JP3012599B2 - Mobile phone, key locking method used therefor, and recording medium recording control program therefor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone,
In particular, the present invention relates to a key lock function for restricting key operations when the mobile phone is stored.

[0002]

2. Description of the Related Art Conventionally, a portable telephone may be stored in a bag or a pocket while the power is on and on-hook (hereinafter referred to as a state where transmission and reception are possible). There is a case where an erroneous operation is performed when another object stored in the back or the pocket contacts the key of the mobile phone.

There is a portable telephone having a function of locking keys when the portable telephone is stored in such a state that transmission and reception can be performed, thereby preventing an erroneous operation during storage. In such a mobile phone, it is necessary to input a password in order to release the locked state of the key.

[0004] Contrary to the above-mentioned portable telephone,
In order to prevent erroneous operation of keys during a call, there is also a technique of restricting key input after a predetermined time after going off-hook. In the case of this technique, an erroneous operation of a key during a call is prevented in a telephone having a key input unit in the handset. This technique is disclosed in Japanese Patent Laid-Open No. 7-2313.
No. 42 discloses this.

[0005]

In the above-described conventional portable telephone, when a key is stored in a bag or the like in a state where transmission and reception are possible and a key is locked, a password is required to release the locked state of the key. Requires entry of a number.

For this reason, it is necessary to press a plurality of keys when performing an operation for releasing the locked state of the key, and the operation is troublesome, and if the password is forgotten, the locked state of the key cannot be released. .

Further, the technique described in the above publication relates to the restriction of key input when the handset is off-hook, and it is not applicable to the restriction of key input when transmission and reception are possible, that is, in the on-hook state. Can not.

Accordingly, an object of the present invention is to solve the above-mentioned problems, and to prevent erroneous operation of a key by storing a key in a state where transmission and reception can be performed, thereby easily releasing the key lock. It is an object of the present invention to provide a mobile phone capable of performing such operations.

[0009]

A portable telephone according to the present invention detects that a key operation is not performed within a predetermined time after a key operation is completed while the power is on and in an on-hook state. Detecting means, means for restricting the key operation when the detecting means detects that the key operation is not performed within the predetermined time and invalidating the key input, and when the key input is invalid, in response to the depression of the set specific key and means for releasing the restriction of the key operation, the specific key, the pressing surface the Ippei
It is arranged lower than the pressed surface of another key installed on the surface .

A key lock method used for a mobile phone according to the present invention is a key lock method used for a mobile phone provided with a key input unit, wherein the power supply of the mobile phone is on and the key input unit is in an on-hook state. Detecting that no key operation is performed on the key input unit within a predetermined time period after the key operation is completed, and that the key operation is not performed within the predetermined time period. Disabling a key input from the key input unit by restricting a key operation on the key input unit when detected, and responding to depression of a specific key set in advance when the key input is invalid. Canceling the restriction on key operation.
The step is performed by pressing another key whose pressing surface is set on the same plane.
Responds to the pressing of a specific key located lower than the pressing surface of
Thus, the restriction on the key operation is released .

According to the present invention, there is provided a recording medium storing a key lock control program used for a mobile phone, wherein the key lock control program for causing a computer to lock a key on the key input unit in a mobile phone having a key input unit. The recording medium, wherein the key lock control program causes the computer to execute the key lock control program within a predetermined period of time set after the key operation on the key input unit is completed while the power of the mobile phone is on and in an on-hook state. Detecting that no key operation is performed on the key input unit, and restricting the key operation on the key input unit when it is detected that the key operation is not performed within the predetermined time. The key input from the input unit is invalidated, and when the key input is invalid, a predetermined key is pressed. To remove the restriction of the key operation to
When releasing the key operation restriction,
The pressing surface of the key is the same as the pressing surface of another key installed on the same plane.
Key in response to the pressing of a specific key
Operation restrictions have been removed .

In other words, the portable telephone of the present invention automatically switches the key when no key operation is performed within a preset time while the power is on and in an on-hook state (hereinafter referred to as a state where transmission and reception are possible). It has a function of restricting operation and invalidating key input, and a function of releasing key operation restriction when a specific key that is structurally or electrically difficult to malfunction is pressed.

Thus, when a portable telephone having no structure for protecting the key portion is stored in a bag or the like, an erroneous operation caused by contact between the key and another object stored in the handbag or the like is prevented, and the personal identification number is stored. Since it is possible to easily release the restriction of the key operation without inputting, it is possible to improve the operability when the restriction of the key operation is released.

