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    • 32. 发明授权
    • Timepiece apparatus
    • 钟表装置
    • US4087958A
    • 1978-05-09
    • US761957
    • 1977-01-24
    • Heihachiro EbiharaMisao Uchino
    • Heihachiro EbiharaMisao Uchino
    • G04G3/02G04G9/00G04G99/00H04N5/445G04C13/02G04C13/04H04B1/02H05B39/09
    • G04G9/0011G04G9/0058
    • A novel timepiece apparatus for transmitting segment video signals to display time information etc. on a television set is described. The timepiece apparatus includes an oscillator generating a time base signal, a frequency divider dividing the frequency of said time base signal, a time counter counting an output from said frequency divider, a decoder decoding an output from said time counter, a segment video signal generator controlled by means of said decoder, a synchronizing signal generator delivering a synchronizing signal to said segment video signal generator, a modulator receiving a segment video signal from said segment video signal generator and a synchronizing signal from said synchronizing signal generator, a carrier wave generator delivering a carrier wave to be modulated by said modulator, and a transmitter transmitting a modulated carrier wave from said modulator whereby there can be obtained precise time information etc. on television sets.
    • 描述了一种用于在电视机上发送段视频信号以显示时间信息等的新颖的钟表装置。 该钟表装置包括产生时基信号的振荡器,对所述时基信号的频率进行分频的分频器,对来自所述分频器的输出进行计数的时间计数器,对来自所述时间计数器的输出进行译码的解码器,分段视频信号发生器 通过所述解码器控制的同步信号发生器,将同步信号传送到所述段视频信号发生器,调制器接收来自所述段视频信号发生器的段视频信号和来自所述同步信号发生器的同步信号, 由所述调制器调制的载波,以及从所述调制器发送调制载波的发射机,由此可以在电视机上获得精确的时间信息等。
    • 33. 发明授权
    • Electro-optical apparatus having antiferrodielectric liquid crystal panel with normalization to prevent white brightening
    • 具有标准化的反铁电液晶面板的电光装置防止白色增白
    • US06259492B1
    • 2001-07-10
    • US09155888
    • 1998-10-08
    • Satoshi ImotoHeihachiro Ebihara
    • Satoshi ImotoHeihachiro Ebihara
    • G02F1133
    • G09G3/3633G09G2310/06G09G2320/043
    • An antiferroelectric liquid crystal display apparatus free from burn-in and achieving high display quality is provided by providing means for preventing pixel brightness from varying between pixels continuously held in an ON (bright) state and pixels continuously held in an OFF (dark) state. Aging processing is performed to saturate the brightness level of pixels into a stable state and thereby prevent the occurrence of a white brightening phenomenon. For this purpose, the brightness at a no voltage condition (base brightness) is set to a normalized level for all pixels in the liquid crystal panel that are required to exhibit uniform display performance. Further, temperature variations in the liquid crystal panel are eliminated to stabilize the brightness level and thereby prevent the occurrence of a white darkening phenomenon. Means is also provided for repeatedly performing normalization processes automatically or manually.
    • 通过提供用于防止连续保持在ON(亮)状态的像素和连续保持在OFF(黑暗)状态的像素之间的像素亮度变化的装置来提供无老化和实现高显示质量的反铁电液晶显示装置。 执行老化处理以将像素的亮度水平饱和到稳定状态,从而防止发生白色增白现象。 为此,将无电压条件下的亮度(基本亮度)设定为液晶面板中显示均匀显示性能所需的所有像素的归一化水平。 此外,消除了液晶面板中的温度变化以稳定亮度水平,从而防止出现白色变暗现象。 还提供了用于自动或手动重复执行归一化处理的手段。
    • 34. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US5886755A
    • 1999-03-23
    • US836737
    • 1997-07-10
    • Satoshi ImotoHeihachiro Ebihara
    • Satoshi ImotoHeihachiro Ebihara
    • G09G3/36G02F1/133G02F1/37
    • G09G3/3633G09G2310/06G09G2310/061
    • The present invention relates to an antiferroelectric liquid crystal display device, by which a time (namely, a ferroelectric saturation time tr) required for transition of the state of a liquid crystal, which has been in a dark state, to a saturated bright state is reduced. A method of establishing a precedent driving period in such a manner as to be precedent to a selective driving period and of obtaining a value, at which the ferroelectric saturation time tr is minimized, of a synthetic voltage from a scanning signal and a display signal in the precedent driving period. A device using the value obtained by this method. In the precedent driving period, a voltage, whose voltage value is .vertline.Vx.vertline., is applied to the liquid crystal. In a selective driving period, a voltage, which is different in polarity from the voltage value .vertline.Vx.vertline. and has a voltage value is .vertline.Vz.vertline., is applied thereto. In other periods, a voltage having a voltage value of 0 is applied thereto. A value of the voltage .vertline.Vx.vertline., at which the ferroelectric saturation time tr is minimized when changing the value of the voltage .vertline.Vx.vertline. while maintaining the voltage .vertline.Vz.vertline. at a constant value, is set as an optimum precedent driving voltage .vertline.VM.vertline..
