JP2000349885A - Portable phone and its operating method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce possibility of depression of operation keys other than a predetermined operation key corresponding to a specific function in the case that an operator is going to execute the specific function of a portable phone. SOLUTION: In the case that the portable phone has 6 functions listed on Table to execute a function corresponding to a code number 'F20', when the operator depresses an portable phone key 'F', only light emitting elements of operation keys '1', '2' and '3' are lighted. When the operator depresses the operation key '2', only light emitting elements of operation keys '0', '5', and '7' are lighted. Only a light emitting element corresponding to a valid operation key as an operation key to be depressed next is lighted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone device, and more particularly to control of turning on and off a backlight provided for each operation key of the portable telephone device.

[0002]

2. Description of the Related Art In recent years, mobile telephone apparatuses are provided with a large number of functions as added value, and accordingly, the operation itself for performing each function is complicated. Therefore, it is very difficult for the user to understand all operation methods corresponding to each function.

[0003]

Generally, in order to execute any one of a plurality of functions of a mobile phone, a predetermined operation key corresponding to the function is required. Pressing is required. Usually, a series of a plurality of operation keys correspond to one function, and in order to execute the function, a plurality of predetermined operation keys must be pressed in a predetermined order.

Further, the order in which predetermined operation keys are pressed to execute each function is often the same for the first few operation keys. For this reason, in order to execute a certain function, after pressing the first and second operation keys of a series of operation keys determined corresponding to the function, the wrong operation key is set as the third operation key. Even when the operation key is pressed, the third operation key may be an effective operation key for executing another function. Therefore, in such a case, another function different from the desired function is executed.

The above points will be described with reference to FIG.

[0006] The portable telephone device 30 shown in FIG. 3 is provided with a plurality of functions, and some of the functions are as shown in the table of FIG. For example, the code for changing the volume of the ringtone of the mobile phone device is “F12”. That is, three operation keys “F”, “1”,
By pressing “2” in this order, a procedure for changing the volume of the ringtone is displayed on the display unit 31 of the mobile phone device 30. The operator can change the volume of the ringtone to an arbitrary volume by performing an operation according to this procedure.

Here, it is assumed that the operator of the portable telephone device 30 tries to turn on the answering machine setting. As shown in the table of FIG. 3, in order to turn on the answering machine setting, three operation keys "F", "2", and "0" must be pressed in this order.

For example, if the operator presses the operation key "1" by mistake after pressing the operation key "F", the operation key "2" or "5" is pressed thereafter, and the ring volume , Or the response time can be set, so that the key operation itself is effective.
However, at this point, the setting for turning on the answering machine that the operator has attempted to perform can no longer be performed. It is necessary to start over again.

Alternatively, even if the operator presses the operation key "1" by mistake after pressing the operation keys "F" and "2", the setting of the answering machine which the operator is going to perform is turned on. Is not set.

The present invention has been made in view of the above problems, and when an operator attempts to execute a specific function of a portable telephone device, a predetermined function corresponding to the function is set in advance. It is an object of the present invention to provide a mobile phone device capable of reducing the possibility of erroneously pressing an operation key other than the operation key being operated and increasing the possibility of executing a desired function, and an operation method thereof.

[0011]

In order to achieve this object, a first aspect of the present invention is to press one key of a series of keys to be pressed to set each function of the portable telephone device. Later, the backlight corresponding to the key that is valid for setting any one function is turned on, the backlight corresponding to the key that is not valid for setting the one function is turned off, and the backlight is turned off. By turning on or off,
Provided is a mobile phone device that can determine a key to be pressed next to a key and a key that should not be pressed.

According to a second aspect of the present invention, the present portable telephone device reads out the current setting state of the portable telephone device as a first number, and when one key is pressed under the setting state. Preferably, the first number and the number corresponding to the pressed key are combined, and the setting state corresponding to the combined number is stored as the second number.

Further, as described in claim 3,
It is preferable that the mobile phone device converts control information for controlling on / off of the backlight from serial data to parallel data, and simultaneously turns on or off a plurality of backlights.

According to a fourth aspect of the present invention, there is provided a light emitting element which is provided corresponding to each operation key of the portable telephone device and supplies a backlight to each operation key, and for setting each function of the portable telephone device. After pressing one operation key of a series of operation keys to be pressed, a light emitting element corresponding to an operation key effective for setting any one function is turned on, and the one function is set. A mobile phone device comprising: a mode switching device that turns off a light emitting element corresponding to an operation key that is not valid; and a light emitting device control device that controls on / off of each light emitting device according to a command from the mode switching device. provide.

