JP2009296668A - Wireless communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wireless communication terminal which changes a function regarding a key allocation on the wireless communication terminal corresponding to an external peripheral equipment during connecting the terminal to the equipment. <P>SOLUTION: When a connection of an external keyboard 16 is detected, the wireless communication terminal 14 converts the key allocation to a key allocation set for the external keyboard 16. After the connection, a key allocation catalogue is displayed on a display 6 (in Fig.2, "3 Key Allocation Display during Connecting") for notifying a user that the key allocation has been changed. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a wireless communication terminal having an interface with an external peripheral device.

Conventionally, a voice call is mainly used as a use purpose in a mobile phone, and characters such as a short message are input by a numeric keypad on a terminal.

Recently, the usage of handling character information such as the Internet and E-Mail on mobile phones has increased, and as a result, an external keyboard using connection via a system connector is used as an option as an interface for character input.

However, since the external keyboard has many keys such as alphabets and numbers, there is a drawback that it is not suitable for carrying.

Under such circumstances, the external keyboard can be miniaturized by changing the key assignment of the numeric keypad on the terminal when the external keyboard is connected and realizing some functions of the external keyboard on the terminal.

An object of the present invention is to provide a mechanism capable of changing a function related to key assignment on a wireless communication terminal corresponding to a device when an external peripheral device is connected by paying attention to such a problem. Objective.

In order to achieve the above object, the wireless communication terminal of the present invention is a wireless communication terminal including an interface for connecting an external device having at least a first input function, in a state where the external device is connected, Changing means for changing the second input function on the wireless communication terminal corresponding to the external device, and the wireless communication terminal when the changing means receives an incoming signal from the base station while changing the input function And an incoming call changing means for changing the above input function to the second input function.

As described above, according to the present invention, it is possible to reduce the size of the external peripheral device by providing means for extending or changing the input function of the wireless communication terminal by the connected external peripheral device. Become. Furthermore, when receiving an incoming signal, it is possible to temporarily change the input function of the wireless communication terminal to a non-connected state.

It is a block diagram of the radio | wireless communication terminal of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram of Example 1 by this invention. It is a flowchart of the radio | wireless communication terminal of Example 1 by this invention. It is a schematic diagram of Example 2 by this invention. It is a schematic diagram of Example 3 by this invention. It is a schematic diagram of Example 4 by this invention. It is a flowchart of the radio | wireless communication terminal of Example 4 by this invention.

  Embodiments of a wireless communication terminal according to the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic functional block diagram showing an electrical configuration of a wireless communication terminal 14 according to an embodiment of the present invention.

In this example, Blueto, which is a short-range wireless communication, is used as an interface with external peripheral devices.
The case where the oth (registered trademark, the same applies hereinafter) method is used is shown. The present invention is not limited to the embodiment described above.

In FIG. 1, reference numeral 1 denotes a radio unit that transmits and receives radio waves in a predetermined frequency band with a carrier base station (not shown), and 2 denotes a main control unit that controls communication protocol control and user interface in the radio unit 1. Reference numeral 3 denotes a call control unit that demodulates a signal transmitted using a communication channel established by communication protocol control by the main control unit 2 and modulates a signal to be transmitted to form a call path with the other party. .

4 is a speaker that emits an audio signal transmitted from the call path formed by the call control unit 3 to the outside, and 5 is an external audio signal that is collected and converted into an electric signal, and the converted audio signal is converted into a call control unit. 3 is a microphone that is sent out to the call path formed by 3. The speaker and the microphone 5 constitute a handset for making a call with the other party.

6 is a display unit that displays various information under the control of an image processing unit 10 (described later), 7 is an operation input unit that includes numeric keys for inputting telephone numbers and the like, function keys for operating various functions, and the like. ,
Reference numeral 8 denotes a storage unit for storing preset additional numbers, phonebook data, redial data, missed call data, and the like, and 9 is an external input unit for inputting data from an external device.

