JP2002111808A - Collapsible communication terminal device and luminescent color selection method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a collapsible communication terminal device and luminescent color selection method which can intuitively judge presence or absence of informative information without reading the informative information displayed in a sub-display unit. SOLUTION: When a user operates a side OK key 12 or a side scroll key 13 in a state of closing a collapsible communication terminal device 1, a control unit 20 calls this selection processing subroutine in order to light a backlight of a sub-display 18. The control unit 20 judges presence or absence of a non- response incoming call in step 100, and if there is no non-response incoming call, a green color as a first light source is selected and lit in step 101 to terminate. On the other hand, if there is the non-response incoming call, a red color as a second light source is selected and lit in step 102 to terminate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable communication terminal apparatus and a method for selecting a luminescent color, and more particularly, to a standby display and a non-display state in a folded state by turning on a backlight. TECHNICAL FIELD The present invention relates to a foldable communication terminal device and a light emission color selection method for distinguishing response incoming call displays.

[0002]

2. Description of the Related Art In recent years, PHS (Personal Handy phone Sy
stem), PDC (Personal Digital Cellular telecommuni
cation system) and CDMA (Code Division Multiple A)
Mobile communication devices such as ccess) have become widespread due to their small size, light weight, improved communication quality, and reduced main unit prices and telephone charges, and have become essential items especially among young people. In recent years, the popularity of foldable mobile communication devices, which have excellent fashionability and operability, has been concentrated.
It is expected that manufacturers will compete to sell foldable mobile communications.

[0003] As a prior art of a foldable mobile communication device, Japanese Patent Application Laid-Open No. H11-79953 discloses a sub-display together with a main display, which allows a user to know information such as an incoming call even when the user is folded. The technology provided is disclosed and is already a well-known technology. This sub-display is for displaying the minimum necessary information to the user when the foldable communication terminal is closed, and is generally inexpensive and lower in display performance than the main display. Are used. Specifically, a color liquid crystal display device is used as the main display device, and a black and white liquid crystal display device is used as the sub display device.

By the way, one of the performances of the foldable mobile communication device is as follows.
One is the use time performance. This usage time performance is
It is expressed as the length of time that a continuous call can be made and the time that a continuous standby can be made from a fully charged state. To improve this performance, the companies compete to make efforts to save power. For example, when the foldable mobile communication device is opened, the user looks at the main display and turns off the backlight of the sub display. On the other hand, since the main display cannot be seen in the closed state, the backlight of the main display is naturally turned off. When no key operation is performed for a predetermined time while the backlight is on, the backlight is automatically turned off. As another power saving measure, the power of an electric circuit that does not need to be operated is turned off during intermittent reception.

[0005] That is, it is no exaggeration to say that the backlight of each display of the folding mobile communication device is turned off in most cases in order to save power. In most cases, the foldable mobile communication device is in a state of being folded and waiting, rather than being actually used for a telephone call, e-mail, or the like. Furthermore, ringtones can be very annoying in concert halls and conference rooms, so set the manner mode to prevent the ringer from ringing even if there is an incoming call, and avoid unexpected ringtones. In many cases, the user always sets the manner mode.

Accordingly, users of the foldable mobile communication device have
It tries to check the notification information such as incoming calls only by using the sub-display with the backlight turned off in the folded state. . Therefore, a device for providing an any-key lighting function and operating an arbitrary key to turn on the backlight when the backlight is turned off, thereby making it easy to check the notification information is incorporated.

[0007]

However, in the above-mentioned conventional folding mobile communication device, the backlight is turned on by the any key lighting function so that the notification information can be easily checked. It just lights up,
After all, the user must read and confirm the characters as the notification information, and cannot determine the presence or absence of the notification information until it is confirmed.

The present invention has been made to solve the above-mentioned problem, and it is possible to intuitively determine the presence or absence of notification information without reading the notification information displayed on the sub-display. It is an object of the present invention to provide a foldable communication terminal device and a method of selecting a luminescent color.

[0009]

According to a first aspect of the present invention, there is provided a foldable communication terminal device for achieving the above object.
By illuminating the backlight, in the folding communication terminal device that distinguishes between the standby display and the unanswered incoming call display on the sub-display in the folded state, in the folding communication terminal device, the standby display and the unanswered incoming call display are switched. A display changeover / lighting switch for turning on the light, a judging means for judging whether or not there is an unanswered call to be displayed, and a selecting means for selecting a light source of a backlight to be turned on in response to the display change / lighting switch; When the determining unit determines that there is no unanswered incoming call, the selecting unit selects the first light source that emits light in the first color, while the determining unit determines that there is an unanswered incoming call In this case, a second light source that emits light of another color is selected.

