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    • 2. 发明授权
    • Process for producing thermal head
    • 生产热头的工艺
    • US5234709A
    • 1993-08-10
    • US573533
    • 1990-08-27
    • Yoshiaki SaitaSeiji KuwaharaYoshinori Sato
    • Yoshiaki SaitaSeiji KuwaharaYoshinori Sato
    • B41J2/335H01C17/06
    • B41J2/3356B41J2/3359H01C17/06
    • A method of simultaneously producing a plurality of thermal heads having a ridge-shaped glaze structure uses first and second glass pastes, the second glass paste having a higher softening temperature than the first glass paste. The first glass paste is printed on a substrate in a pattern having a plurality of adjacent slit-shaped openings in parallel. Next, the second glass paste is printed in a pattern having independent bands which cover the openings. The first and second glass pastes are melted and hardened simultaneously by heat treatment so as to form the ridge-shaped glaze structure. A plurality of isolated individual resistors are formed linearly along the crest of the ridge-shaped glaze structure, and a plurality of isolated individual traces are formed which connect at one end to each of the resistors. Lastly, the substrate is divided along separation lines into a plurality of thermal heads having a ridge-shaped glaze structure.
    • 同时生产具有脊形釉结构的多个热敏头的方法使用第一和第二玻璃浆料,第二玻璃糊料具有比第一玻璃浆料更高的软化温度。 将第一玻璃浆料以平行的多个相邻的狭缝状开口的图案印刷在基板上。 接下来,将第二玻璃浆料印刷成具有覆盖开口的独立条带的图案。 第一和第二玻璃浆料通过热处理同时熔化和硬化,以形成脊形釉结构。 多个孤立的单独电阻器沿着脊形釉结构的顶部线性地形成,并且形成多个隔离的单个迹线,其一端连接到每个电阻器。 最后,将基板沿分离线分割成具有脊形釉结构的多个热敏头。
    • 4. 发明授权
    • Method of manufacturing thermal head
    • 制造热头的方法
    • US06907656B1
    • 2005-06-21
    • US09483728
    • 2000-01-14
    • Yoshiaki SaitaOsamu Takizawa
    • Yoshiaki SaitaOsamu Takizawa
    • B41J2/335B41J2/16H05B3/16B21D53/76
    • B41J2/3359Y10T29/49083Y10T29/49146Y10T29/49171Y10T29/49401Y10T29/49789Y10T29/49798
    • A method for manufacturing thermal heads comprises providing a substrate having a first surface, a second surface opposite the first surface, heaters disposed on the first surface, and pairs of electrodes disposed on the first surface, the electrodes of each pair of electrodes being disposed in spaced-apart, confronting relation to each other. A driver IC is mounted on each of the electrodes. The driver ICs are then encapsulated with a resin. Grooves are formed in at least one of the first surface and the second surface of the substrate so that the electrodes of each pair of electrodes are disposed symmetrically with respect to one of the grooves. The substrate is then cut along the grooves to form individual thermal heads each having a heater, at least one of the driver ICs for providing a drive signal to drive the heater, and a sealing element formed by the resin for protecting the driver IC.
    • 一种用于制造热敏头的方法,包括提供具有第一表面,与第一表面相对的第二表面,设置在第一表面上的加热器和设置在第一表面上的电极对的基板,每对电极的电极被设置在 彼此间隔开,面对面的关系。 驱动器IC安装在每个电极上。 驱动器IC然后用树脂封装。 在基板的第一表面和第二表面中的至少一个中形成凹槽,使得每对电极的电极相对于一个凹槽对称地设置。 然后沿着凹槽切割衬底以形成各自具有加热器的单个热敏头,用于提供用于驱动加热器的驱动信号的驱动器IC中的至少一个以及用于保护驱动器IC的树脂形成的密封元件。
    • 5. 发明授权
    • Driving method of heat generating resistor in heat recording device
    • 热记录装置中发热电阻器的驱动方法
    • US5359352A
    • 1994-10-25
    • US682917
    • 1991-04-09
    • Yoshiaki SaitaNorimitsu SanbongiYoshinori Sato
    • Yoshiaki SaitaNorimitsu SanbongiYoshinori Sato
    • B41J2/365B41J2/35
    • B41J2/3551B41J2/3555B41J2/365
    • A method of driving heating resistors in a thermal recording apparatus comprising dividing a plurality of heating resistors into a plurality of separate blocks. The heating resistors in the blocks are driven by sequentially applying a pulse to each block to generate heat sequentially, whereby a current which is generated in the heating resistors by means of application of a constant voltage pulse changes from a first state with a large current to a second state with a small current in a stepwise-like manner within a pulse application time, and the plurality of blocks are sequentially driven so that the first state with a large current within the pulse application time of one block does not coincide with the first state within the pulse application time of another block. Also, the plurality of blocks may be sequentially driven so that the second state with a small current within the pulse application time of one block coincides with the first state with a large current within the pulse application time of a block which is next applied with a pulse.
