JP4799461B2 - Electronics - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device having a key lock function for invalidating a key input operation, and in particular, a key lock operation unit configured by a touch panel is provided on the main body of the electronic device , and the key lock is turned on / off by operating the touch panel. The present invention relates to an electronic device that is set.

  With the development of information processing technology and communication technology in recent years, various portable information communication terminal devices have become widespread. Such a mobile terminal device is connected to an information distribution server or a desired website that provides various services via a network such as the Internet when the user is out, or receives the service, or acquires information, You can connect to your company's network and acquire information necessary for business.

  Recently, the hardware and software functions of mobile phones have been enhanced, and the functions of conventional mobile terminal devices have also been increased, and there has been a remarkable increase in the penetration rate of mobile phones. The number of operators providing data communication services using mobile phones is increasing, and mobile phones can be used to receive various services such as banking, Internet sales, navigation, payment for transportation and convenience stores, etc. It has become like this. In particular, mobile phones can be equipped with various options and applications, and the types of services that can be used are also increasing.

  Conventionally, it has been pointed out that there is a risk that a mobile phone may be misplaced, lost, or stolen by a third party, or personal information stored in the mobile phone may be misused. Various means have been proposed for making a mobile phone normally available only to authorized owners in case of loss or theft of the phone.

  For example, a method in which the proper owner sets an arbitrary password for each function provided by the mobile phone, activates the function after checking the password, and key lock that disables the key input operation of the mobile phone A method of providing a function for setting and canceling has been proposed. Such functions are becoming increasingly important as the functions of cellular phones expand and expand.

  In addition, some mobile phones have a foldable main body structure and some have a straight type main body structure. In the case of a mobile phone with a foldable main body configuration, the keys and various operation buttons are provided at the inner position when folded, and the keys and buttons will not be operated without the intention of the owner. Absent. On the other hand, in the case of a mobile phone field having a straight type main body structure, keys and buttons are provided on the outer surface of the main body, so that, for example, a finger touches or moves in a bag or pocket Even if it is not intended, it may become an operation state.

  Therefore, in the case of a mobile phone having a straight type main body structure, in addition to the key lock function for loss or theft, when the key or buttons are in an operating state unintended by the owner, A function that can disable unintended key operations is required.

  A cellular phone provided with a key lock switch to invalidate or cancel the operation of various keys is disclosed in, for example, the following Patent Document 1 (Japanese Patent Laid-Open No. 2006-50033). This mobile phone is a mobile phone that can be set so that the manner mode and the key lock can be set using the same or different key lock switches.

That is, the invention of the mobile phone disclosed in Patent Document 1 includes a key lock switch in the mobile phone body, and by operating the key lock switch, setting of key lock for the purpose of key operation invalid setting, At least the manner mode setting that suppresses ringing of ringtones is performed in conjunction with each other. The presence / absence of the interlocking operation can be selected by the user in the initial setting, or a manner key for performing only the manner mode setting is provided separately from the key lock switch.
JP 2006-50033 A (FIG. 1)

  As described above, the invention of the mobile phone disclosed in Patent Document 1 includes a key lock switch provided in the mobile phone body, and operates a key lock switch so as to set a key operation invalid setting. The lock setting and at least the manner mode setting for suppressing ringing of ringtones are performed in conjunction with each other.

  In this way, when a key lock switch is provided on the mobile phone body and the key lock setting is made for the purpose of setting the operation invalidity by operating this key lock switch, it is in a bag or pocket. When the key lock switch is touched with a finger or the main body is moved, an unexpected operation of the switch occurs and the key lock is released.

  The mobile phone disclosed in Patent Document 1 has a folding-type main body configuration. However, when a key lock switch is provided in a straight-type mobile phone, the above-described malfunction is particularly likely to occur.

The inventor of the present application has made various studies in order to solve the above-mentioned problems, and as a result, the present inventors have conceived that the above-mentioned problems can be solved by providing a touch switch for key lock operation on the electronic device body. The invention has been completed. In particular, if That raise to set the on-off key lock function by a touch panel switch in the mobile phone having a body structure of a straight type, so in avoiding the risk of erroneous operation occurs.