According to a second aspect of the present invention, there is provided the foldable communication terminal for turning on the backlight to distinguish the standby display and the unanswered incoming call display on the sub-display in the folded state. In the method of selecting a light emission color of an apparatus, a first step of switching between the standby display and the unanswered incoming call display and turning on a backlight, a second step of determining whether there is an unanswered incoming call to be displayed, A third step of selecting a backlight light source to be turned on in response to the step, wherein the third step emits light in a first color when the second step determines that there is no unanswered call. A fourth light source that emits light of another color when the second step determines that there is an unanswered call. And wherein the door.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is an external view of a foldable communication terminal device according to the present invention. FIG. 1 (A) is a front view in an open state, and FIG. 1 (B) is a left side view in an open state. FIG. 1C is a front view of the closed state.

Reference numeral 1 denotes a foldable communication terminal device main body.

Reference numeral 2 denotes a main display, which comprises a color liquid crystal display or an organic EL display, and displays information to be notified, various kinds of detailed information such as character information and current time information. When the foldable communication terminal device 1 is closed, the display contents cannot be checked, so that the main display 2 is turned off and contributes to power saving.

Reference numeral 3 denotes a flexible key for selecting an item displayed at a lower portion of the main display 2.

Reference numeral 4 denotes a four-contact key for moving a cursor in up, down, left, and right directions, and for scrolling display contents in that direction in order.

Reference numeral 5 denotes an e-mail key, which is used when shifting to a display screen of an e-mail function.

Reference numeral 6 denotes a menu / OK key for moving to a menu item or confirming a selected item.

Reference numeral 7 denotes an end / power key for turning on the power.
Used to turn on / off or end a call.

Reference numeral 8 denotes a numeric keypad for inputting telephone numbers and characters.

Reference numeral 9 denotes a microphone, which transmits voice during a call.

An earphone terminal cover 10 protects an earphone terminal (not shown).

Reference numeral 11 denotes a WEB key, which is used when shifting to a display screen of the Internet connection function.

Reference numeral 12 denotes a side OK key for confirming memo reproduction, voice recording, and a selected item.

A side scroll key 13 is used to scroll a displayed page forward or backward.

A start key 14 is used when making or receiving a call.

Reference numeral 15 denotes an antenna which receives and transmits radio waves necessary for communication.

Reference numeral 16 denotes a speaker, which reproduces a ring tone, a voice of a partner, various message sounds, and the like.

Reference numeral 17 denotes an incoming call lamp which blinks green when there is an incoming call, and turns on red during charging.

Reference numeral 18 denotes a sub-display, which is composed of a display device requiring a backlight, such as a monochrome liquid crystal display device, and displays various simple information. The backlight of the black and white liquid crystal display device has at least two colors, green and red, in order to distinguish between a case where there is an unanswered call and a case where there is no unanswered call.
With two light sources. In addition, the foldable communication terminal device 1
Is opened, the details are displayed on the main display 2, so that the sub-display 18 is turned off and contributes to power saving. When the side OK key 12 or the side scroll key 13 is operated while the sub-display 18 is turned off, the sub-display 18 turns on and turns off again after a lapse of a predetermined time.

Reference numeral 19 denotes an open / close detection switch, which is a microswitch for mechanically detecting whether the foldable communication terminal device 1 is in an open state or a closed state. However, known means such as an optical sensor for detecting that the foldable communication terminal device main body 1 is opened or an encoder for detecting the opening angle can be used.

FIG. 2 is a block diagram showing the configuration of the foldable communication terminal apparatus according to the present invention.
Standard) -95 based CDMA (Code Division Mul
It shows a case where the present invention is applied to a mobile terminal device of a tiple access type mobile phone. The same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.

As is apparent from FIG. 2, the foldable communication terminal device 1 includes an antenna 15, a transmission / reception unit 21, a modulation / demodulation unit (that is, including a baseband processing unit) 22, an audio processing unit 24, a microphone 9, The configuration includes a speaker 16, a control unit 20, a main display unit 2, a sub display unit 18, and an operation unit 23.

