CN2593486Y

CN2593486Y - Handwriting-input dual-display-screen mobile phone

Info

Publication number: CN2593486Y
Application number: CN 02226826
Authority: CN
Inventors: 孙涛; 宗贵升
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-11
Filing date: 2002-04-11
Publication date: 2003-12-17
Anticipated expiration: 2012-04-11

Abstract

The utility model provides a double-screen mobile phone with the functions of handwriting input and an electronic note book, which is used for solving the problems that information is difficult to input by a mobile phone keyboard, a telephone number is slow to look for and the storage capacity is small. The double-screen mobile phone is composed of a mobile phone main body and a turnover display screen. The double-screen mobile phone is characterized in that the turnover display screen is composed of a PDA module 1 which comprises an LCD display and touch screen 6, ROM7, MCU8, FLASH9, RAM10, LDO 11 (a voltage-stabilizing output IC), a communication interface 4 and a communication connecting wire 12, wherein the PDA module 1 works independently, exchanges data with the mobile phone main body 3 through the communication interface 4, and uses one battery 5 with the mobile phone main body. The utility model does not add the weight of the mobile phone but adds the function of the mobile phone, which brings convenience to users.

Description

Handwriting input double-display screen mobile phone

Technical field

The utility model relates to electronics and IT products, is specifically related to a kind of handwriting input double-display screen mobile phone.

Technical background

Dual-band Handy Phone on the society is directly to embed a LCD LCDs in the outside of renovating at present, and when renovating when closing, the information of the former display screen of mobile phone can directly be presented on the LCD of outer turning cover.But with cell phone keyboard input information difficulty, telephone number searching is slow, and storage capacity is little etc., and problem never is resolved.

Summary of the invention

The technical problems to be solved in the utility model is how to avoid above-mentioned weak point of the prior art, provides a kind of volume little, in light weight, directly handwriting input, the Dual-band Handy Phone scheme of fusion electronic notebook function.

The above-mentioned technical problem of the utility model solves like this, construct a kind of handwriting input double-display screen mobile phone, by the mobile phone main body with renovate display screen and constitute, renovate display screen and comprise PDA module 1, this PDA module 1 comprises LCDs 6, ROM7, MCU8, FLASH9, RAM10, Voltage stabilizing module 11, communication interface 4, the communication link wiring 12 with touch sense function, described PDA module 1 is working alone simultaneously, carry out exchanges data with mobile phone main body 3 by communication interface 4, and with the shared supplying cell 5 of mobile phone main body.The supplying cell 5 of mobile phone main body 3 carries out the power supply step-down through LDO11 to be handled, and is 1 power supply of PDA module.Communication interface 4 is built in MCU8, and this communication interface can be a UART interface 13, also can be SPI interface 14.UART interface 13 is communicated by letter with mobile phone main body 3 by serial communication connecting line 15, and SPI interface 14 is communicated by letter with mobile phone main body 3 by SPI communication link wiring 16.Serial communication connecting line 15 is made up of three lines, and signal sends line (TX), and signal receives line (RX) and ground wire (GND).SPI communication link wiring 16 is made up of six roots of sensation line: data inputs (DI), data outputs (DO), clock signal (CLK), chip selection signal (CS), interrupt signal (IRQ) and ground wire (GND).

The utility model has been compared following advantage with existing Dual-band Handy Phone: (1) has strengthened information input, arrangement and memory function; (2) can carry out handwriting input; (3) may command mobile phone transmitting-receiving short message, fax, Email or surf the web, download message; (4) has electronic notebook function (as telephone directory, memorandum, calculator etc.).(5) can control mobile phone and extraneous exchange message.

Description of drawings

Fig. 1 is the schematic appearance of the utility model handwriting input double-display screen mobile phone;

Fig. 2 is the internal structure block diagram of the utility model handwriting input double-display screen mobile phone;

Fig. 3 is the circuit connection diagram of the utility model handwriting input double-display screen mobile phone.

Embodiment

As shown in the figure, in the handwriting input double-display screen mobile phone that the utility model provides, PDA module 1 is embedded in the cellular phone flip 2, the communication interface 4 on the PDA module 1 is connected with the communication interface of mobile phone main body 3; LDO11 on the PDA module 1 is connected with mobile phone main body supplying cell 5 by power supply step-down processing.UART interface 13 is that MCU8 is built-in, and serial communication connecting line 15 is made up of three lines, and signal sends line (TX), and signal receives line (RX) and ground wire (GND).SPI interface 14 also is built in MCU8, is made up of six roots of sensation line: Data In-Line (DI), DOL Data Output Line (DO), clock cable (CLK), chip selection signal line (CS), interrupt signal line (IRQ) and ground wire (GND).

The utility model in use with regular handset and indistinction, open to renovate and can dial, receive calls, use the original function of cell phone keyboard.When the needs input information, can directly use pen handwriting input on the LCD6 on the PDA1, and information be shown by master control chip MCU8 control LCD6.When needs used GB2312 Chinese character base, english Chinese dictionary, handwriting recognition storehouse, available pen was clicked corresponding option, by MCU8 reading of data from ROM7.During when needs transmitting-receivings and storage short message, Email with from the Internet download information, can drive FLASH9 and RAM10 and by being built in communication interface 4 and mobile phone 3 exchange messages among the MCU6 by MCU8.

Claims

1, a kind of handwriting input double-display screen mobile phone, by the mobile phone main body with renovate display screen and constitute, it is characterized in that: renovate display screen and comprise PDA module (1), this PDA module comprises the LCDs (6) with touch sense function, ROM (7), FLASH (9), RAM (10), communication interface (4), MCU (8) that is connected with above-mentioned various piece and the Voltage stabilizing module LDO (11) that provides voltage stabilizing to export for above-mentioned various piece, described PDA module (1) is simultaneously carried out exchanges data with described mobile phone main body (3) by communication interface (4) working alone, and with the shared supplying cell of described mobile phone main body (3) (5).

2, according to the described handwriting input double-display screen of claim 1 mobile phone, it is characterized in that: the supplying cell (5) of mobile phone main body (3) carries out the power supply step-down through Voltage stabilizing module LDO (11) to be handled, and is various piece power supply in the described PDA module (1).

3, according to claim 1 or 2 described double-display screen mobile phones, it is characterized in that: communication interface (4) is built in MCU (8), and this communication interface (4) is UART interface (13).

4, according to claim 1 or 2 described double-display screen mobile phones, it is characterized in that: communication interface (4) is built in MCU (8), and this communication interface (4) is SPI interface (14).

5, according to the described double-display screen mobile phone of claim 3, it is characterized in that: described UART interface (13) is communicated by letter with mobile phone main body (3) by serial communication connecting line (15), and described serial communication connecting line (15) comprises that signal sends line (TX), signal receives line (RX) and ground wire (GND).

6, according to the described double-display screen mobile phone of claim 4, it is characterized in that: described SPI interface (14) is communicated by letter with mobile phone main body (3) by SPI communication link wiring (16), described communication link wiring (16) is made up of six roots of sensation line, comprise: data inputs (DI), data outputs (DO), clock signal (CLK), chip selection signal (CS), interrupt signal (IRQ) and ground wire (GND).

7, according to the described double-display screen mobile phone of claim 1-6, it is characterized in that: described PDA module also is provided with communication link wiring (12).