the calculation is displayed. As shown in the figure, for example, the user checks the operation symbol 14 “及 び” and the second numerical value 15 “3” displayed on the display unit 7, and checks the operation symbol “=” on the calculator mode screen 13 displayed on the display unit 7. When the key operation unit 3 corresponding to "" is pressed, the operation symbol 14 "$" and the second numerical value 15 "3" are erased on the display unit 7, and the answer numerical value 16 "3292" is displayed, and the user performs the operation. The calculation ends.
[0032]
Next, the user does not press the key operation unit 3 corresponding to the icon of the calculator key 11 displayed on the display unit 7 (NO in step S7), and again, the numeral of the key operation unit 3 When the key is pressed and a numerical value is input (YES in step S10), the process returns to step S4, and the above-described operation is repeated. That is, as described above, in the standby mode, “876” of the numerical value 12 can be input in step S10. On the other hand, if the user does not input a numerical value again (NO in step S10) and does not press the power key of the key operation unit 3 (NO in step S11), the process returns to step S5, and the process returns to step S5. Since the operation is performed as described above, the description is referred to and the description is omitted here.
[0033]
On the other hand, if the user does not enter a numerical value again (NO in step S10) and presses the power key of the key operation unit 3 (YES in step S11), the control unit 2 controls the display unit 7. Then, the numerical value 12 and the like displayed on the display unit 7 are deleted, and the standby screen is displayed again (step S12).
[0034]
Therefore, as described above, in the multifunctional electronic device of the present invention, for example, a mobile phone, in a normal standby mode, when the user presses a numeric key of the key operation unit 3 and inputs a numerical value, the display unit 7 Displays an input value and an icon of a calculator key 11 for shifting to a calculator mode. Then, when the user presses the key operation unit 3 corresponding to the icon of the calculator key 11, the mobile phone 1 enters the calculator mode, and the display unit 7 displays the calculator mode screen 13. At this time, the numerical value input first by the user is recognized as at least a part of the numerical value input in the calculator mode, and is displayed on the display unit 7. That is, in the present invention, the icon of the calculator key 11 which is a shortcut key for shifting from the standby mode to the calculator mode is displayed in the standby mode, and the user presses the key operation unit 3 corresponding to the icon of the calculator key 11. By doing so, the user can easily use the calculator mode. Further, since the numerical value input in the standby mode can be treated as at least a part of the input numerical value in the calculator mode, the operation of the user can be saved.
[0035]
Further, in the multifunction electronic device of the present invention, for example, a mobile phone, in the calculator mode, a calculator mode screen on which operation symbols, numerical numbers and the like are drawn is displayed on the display unit 7 together with the input numerical values and the like. The locations of the operation symbols and the numbers on the calculator mode screen correspond to the locations of the keys constituting the key operation unit 3. Thus, the user can input numerical values and the like while looking at the calculator mode screen displayed on the display unit 7, so that an operation that is visually easy to understand can be realized. In addition, although the arrangement of the numeral numbers of the mobile phone and the arrangement of the numeral numbers of the calculator are usually different, in the present invention, it is possible to input numerical values and the like while looking at the calculator mode screen displayed on the display unit 7. Therefore, input mistakes and the like can be reduced.
[0036]
In the present embodiment, a foldable mobile phone is shown. However, the present invention is not limited to this embodiment. For example, a straight mobile phone may be used. In addition, the present embodiment is not limited to a mobile phone, and can be realized using, for example, a portable information terminal. In addition, various changes can be made without departing from the spirit of the present invention.
[0037]
【The invention's effect】
As described above, first, the multifunction electronic device of the present invention has at least a calculator mode, and when a numerical value is input by the input unit in other modes other than the calculator mode, the input numerical value is displayed on the display unit. And a shortcut key for shifting to the calculator mode are displayed. Then, when the user presses the input key corresponding to the shortcut key, the user can easily use the calculator mode. On the other hand, when the user does not press the input key corresponding to the shortcut key, the user can use the multi-function electronic device of the present invention as it is in the other modes as it is.
[0038]
Secondly, the multifunction electronic device of the present invention has at least a calculator mode, and when a numerical value is input by the input means in another mode other than the calculator mode, the display unit switches the input numerical value to the calculator mode. The shortcut key to be transferred is displayed. Then, when the user presses the input key corresponding to the shortcut key, the user can easily use the calculator mode. At this time, in the multi-function electronic device of the present invention, a numerical value input in another mode can be treated as at least a part of a calculation input numerical value in the calculator mode. As a result, the multifunctional electronic device of the present invention can save the user's operation time and effort.
[0039]
Third, the multi-function electronic device of the present invention has at least a calculator mode. In the calculator mode, the display unit displays a calculator mode screen on which arithmetic symbols, numeral numbers, and the like are displayed, and input numerical values. The positions of the operation symbols and the numbers on the calculator mode screen coincide with the positions of the input keys forming the input means. As a result, the user can perform input while looking at the calculator mode screen, so that the operation can be performed visually easily and the input operation can be performed with less input errors.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating an electrical configuration of a mobile phone according to an embodiment of the present invention.
FIG. 2 is a schematic diagram illustrating the mobile phone.
FIG. 3 is a flowchart illustrating operation control when the mobile phone shifts to a calculator mode.
FIG. 4 is an explanatory diagram showing a standby mode screen in the mobile phone.
FIG. 5 is an explanatory diagram showing transition of a calculator mode screen display in the mobile phone.
FIG. 6 is a block diagram for describing an electrical configuration of a mobile phone according to an embodiment of the related art.
FIG. 7 is a flowchart illustrating operation control when the mobile phone shifts to a calculator mode.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Mobile telephone 2 Control part 3 Key operation part 4 Memory 5 Arithmetic circuit part 6 Display driver part 7 Display part 8 Antenna 9 Radio part 10 Communication control part 11 Calculator key 12 Numerical value 13 Calculator mode screen 14 Computation symbol 15 Second numerical value 16 Answer Number

Claims (5)

Input means for inputting at least a numerical value,
Storage means for storing a numerical value input by the input means;
Calculating means for performing calculations based on the numerical values input by the input means;
In a multi-function electronic device comprising a display unit for displaying at least the numerical value and the calculation result by the calculation unit,
Means for displaying, on the display means, a shortcut key representing a shift to the arithmetic means in response to the input of the numerical value; and shift control means for shifting to the arithmetic means by an input of the input means corresponding to the shortcut key And a multi-function electronic device comprising: 2. The multi-function electronic device according to claim 1, wherein the calculation unit recognizes the numerical value as at least a part of a calculation input numerical value. The method according to claim 1, wherein the transition control unit includes a unit that causes the display unit to display a calculation screen, and at least a calculation symbol, a number, or the numerical value is displayed on the calculation screen. 4. Multifunctional electronic device as described. 4. The multi-function electronic device according to claim 3, wherein the positions of the operation symbols and the numbers displayed on the operation screen coincide with the positions of the input keys constituting the input unit. The multi-function electronic device according to claim 1, wherein the multi-function electronic device is a mobile phone.

Images