According to a fifth aspect of the present invention, when the operation key is depressed, the portable telephone device stores information to be sent to the light emitting element control device by using a number corresponding to the operation key as an address. It is preferable to further include a storage device.

According to a sixth aspect of the present invention, there is provided a method for controlling the turning on and off of a backlight provided corresponding to each operation key of a portable telephone device, wherein each function of the portable telephone device is set. After pressing one key of the series of keys to be pressed, the backlight corresponding to the key that is valid for setting any one function is turned on, and to set the one function, Provides a method of turning off a backlight corresponding to an invalid key.

According to a seventh aspect of the present invention, there is provided a first step of reading a current setting state stored as a specific one number, and a step corresponding to the pressed operation key when the operation key is pressed. A second step of newly storing a number obtained by combining the number to be read and the number read in the first step as the current setting state, and control information of the backlight corresponding to the number stored in the second step A third process of reading control data, a fourth process of converting control information from serial data to parallel data, and controlling on / off of a backlight provided corresponding to each operation key according to the parallel data. Of a series of keys to be pressed to set each function of the mobile phone device, after pressing one key, a key that is effective for setting any one function The backlight is lit to respond, providing a fifth step of turning off the backlight corresponding to the key not effective to set the function of the one, the operation method of a portable telephone apparatus comprising a.

According to an eighth aspect of the present invention, in this operation method, a sixth step of determining whether or not the operation of setting the function of the portable telephone device has been completed, and it has been determined that the operation has been completed. In this case, it is preferable to further include a seventh step of turning off all of the lit backlights.

[0019]

FIG. 1 is a circuit diagram of a portable telephone device according to a first embodiment of the present invention.

The portable telephone device according to the present embodiment is provided in correspondence with a circuit power supply 1, which is a power supply of a circuit inside the portable telephone device, and each operation key of the portable telephone device, and a backlight is provided for each operation key. LED1-L as a light emitting element to be supplied
LED (light emitting diode) group 3 constituted by EDn
And a switch group 2 constituted by switches SW1-SWn for controlling lighting and extinguishing of each LED1-LEDn.
And a resistor group 4 composed of resistors R1-Rn to control a current flowing through each LED1-LEDn, and each switch S
A key backlight control unit 5 for controlling ON / OFF of W1-SWn, a display unit 6 for displaying a setting status during operation of the mobile phone device, and a button for setting a function of the mobile phone device When the display operation unit 9 including a plurality of key buttons and the key buttons of the display operation unit 9 are pressed,
A ROM 8 as a storage device for storing information to be sent to the key backlight control unit 5 using a number corresponding to the operation key as an address, and a series of operation keys to be pressed to set each function of the mobile phone device. After pressing one operation key, an LED corresponding to an operation key that is valid for setting any one function is turned on, and an LED corresponding to an operation key that is not valid for setting the one function is turned on. L
Mode switching means 10 for selecting or canceling the mode for turning off the ED, RAM 11 for storing a number corresponding to the current setting state of the mobile phone device, key backlight control unit 5, display unit 6, ROM 8, display It comprises an operation unit 9, a mode switching unit 10, and a central processing unit (CPU) 7 as a control unit for controlling the RAM 11.

The portable telephone device according to the present embodiment having the above-described configuration operates as follows.

FIG. 2 is a flowchart showing each operation of the portable telephone device according to the present embodiment.

As shown in FIG. 2, when the portable telephone device is turned on, the portable telephone device shifts to a standby state (step 101).

Next, the CPU 7 sets the mode switching means 10
It is determined whether the switching mode set by (1) is on or off (step 102).

When the switching mode is on (step 1
02 (YES), since the numbers corresponding to the various setting states of the mobile phone device are stored in the ROM 8, the CPU 7 reads the corresponding numbers from the ROM 8 (step 10).
3).

That is, since the initial setting state when the portable telephone device is turned on is the standby state, the number corresponding to the standby state is read from the ROM 8.

Next, when one of the key buttons of the display / operation unit 9 of the portable telephone device is pressed (Y in step 104).
ES), the CPU 7 combines the number corresponding to the pressed key button with the number read from the ROM 8 in step 103, and stores the combined number in the RAM 11 as the current setting state (step 10).
5).

