JP2009027713A - Portable telephone apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable telephone apparatus in which the operating time of a built-in battery is made longer by turning on only the backlight of a required portion in accordance with an application to be operated. <P>SOLUTION: When the application is operated, a control section indexes a table specifying validness and invalidness of an operating key corresponding to the application in a memory (step 31). In a case where it is detected that any one of operating sections is operated (step 32), the control section starts to turn on the backlight (step 33). Before the lapse of a turning-on time set by the timer of the control section, operation is detected again and whether it is a valid key or not is decided (step 34). When it is the valid key, a first backlight for illuminating the most neighboring part of the valid key and a second back light for illuminating a display section are continuously turned on until the lapse of the turning-on time set by the timer (step 35). After the lapse of the turning-on time set by the timer, however, the backlights are turned off (step 36). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention has a backlight function for illuminating a numeric keypad and function operation keys of an operation unit and a display unit, and the function operation keys include at least navigation keys for performing up / down or left / right direction scrolling and selection determination operations. In particular, with respect to the cellular phone device in which the lit backlight is turned off after a lapse of a certain time after the numeric keypad input or the key operation of the function operation is finished, the necessary part according to the application to be operated is particularly The operation time of the built-in battery is increased by turning on only the backlight.

  Conventionally, a cellular phone device having a backlight function and reducing power consumption by the backlight as much as possible is known from Japanese Patent Application Laid-Open Nos. 6-128644 and 11-284712.

  For example, in Japanese Patent Laid-Open No. 6-208644, a plurality of light emitting diodes constituting a backlight are provided, and the power consumption of the battery is reduced by a power saving mode in which half of the light emitting diodes are turned off in addition to the full lighting mode.

  In Japanese Patent Laid-Open No. 11-284712, a backlight key for turning on / off the backlight is provided in the casing so that the backlight can be turned off by turning off the backlight key. It suppresses.

  However, Japanese Patent Laid-Open No. 6120864 has a problem that the owner has to set and input the power-saving mode condition for turning off the full lighting mode of the light-emitting diode by half. In Japanese Patent Laid-Open No. 11-284712, a backlight key for turning on / off the backlight is provided in the casing, so that the backlight key has to be manually operated for backlight control. There was complexity.

  The present invention has been made to solve such a problem, and only the backlight of a necessary part is turned on according to an application to be operated such as a non-voice information communication mode, a voice information communication mode, or a game. Thus, an object of the present invention is to provide a mobile phone device in which the operation time of the built-in battery is extended.

  The invention according to claim 1 of the present invention has a backlight function for illuminating the numeric keys and function operation keys of the operation unit and the display unit, and the function operation keys include at least up / down or left / right direction scroll and selection determination. An application to be operated in a mobile phone device that includes a navigation key for operation, and that is turned off after a predetermined time has elapsed after the numeric keypad input or function operation key operation is completed. Correspondingly, a valid key and an invalid key are assigned to the navigation key and the numeric keypad, and when the valid key is operated, a first backlight and a display unit that illuminate the nearest part of the valid key Only the second backlight that illuminates the light is turned on. With this configuration, the operation time of the built-in battery can be extended.

  According to a second aspect of the present invention, a key for scrolling among the navigation keys and a plurality of the ten keys used for dialing are allocated as effective keys corresponding to the application. Mobile phone device. With this configuration, the operation time of the built-in battery can be extended because the backlight is turned on in response to the operation of the effective key.

  According to a third aspect of the present invention, a game is provided as the application, and the navigation keys and a plurality of numeric keys used for dialing are assigned as effective keys according to the contents of the game. Mobile phone device. With this configuration, a part of the numeric keypad operates as an effective key in the game operation, and the backlight is turned on in response to the operation of the effective key, so that the operation time of the built-in battery can be extended.

  The invention according to claim 4 has a backlight function for illuminating the numeric keypad and function operation keys of the operation unit and the display unit, and the function operation keys perform at least up / down or left / right direction scrolling and selection determination operations. In a non-voice information communication mode in a cellular phone device that includes a navigation key to be performed, and after the key operation for numeric key input or function operation is finished, the lit backlight is turned off after a predetermined time has elapsed. When the application to be operated is a site search and the user operates a scroll key in the navigation key, only the second backlight that illuminates the display unit is turned on. This is a telephone device. With this configuration, when only the direction scroll of the navigation key is operated, only the backlight of the display unit is turned on, so that the operation time of the built-in battery can be extended.