10 has a function of performing display control of the display unit 6 and data encoding / decoding under the control of the main control unit 2, and digitizes the video signal input by the camera 11 (described later). The image processing unit generates video image signal data by encoding with a predetermined encoding method and outputs the video image signal data to the main control unit 2.

In addition, the image processing unit 10 decodes the encoded image data given from the main control unit 2, converts it to analog, generates an image signal, and displays it on the display unit 6. Reference numeral 11 denotes a camera that converts an image into an electrical signal and outputs the signal to the image processing unit 10.

The Bluetooth system is composed of a Bluetooth control unit 12 and a Bluetooth radio unit 13, and Bluetooth
The th wireless unit 13 performs transmission / reception of radio waves in a predetermined frequency band with a communication terminal or a Bluetooth base station provided with a Bluetooth system (not shown), and the Bluetooth control unit 12 performs control such as communication protocol control in the Bluetooth wireless unit 13.

(Example 1)
FIG. 2 is a configuration diagram illustrating the first embodiment.

The wireless communication terminal 14 in FIG. 2 is an example in which the wireless communication terminal 14 is connected to an external keyboard 16 that is an external peripheral device through the Bluetooth control unit 12 and the Bluetooth wireless unit 13 (hereinafter collectively referred to as the Bluetooth unit unit 15). is there.

The wireless communication terminal 14 is turned on by the keyboard and is about 10 m around the wireless communication terminal 14.
When placed in the vicinity, the external peripheral device is recognized as a slave ("1. Keyboard power on" in FIG. 2).

Then, a communication link establishment process is performed through a predetermined protocol, and recognition as the external keyboard 16 is performed by obtaining an ID assigned to each external peripheral device (see “
2. Keyboard connection detection ").

When the connection of the external keyboard 16 is detected, the wireless communication terminal 14 converts the key assignment into the key assignment set for the external keyboard 16, and notifies the user that the key assignment has been changed after the connection. The key assignment list is displayed on the display unit 6 (see “
3. Key assignment display when connected ").

Further, for each key function, one of the key assignments may be assigned to the HELP key so that the function can always be confirmed even during application operation (see “4.
Individual key function display ”).

The operation of the wireless communication terminal described with reference to FIG. 2 will be described with reference to the flowchart of FIG.

In order to use the external keyboard 16, the Bluetooth inside the wireless communication terminal 14
The unit unit 15 is activated by the main control unit 2 and waits as a master, and the user turns on the external keyboard 16 (S1).

When the power is turned on, the Bluetooth unit 15 inside the keyboard
The presence of the device is confirmed (S2).

  When the wireless communication terminal 14 as a master is detected, connection as a slave is attempted (S3).

At this time, if the wireless communication terminal 14 cannot permit the connection, the image processing unit 10 displays a connection failure message such as “The external keyboard cannot be used” on the display unit 6 and ends the process. If the wireless communication terminal 14 is connectable, the communication link establishment process is performed according to a predetermined protocol, and the wireless communication terminal 14 is connected as a slave (S4).

The wireless communication terminal 14 acquires a peripheral device ID assigned to each external peripheral device transmitted by the protocol. From the acquired ID, the main control unit 2 of the wireless communication terminal 14 recognizes that the connected external peripheral device is the external keyboard 16 by referring to the ID and peripheral device table written in the storage unit 8 ( S5).

When the connection is established, the wireless communication terminal 14 assigns the key assignment and function matched to the external keyboard 16 by the main control unit 2 to the operation input unit 7 of the terminal itself (S6).

In order to explain the key assignment of the terminal itself when the external keyboard 16 is connected to the user, the key assignment may be displayed on the display unit 6 through the image processing unit 10 when the connection is successful (S7).
).

Next, the wireless communication terminal 14 executes an application program for the external keyboard 16 by the main control unit 2 (S8).

