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    • 7. 发明授权
    • Thermal recording head device
    • 热敏记录头装置
    • US4591877A
    • 1986-05-27
    • US459555
    • 1983-01-20
    • Yoshiyuki Shiratsuki
    • Yoshiyuki Shiratsuki
    • B41J2/355B41J2/35G06K15/10H04N1/032B41J3/20
    • B41J2/35
    • A thermal recording head device and a method for operating a thermal recording head device in which a video signal representing an entire line of dots to be printed is simultaneously stored. The thermal recording head itself is composed of a belt-shaped resistive member having leads arranged in first and second groups of leads extending alternately therefrom. The leads of the first group are alternatingly connected to a power supply terminal while synchronously therewith bits of a video signal are alternately gated to control corresponding switching elements connected between the leads of the second group and ground. AND-OR gates are employed to perform the alternating connection between the register in which the video signal is stored. Switching elements, composed of bipolar transistors, are connected between the leads of the second group of leads and ground.
    • 热敏记录头装置和用于操作热记录头装置的方法,其中同时存储表示要打印的整个点的视频信号。 热敏记录头本身由带状电阻构件组成,该带状电阻构件具有布置在与其交替延伸的第一组和第二组引线中的引线。 第一组的引线交替地连接到电源端子,同时同步地,视频信号的位交替地选通以控制连接在第二组的引线和地之间的对应的开关元件。 采用AND-门来执行存储视频信号的寄存器之间的交替连接。 由双极晶体管组成的开关元件连接在第二组引线的引线和地之间。