JPH08331631A - Portable telephone set - Google Patents

Abstract

PURPOSE: To prevent an LCD display part from getting dirty or damaged concerning the portable telephone set provided with this display part. CONSTITUTION: An LCD display part 11 is provided on the front surface of a main body 1 of the portable telephone set, and this display part 11 is covered with a lid body 14 fitted to the main body 1 of the portable telephone set so as to be turned. In that case, contents displayed in a display area 21 of this LCD display part 11 are watched through a display window 15 formed on the lid body 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile phone.

[0002]

2. Description of the Related Art Conventionally, a portable telephone which transmits and receives a voice signal and the like via a radio telephone line is well known. This type of mobile phone has a key input section composed of push buttons for inputting a telephone number and the like into the main body, and a display section including an LCD for displaying the telephone number and other information input by this key input section. Have

Further, as an example in which a transparent touch panel is used as a key input unit, for example, Japanese Patent Laid-Open No. 1-3
The portable terminal device disclosed in 14462 (HO4M 11/00) is known.

The device disclosed in the above publication is provided with a transparent touch panel on the front surface of the device main body, and is operated by the user pressing the display content displayed on the transparent touch panel with a finger.

Further, an antenna for wireless telephone is mounted on the outer surface of the main body of the terminal device. This antenna is used for transmitting and receiving information, and is otherwise protected by the protective cap.

[0006]

However, in the device disclosed in the above publication, the display portion provided on the front surface of the main body is in an exposed state, so that the display portion can be kept while being carried. It may get dirty or get scratched.

Further, in the standby state of the telephone, although the required display area is not so large, the entire area of the display unit is illuminated, so that useless power is consumed. . In particular, a mobile phone using a secondary battery or the like as a power source may cause a serious problem.

[0008]

Therefore, in the mobile phone of the present invention, an LCD display portion provided on the front surface of the main body and a lid for covering a predetermined area of the display portion are provided, and the lid is opened. In some cases, the entire surface of the display unit can be visually observed, and when the lid is closed, a partial region of the display unit can be visually observed.

Further, a means for illuminating the LCD display section is provided, and the illuminating means can change the illuminated area according to the opening / closing of the lid.

Further, the portable telephone is provided with a facsimile receiving unit for receiving facsimile data, and when the lid is opened, the facsimile data received by the facsimile receiving unit is displayed on the LCD display unit. Configure.

Further, the LCD display section is provided with a digitizer as a key input detecting means for detecting the position of the input key.

[0012]

In the portable telephone of the present invention, since the lid for covering the predetermined area of the display section is provided, it is possible to prevent the display section from being scratched or soiled as much as possible. Further, even when the lid is closed in a standby state of a telephone call, a part of the area can be visually observed by the user.

Further, since the lighting means is controlled according to the opening / closing of the lid, it is possible to suppress unnecessary power consumption.

Further, since the portable telephone is equipped with a facsimile receiving section for receiving facsimile data,
It can also be used as a mobile phone with a facsimile function.

Further, by providing the display section with a digitizer as a key input detecting means for detecting the position of the input key, a ten key or the like for inputting a telephone number can be set in the display section.

[0016]

1 is an external perspective view of a mobile phone according to a first embodiment of the present invention. The figure a shows the closed state, and the figure b shows the opened state.

In FIG. 1, reference numeral 11 denotes an LCD display unit with a digitizer provided on the front surface of the main body 1, on which various input keys and transmitted / received facsimile data are displayed. Again 1
Reference numeral 3 denotes a facsimile / telephone switching button provided near the display unit 11 for switching between a facsimile function and a telephone function. Further, a microphone 60 for inputting a voice to be transmitted and a speaker 70 for reproducing the received voice are provided on the side surface of the main body 1.

Reference numeral 14 denotes a lid body rotatably attached to the main body 1, and is configured to cover the display unit 11 when the lid is closed. Even when the lid is closed, the telephone number and the display required for waiting or talking can be viewed through the display window 15.

FIG. 2 shows a display screen displayed on the LCD display unit with a digitizer. FIG. 2A is a display screen when the telephone function is used, and FIG. 2B is a display screen when the facsimile function is used.

At the time of displaying the telephone function shown in FIG. 3A, a display area 21 for displaying a telephone number of a call originated or received and information indicating a transmission / reception state, a ten key 22 for inputting a telephone number, a call key 23, an end key 24 for ending a call, a menu key 25, a transceiver key 26 that is operated when wirelessly communicating with a terminal of the same standard, when calling a pre-registered telephone number and when registering a telephone number Keys such as a telephone book key 27 and a help key 28 are displayed on the digitizer-equipped LCD display section. Then, by operating the key, the digitizer detects the key operation position and each function is realized.

The display of the facsimile function shown in FIG. 2B is displayed by operating the above-mentioned facsimile / telephone switching button 13 to select the facsimile.
Then, on the display screen, a save key 2a for storing the received facsimile data in the internal memory, a display magnification change key 2b for setting enlargement / reduction, returning the display data to the previous state, and displaying the displayed facsimile information. A clear key 2c for clearing a key, a mode setting key 2d for setting the function of an input pen (not shown) or the like to either the input mode or the erase mode, a page for displaying the displayed facsimile information, and a page for page switching There is a key 2e and a facsimile display 2f showing the facsimile mode.