When there is an incoming call via a mobile communication system (not shown) during execution (S9), the main control unit 2 displays the incoming call on the display unit 6 through the image processing unit 10 (S10), and the main control unit 2 performs operation input. The key assignment of the unit 7 is temporarily returned to the normal assignment (S11).

When the user's call processing ends (S12), the main control unit 2 returns the key assignment to the external keyboard 16 (S13), and executes the application program again.

In the present embodiment, if all the functions assigned to the keys of the wireless communication terminal 14 are realized by the external keyboard 16, a special function that makes the operation input unit 7 on the wireless communication terminal 14 easier to operate. May be assigned. As such a function, a shortcut of a WEB browser, an E-Mail address input at the time of mail creation, a sentence cut and paste function, and the like can be considered.

(Example 2)
FIG. 4 is a configuration diagram illustrating the second embodiment.

FIG. 4 is an application of the second embodiment, and the external keyboard 16 is replaced with WEB browsing or E.
-This is an example of specializing mail input.

In the first embodiment, since the external keyboard 16 includes all the input functions necessary for the wireless communication terminal 14, the external keyboard body tends to be large. FIG. 4 shows that by connecting a small and special external keyboard 17 for WEB browsing or E-Mail.
In this example, the functions assigned to the keys of the wireless communication terminal 14 are limited to key assignments specialized for the use of the external keyboard 17.

In this second embodiment, the user connects the external keyboard 17 for E-Mail and uses it together with the operation input unit 7 on the terminal, so that the portability is not impaired.
All functions related to il can be realized with simple operations.

For example, as a function that is actually assigned to the operation input unit 7 on the terminal, it is a basic function necessary for mail browsing, such as [Receive], [Shortcut to each mailbox], [Address Book], or mail creation. [Send] and [Email address shortcut] are used, and the external keyboard 17 may be used for inputting characters, inputting an e-mail address, or the like.

These terminal key assignment displays are shown in “2. Mail dedicated keyboard connection detection” “
3. It is as shown in the key layout on the terminal of “when reading mail” and “4. when creating mail”.

In this way, the user can perform basic mail browsing operations on the terminal, and use of the external keyboard 17 is possible when operations such as mail creation are necessary.

(Example 3)
FIG. 5 is a block diagram showing the third embodiment.

FIG. 5 shows an example in which an audio controller 18 is connected as an external input device. When the audio controller is connected to the wireless communication terminal 14, the wireless communication terminal 14 converts the key assignment of the operation input unit 7 of the terminal itself for the audio player. The audio controller 18 includes [Play], [Stop], [Reverse], [Skip], [
Downsizing including only basic functions such as [Volume].

The operation input unit 7 of the terminal body can select advanced functions such as [song selection], [search], [playlist], [digital filter] and the like. The user performs basic operations with the controller 18, and the operation input unit 7 on the terminal may be used to select a song by track number or artist name or to play in the order of his favorite song.

These terminal key assignment displays are shown in “2. Audio controller connection detection” in FIG.
The key arrangement on the terminal is as shown in “3. When using advanced functions such as song selection and equalizer” and “4. When using basic functions”.

(Example 4)
FIG. 6 is a block diagram showing the fourth embodiment.

FIG. 6 is an example when a plurality of external input devices are connected to the wireless communication terminal 14. Blueto
The connection by the oth method can communicate simultaneously with up to seven slaves excluding the master. In this embodiment, when the E-Mail external keyboard 17 and the audio controller 18 are connected to the wireless communication terminal 14 and the wireless communication terminal 14 receives a signal from each external input device, the operation input unit of the terminal itself is dynamically added. 7 key assignments are converted for each external input device.

  The operation of this wireless communication terminal will be described with reference to the flowchart of FIG.

In order to use the external input device, the Bluetooth unit unit inside the wireless communication terminal 14 is activated from the main control unit 2 in advance and waits as a master. The user turns on the power of the WEB external keyboard 17 and the audio controller 18 (S1).