  That is, an object of the present invention is to provide a mobile phone in which a key lock is not set or released in a state unintended by the owner. It is.

In order to solve the above-mentioned problem, the present invention is an electronic device that includes an input unit including a plurality of keys, and is capable of changing the operation of the input unit to an invalid state or an effective state. A first touch switch and a second touch switch are provided on one side surface of the electronic device main body, and the first touch switch and the second touch switch are provided on the side surface with a gap interposed therebetween. The operation of the input unit is invalidated when operated with a finger in the order from one touch switch to the second touch switch, and the input unit is operated when operated with a finger in the order from the second touch switch to the first touch switch. It is characterized in that the operation of is made effective .

According to the electronic device of the present invention, since the switch for on / off control of the key lock is a touch switch, it is an unintended switch due to a finger touching or moving the body in a bag or pocket. Does not cause the operation. Therefore, the key lock of the electronic device is not set or released in an unintended state, and no erroneous operation occurs.

In the present invention, a first touch switch and a second touch switch are provided, and the key lock control unit sets the key lock based on the operation order of the first touch switch and the second touch switch. Since the on / off can be controlled, the key lock of the electronic device is not set or released in an unintended state, and no erroneous operation occurs.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings. However, the embodiments shown below exemplify a mobile phone for embodying the technical idea of the present invention, and are not intended to specify the present invention for this mobile phone. The present invention can be equally applied to the mobile phones of other embodiments included in the scope.

  FIG. 1 is a block diagram illustrating a schematic configuration of the mobile phone according to the first embodiment of the present invention. As shown in FIG. 1, the mobile phone includes a communication unit 1 connected to an antenna 2. The communication unit 1 transmits a signal from a baseband unit 10 described later to the base station via the antenna 2 or receives radio waves from the base station via the antenna 2.

  The communication unit 1 is connected to the baseband unit 10. The baseband unit 10 includes a CDMA processing circuit 11 and an audio codec 12. Here, the CDMA processing circuit 11 performs code division multiple access, scrambling, error control, and timing detection. The audio codec 12 compresses (encodes) and decompresses (decodes) the audio, performs analog and digital conversion, and changes the received sound volume and microphone sensitivity using an internal amplifier circuit (not shown). .

  A switching circuit 20 is connected to the baseband unit 10. A first speaker 22 is connected to the switching circuit 20 via an amplifier circuit 21. The first speaker 22 converts the electric signal of the baseband unit 10 amplified by the amplifier circuit 21 into sound. The first speaker 22 is applied to the user's ear and used for a call.

  A microphone 24 is connected to the switching circuit 20 via an amplifier circuit 23. The microphone 24 is used for a telephone call and converts sound into an electrical signal. The electric signal input from the microphone 24 is amplified by the amplifier circuit 23 and output to the baseband unit 10.

  In addition, a second speaker 26 is connected to the switching circuit 20 via an amplifier circuit 25. The second speaker 26 converts the electric signal of the baseband unit 10 amplified by the amplifier circuit 25 into sound. The second speaker 26 is a loudspeaker for listening to the surrounding sound of the received sound. The second speaker 26 also sounds an incoming call notification. Note that the gains of these three amplifier circuits 21, 23, and 25 are fixed, and the volume of the first speaker 22 and the second speaker 26 and the sensitivity of the microphone 24 cannot be changed.

  The switching circuit 20 connects the baseband unit 10 to the amplification circuit 21 for the first speaker 22 and the amplification circuit 23 for the microphone 24, or the amplification circuit 25 for the second speaker 26 for loud sound. And switching to the amplifying circuit 23 side for the microphone 24.

The communication unit 1, the baseband unit 10, and the switching circuit 20 are each connected to the control circuit 30. A ROM 31 and a RAM 32 are connected to the control circuit 30. A system program for operating the control circuit 30 is stored in the ROM 31, and various information necessary for the operation of the control circuit 30 is stored in the RAM 32. .
Switching by the switching circuit 20 described above is performed under the control of the control circuit 30. The control circuit 30 controls the audio codec 12 of the baseband unit 10, and the audio codec 12 changes the volume of the first speaker 22 and the second speaker 26 and the sensitivity of the microphone 24.

