Method for making operating system programme code compressed store in hand-held electronic device
An operating system and program code technology, applied in the field of read-only memory, can solve the problems of slow startup and computing speed, bulky Windows, weak compatibility of multimedia functions and information, etc., and achieve the effect of increasing the amount of function expansion and using a large space
Inactive Publication Date: 2005-07-20
MITAC COMP (SHUN DE) LTD +1
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[0004] However, due to the streamlined design and emphasis on efficiency, PalmOS is weaker than other OSes in terms of multimedia functions and information compatibility.
WinCE launched by Microsoft is an operating system specially designed for PDA products. Its biggest feature is the reduced version of the desktop Windows operating system. It can have absolute compatibility with existing PCs in data transmission, and in order to enhance competitiveness In particular, Microsoft added simple versions of Office Word and Office Excel to the WinCE operating system so that users can smoothly extend the usage habits on the PC to WinCE. However, WinCE not only inherits the advantages of the Windows operating system, but also The shortcomings of Windows, which are bulky (8~12MB of hardware space is often required), booting and computing speed, are reflected on the PDA. Under the negative shadow of this inherited operating system, memory (ROM) or fast Flash read-only memory (Flash ROM) usually has a greatly reduced available space after storage. Even after the advent of smaller and larger-capacity memory in the future, the large size of its operating system will easily cause unavoidable troubles.
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[0015] like figure 1 Shown is the flow chart of the method for compressing and storing the operating system program code in the memory of the handheld electronic device according to the present invention. Its construction requires firstly using the PC host to compress the operating system program code to be loaded into the handheld electronic device. In terms of the hardware architecture, that is, first use the PC host to read the operating system program code (step 100), open and read the file data to be loaded into the handheld electronic device, then execute the compression program for the operating system program code, and generate the operating system Program set (step 200), for its compression program, such as figure 2 As shown, a character occurrence table is first established (step 210), which is provided by the system operator and stored in the memory of the host computer and the handheld electronic device individually, so as to provide the basis for encoding and dec...
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The invention relates to a method to compress and store operation system program code into hand-held electric device. It uses PC to compress the operation system program code of the hand-held electric device and write into ROM. Thus, the invention would save the storage place taken up by the operation system program code in the ROM. It includes the following steps: first using PC to read program code; second, executing compressing program with the program code and creating compressed program code; finally, transmitting and writing the compressed program code into ROM of electric device through transmitting interface.
Description
technical field [0001] The invention relates to a method for storing operating system program codes in a hand-held electronic device, in particular to a method for compressing and storing the operating system program codes in a read-only memory in the hand-held electronic device by using a PC host terminal. Background technique [0002] PDA (Personal Digital Assistant) is an ultra-light handheld personal computer, which can provide personal organization functions (calendar, notepad, database, calculator, etc.) and communication functions, and more advanced models also provide Multimedia functionality. [0003] The reason why the personal digital assistant can be welcomed by the market must be attributed to several important background factors: the change of the operating system and the popularization of network transmission technology. The popularization of the Internet allows users to easily transfer files and information, thus strengthening the importance of digitization ...
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IPC IPC(8): G06F9/445
Inventor 曾钦煌
Owner MITAC COMP (SHUN DE) LTD