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    • 7. 发明授权
    • Dot matrix printing device
    • 点阵打印装置
    • US4238806A
    • 1980-12-09
    • US28657
    • 1979-04-10
    • Michele BovioPierangelo Berruti
    • Michele BovioPierangelo Berruti
    • B41J2/505G01D15/10B41J3/00
    • B41J2/505
    • A dot matrix printing device for electronic calculator comprising a plurality of electrically heatable dots of an insulating plate aligned therebetween and spaced according to a constant pitch to print the digits of the calculator amounts. A symbol dot is located adjacently to the terminal digit dot which prints the least significant digit of the amount, aligned with the other dots of the plurality. The symbol dot is spaced from the terminal digit dot by a distance greater than the constant pitch of the other dots and prints the explanatory symbols of the amounts leaving a blank between the digits and the symbols of the amounts.
    • 一种用于电子计算器的点阵打印装置,其包括在其间对准的绝缘板的多个电可加热点,并且根据恒定间距间隔开以打印计算器量的数字。 符号点位于与终端数字点相邻的位置,其打印数量的最低有效数字,与多个的其他点对准。 符号点与终端数字点间隔大于其他点的恒定间距,并打印数字和数字符号之间留下空白的量的说明符号。
    • 8. 发明授权
    • Data recording machine
    • 数据记录机
    • US4493038A
    • 1985-01-08
    • US333937
    • 1981-12-23
    • Michele BovioWalter Gillone
    • Michele BovioWalter Gillone
    • G07G1/00G07G1/12G06F11/00
    • G07G1/12G06Q20/209
    • A cash register with a keyboard (31), journal printer (47) and a check slip printer (32) is controlled by a microprocessor system with a CPU (102), a program ROM (105) and a RAM (106) including various registers for storing running totals of various types. The printer (32) prints till receipts and end-of-day check slips authenticating non-rigged operation of the cash register. Thus, each time such a check slip is printed a fresh bit of an EPROM memory (106) is set from 1 to 0 under control of a register (181) and a pulser circuit (191), the EPROM being fixed non-removably to the machine and shielded aginst UV erasure. The printed check slip includes the serial number thereof as represented by the EPROM contents, a special symbol identifying a non-manipulatable machine and the machine number recorded in a section (161) of the EPROM. In a modified embodiment the EPROM is replaced by a counter, e.g. a mechanical counter, which can only be incremented (and cannot be decremented or zeroized). The counter is incremented each time a check slip is printed and the number in the counter is included in the printout. Check slips with unbroken series of check slip numbers provide evidence of non-rigged operation.
    • 具有键盘(31),日志打印机(47)和支票单打印机(32)的收银机由具有CPU(102),程序ROM(105)和RAM(106)的微处理器系统控制,该系统包括各种 用于存储各种类型的运行总计的寄存器。 打印机(32)打印到收据和结束日期检查单,以验证收款机的非操纵操作。 因此,每当这种检查单打印时,在寄存器(181)和脉冲发生器电路(191)的控制下,EPROM存储器(106)的新位被设置为1到0,EPROM被不可拆卸地固定到 机器和屏蔽aginst UV擦除。 印刷检查单包括由EPROM内容表示的序列号,标识不可操作机器的特殊符号和记录在EPROM的一部分(161)中的机器号码。 在修改的实施例中,EPROM由计数器代替,例如, 机械计数器只能增加(不能递减或归零)。 每次打印支票单时,计数器都会递增,并且计数器中的数字包含在打印输出中。 带有不间断系列检查单号的检查单可提供非操纵操作的证据。