  An input unit 40 is connected to the control circuit 30. The input unit 40 includes a numeric keypad 41 for inputting a telephone number and the like, a call key 42 for operating the start of a call, a cut key 43 for operating the end of the call, an OK key 44, and a clear key 45. ing.

  Further, a display 50 made of, for example, a liquid crystal panel and an illumination unit 51 made of, for example, an LED element are connected to the control circuit 30 as a backlight. Various character information and image information are displayed on the display 50.

  The mobile phone is provided with a touch switch 60 for setting on / off of the key lock function, and this touch switch 60 is provided so that the touch surface is outside the mobile phone main body as will be described later. . The control circuit 30 includes a key lock control unit 35 that controls on / off of the key lock by an input signal from the touch switch 60.

  When the touch switch 60 is touched with a finger, a touch switch detection signal is sent to the key lock control unit 35, and the key lock control unit 35 sets the key lock function to ON by the first touch switch detection signal. Next, when the touch switch 60 is touched with a finger, a touch switch detection signal is sent to the key lock control unit 35, and the key lock control unit 35 sets the key lock function to OFF. When the key lock function is set to ON, the input signal from the input unit 40 is invalidated and the mobile phone cannot be operated. When the key lock function is set to off, the input signal from the input unit 40 becomes valid and the mobile phone can be operated.

  In addition, when the key lock is switched on and off, confirmation by sound from the speakers 22 and 26, confirmation by a vibrator function (not shown), confirmation from the display by blinking of the illumination unit 51, or the like is used. Also good.

  FIG. 2 is a diagram illustrating an appearance of the mobile phone according to the first embodiment of the present invention. This mobile phone is a mobile phone having a straight type main body structure, and a touch switch 60 is provided on a side surface of the mobile phone main body. 2A is a side view of the mobile phone, and FIG. 2B is a front view of the mobile phone.

  In FIG. 2, the cellular phone includes an antenna 2, a display 50, and an input unit 40, and a touch switch 60 is provided on the side surface of the cellular phone body. When the touch switch 60 is operated with a finger and a touch switch detection signal is input to the key lock control unit 35 (see FIG. 1), the key lock control unit 35 turns on / off the key lock function by the control as described above. Set.

  That is, when the touch switch 60 is touched with a finger, a touch switch detection signal is sent to the key lock control unit 35, and the key lock control unit 35 sets the key lock function to ON by the first touch switch detection signal. . Next, when the touch switch 60 is touched with a finger, a touch switch detection signal is sent to the key lock control unit 35, and the key lock control unit 35 sets the key lock function to OFF. When the key lock function is set to ON, the input signal from the input unit 40 is invalidated and the mobile phone cannot be operated.

  FIG. 3 is a block diagram illustrating a schematic configuration of the mobile phone according to the second embodiment of the present invention. The configuration of this mobile phone is basically the same as that of the mobile phone shown in FIG. 1, but the touch switch 60 includes a first touch switch 61 and a second touch switch 62. Further, the key lock control unit 35 is different in that the operation sequence of the first touch switch 61 and the second touch switch 62 is detected to control on / off of the key lock. 3, the same components as those in FIG. 1 are denoted by the same reference numerals. The description of those components is omitted to avoid duplication.

  FIG. 4 is a diagram illustrating an appearance of the mobile phone according to the second embodiment of the present invention. This mobile phone is a mobile phone having a straight type main body structure, in which a first touch switch 61 and a second touch switch 62 are provided on the side surface of the mobile phone main body. 4A is a side view of the mobile phone, and FIG. 4B is a front view of the mobile phone.

  As shown in FIG. 4A, the first touch switch 61 and the second touch switch 62 are provided on the side surface of the mobile phone body with a gap 70 interposed therebetween. When each touch switch is touched with a finger, a touch switch detection signal is sent to the key lock control unit 35.

