Hand-held bill writing instrument
A hand-held, interface technology, applied in instruments, special data processing applications, data acquisition and recording, etc., can solve problems affecting transaction share, affecting transaction success rate, economic loss, etc., to save management costs, intuitive and convenient settings, The effect of reducing labor intensity
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Embodiment 1
[0013] Embodiment 1: as figure 2 and image 3 As shown, the hand-held bill copying instrument includes a processor 1, a clock chip 2, a storage chip 3, a communication port chip 4, a power management chip 5, an LCD display interface 6, a keyboard processing interface 7, a printer interface 8, and peripheral appliances 9 , printed circuit board 10, special keyboard 11, micro-printer 12, display 16 and USB interface 15, clock chip 2, storage chip 3, communication port chip 4, power management chip 5, LCD display interface 6, keyboard processing interface 7, Printer interface 8, peripheral electric appliance 9 and USB interface 15 are arranged on the printed circuit board 10 and are connected with processor 1 by printed circuit, special-purpose keyboard 11 is connected with keyboard processing interface 7, micro-printer 12 is connected with printer interface 8, display 16 and LCD display interface 6 connection, such as figure 1 As shown, the special keyboard 11 includes a gene...
Embodiment 2
[0014] Embodiment 2: the concrete situation of each composition hardware of hand-held bill copying instrument is: processor 1 is the processing and the control center of bill copying instrument, and all following interfaces are all around processor, complete for display, keyboard, communication, storage and For the processing of the clock, Chinese character input method, etc., a processor with low power consumption is selected, and the power supply is a dry battery, and a rechargeable battery can be used. Clock chip 2 requires date display and transaction time. In consideration of power consumption, cost and saving peripheral input / exit lines, a serial port clock chip is selected. This chip should have perpetual calendar information of day, month, year and hour, minute, and second. Memory chip 3 selects the EEPROM memory chip that power failure does not lose information for use, and the size range of internal memory is selected as 128k bytes (can be expanded if necessary), and ...
Embodiment 3
[0015] Embodiment 3: The specific circumstances of each component software of the hand-held document copying instrument are:
[0016] 1. Overall monitoring software: complete and realize the combination, management and monitoring of the functions of the whole system.
[0017] 2. Clock module: provide the information of the clock chip to the monitoring software
[0018] 3. Storage module: save the processed data into it, and read data from it for display, printing and communication.
[0019] 4. Communication module: realize the communication between the hand-held document copying instrument and the host computer or printer
[0020] 5. LCD display module: This is the part with the largest processing capacity of the whole device. It not only needs to realize the friendly display of the LCD display screen, but also cooperates with the keyboard to do a good job of inputting Chinese characters and other information.
[0021] 6. Keyboard processing module: simulate the keyboard of ...
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