    • PCT No.PCT / JP96 / 02683 Sec。 371日期1997年7月10日 102(e)1997年7月10日PCT PCT 1996年9月18日PCT公布。 公开号WO97 / 11403 日期:1997年3月27日本发明涉及一种反铁电液晶显示装置,通过该反铁电液晶显示装置将处于黑暗状态的液晶的状态转变所需的时间(即铁电饱和时间tr)设定为 饱和亮度降低。 以扫描信号和显示信号的合成电压的方式建立先驱驱动期间,其方式为先于选择性驱动周期并且获得铁电饱和时间tr最小化的值 先驱驾驶期。 使用通过此方法获得的值的设备。 在先驱驱动期间,将电压值为| Vx |的电压施加到液晶。 在选择驱动期间,极性与电压值| Vx |不同的电压 并且施加电压值为| Vz |。 在其他时期,施加电压值为0的电压。 在改变电压值| Vx |时铁电饱和时间tr最小的电压| Vx |的值 同时保持电压| Vz | 以恒定值作为最佳先驱驱动电压| VM |。
    • 35. 发明授权
    • Electrooptical display device
    • 电光显示装置
    • US5841412A
    • 1998-11-24
    • US954053
    • 1997-10-17
    • Heihachiro Ebihara
    • Heihachiro Ebihara
    • G09G3/20G09G3/30G09G3/36
    • G09G3/3622G09G3/20G09G3/3696G09G2300/06G09G2320/0204G09G2320/0209G09G2330/021G09G2330/028G09G2360/16G09G3/2018G09G3/30G09G3/3681G09G3/3692
    • The present invention improves the drop of a contrast, the occurrence of cross-talk and the drop of a response speed by bringing the drive state of an electrooptical display device to theoretical values. In a display device including a display panel having common electrode groups and segment electrode groups, a common electrode drive circuit and a segment electrode drive circuit, the quantity of the current flowing through the display panel through the segment electrode drive circuit is detected by a current detection circuit consisting of a differential amplifier 101 and a resistor Ra and by a current detection circuit consisting of a differential amplifier 102 and the resistor Ra, and the common electrode drive voltage applied to the common electrode groups through the common electrode drive circuit is controlled by a differential amplifier 103 on the basis of this current detection quantity, whereby the contrast is improve cross-talk is eliminated, and remarkable effects are obtained.
    • 本发明通过使电光显示装置的驱动状态达到理论值来改善对比度的下降,串扰的发生和响应速度的下降。 在包括具有公共电极组和分段电极组的显示面板的显示装置中,公共电极驱动电路和段电极驱动电路,通过电流驱动电路流过显示面板的电流量由电流 由差分放大器101和电阻器Ra组成的检测电路和由差分放大器102和电阻器Ra组成的电流检测电路以及通过公共电极驱动电路施加到公共电极组的公共电极驱动电压来控制 基于该电流检测量的差分放大器103,从而消除对比度提高串扰,并且获得显着的效果。
    • 36. 发明授权
    • Electrooptical display device
    • 电光显示装置
    • US5828354A
    • 1998-10-27
    • US742848
    • 1996-11-01
    • Heihachiro Ebihara
    • Heihachiro Ebihara
    • G09G3/20G09G3/30G09G3/36
    • G09G3/20G09G3/3622G09G3/3696G09G2300/06G09G2320/0204G09G2320/0209G09G2330/021G09G2330/028G09G2360/16G09G3/2018G09G3/30G09G3/3681G09G3/3692
    • The present invention improves the drop of a contrast, the occurrence of cross-talk and the drop of a response speed by bringing the drive state of an electrooptical display device to theoretical values. In a display device including a display panel having common electrode groups and segment electrode groups, a common electrode drive circuit and a segment electrode drive circuit, the quantity of the current flowing through the display panel through the segment electrode drive circuit is detected by a current detection circuit consisting of a differential amplifier 101 and a resistor Ra and by a current detection circuit consisting of a differential amplifier 102 and the resistor Ra, and the common electrode drive voltage applied to the common electrode groups through the common electrode drive circuit is controlled by a differential amplifier 103 on the basis of this current detection quantity, whereby the contrast is improve, cross-talk is eliminated, and remarkable effects are obtained.
