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    • 11. 发明公开
    • Circuit for compensating the blue phosphor roll off at high drive levels in a projection television system
    • 电路,以补偿在投影电视系统的高激励电平的蓝色荧光体的弱化。
    • EP0613307A1
    • 1994-08-31
    • EP94102369.9
    • 1994-02-17
    • THOMSON CONSUMER ELECTRONICS, INC.
    • Gurley, Thomas DavidWhite, Charles Michael
    • H04N9/31
    • A43B5/007A43B23/30H04N9/31
    • In a projection television system, a blue phosphor roll-off compensation network (QB,RB,RE2A,RE2B,RE3,VBIAS) is included in the emitter circuit of a common emitter configured transistor (QD) comprising the driver amplifier for the blue cathode ray tube. The roll-off compensation network includes a voltage divider (RE2A,RE2B) connected between the emitter of the common emitter configured transistor (QD) and a source of a bias voltage (VBIAS), and a second transistor (QB) having its base connected to a point within the voltage divider and its collector-emitter path connected in series with a gain changing resistor (RB) between the emitter of the common emitter configured transistor and the source of the variable bias voltage (VBIAS). The voltage divider determines the level of drive current at which the second transistor is rendered conductive and thereby the point at which roll-off compensation is applied. The gain changing resistor determines the amount of compensation.
    • 在投影电视系统中,兰荧光物偏离补偿网络(QB,RB,RE2A,RE2B,RE3,VBIAS)被包括在一个共发射极结构的晶体管,其包括用于蓝色阴极驱动放大器的发射极电路(QD) 射线管。 滚降补偿网络包括连接在共射极结构的晶体管(QD)和偏置电压(V BIAS)的源极的发射极之间的分压器(RE2A,RE2B),和一第二晶体管(QB),其具有其基极连接 串联连接与所述共发射极结构的晶体管的发射极和可变偏置电压(V BIAS)的源极之间的增益改变电阻(RB)的分压器,其集电极 - 发射极路径内的点。 分压器确定性地雷在所述第二晶体管导通的驱动电流的电平,从而在其中的滚降补偿点被应用。 增益改变电阻确定性煤矿的赔偿金额。
    • 20. 发明申请
    • UNIVERSAL SHOE TOECAP AND STIFFENER PROTECTOR
    • UNIVERSAL鞋帽段落SAVER
    • WO1994027454A1
    • 1994-12-08
    • PCT/DE1993000486
    • 1993-06-02
    • JURLEIT, Günther
    • A43B03/16
    • A43B5/007A43B23/30
    • The universal shoe toecap and stiffener protector is a device in ladies' and gentlemen's footwear to protect the toecap and stiffener from wear during their use in motor vehicles. In the present state of the art, there are "protective vehicle floor inserts" for this problem. They do prevent wear to some extent, buy very poorly as they have considerably drawbacks; for example, they quickly become soiled and, depending on the nature of the material, also absorb water during rain or snow. This soiling also causes wear during foot movements when the accelerator, brake or clutch pedals are being operated. It is the purpose of the universal shoe toecap and stiffener protector to eliminate this problem solely through its direct attachment to the shoe so that the shoe can no longer suffer wear from any particles of dirt. It is secured to the shoe by hook-and-loop, perforated, eyelet or laced attachments. Technical development of the universal shoe toecap and stiffener protector: upper material: leather, rubber, fabric, plastic; lining material: felt, fabric, rubber, foam material; assembly: stitched, welded or adhesively secured.
    • 通用鞋帽鞋跟保护是保护鞋头和后跟的磨损在汽车的使用过程中的妇女和男子的鞋的设备。 根据现有技术,也有这个问题所谓的自动镶嵌地板。 这些解决磨损非常差,问题只是部分,因为它们涉及本身明显的缺点; 例如,他们很快变脏,并根据材料尚水在下雨或下雪的类型吸。 因此,磨损是由脚的往复运动气体,制动器或离合器踏板的致动期间,并通过这种污染给出。 这是解决通过其直接连接到单独的鞋瞄准和保护这个问题上的普遍鞋帽款的目标,而且使之能来佩戴任何灰尘鞋多。 附着到鞋通过魔术贴紧固件孔,眼睛闭合或领带闭合。 通用热靴盖段保护的技术发展方向。 鞋面:皮革,橡胶,织物,塑料; 衬里材料:毡,织物,橡胶,泡沫; 步骤:缝合,焊接或粘接。