The control unit 20 includes, for example, a microprocessor, a ROM (Read Only Memory) 20a, and a RAM (Rando
m Access Memory) 20b, and performs various controls according to a control program stored in the ROM 20a. The RAM 20b is configured to temporarily store information to be transmitted and received information.

The main display unit 2 and the sub display unit 18
They correspond to the main display 2 and the sub-display 18, respectively.

The operation unit 23 includes a flexible key 3, a contact key 4, an e-mail key 5, a menu / OK key 6, an end / power key 7, a ten key 8, a WEB key 11, a side OK key 12, and a side scroll key 13. , Start key 1
4 and an open / close detection switch 19.

In the foldable communication terminal device 1 having the above configuration, the received radio wave is received by the transmission / reception unit 21 via the antenna 15 and demodulated by the modulation / demodulation unit 22. The audio information demodulated by the modulation / demodulation unit 22 is supplied to an audio processing unit 24, and under the control of the control unit 20, a predetermined process is performed by the audio processing unit 24. And output as audio.

The received data demodulated by the modulation / demodulation unit 22 is supplied to the control unit 20. The received data includes control data, character data, and the like, and is supplied to the main display unit 2 and the sub-display unit 18 and displayed as character information as needed, or stored in the RAM 19a. The control data of the received data includes incoming information of voice communication (including the telephone number of the caller) and incoming information of e-mails and text messages transmitted by a method called SMS de-aler (short message de-aler). Such data is also included.

On the other hand, the input sound is subjected to acoustic-electric conversion by the microphone 9, subjected to predetermined processing by the sound processing unit 24, and then supplied to the modem 22. The input information from the operation unit 23 is transmitted to the R through the control unit 20 as necessary.
The data is stored in the AM 20b and supplied to the modem 22 as transmission data. The modulator / demodulator 22 modulates the supplied audio signal and transmission data, and then transmits the modulated signal from the antenna 15 via the transmitter / receiver 21.

Next, the operation of the foldable communication terminal device according to the present invention configured as described above will be described.

First, the foldable communication terminal device 1 includes a control unit 2
Under the control of 0, a signal is transmitted / received to / from a base station (not shown) in a predetermined procedure to perform location registration, and the apparatus enters a standby state. In this case, it is assumed that the foldable communication terminal device 1 is in a closed state (that is, the state of FIG. 1C).

FIG. 3 is a transition diagram showing a change in the display state of the sub-display.

FIG. 3A shows a display screen of the sub-display 18 in a standby state. Control unit 20
Is the current time from a clock circuit (not shown)
The electric field intensity is acquired from the I detection unit (not shown), and the antenna pictogram corresponding to the time (9:30) and the electric field intensity is displayed. Although not shown in the figure, an icon indicating the setting state of the device or an incoming mail is displayed in the left margin of the time display.

FIG. 3B shows a display screen of the sub-display 18 in a standby state. The display screen shown in FIG. 3A shows that a voice call has been received at 10:00. , The display state when no response is made. After stopping the ringer, the control unit 20 displays that there is an incoming call, together with the stored incoming time and the number of incoming calls.

FIG. 3C shows the display screen of the sub-display 18 in the standby state. From the display screen of FIG. 3B, even though an electronic mail arrives at 10:30, Shows the display state when the e-mail is not confirmed. After generating the beep sound, the control unit 20 displays that the electronic mail has arrived, together with the stored incoming time and the number of incoming calls.

FIG. 3D shows the display screen of the sub-display 18 in the standby state. The display screen shown in FIG. 3C is displayed even though a text message arrives at 11:00. , The display state when the text message is not confirmed. After generating the beep sound, the control unit 20 displays that the text message has been received, together with the stored incoming time and number of received calls.

FIG. 3E shows the display screen of the sub-display 18 in the standby state. From the display screen of FIG. 3D, although the electronic mail arrives at 11:30, Shows the display state when the e-mail is not confirmed. After generating the beep sound, the control unit 20 displays that the electronic mail has arrived, together with the stored incoming time and the number of incoming calls. In this case, it indicates that the number of incoming e-mails is two. The control unit 20 stores information indicating that there is each incoming call in the order of (B) to (E) and the detailed information is not displayed (hereinafter, also referred to as “detail non-display information”) in the RAM 20b.
I remember.