  The invention according to claim 5 has a backlight function for illuminating the numeric keypad and function operation key of the operation unit and the display unit, and the function operation key performs at least up / down or left / right direction scrolling and selection determination operations. In order to correspond to the application to be operated in the cellular phone device in which the lit backlight is turned off after a lapse of a certain time after the key operation for numeric key input or function operation is finished. A table for pre-assigning valid keys and invalid keys to the navigation keys and the numeric keys, and a valid / invalid key setting operation unit for indexing and setting the table is provided in the key operation unit. By operating the valid / invalid key setting operation section, the valid key and invalid key are assigned in advance and operated. Thus, when the effective key is operated, only the first backlight for illuminating the nearest part of the effective key and the second backlight for illuminating the display unit are turned on. Mobile phone device. With this configuration, the operation time of the built-in battery can be extended.

  According to a sixth aspect of the present invention, there is provided the mobile phone device according to the first or fifth aspect, wherein the application is an application that operates in a non-voice information communication mode. With this configuration, the operation time of the built-in battery can be extended because the backlight is turned on in response to the operation of the effective key in the application in the non-voice information communication mode.

  The invention described in claim 7 has a backlight function for illuminating the numeric keypad and function operation key of the operation unit and the display unit, and the function operation key performs at least up / down or left / right direction scrolling and selection determination operations. In a cellular phone device that includes a navigation key to be performed and after the numeric keypad input or function operation key operation is finished, the lit backlight is turned off after a predetermined time has elapsed, the numeric keypad or function operation key Is operated, it is determined whether the key operation is an effective key or an invalid key. If it is determined that the key operation is an effective key, a first backlight for illuminating the nearest part of the effective key and 2. The mobile phone device according to claim 1, wherein only the second backlight that illuminates the display unit is turned on. With this configuration, the operation time of the built-in battery can be extended.

  The invention according to claim 1 of the present invention has a backlight function for illuminating the display unit, the numeric keypad of the operation unit, and the function operation key. A mobile phone device that includes a navigation key for performing direction scrolling and selection determination, and that turns on the lit backlight after a predetermined time has elapsed after the key operation for numeric keypad input or function operation is completed. If the effective key and the invalid key are assigned to the navigation key and the numeric keypad corresponding to an application that operates in the non-voice information communication mode, and the effective key is operated, Only the first backlight that illuminates the display and the second backlight that illuminates the display unit are turned on, and the invalidity The first backlight and backlight for illuminating the display portion for illuminating a nearest neighbor of the over is obtained by the mobile telephone apparatus is characterized in that so as not to light up. With this configuration, there is an effect that the operation time of the built-in battery can be extended.

  According to a second aspect of the present invention, as an effective key corresponding to the application, a key for scrolling up and down and left and right in the navigation key and a plurality of the numeric keys used for dialing are allocated. The cellular phone device according to claim 1 is provided. With this configuration, since the backlight is turned on in response to the operation of the effective key, the operation time of the built-in battery can be extended.

  According to a third aspect of the present invention, a game is provided as the application, and the navigation keys and a plurality of numeric keys used for dialing are assigned as effective keys according to the contents of the game. Mobile phone device. With this configuration, part of the numeric keypad operates as a valid key during game operation, and the backlight is turned on in response to the operation of the valid key, so that the operation time of the built-in battery can be extended.

  The invention according to claim 4 has a backlight function for illuminating the numeric keypad and function operation keys of the operation unit and the display unit, and the function operation keys perform at least up / down or left / right direction scrolling and selection determination operations. In a non-voice information communication mode in a cellular phone device that includes a navigation key to be performed, and after the key operation for numeric key input or function operation is finished, the lit backlight is turned off after a predetermined time has elapsed. When the application to be operated is a site search and the user operates a scroll key in the navigation key, only the second backlight that illuminates the display unit is turned on. This is a telephone device. With this configuration, when only the direction scrolling of the navigation key is operated, only the backlight of the display unit is turned on, so that the operation time of the built-in battery can be extended.