    • 一种在热敏记录设备中驱动加热电阻器的方法,包括将多个加热电阻器分成多个单独的块。 块中的加热电阻器通过对每个块顺序地施加脉冲来驱动,以依次产生热量,由此通过施加恒定电压脉冲在加热电阻器中产生的电流从具有大电流的第一状态变化到 在脉冲施加时间内以阶梯状的方式具有小电流的第二状态,并且顺序地驱动多个块,使得在一个块的脉冲施加时间内具有大电流的第一状态与第一个块的脉冲施加时间不一致 状态在另一个块的脉冲施加时间内。 此外,可以顺序地驱动多个块,使得在块的脉冲施加时间内的一个块的脉冲施加时间内的具有小电流的第二状态与块的脉冲施加时间内的大电流的第一状态一致,接下来应用 脉冲。
    • 6. 发明授权
    • Method and apparatus for thermally recording data utilizing
metallic/non-metallic phase transition in a recording medium
    • 在记录介质中利用金属/非金属相​​变热记录数据的方法和装置
    • US5220349A
    • 1993-06-15
    • US599058
    • 1990-10-17
    • Yoshiaki SaitaSeiji KuwaharaYoshinori Sato
    • Yoshiaki SaitaSeiji KuwaharaYoshinori Sato
    • B41J2/375
    • B41J2/3555B41J2/375
    • A method and apparatus are applicable to a thermal recording system which records data in a recording medium using a heat generated by applying a power to a resistor. According to the invention the resistor itself or a monitor, which is disposed in the path of electric current applied to the resistor, is made of a material having the metallic/non-metallic phase transition characteristics at predetermined temperature, whereby the resistor or the monitor can have a function to interrupt the electric current at the predetermined temperature so that the peak temperature of the resistor s controlled constantly regardless of the value or period of the applied voltage. Further, it achieves a uniform recording property and a stable continuous tone recording property by controlling the period for holding the peak temperature of the resistor.
    • 一种方法和装置适用于使用通过向电阻器施加电力而产生的热量将数据记录在记录介质中的热记录系统。 根据本发明,设置在施加到电阻器的电流路径中的电阻器本身或监视器由在预定温度下具有金属/非金属相​​变特性的材料制成,由此电阻器或监视器 可以具有在预定温度下中断电流的功能,使得不管施加电压的值或周期如何,电阻器s的峰值温度恒定地被控制。 此外,通过控制用于保持电阻器的峰值温度的周期,其实现了均匀的记录特性和稳定的连续色调记录特性。
    • 8. 发明授权
    • Driving method of heat element array
    • 热元件阵列的驱动方法
    • US5343222A
    • 1994-08-30
    • US781745
    • 1991-10-23
    • Yoshiaki SaitaNorimitsu SanbongiYoshinori Sato
    • Yoshiaki SaitaNorimitsu SanbongiYoshinori Sato
    • B41J2/335B41J2/355B41J2/35
    • B41J2/355
    • An array of heat elements is driven by a driving circuit including a plurality of control units operative to sequentially carry out generation of heat efficiently even with using a relatively small capacity of a power supply and without relying on processing by CPU, thereby achieving fast heat generating operation while saving electric power. The thermal head is provided with a plurality of heat generating units each being comprised of a heat resistive element for generating heat by current flow and an electrode for supplying a current to the heat resistive element, and a plurality of switching elements for controlling supply of current to respective one of the heat generating units. The heat generating unit is constructed such that its resistance increases according to a temperature rising of the heat resistive element by the current supply so as to reduce an output of a driving current. The switching element is composed of, for example, a thyristor operative to turn off the current supply when the current flowing therethrough is reduced below a given level. A voltage between the switching element and the corresponding heat generating unit is monitored to detect the turning-off of the switching element so as to constitute a turning-off detector. The detection of the turning-off indicates the completion of the heat generation or the finish of current supply. Thus, after the detection of the turning-off, a next switching element is initiated to start generation of heat in an adjacent or subsequent heat generating unit.
    • 一组热元件由包括多个控制单元的驱动电路驱动,该控制单元可操作以有效地依次执行热量的产生,即使使用相对较小的电源容量并且不依赖于CPU的处理,从而实现快速的发热 节省电力的同时运行。 热敏头具有多个发热单元,每个发热单元由用于通过电流产生热量的耐热元件和用于向耐热元件供应电流的电极和用于控制电流供应的多个开关元件 到相应的一个发热单元。 发热单元被构造成使得其电阻根据电流源的耐热元件的温度升高而增加,从而减小驱动电流的输出。 开关元件例如由晶闸管组成,当流过其中的电流降低到给定电平以下时,晶闸管可操作以截止电流源。 监视开关元件和对应的发热单元之间的电压,以检测开关元件的关断,从而构成关断检测器。 关闭的检测表示发热完成或电流完成。 因此,在检测到关闭之后,启动下一个开关元件以在相邻或随后的发热单元中开始产生热量。