  FIG. 5 is a diagram showing a key lock control system by the key lock control unit 35. As shown in FIG. 5, the touch switch detection signal from the first touch switch 61 and the touch switch detection signal from the second touch switch 62 are sent to the key lock control unit 35, and the key lock control unit 35 The order of detection signals is detected. That is, the operation order of the first touch switch 61 and the second touch switch 62 is detected.

  FIG. 6 is a schematic diagram illustrating an operation order of the first touch switch 61 and the second touch switch 62. 6A shows that the first touch switch 61 and the second touch switch 62 are operated in this order, and FIG. 6B shows that the second touch switch 61 and the first touch switch 62 are operated in this order. It is a figure which shows that.

  As shown in FIG. 6A, the key lock control unit 35 is operated in the order of the first touch switch 61 and the second touch switch 62, that is, the touch switch detection signal of the first touch switch 61, the second touch When the detection signals are input in the order of the touch switch detection signal of the switch 62, a key lock on signal (see FIG. 5) is sent to set the key lock function to “on”. Thereby, even if there is a key operation of the input unit 50, it is invalidated and the mobile phone is locked in a state where it cannot be operated.

  Further, as shown in FIG. 6B, the key lock control unit 35 is operated in the order of the second touch switch 62 and the first touch switch 61, that is, the touch switch detection signal of the second touch switch 62, When detection signals are input in the order of the touch switch detection signal of one touch switch 61, a key lock off signal (see FIG. 5) is sent to set the key lock function to “off” (release the key lock). ). As a result, the key operation of the input unit 50 is validated, and the mobile phone returns to an operable state.

  As described above, according to the mobile phone according to the second embodiment, the key lock is set and released according to the operation order of the first touch switch 61 and the second touch switch 62. Therefore, the mobile phone according to the first embodiment. Compared to the above, it is possible to eliminate the setting or release of the key lock in an unintended state.

It is a block diagram which shows schematic structure of the mobile telephone which concerns on Example 1 of this invention. It is a figure which shows the external appearance of the mobile telephone concerning Example 1 of this invention, Fig.2 (a) is a side view of a mobile telephone, FIG.2 (b) is a front view of a mobile telephone. It is a block diagram which shows schematic structure of the mobile telephone which concerns on Example 2 of this invention. FIG. 4A is a side view of a mobile phone, and FIG. 4B is a front view of the mobile phone according to a second embodiment of the present invention. It is a figure which shows the key lock control system by the key lock control part of the mobile telephone concerning Example 2 of this invention. FIG. 6 is a schematic diagram showing the operation order of the touch switch in FIG. 4, FIG. 6A is a diagram showing that the first touch switch 61 and the second touch switch 62 are operated in this order, and FIG. It is a figure which shows having been operated in order of the 2nd touch switch 61 and the 1st touch switch 62. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Communication part 2 ... Antenna 10 ... Baseband part 11 ... CDMA processing circuit 12 ... Voice codec 20 ... Switching circuit 21 ... Amplifier circuit 22 ... No. One speaker 23 ... amplifier circuit 24 ... microphone 25 ... amplifier circuit 26 ... second speaker 30 ... control circuit 31 ... ROM
32 ... RAM
40 ... input unit 41 ... numeric keypad 42 ... call key 43 ... off key 44 ... OK key 45 ... clear key 50 ... display 51 ... illumination unit 60 ... Touch switch 61 ... first touch switch 62 ... second touch switch 70 ... gap

Claims (1)

An electronic device comprising an input unit composed of a plurality of keys, the operation of the input unit can be changed to an invalid state or an effective state
The electronic device includes a first touch switch and a second touch switch on one side surface of the electronic device body, and the first touch switch and the second touch switch are provided on the side surface with a gap therebetween. And
When operated with a finger in the order from the first touch switch to the second touch switch, the operation of the input unit is invalidated, and when operated with a finger in the order from the second touch switch to the first touch switch, An electronic device characterized in that operation of an input unit is made effective .

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