  The invention according to claim 5 has a backlight function for illuminating the numeric keypad and function operation key of the operation unit and the display unit, and the function operation key performs at least up / down or left / right direction scrolling and selection determination operations. In order to correspond to the application to be operated in the cellular phone device in which the lit backlight is turned off after a lapse of a certain time after the key operation for numeric key input or function operation is finished. A table for pre-assigning valid keys and invalid keys to the navigation keys and the numeric keys, and a valid / invalid key setting operation unit for indexing and setting the table is provided in the key operation unit. By operating the valid / invalid key setting operation section, the valid key and invalid key are assigned in advance and operated. Thus, when the effective key is operated, only the first backlight for illuminating the nearest part of the effective key and the second backlight for illuminating the display unit are turned on. Mobile phone device. With this configuration, there is an effect that the operation time of the built-in battery can be extended.

  According to a sixth aspect of the present invention, there is provided the mobile phone device according to the first or fifth aspect, wherein the application is an application that operates in a non-voice information communication mode. With this configuration, since the backlight is turned on in response to the operation of the effective key in the application in the non-voice information communication mode, the operation time of the built-in battery can be extended.

  The invention described in claim 7 has a backlight function for illuminating the numeric keypad and function operation key of the operation unit and the display unit, and the function operation key performs at least up / down or left / right direction scrolling and selection determination operations. In a cellular phone device that includes a navigation key to be performed and after the numeric keypad input or function operation key operation is finished, the lit backlight is turned off after a predetermined time has elapsed, the numeric keypad or function operation key Is operated, it is determined whether the key operation is an effective key or an invalid key. If it is determined that the key operation is an effective key, a first backlight for illuminating the nearest part of the effective key and 2. The mobile phone device according to claim 1, wherein only the second backlight that illuminates the display unit is turned on. With this configuration, there is an effect that the operation time of the built-in battery can be extended.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
(First embodiment)
FIG. 1 is a schematic diagram showing a structure of a mobile phone according to an embodiment of the present invention, for example, a mobile phone having a non-voice information communication mode (i-mode function). 1, a mobile phone according to an embodiment of the present invention includes an antenna 1, an incoming / charge lamp 2, a receiver 3, a liquid crystal display 4, a left soft key 5 also serving as a telephone directory button, and a call start button. 6, a numeric keypad or dial key 7, an i-warp key 8 capable of displaying a site (program) registered in the non-voice information communication mode (i-mode function), a transmitter 9, an external connection terminal 10, Voice / Manner key 11, Power / End / Response hold key 12, Right soft key 13 that also functions as a redial / clear button, and scroll function can be selected to display in each direction (up / down / left / right). A navigation key 14 for making a selection decision by pressing a button, an earphone microphone terminal 15, and an infrared port 16 are provided. The non-voice information communication mode is an operation mode of an online data service using a digital mobile phone. A site (program) connection service registered in the center, an Internet connection service, a message service, i-mode mail Etc. can be used.

  FIG. 2 shows a circuit block for realizing the cellular phone configured as described above. In FIG. 2, the mobile phone receives a radio wave received by the antenna 20 by a receiving unit (not shown) of the wireless communication unit 21 and transmits received information to the control unit 22. The control unit 22 displays the received information such as the received telephone number on the display unit 23 such as a liquid crystal display device. Further, the control unit 22 converts the received information into voice information and outputs the voice through the speaker (receiver) 25 of the receiver. The transmitter (microphone) 26 receives the user's voice and transmits it to the control unit 22, and wirelessly transmits it to the other party of the call by the transmitting unit (not shown) of the wireless communication unit 21 and the antenna 20. The control unit 22 stores voice information such as the contents of a call during a call in the memory 27 or reads the stored information.