Next, the CPU 7 reads the control information for turning on / off the LED group 3 from the ROM 8 using the combined number as an address (step 106).

The CPU 7 sends the read control information to the key backlight control unit 5. The control information is transmitted from the serial data to A1-An
(Step 107).

The key backlight control unit 5 switches the switch SW1- based on the converted parallel data A1-An.
The switch group 2 composed of SWn is controlled (step 10).
8). That is, of a series of key buttons to be pressed to set one specific function of the mobile phone device,
After pressing one key button, a switch SW corresponding to a key button that is valid for setting the function is turned on, and a switch SW corresponding to a key button that is not valid for setting the function is turned off. I do.

In the LED group 3 composed of the light emitting diodes LED1 to LEDn, which are the elements of the key backlight, the LED with the switch SW turned on is turned on, and the LED with the switch SW turned off is turned off (step S1). 109).

The circuit power supply 1 supplies power to the LED group 3, and the resistor group 4 composed of the resistors R1-Rn
It serves to control the current flowing through the D group 3.

With the above operation, when executing a specific function of the portable telephone device, the light emitting diode LE corresponding to the key button effective as the next key button to be pressed
D turns on, and the light emitting diode LED corresponding to the key button that should not be pressed next turns off. Therefore, the user can easily recognize the key button that can be pressed next.

Next, the CPU 7 determines whether the setting operation has been completed (step 110). If the setting operation has been completed (YES in step 110), the CPU 7
Turns off all the switches SW corresponding to the lit LEDs and turns off all the lit LEDs via the key backlight control unit 5 (step 111). If the setting operation has not been completed (NO in step 110),
Returning to step 103, the current setting state of the mobile phone device is read again.

When the switching mode is off (NO in step 102), when any one of the key buttons of the display / operation unit 9 of the portable telephone device is pressed (step 1).
(YES in Step 12), the CPU 7 reads out the number when the switching mode is turned off from the RAM 11, and reads out the control information relating to all lighting of the light emitting diodes LED from the ROM 8 using this number as an address (Step 113).

Thereafter, the CPU 7 sends the read control information to the key backlight control unit 5 in the same manner as in steps 107-109. The control information is converted from serial data into parallel data of A1-An in the key backlight control section 5 (step 114).

The key backlight control unit 5 switches the switch SW1- based on the converted parallel data A1-An.
The switch group 2 composed of SWn is controlled (step 11).
5) Turn on all the LEDs (step 116).

After a predetermined period of time has elapsed after all the LEDs have been turned on (YE in step 117).
S), the key backlight control unit 5 is a lit LED
Are all turned off (step 111).

Hereinafter, a specific operation of the portable telephone device according to the present embodiment will be described with reference to FIG.

For simplicity of explanation, it is assumed that the portable telephone device according to the present embodiment has only the six functions shown in the table of FIG. In other words, the present mobile phone device has six settings of “ring volume setting”, “answer time setting”, “answering machine setting on”, “answering machine setting off”, “answering machine setting confirmation”, and “call charge confirmation”. It has functions,
The six functions are “F12”, “F15”, “F2”
It can be executed by pressing each key button of “0”, “F25”, “F27”, “F30”.

Hereinafter, it is assumed that the operator of the portable telephone device tries to turn on the answering machine setting. As shown in the table of FIG. 3, to turn on the answering machine setting, three key buttons "F", "2", and "0" must be pressed in this order.

As is clear from the table of FIG. 3, the codes for executing the functions of the portable telephone device are all "F".
Therefore, even if the operator presses a key button other than the key button “F”, the LED corresponding to each key button is not turned on. That is, all LEDs remain off.

In the code for executing each function of the portable telephone device, only three types of key buttons "1", "2" and "3" to be pressed after "F" are required. When the user presses the key button “F”, only three key buttons “1”, “2”, and “3” of all the key buttons are turned on.

When the operator presses the key button "2" next to the key button "F", the only valid key buttons next to the key button "2" are three, "0", "5" and "7". Therefore, among all the key buttons, only three key buttons “0”, “5”, and “7” are turned on.

Thereafter, when the operator presses the key button "0", the three key buttons "F", "2" and "0" are pressed in this order, and the answering machine is set. The function to turn on can be performed.