Further, the facsimile information transmitted or received is displayed on this facsimile display screen,
It is displayed so as to be superimposed on the various key displays described above.
It should be noted that the display of the numeric keypad 22 and the like which are superimposed is erased,
It is also possible to display only facsimile information.

FIG. 3 shows an LCD display unit 11 with a digitizer.
It is a figure which shows an example of the illuminating device which illuminates. The lighting device in FIG. 3 is composed of a flat fluorescent lamp, and three electrodes 32a, 32b, 32c are provided inside a hermetically sealed container 31.
Are arranged in parallel.

The first electrode 32a arranged at one end of the closed container 31 is connected to one terminal of the inverter 33a, and the other terminal of the inverter 33a is arranged in the middle of the closed container 31. It is connected to the second electrode 32b.

The second electrode 32b is connected to the inverter 33.
It is also connected to one terminal of b, and the negative potential of the inverter 33a and the positive potential of the inverter 33b have the same potential. The other terminal of the inverter 33b is connected to the third electrode 32c arranged at the other end of the closed container 31.

Each electrode of the illuminator and L with a digitizer
The positional relationship with each display of the CD display section will be briefly described. The display area 21 is located between the first electrode 32a and the second electrode 32b.

A control unit 34 controls switches 35a and 35b arranged in a power supply path to the inverters 33a and 33b according to opening and closing of the lid. Reference numeral 36 denotes a lid opening / closing sensor, which detects the opening / closing state of the lid. For example, the movement of the lid to the closed position is detected by a mechanical switch, or a light receiving unit is provided near the display unit of the telephone body,
The light receiving unit is configured by an optical switch or the like that controls depending on whether or not external light is detected.

Next, the operation of the illumination mechanism according to the opening / closing of the lid will be described. In the figure, the lid opening / closing sensor 36
Holds one signal out of the two signals representing the two states of the lid body 14 (open state / closed state). The control unit 34 constantly monitors the state of the lid opening / closing sensor 36 under a certain fixed period. For example, if the lid is open now, the lid opening / closing sensor 36 outputs an H level (or L level) signal, and the control unit 34 causes the H level (or L level).
Based on the level signal, it is determined that the lid is open, and the switches 35a and 35b are turned on so that power is supplied to both of the two inverters 33a and 33b.

Then, after the user finishes some operation,
When the lid 14 is closed, the output of the lid opening / closing sensor 36 changes to an L level (or H level) signal. Control unit 34
Detects a change in the output of the lid opening / closing sensor 36, determines that it is in the “closed state”, and turns off the switch 35b connecting the power supply circuit 30 and the inverter 33b. As a result, when the lid is closed, power supply to the inverter 33b is stopped, and the second electrode 32b and the third electrode 32c are stopped.
No electric discharge will occur in between.

Therefore, the first electrode 32a and the second electrode 32b
The electric discharge is performed only between and, and only the vicinity of the display area 21 is illuminated.

When the user opens the lid 14 again, the control section 3 is brought into the initial state by the procedure described above.
4 controls a switch, discharge is performed by the whole flat fluorescent lamp, and the whole digitizer-equipped LCD display unit 11 is illuminated.

FIG. 4 is an external perspective view of a mobile phone according to the second embodiment of the present invention, in which the LCD is when the lid 14 is closed.
The display area 11 is configured to cover an area other than the display area 21.

[0033]

In the portable telephone of the present invention, the display portion is protected by closing the lid provided on the main body, and moreover, even when the lid is closed, a part of the area is visible. Therefore, it is easy to use.

Further, by controlling the illuminating means according to the opening / closing of the lid, it is possible to prevent unnecessary power consumption such as illuminating the closed display portion, and prolong the life of the battery.

In addition, since the received facsimile data can be displayed on the fully illuminated LCD display with a digitizer when the lid is opened, it is convenient.

Further, since the digitizer is provided on the display unit as a key input detecting means for detecting the input of various keys, a ten-key pad or the like can be arranged in the display unit. It can be installed in a large size, and facsimile data etc. can be easily viewed.

[Brief description of drawings]

FIG. 1 is an external perspective view of a mobile phone according to a first embodiment of the present invention.

FIG. 2 shows a display screen displayed on the LCD display unit of the present invention.

FIG. 3 is a diagram showing an example of a lighting device of the present invention.

FIG. 4 is an external perspective view of a mobile phone according to a second embodiment of the present invention.

[Explanation of symbols]

1 Main Body 11 LCD Display with Digitizer 13 Facsimile / Telephone Change Button 14 Lid 15 Display Window 21 Display Area 31 Airtight Container 32a, 32b, 32c Electrodes 33a, 33b Inverter 34 Control 35a, 35b Switch 36 Lid Open / Close Sensor

Claims (4)

[Claims] 1. An LCD display unit provided on the front of the main body,
A mobile phone, comprising: a lid for covering a predetermined area of the LCD display section, so that the entire surface of the display section can be seen when the lid is opened and a part of the display section can be seen when the lid is closed. . 2. The mobile phone according to claim 1, further comprising means for illuminating the LCD display unit, wherein the illuminating means changes an illuminated area according to opening and closing of the lid. 3. The portable telephone has a facsimile receiving section for receiving facsimile data, and when the lid is opened, the facsimile data received by the facsimile receiving section is displayed on the LCD display section. The mobile phone according to claim 1 or 2. 4. The mobile phone according to claim 1, 2, or 3, wherein the LCD display unit has a digitizer serving as a key input detection unit for detecting a position of an input key.