When the power is turned on, the presence of peripheral Bluetooth devices is confirmed from the Bluetooth unit portion of each external input device (S2).

When the wireless communication terminal 14 as a master is detected, each external input device tries to connect as a slave (S3).

At this time, if the wireless communication terminal 14 cannot permit the connection, the image processing unit 10 displays a connection failure message such as “The external keyboard cannot be used” on the display unit 6 and ends the process. If the wireless communication terminal 14 is connectable, the communication link establishment process is performed according to a predetermined protocol, and the wireless communication terminal 14 is connected as a slave (S4).

The wireless communication terminal 14 acquires a peripheral device ID assigned to each external peripheral device transmitted by the protocol. From the acquired ID, the main control unit 2 of the wireless communication terminal 14 refers to the ID and peripheral device table written in the storage unit 8 that the connected external peripheral device is the external keyboard 17 for E-Mail. (S5).

Similarly, the audio controller 18 repeats the above processing and connects as a slave. When the connection is established, the wireless communication terminal 14 assigns keys and functions to the operation input unit 7 of the terminal itself by the main control unit 2 according to the external input device (S6).
.

In order to explain the key assignment of the terminal itself when the external input device is connected to the user, the key assignment may be displayed on the display unit 6 through the image processing unit 10 when the connection is successful (S7).

Next, the wireless communication terminal 14 executes an application program for the external keyboard 17 by the main control unit 2 (S8).

When there is an incoming call via a mobile communication system (not shown) during execution (S9), the incoming call is displayed on the display unit 6 through the image processing unit 10 (S10), and the main control unit 2 assigns keys to the operation input unit 7 Is temporarily returned to normal allocation (S11).

When the user's call processing is completed (S12), the key assignment is assigned to the external keyboard 17.
(S13), and the application program is executed again.

When a plurality of external input devices are connected, the operation input unit 7 of the wireless communication terminal 14 dynamically converts the key assignment corresponding to the input from each external input device (S14, S15). Further, an external input device switching key may be assigned on the operation input unit 7 of the wireless communication terminal 14.

DESCRIPTION OF SYMBOLS 1 ... Radio | wireless part, 2 ... Main control part, 3 ... Call control part, 4 ... Speaker, 5.
· Microphone, 6 ··· Display unit, 7 ··· Operation input unit, 8 ··· Storage unit, 9 ··· External input unit, 10 · · · Image processing unit, 11 · · · Camera, 12・ Bluetooth control unit, 13
... Bluetooth wireless part, 14 ... Wireless communication terminal, 15 ... Bluetooth unit part, 1
6 ... External keyboard, 17 ... E-Mail external keyboard, 18 ... Audio controller

Claims (4)

In a wireless communication terminal having an interface for connecting an external device having at least a first input function,
In a state where the external device is connected, changing means for changing the second input function on the wireless communication terminal corresponding to the external device;
When the change means receives an incoming signal from the base station during the change of the input function,
A wireless communication terminal comprising: an incoming call changing means for changing an input function on the wireless communication terminal to a second input function. In a wireless communication terminal having an interface for connecting an external device having at least a first input function,
Corresponding to the connection of the external device, changing means for changing the second input function on the wireless communication terminal corresponding to the external device;
When the change means receives an incoming signal from the base station during the change of the input function,
A wireless communication terminal comprising: an incoming call changing means for changing an input function on the wireless communication terminal to a second input function. Display means for displaying characters or figures;
In response to receiving the input of the input function on the wireless communication terminal changed by the changing unit, at least one of the first input function and the input function changed by the changing unit is displayed. The wireless communication terminal according to claim 1, further comprising an input function display means for displaying on the means. The interface further connects an external device having a third input function,
The changing means changes the second input function on the wireless communication terminal to the fourth input function in response to receiving the input of the first input function,
4. The second input function on the wireless communication terminal is changed to a fifth input function in response to receiving an input of the third input function. The wireless communication terminal according to item.

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