As described above, according to the present embodiment, when the function of the portable telephone device is executed, only the LED corresponding to the key button to be pressed next is turned on. Can be reduced by mistake.

Further, in the conventional portable telephone device,
During the setting operation, the LEDs corresponding to all the key buttons are configured to be turned on. However, according to the mobile phone device according to the present embodiment, the LED corresponding to the key button that is valid as the next key button to be pressed corresponds to Since the configuration is such that only the LED is turned on, the current consumption can be reduced and the life of the circuit power supply 1 can be prolonged.

[0048]

As described above, according to the portable telephone device and the method for operating the same according to the present invention, when executing the function of the portable telephone device, only the light emitting element corresponding to the key button to be pressed next is used. Light. Therefore, the operator does not need to store codes corresponding to each function of the mobile phone device one by one, and the operator erroneously presses a key button for executing a function other than the desired function. The risk can be reduced.

Further, according to the portable telephone device of the present invention, since only the light emitting element corresponding to the key button effective as the next key button to be pressed is turned on, the current consumption can be reduced. Can be.

[Brief description of the drawings]

FIG. 1 is a block diagram of a mobile phone device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an operation of the mobile phone device shown in FIG.

FIG. 3 is a plan view of the mobile phone device, showing a correspondence relationship between code numbers and respective functions.

[Explanation of symbols]

 Reference Signs List 1 circuit power supply 2 switch group 3 LED group 4 resistor group 5 key backlight control unit 6 display unit 7 CPU 8 ROM 9 display operation unit 10 mode switching means 11 RAM SW1-SWn switch LED1-LEDn light-emitting diode R1-Rn resistance

Claims (8)

[Claims] 1. A key corresponding to a key which is effective for setting any one function after pressing one key among a series of keys to be pressed for setting each function of the portable telephone device. The backlight is turned on, the backlight corresponding to the key that is not valid for setting the one function is turned off, and the key to be pressed next to the one key should be pressed by turning on or off the backlight. A mobile phone device that can determine which key is not. 2. A current setting state of the portable telephone device is read out as a first number, and when one key is pressed under the setting state, a number corresponding to the first number and the pressed key is read out. The portable telephone device according to claim 1, wherein a setting state corresponding to the combined number is stored as a second number. 3. The system according to claim 1, wherein control information for controlling on / off of said backlight is converted from serial data to parallel data, and a plurality of backlights are simultaneously turned on or off. A mobile phone device according to claim 1. 4. A light emitting element which is provided corresponding to each operation key of the mobile phone device and supplies a backlight to each operation key, and a series of operation keys to be pressed to set each function of the mobile phone device After pressing one operation key, the light emitting element corresponding to the operation key that is valid for setting any one function is turned on, and the operation key that is not valid for setting the one function A mobile phone device comprising: a mode switching device for turning off a light emitting element corresponding to the light emitting element; and a light emitting element control device for controlling on / off of each light emitting element according to a command from the mode switching device. 5. The storage device according to claim 4, further comprising a storage device for storing information to be sent to the light emitting element control device by using a number corresponding to the operation key as an address when the operation key is pressed. A mobile phone device according to claim 1. 6. A method for controlling turning on / off of a backlight provided corresponding to each operation key of a mobile phone device, comprising a series of steps to be pressed to set each function of the mobile phone device. After pressing one of the keys, the backlight corresponding to the key that is valid for setting any one function is turned on, and the key corresponding to the key that is not valid for setting the one function is turned on. Turning off the backlight to be turned off. 7. A first step of reading a current setting state stored as a specific one number, and, when an operation key is pressed, a number corresponding to the pressed operation key and the first key. A second step of newly storing a number obtained by combining the numbers read in the step as the current setting state, and a third step of reading the backlight control information corresponding to the number stored in the second step. And a fourth step of converting the control information from serial data to parallel data; and controlling on / off of a backlight provided corresponding to each operation key in accordance with the parallel data, whereby Of the series of keys to be pressed to set each function of the telephone device, after pressing one key, a key that is effective to set any one function The backlight is lit to respond, a fifth step of turning off the backlight corresponding to the key not effective to set the one function, a method of operating a mobile telephone apparatus comprising a. 8. A sixth step of determining whether an operation for setting a function of the mobile phone device has been completed, and, if it is determined that the operation has been completed, turning off all of the lit backlights. The method according to claim 7, further comprising: performing a seventh step.