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    • 1. 发明授权
    • Automatic frequency pulling circuit
    • 自动拉线电路
    • US4709268A
    • 1987-11-24
    • US890230
    • 1986-07-29
    • Taizo AkimotoMasahiko Kawai
    • Taizo AkimotoMasahiko Kawai
    • H04N5/06
    • H04N5/06
    • An automatic frequency pulling circuit produces a signal in synchronism with a horizontal synchronizing signal from a video signal processing device or the like. The automatic frequency pulling circuit comprises an equalizing pulse remover responsive to a synchronizing signal separated from a composite video signal for alternately removing equalizing pulses therefrom, and a PLL circuit composed of at least a phase comparator and a voltage-controlled oscillator. The phase comparator is arranged to compare the phases of an output from the equalizing pulse remover and an output from the voltage-controlled oscillator, for thereby producing the signal in synchronism with the horizontal synchronizing signal. The signal thus generated is utilized in a video monitor, for example, to display accurate images thereon.
    • 自动频率牵引电路与来自视频信号处理装置等的水平同步信号同步地产生信号。 自动频率牵引电路包括响应于从复合视频信号分离的同步信号的均衡脉冲去除器,用于交替地去除均衡脉冲,以及由至少相位比较器和压控振荡器组成的PLL电路。 相位比较器被布置为比较来自均压脉冲去除器的输出的相位和来自压控振荡器的输出的相位,从而与水平同步信号同步地产生信号。 如此生成的信号被用于视频监视器中,例如,以在其上显示准确的图像。
    • 4. 发明授权
    • Aluminum composite material
    • 铝复合材料
    • US4961779A
    • 1990-10-09
    • US335719
    • 1989-04-10
    • Jun KusuiAkiei TanakaMasahiko Kawai
    • Jun KusuiAkiei TanakaMasahiko Kawai
    • C22C32/00F16C33/12
    • C22C32/0084F16C33/121
    • Disclosed are(1) a composite material of aluminum powder containing spherical carbon particles;(2) a composite material of aluminum powder having a good self-lubricity and a high wear resistance and consolidated with a mixture of(i) 100 parts by weight of aluminum particles of about 1 to about 200 .mu.m in mean particle size; and(ii) about 1 and about 100 parts by weight of spherical carbon particles of about 1 to about 50 .mu.m in mean particle size; and(3) a composite material of aluminum powder having a good self-lubricity, a high wear resistance and a high strength and consolidated with a mixture of(i) 100 parts of aluminum alloy particles containing about 0.3 to about 15% by weight of magnesium and having a mean particle size of about 1 to about 200 .mu.m; and(ii) about 1 to about 100 parts by weight of spherical carbon particles having a mean particle size of about 1 to about 50 .mu.m.
    • 公开了(1)含有球形碳颗粒的铝粉的复合材料; (2)具有良好的自润滑性和高耐磨性的铝粉复合材料,并与(i)100重量份平均粒径约1至约200μm的铝颗粒的混合物固化; 和(ii)约1至约100重量份的平均粒度为约1至约50μm的球形碳颗粒; 和(3)铝粉复合材料,其具有良好的自润滑性,高耐磨性和高强度,并且与(i)100份含约0.3至约15重量% 镁并且具有约1至约200μm的平均粒度; 和(ii)约1至约100重量份的平均粒度为约1至约50μm的球形碳颗粒。