[0014]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a mobile phone according to one embodiment of the present invention. In the figure, a mobile phone according to one embodiment of the present invention includes a control unit 1,
Key unit 2, key operation control unit 3, display unit 4, battery 5
, A timer 6, a time setting unit 7, a radio unit 8, an antenna 9, a microphone 10, a receiver 11, and a speaker 12
, A release key (hereinafter, a key) 13 and a control memory 14.

The control unit 1 controls the entire mobile phone, and the key unit 2 includes various keys for operating the mobile phone and an a key 13 for releasing the key operation restriction when the key operation is restricted.

The key operation control unit 3 converts a signal input from the key unit 2 into a controllable signal and outputs the signal to the control unit 1. The display unit 4 displays the state and operation contents of the mobile phone. Battery 5 supplies power to the mobile phone. The timer 6 counts the time during which the key unit 2 is not operated. The time setting unit 7 sets the count time of the timer 6.

The radio section 8 modulates and demodulates a signal transmitted and received by the antenna 9. The antenna 9 wirelessly transmits and receives a base station (not shown). The microphone 10 inputs a transmission sound, and the receiver 11 generates a reception sound. The speaker 12 outputs a ringing sound and an alarm sound.

The a key 13 is used only to release the key operation restriction when the key operation is restricted, and keys other than the a key 13 of the key section 2 are pressed even when the key operation is restricted. , The input becomes invalid. Also, a key 1
Reference numeral 3 indicates that functions other than key operation restriction cancellation, information input, and the like can be performed during normal key operation.

The control memory 14 stores a program for controlling the entire mobile phone by the control unit 1, particularly a program for controlling the restriction and release of key operation, and includes a ROM (Read Only Memory) and an IC (Read Only Memory). Integrated circuit) memory is available.

FIG. 2A is a front view of a mobile phone according to one embodiment of the present invention, and FIG. 2B is a side view of the mobile phone according to one embodiment of the present invention. In these figures, the pressing surface of the a key 13 is formed lower than the pressing surface of the other keys of the key portion 2, and is configured to be harder to press than the other keys of the key portion 2. By this, a key 1
3 is harder to operate erroneously than the other keys of the key unit 2.

FIG. 3 is a timing chart showing the recognition time of the input signal of the a key 13 in FIG. In the figure, the pressing recognition time t of the a key 13 when performing the normal key operation is t = tb, and the pressing recognition time t of the a key 13 when canceling the key operation restriction is t = ta> tb. ing. Therefore, when the key operation restriction is released, the probability of erroneous operation on the a key 13 can be reduced.

FIG. 4 is a flowchart showing a processing operation for a key operation of the mobile phone according to one embodiment of the present invention. With reference to FIGS. 1 to 4, key operations in the mobile phone according to one embodiment of the present invention will be described.

When the power of the portable telephone is turned on and the processing is started, the control unit 1 first sets the portable telephone to a key operable state (step S1 in FIG. 4). Subsequently, the operator performs a key operation using the key unit 2 (step S in FIG. 4).
2) When the key operation is completed (step S in FIG. 4)
3) The control unit 1 counts the time (T) until the next key operation on the key unit 2 is performed by the timer 6 (step S4 in FIG. 4).

While the key operation on the key section 2 is not performed (step S5 in FIG. 4), the timer 6 is set in advance by the time setting section 7
Exceeds the time (X) set by (T ≧ X)
(Step S6 in FIG. 4), the control unit 1 invalidates the signals other than the signal from the a key 13, and sets the key operation to the restricted state (Step S7 in FIG. 4).

When the a key 13 is pressed for a predetermined period of time or more in the key operation restriction state (step S8 in FIG. 4), the control unit 1 determines that the key operation restriction is released, and returns to step S1. Return to the key operable state.

On the other hand, if a key operation is performed before the count time (T) of the timer 6 exceeds the set time (X) (steps S6 and S5 in FIG. 4), the control unit 1 does not lock the key unit 2. Then, the key operation is performed as usual (step S1 in FIG. 4).

As described above, the key operation on the key unit 2 is performed within a preset time (X) after the power is turned on and the on-hook state (hereinafter referred to as a state where transmission and reception are possible). Otherwise, the key operation on the key unit 2 is automatically restricted, and the subsequent key input is invalidated. Erroneous operation due to contact of another key stored in the key unit 2 with one of the keys of the key unit 2 can be prevented.

When the key operation on the key section 2 is restricted, the a key 1 which is structurally and electrically difficult to operate erroneously.
By releasing the key operation restriction in response to the pressing of the key 3, the key operation restriction can be released simply by pressing the a key 13 without using a relatively troublesome method such as inputting a password. Restrictions can be lifted.

Therefore, when the device is stored in a bag or the like in a state where transmission and reception can be performed, erroneous operation of the key can be prevented by the key lock and the key lock can be easily released.