  The numeric keypad operation unit 29 inputs a dial signal or the like to the control unit 22 by operating the numeric keypad, and the function operation key operation unit 28 inputs a navigation key operation to the control unit 22, for example. Note that when the numeric keypad and the function operation key are operated in the call mode, the first backlight 24 and the second backlight 24 ′ are turned on to clarify the key operation. Only the necessary part of the backlight is turned on by the operating application such as the voice information communication mode, so that the operation time of the built-in battery is extended. This will be described in detail later. These circuit blocks are housed in the housing of FIG.

  FIG. 3 is a flowchart in the first embodiment for explaining an operation for controlling turning on / off of the first and second backlights according to an application to be operated. 3 and 2, when the control unit 22 detects that any of the operation units 28 and 29 has been operated in order to operate any application (step 31), the control unit 22 uses the first backlight 24. Then, the lighting of the second backlight 24 'is started (step 32).

Next, the control unit 22 indexes a table defining validity / invalidity of the operation key corresponding to the application in the memory 27 and again operates the operation unit 28 before the lighting time set by the timer of the control unit 22 elapses. , 29 is operated, and the control unit 22 detects whether it is a valid key (step 33).
If it is a valid key, the first backlight 24 that illuminates the nearest part of the valid key and the second backlight 24 ′ that illuminates the display unit until the lighting time set by the timer of the control unit 22 elapses. Is kept lit (step 34). Here, if the valid key is pressed one after another before the time set by the timer elapses, the timer is reset, and the first backlight 24 that illuminates the nearest part of the valid key and the display unit are illuminated. The second backlight 24 'is continuously lit.
However, if the lighting time set by the timer of the control unit 22 has elapsed, the first backlight 24 and the second backlight 24 ′ are turned off (step 35).

  On the other hand, if it is not a valid key in step 33, the first backlight 24 started to be lit in step 32 and even if it is an invalid key until the lighting time set by the timer of the control unit 22 elapses. The second backlight 24 'that illuminates the display unit is kept on (step 36). However, if the lighting time set by the timer of the control unit 22 has elapsed, the first backlight 24 and the second backlight 24 'are turned off (step 37).

  FIG. 4 shows an example of a table that defines the validity / invalidity of the numeric keypad and the navigation key corresponding to the application provided in the memory 27. For example, in the site search application in the non-voice information communication mode (i-mode), the navigation key up / down and left / right direction scrolling is valid, the navigation key selection decision is invalid, and the numeric keypad is invalid. However, invalid characters are also valid when entering characters in the middle of the application. Therefore, in this application, the backlight is not turned on even if the numeric keypad is operated, so that the operation time of the built-in battery can be prevented from decreasing.

  In the game application, the dial keys 2, 4, 6, 8 in the numeric keypad are assigned to the game operation keys, so that they are valid, the other dial keys are invalid, and the function operation keys are valid. Accordingly, even when the dial key in the numeric keypad is operated, only the dial key operation related to the game application is turned on, so that the operation time of the built-in battery can be extended.

  A valid / invalid key setting operation unit for indexing and setting a table in which valid keys and invalid keys are pre-assigned to the navigation key and the numeric keypad corresponding to the application to be operated is provided in the key operation unit. By operating this valid / invalid key setting operation section, valid keys and invalid keys can be assigned and operated in advance.

(Second Embodiment)
Next, the operation of the second embodiment of the present invention will be described with reference to the flowchart of FIG. In the first embodiment, when it is detected that either one of the operation units 28 and 29 is operated, the first backlight 24 and the second backlight 24 ′ are turned on (see FIG. 3, see step 32). In the second embodiment of the present invention, when the operation unit is operated (step 41), it is determined whether the operated key is a valid key or an invalid key (step 42). If it is an effective key, the first backlight 24 that illuminates the nearest part of the effective key and the second backlight 24 ′ that illuminates the display unit are turned on (step 43).

  Thereafter, when the lighting time set in the timer elapses (step 44), the first backlight 24 and the second backlight 24 'are turned off (step 45). If the valid key is pressed one after another before the lighting time set in the timer elapses, the timer is reset and the first backlight 24 and the second backlight 24 ′ are continuously lit. become. When it is determined in step 42 that the key is invalid, the backlight is not turned on.

  Thus, according to the second embodiment, there is an advantage that lighting in a range corresponding to the application can be performed from the operation start time.

