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    • 5. 发明授权
    • Image recording apparatus for heat generation type
    • 用于发热型的图像记录装置
    • US4806950A
    • 1989-02-21
    • US063073
    • 1987-06-17
    • Kiyoshi SekineAkio Ohtani
    • Kiyoshi SekineAkio Ohtani
    • B41J2/36B41J2/38B41M5/382H04N1/40H04N1/405G01D15/10
    • H04N1/40031B41J2/38H04N1/4056
    • An image recording apparatus of a type using a heat sensitive record paper including a thermal head having a number of heat generating resistors aligned in a line extending in a width direction of the record paper which is fed under the thermal head at a constant speed, and a driving and controlling circuit for supplying heating currents to respective resistors in accordance with an image signal to be recorded. The driving and controlling circuit generates pre-heat pulses whose pulse width is changed in accordance with desired background level of an image to be formed, and record signals for reproducing gray levels of respective dots in the image. Each record signal is composed of a plurality of record pulses having different pulse widths corresponding to weights of digits of a binary image signal.
    • 一种使用热敏记录纸的类型的图像记录装置,该热敏记录纸包括具有多个发热电阻器的热敏头,所述热敏头具有以在恒定速度下供给在热敏头下的记录纸的宽度方向上延伸的线排列的热发生电阻;以及 驱动和控制电路,用于根据要记录的图像信号向各个电阻器供应加热电流。 驱动和控制电路产生脉冲宽度根据要形成的图像的期望背景水平而改变的预热脉冲,并记录用于再现图像中各个点的灰度级的信号。 每个记录信号由对应于二进制图像信号的位数的权重的具有不同脉冲宽度的多个记录脉冲组成。
    • 8. 发明授权
    • Apparatus for recording image having size larger than television image
of one frame
    • 用于记录尺寸大于一帧的电视图像的图像的装置
    • US5323181A
    • 1994-06-21
    • US662726
    • 1991-02-28
    • Akio OhtaniYuji NaguraHideaki Iwase
    • Akio OhtaniYuji NaguraHideaki Iwase
    • B41J2/00B41J2/32G03B42/02H04N1/10H04N1/193H04N1/203H04N5/76
    • H04N1/2038B41J2/32H04N1/1004H04N1/193H04N1/203H04N2201/0404H04N2201/0426
    • An apparatus for recording an image having a size larger than a television image of one frame including a thermal head having a length which is equal to the longitudinal length of the television image of one frame. An image signal to be recorded is supplied to the thermal head, while a heat sensitive record paper unwound from a paper roll is fed through the thermal head at a constant speed. In this manner an elongated image having a width equal to the longitudinal length of the television image of one frame and a length longer than the lateral length of the television image of one frame is recorded on the heat sensitive record paper. The length of the recorded image is limited only by length of the heat sensitive record paper. In a preferred embodiment, the length of the thermal head is made equal to three times the longitudinal length of the television image of one frame and the image signal to be recorded is stored in a memory. Pixel signals of corresponding scanning lines of three television images of one frame arranged side by side are simultaneously read out and the read out pixel signals are supplied to heater elements of the thermal head.
    • 一种用于记录尺寸大于一帧的电视图像的图像的装置,包括具有等于一帧的电视图像的纵向长度的长度的热敏头。 要记录的图像信号被提供给热敏头,而从纸卷展开的热敏记录纸以恒定速度馈送通过热敏头。 以这种方式,具有等于一帧的电视图像的纵向长度的宽度和长于一帧的电视图像的横向长度的长度的细长图像被记录在热敏记录纸上。 记录图像的长度仅受限于热敏记录纸的长度。 在优选实施例中,热头的长度等于一帧的电视图像的纵向长度的三倍,并且要记录的图像信号被存储在存储器中。 并排布置的一帧的三个电视图像的相应扫描线的像素信号被同时读出,读出的像素信号被提供给热敏头的加热元件。