The present invention is not limited to the above embodiment. For example, the screen saver may be moved in accordance with the key restriction, and the screen saver may be released simultaneously with the release of the key restriction. Further, in the above description, one a key 13 is used as the canceling method. However, by setting a plurality of keys as canceling keys, it is possible to improve operability when canceling the key restriction.

[0031]

As described above, according to the present invention, it is detected that the key operation is not performed within a predetermined time after the key operation is completed while the power is on and in the on-hook state. Key operation is disabled when the key input is disabled, and when the key input is disabled, the key operation is released in response to the pressing of a preset specific key, so that the power is on and on-hook The key lock can prevent an erroneous operation of the key when the key is stored, and the key lock can be easily released.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a mobile phone according to one embodiment of the present invention.

FIG. 2A is a front view of a mobile phone according to one embodiment of the present invention, and FIG. 2B is a side view of the mobile phone according to one embodiment of the present invention.

FIG. 3 is a timing chart showing a recognition time of an input signal of an a key in FIG. 1;

FIG. 4 is a flowchart showing a processing operation for a key operation of the mobile phone according to one embodiment of the present invention.

[Explanation of symbols]

 1 control section 2 key section 3 key operation control section 6 timer 7 time setting section 13 release key

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification code FI H04M 1/725 H04M 1/725 H04Q 7/38 H04B 7/26 109Q

Claims (9)

(57) [Claims] 1. A detecting means for detecting that no key operation is performed within a predetermined time after a key operation is completed while the power is on and in an on-hook state; Means for invalidating the key input by restricting the key operation when it is detected that the key operation is not performed, and responding to pressing of a specific key set in advance when the key input is invalid. have a means for releasing the restriction of the key operation, the specific key is installed the pressing surface in the same plane
A mobile phone, wherein the mobile phone is disposed lower than a pressing surface of another key . 2. The method according to claim 1, wherein the specific key is used when the input signal is recognized.
When the key operation is restricted as
2. The mobile phone according to claim 1, wherein the mobile phone is configured to require a longer time than an input recognition time . 3. The method according to claim 1, wherein the specific key is operated during a normal key operation.
Function and information input other than key operation restriction release are possible without
Function and the key operation restriction is
3. The mobile phone according to claim 1, wherein only the key operation restriction is released . 4. A key lock method used for a mobile phone having a key input unit, wherein the key lock is set in advance after a key operation on the key input unit is completed while the power of the mobile phone is on and in an on-hook state. Detecting that no key operation is performed on the key input unit within a predetermined time period, and detecting a key operation on the key input unit when it is detected that the key operation is not performed within the predetermined time period. Disabling the key input from the key input unit by restricting the operation, and releasing the restriction on the key operation in response to pressing of a specific key set in advance when the key input is invalid. The step of releasing the restriction on the key operation includes the pressing surface
Is lower than the pressing surface of other keys installed on the same plane.
Control of the key operation in response to the pressing of a specific key
A key lock method characterized by releasing the limit . 5. The apparatus according to claim 1, wherein said key operation is restricted and said specific key is
Key is pressed for longer than the key input recognition time
Keylock method of claim 4, wherein <br/> include stearyl-up is determined that release of the key operation of the restrictions on. 6. The method according to claim 1, wherein the specific key is operated during a normal key operation.
Function and information input other than key operation restriction release are possible without
Function and the key operation restriction is
The key lock method according to claim 4 or 5, wherein only the key operation restriction is released . 7. A recording medium recording a key lock control program for causing a computer to lock a key on the key input unit in a mobile phone having a key input unit, wherein the key lock control program is stored in the computer. It is assumed that no key operation is performed on the key input unit within a predetermined time after the key operation on the key input unit is completed in a state where the power of the mobile phone is on and in an on-hook state. And detecting that the key operation is not performed within the predetermined time, restricting the key operation to the key input unit to invalidate the key input from the key input unit, and disabling the key input. wherein together to release the restriction of the key operation, to release the restriction of the key operation in response to depression of predetermined specific key when the When pressing,
Lower than the pressing surface of other keys installed on one plane
The key operation in response to the specified key being pressed
Recording medium recording key lock control program, characterized in that to release. 8. The key lock control program instructs the computer to restrict the key operation and specify the specific key.
Key is pressed for longer than the key input recognition time
8. A recording medium storing a key lock control program according to claim 7 , wherein it is determined that the restriction on the key operation is released . 9. The key lock control program according to claim 1, wherein the key lock control program causes the computer to execute a normal key operation for the specific key
Input of functions and information other than at least key operation restriction release
And when the key operation restriction is performed
9. The recording medium according to claim 7, wherein only the key operation restriction is released .