Next, when the user operates the side OK key 12 or the side scroll key 13 in the display state of FIG. 3E (the backlight is turned off), the control unit 20 stores the detailed information in the RAM 20b. It is determined whether display information is stored. In this case, since the detailed non-display information is stored, the control unit 20 selects and turns on the second light source that emits red light as the light source of the backlight. On the other hand, in the display state of FIG. 3A (the backlight is turned off), since the detailed non-display information is not stored, the control unit 20 sets the first light source that emits green light as the light source of the backlight. Select and light up.

FIG. 4 is a schematic diagram showing the display state of the main display and the sub-display.

When the control unit 20 stops displaying the sub-display 18, the detailed information of the unread e-mail is displayed on the main display 2 because the incoming display of the e-mail has been performed on the sub-display 18 (FIG. 4 ( A)). Further, since the control unit 20 displays the detailed information of the e-mail, (C) and (E) regarding the e-mail out of the order of arrival (B) to (E) stored in the RAM 20b.
Erase the information of.

FIG. 4A shows an example of unread electronic mail.
No. 001 arrived from Taro Yamada at 10:30 on September 1 with an email with the subject “What happened before” and 002 jiro @ aaa. bbb. co. jp from September 1
This indicates that there is an e-mail with the subject “Conference held” arrived at 1:30 minutes. Note that the number 001 is surrounded by a rectangular frame, but this is simply a representation of the highlighted display, and indicates that the number 001 is selected. In this state, when the menu / OK key 6 is pressed, the contents of the e-mail No. 001 are displayed on the main display 2, and when the up / down key of the 4-contact key 4 is operated, another e-mail can be selected. it can. The upper left icon indicates the remaining battery level.

When the user closes the foldable communication terminal device 1 after displaying the state shown in FIG. 1C), the main display 2 is turned off, and the RAM is turned off.
Of the incoming order (B) and (D) stored in 20b, the later (D) is selected, and it is displayed that a text message has been received at 11:00 (see FIG. 4 (B)). ). This display has the same display contents as FIG. 3 (D).

When the user operates the side OK key 12 or the side scroll key 13 in the display state of FIG. 4B (the backlight is turned off), the controller 20
Determines whether the detailed non-display information is stored in the RAM 20b. In this case, since the detailed non-display information is stored, the control unit 20 selects and turns on the second light source that emits red light as the light source of the backlight.

Next, when the user opens the foldable communication terminal device 1 in the display state of FIG. 4B, the control unit 20
The open state (ie, FIG.
(A) or (B)), the display on the sub-display 18 is stopped.

FIG. 5 is a schematic diagram showing the display state of the main display and the sub-display.

When the control unit 20 stops displaying the sub-display 18, the main display 2 displays the incoming text message on the sub-display 18.
The incoming call history information of the text message is displayed on the
(A)). Further, since the control unit 20 displays the incoming history information of the text message, the control unit 20 deletes the information (D) on the text message from the incoming order (B) and (D) stored in the RAM 20b.

FIG. 5A shows that unread text messages arrived at 11:00 on September 1 and that six read text messages exist. Note that the top unread text message is surrounded by a rectangular frame, which expresses the fact that it is highlighted and indicates that it is selected. When the menu / OK key 6 is pressed in this state, the contents of the e-mail No. 001 are displayed on the main display 2.

After displaying the state shown in FIG. 5 (A) or the contents of the text message, the user operates the foldable communication terminal 1
Is closed by the open / close detection switch 19, the control unit 20 turns off the main display 2 and recognizes that the main display 2 is in the closed state (ie, the state shown in FIG. 1C).
According to the incoming call sequence (B) stored solely in M20b, time 1
It is displayed that there is an incoming voice call at 0:00 (see FIG. 5B). This display has the same display contents as FIG. 3 (B).

When the user operates the side OK key 12 or the side scroll key 13 in the display state shown in FIG. 5B (the backlight is turned off),
Determines whether the detailed non-display information is stored in the RAM 20b. In this case, since the detailed non-display information is stored, the control unit 20 selects and turns on the second light source that emits red light as the light source of the backlight.

Next, when the user opens the foldable communication terminal device 1 in the display state of FIG. 5B, the control unit 20
The open state (ie, FIG.
(A) or (B)), the display on the sub-display 18 is stopped.

FIG. 6 is a schematic diagram showing the display state of the main display and the sub-display.

When the display on the sub-display 18 is stopped, the control unit 20 displays the incoming call information of the voice call on the sub-display 18 and displays the incoming call history information of the voice call on the main display 2 (FIG. 6 (A)). )reference). In addition, since the control unit 20 displays the incoming call history information of the voice call, the control unit 20 deletes the information of the incoming order (B) stored in the RAM 20b.