    • 本发明通过使电光显示装置的驱动状态达到理论值来改善对比度的下降,串扰的发生和响应速度的下降。 在包括具有公共电极组和分段电极组的显示面板的显示装置中,公共电极驱动电路和段电极驱动电路,通过电流驱动电路流过显示面板的电流量由电流 由差分放大器101和电阻器Ra组成的检测电路和由差分放大器102和电阻器Ra组成的电流检测电路以及通过公共电极驱动电路施加到公共电极组的公共电极驱动电压来控制 基于该电流检测量的差分放大器103,从而改善对比度,消除串扰,并且获得显着的效果。
    • 37. 发明授权
    • Electrooptical display device
    • 电光显示装置
    • US5583528A
    • 1996-12-10
    • US364420
    • 1994-12-27
    • Heihachiro Ebihara
    • Heihachiro Ebihara
    • G09G3/20G09G3/30G09G3/36
    • G09G3/3622G09G3/20G09G3/3696G09G2300/06G09G2320/0204G09G2320/0209G09G2330/021G09G2330/028G09G2360/16G09G3/2018G09G3/30G09G3/3681G09G3/3692
    • The present invention improves the drop of a contrast, the occurrence of cross-talk and the drop of a response speed by bringing the drive state of an electrooptical display device to theoretical values. In a display device including a display panel having common electrode groups and segment electrode groups, a common electrode drive circuit and a segment electrode drive circuit, the quantity of the current flowing through the display panel through the segment electrode drive circuit is detected by a current detection circuit consisting of a differential amplifier 101 and a resistor Ra and by a current detection circuit consisting of a differential amplifier 102 and the resistor Ra, and the common electrode drive voltage applied to the common electrode groups through the common electrode drive circuit is controlled by a differential amplifier on the basis of this current detection quantity, whereby the contrast is improve, cross-talk is eliminated, and remarkable effects are obtained.
    • 本发明通过使电光显示装置的驱动状态达到理论值来改善对比度的下降,串扰的发生和响应速度的下降。 在包括具有公共电极组和分段电极组的显示面板的显示装置中,公共电极驱动电路和段电极驱动电路,通过电流驱动电路流过显示面板的电流量由电流 由差分放大器101和电阻器Ra组成的检测电路和由差分放大器102和电阻器Ra组成的电流检测电路以及通过公共电极驱动电路施加到公共电极组的公共电极驱动电压来控制 基于该电流检测量的差分放大器,从而提高对比度,消除串扰,并获得显着的效果。
    • 40. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US5945971A
    • 1999-08-31
    • US793505
    • 1997-02-28
    • Satoshi ImotoHeihachiro Ebihara
    • Satoshi ImotoHeihachiro Ebihara
    • G09G3/36
    • G09G3/3633G09G2310/06G09G2310/061G09G2320/041
    • Antiferroelectric liquid crystal display device provided with a selection period tw, during which a scanning voltage is applied for determining a liquid-crystal display condition or state of a pixel, and further provided with a holding period tk, during which the determined liquid-crystal display state of the pixel is held, and a relaxation period ts, in which the state of the liquid crystal is changed from a ferroelectric state to an antiferroelectric state before the selection period tw and after the holding time tk. Moreover, in the case of this device, at least one horizontal scanning interval, in which the scanning signal voltage is not zero at least during a display signal active period, is provided in the relaxation period ts.
    • PCT No.PCT / JP96 / 01845 Sec。 371日期1997年2月28日 102(e)1997年2月28日PCT PCT 1996年7月3日PCT公布。 公开号WO97 / 02508 日期1997年1月23日提供了选择期间tw的放电荧光液晶显示装置,在该期间,施加扫描电压以确定液晶显示条件或像素的状态,并且还具有保持期间tk, 保持像素的确定的液晶显示状态以及在选择期间tw和保持时间tk之后液晶的状态从铁电状态变为反铁电状态的弛豫期间ts。 此外,在该装置的情况下,至少在显示信号有效期间扫描信号电压不为零的至少一个水平扫描间隔被提供在弛豫周期ts内。