  The present invention is configured such that the operation time of the built-in battery is increased by turning on only the backlight of a necessary part in accordance with an application to be operated such as a non-voice information communication mode or a voice information communication mode or a game. This is useful for mobile phone devices and the like.

The front view which shows the structure of the mobile telephone which concerns on embodiment of this invention, The figure which shows the circuit block for implement | achieving the mobile telephone of FIG. The flowchart in 1st Embodiment explaining the operation | movement for controlling lighting / extinguishing of a backlight with the application to operate | move, An example of a table that specifies whether to enable or disable the numeric keypad and navigation key according to the application, It is a flowchart of 2nd Embodiment explaining the operation | movement for controlling lighting / extinction of a backlight with the application to operate | move.

Explanation of symbols

1, 20 Antenna 2 Incoming / Charging lamp 3, 25 Handset 4, 23 Liquid crystal display 5 Left soft key 6 Call start key 7 Numeric keypad 8 i Warp key 9, 26 Transmitter
10 External connection terminal
11 Voice / Manner Key
12 Power / End / Response hold key
13 Right soft key
14 Navigation keys
15 Earphone / microphone jack
16 Infrared port
21 Wireless communication unit
22 Control unit
24 First backlight
24 'Second backlight
27 memory
28 Function operation keys
29 Numeric keypad

Claims (7)

  It has a backlight function to illuminate the numeric keys and function operation keys of the operation unit and the display unit, and the function operation keys include at least navigation keys for scrolling up and down or left and right and selection operation. After a key operation for input or function operation is finished, in a mobile phone device in which the lit backlight is turned off after a predetermined time has elapsed, the navigation key and the numeric keypad are associated with the application to be operated. When a valid key and an invalid key are assigned and the valid key is operated, only the first backlight that illuminates the nearest part of the valid key and the second backlight that illuminates the display unit are turned on. A mobile phone device characterized in that the mobile phone device is made to operate.   2. The cellular phone device according to claim 1, wherein a key for scrolling among the navigation keys and a plurality of numeric keys used for dialing are assigned as valid keys corresponding to the application.   The mobile phone device according to claim 2, wherein a game is provided as the application, and the navigation keys and a plurality of numeric keys used for dialing are assigned as effective keys according to the contents of the game.   It has a backlight function to illuminate the numeric keys and function operation keys of the operation unit and the display unit, and the function operation keys include at least navigation keys for scrolling up and down or left and right and selection operation. Site search is an application that operates in the non-voice information communication mode in a mobile phone device in which the lit backlight is turned off after a predetermined time has elapsed after the key operation for input or function operation is completed. A portable telephone device characterized in that only the second backlight that illuminates the display section is turned on when a key for scrolling in the navigation key is operated.   It has a backlight function to illuminate the numeric keys and function operation keys of the operation unit and the display unit, and the function operation keys include at least navigation keys for scrolling up and down or left and right and selection operation. After a key operation for input or function operation is finished, in a mobile phone device in which the lit backlight is turned off after a predetermined time has elapsed, the navigation key and the numeric keypad are associated with the application to be operated. A table for pre-assigning valid keys and invalid keys is provided, and a valid / invalid key setting operation unit for indexing and setting the table is provided in the key operation unit, and the valid / invalid key setting operation unit is operated. By allocating the valid key and invalid key in advance, the valid key is set to operate. When work is the cellular telephone device is characterized in that so as to light up only the second back light for illuminating the most recent first backlight and the display portion for illuminating the adjacent portion of the valid key.   The mobile phone device according to claim 1, wherein the application is an application that operates in a non-voice information communication mode.   It has a backlight function to illuminate the numeric keys and function operation keys of the operation unit and the display unit, and the function operation keys include at least navigation keys for scrolling up and down or left and right and selection operation. When a numeric keypad or a function operation key is operated on a cellular phone device in which the lit backlight is turned off after a lapse of a certain time after input or function operation key operation is completed, It is determined whether the key operation is an effective key or an invalid key. If it is determined that the key operation is an effective key, a first backlight that illuminates the nearest part of the effective key and a second light that illuminates the display unit 2. The mobile phone device according to claim 1, wherein only the backlight is turned on.

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