FIG. 6A shows that, as the incoming call history of the voice call, a call was made to the number 01 from the other party number 0912345678 at 10:00 on September 1, but the call was not answered. Also, before the number 01, voice calls of the numbers 02, 03, and 04 were made at the respective times, indicating that the call was answered or absent. Note that the top unread text message is surrounded by a rectangular frame, which expresses the fact that it is highlighted and indicates that it is selected. In this state, if the start key 14 is pressed, a call can be made to the displayed party.

When the user closes the foldable communication terminal 1 in the state shown in FIG. 6A, the control unit 20 causes the open / close detection switch 19 to close the state (ie, the state shown in FIG. 1C).
When the main display 2 is turned off and the detailed non-display information is not stored in the RAM 20b, the display returns to the normal standby state (FIG. 6).
(B)). This display has the same display contents as FIG.

When the user operates the side OK key 12 or the side scroll key 13 in the display state shown in FIG. 6B (the backlight is turned off),
Determines whether the detailed non-display information is stored in the RAM 20b. In this case, since the detailed non-display information is not stored, the control unit 20 selects and turns on the first light source that emits green light as the light source of the backlight.

FIG. 7 is a flowchart showing a selection processing subroutine of the emission color selection method according to the present invention.

When the user operates the side OK key 12 or the side scroll key 13 with the foldable communication terminal device 1 closed, the control unit 20 turns on the backlight of the sub-display 18. Then, this selection processing subroutine is called.

The control unit 20 determines in step 100 whether or not there is an unanswered incoming call.
In step 01, the first light source, green, is selected and lit, and the process ends. On the other hand, if there is no unanswered call, in step 102, the second light source, red, is selected and lit, and the process ends.

[0069]

As described above, according to the foldable communication terminal apparatus and the emission color selection method according to the present invention, the lighting operation of the sub-display is performed with the foldable communication terminal apparatus closed. When the display content is the standby screen, the first light source (for example, green) is selected and turned on, but when the unanswered incoming call is displayed, the second light source (for example, a color different from the first light source) is displayed. (Red) is selected and turned on, so that the user can immediately recognize the presence / absence of an unanswered call only by checking the lighted color.

[Brief description of the drawings]

FIG. 1 is an external view of a foldable communication terminal device according to the present invention.

FIG. 2 is a block diagram showing a configuration of a foldable communication terminal device according to the present invention.

FIG. 3 is a transition diagram illustrating a change in a display state of a sub-display.

FIG. 4 is a schematic diagram showing a display state of a main display and a sub-display.

FIG. 5 is a schematic diagram showing a display state of a main display and a sub-display.

FIG. 6 is a schematic diagram showing a display state of a main display and a sub-display.

FIG. 7 is a flowchart illustrating a selection processing subroutine of a luminescent color selection method according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Foldable communication terminal device main body 2 Main display 15 Antenna 18 Sub-display 20 Control unit 20a ROM 20b RAM 21 Transmission / reception unit 22 Modulation / demodulation unit 23 Operation unit 24 Voice processing unit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5K027 AA11 BB01 FF01 FF02 FF22 HH00 MM15 MM17 5K067 AA34 BB04 DD53 FF06 FF23 FF24 FF27 FF31

Claims (2)

[Claims] A foldable communication terminal device for turning on a backlight to distinguish a standby display and an unanswered incoming call display on a sub-display in a folded state, wherein the standby display and the unanswered incoming call display are provided. And a display change / light switch for turning on the backlight, a judging means for judging whether there is an unanswered incoming call to be displayed, and a light source of the backlight to be turned on in response to the display change / light switch. Selecting means for selecting a first light source that emits light of a first color when the determining means determines that there is no unanswered incoming call. If it is determined that there is an incoming call, a second light source that emits light of another color is selected. 2. A method for selecting an emission color of a foldable communication terminal device in which a standby display and an unanswered incoming call display are distinguished on a sub-display in a folded state by turning on a backlight. A first step of switching the non-answering incoming call display and turning on a backlight, a second step of determining whether there is an unanswered incoming call to be displayed, and a light source of a backlight to be turned on in response to the first step. A third step of emitting light in a first color when the second step determines that there is no unanswered incoming call.
Selecting a light source, and if the second step determines that there is an unanswered call, includes a fourth step of selecting a second light source that emits light of another color. Method.