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    • 46. 发明授权
    • Electronic pocket calculator
    • 电子口袋计算器
    • US4372694A
    • 1983-02-08
    • US223166
    • 1981-01-07
    • Michele BovioFilippo Demonte
    • Michele BovioFilippo Demonte
    • B41J2/32B41J3/36B41J15/04B41J19/20B41J23/12B41J29/00B41J29/13G06C11/04G06F3/12G06F15/02
    • G06F15/0233B41J3/36G06C11/04
    • The calculator is small enough and well protected enough to be carried in the pocket. In addition to a keyboard 28, circuit board 29, batteries 18 and an LCD data display 91, there is a printer comprising a platen 36 which draws paper from a roll in a compartment 101. A thermal printing head 33 is reciprocated along the writing line by a pin 44 engaging in an eccentric cam groove in a disc 46 rotated by a crown wheel 53 and a pinion 54 on the shaft of a motor. Another cam-follower pin 64 reciprocates a slide 66 which advances the platen incrementally after each traverse of the head 33. A slidable cover 14 is shown open, exposing the printing mechanism and operating a switch which enables the printer. Results appear on the LCD display and are printed. When the cover is slid closed it protects the printing mechanism and disables it via the switch. The calculator can nevertheless be used without the printer, results being displayed only on the LCD display 91. The paper roll is carried in a removable container 132 to which access is obtained by depressing a detent tongue and sliding the cover still further open. Cooperating parts of the container and the calculator frame guide the leading strip of the paper between the platen and print head. When the cover is closed it bends a tongue of the container to nip the paper and immobilize it.
    • 计算器足够小,受到足够的保护,足以携带在口袋里。 除了键盘28,电路板29,电池18和LCD数据显示器91之外,还有一个打印机,其中包括一个压纸卷筒36,该纸板从隔室101中的卷筒中抽出纸。热敏打印头33沿着书写线 通过一个销44啮合在由冠轮53旋转的盘46中的偏心凸轮槽和马达轴上的小齿轮54上。 另一个凸轮从动销64使滑块66往复运动,滑动件66在头33的每次横动之后递增地推动压板。可滑动盖14被示出为敞开,暴露打印机构并操作使打印机能够启动的开关。 结果出现在LCD显示屏上,并打印出来。 当盖子滑动关闭时,保护打印机构,并通过开关将其禁用。 只有在LCD显示器91上才能使用计算器。结果只能在LCD显示器91上显示。纸卷被携带在可拆卸的容器132中,通过按压止动舌片并使盖子进一步打开而进入该容器132。 容器的合作部分和计算器框架将纸张的引导条引导到压板和打印头之间。 当盖子关闭时,它弯曲容器的舌头夹住纸张并使其固定。
    • 47. 发明授权
    • Electronic keyboard
    • 电子键盘
    • US3968488A
    • 1976-07-06
    • US610700
    • 1975-09-05
    • Michele Bovio
    • Michele Bovio
    • G06F3/02B41J5/12G06C7/02H01H5/02H01H13/70H03K17/00
    • H03K17/98G06C7/02H01H13/70H01H5/02H01H2221/04H01H2239/006
    • An electronic keyboard comprises a plurality of depressable keys each one of which comprises a stem normally movable and connected through a spring to a metallic actuator. Each actuator is lodged in a supporting element jutting out from the stem and cooperates with a permanent magnet which retains it in a rest position. Upon the depression of a key, the corresponding spring is loaded and after a predetermined displacement of the key a shoulder of the supporting element cooperates directly with the corresponding actuator disengaging it from the permanent magnet. The actuator is then pushed by the action of the spring to a movable contact of an electronic switch which generates an electrical signal.
    • 电子键盘包括多个可按键,每个键都包括通常可移动并通过弹簧连接到金属致动器的杆。 每个致动器被放置在从杆突出的支撑元件中,并与永久磁铁配合,永磁体将其保持在静止位置。 当按下键时,相应的弹簧被加载,并且在钥匙的预定位移之后,支撑元件的肩部与相应的致动器直接配合,使其与永磁体分离。 然后,致动器被弹簧的作用推动到产生电信号的电子开关的可移动触点。