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    • 1. 发明授权
    • Bicycle lock
    • 自行车锁
    • US4302955A
    • 1981-12-01
    • US111334
    • 1980-01-11
    • Shigeru Kawakami
    • Shigeru Kawakami
    • E05B37/08E05B67/00
    • E05B67/003E05B37/08Y10T70/435Y10T70/7249
    • A combination lock and a length of steel cable of chain connected with the ends of said lock is disclosed. The lock comprises a bolt inserted in a casing having a shaft unrotatably disposed therein. Adjacent to one end of the shaft, a knob is mounted. Three step wheels, each having a peripheral recess, are also loosely mounted on the shaft. The step wheels are provided with a projection or projections on one or both sides for transmitting the movements of the knob. Adjacent to the first step wheel which is farthest from the knob, a retaining wheel is mounted on the shaft. The retaining wheel is provided with a recess at its periphery and a projection at one side. The projection is inserted in either one of five recesses provided at one side of the first step wheel whereby five different code numbers will be obtained without changing the step wheels. A click mechanism is arranged between the shaft and the knob. Adjacent to the retaining wheel, a retainer of an inverted "C" form having laterally extending end portions is slidably mounted across the shaft. In the locked state, the inner end portion of the retainer engages with the recess of the retaining wheel while the outer end portion protrudes from the casing by the action of a spring whereby the knob can not be turned. This lock has no numeral indicating means and is unlocked by listening to clicking sounds.
    • 公开了一种与所述锁的端部连接的链条的组合锁和长度的钢索。 锁具包括插入壳体中的螺栓,其中不具有可转动的轴。 靠近轴的一端,安装一个旋钮。 每个具有周边凹槽的三级轮也松散地安装在轴上。 步进轮在一侧或两侧设置有用于传递旋钮运动的突起或突起。 在距离旋钮最远的第一步进轮附近,保持轮安装在轴上。 保持轮在其周边设置有凹部,在一侧设置有突起。 突起插入到设置在第一步进轮的一侧的五个凹部中的任一个中,从而在不改变步进轮的情况下获得五个不同的编号。 在轴和旋钮之间设置一个咔嗒机构。 与固定轮相邻,具有横向延伸的端部的倒置的“C”形的保持器可滑动地安装在轴上。 在锁定状态下,保持器的内端部与保持轮的凹部接合,而外端部通过弹簧的作用从壳体突出,由此旋钮不能转动。 该锁没有数字指示装置,并通过听到点击声音解锁。
    • 8. 发明授权
    • Horizontal contour emphasizing signal processor
    • 水平轮廓强调信号处理器
    • US5543859A
    • 1996-08-06
    • US418247
    • 1995-04-06
    • Minoru MiyataShigeru Kawakami
    • Minoru MiyataShigeru Kawakami
    • H04N5/208H04N9/68
    • H04N5/208
    • An improved horizontal contour emphasizing signal processor is provided with a detector to detect a period during which luminance signal changes are produced, a generator to generate a rectangular-wave signal during this period, and a multiplier for multiplying a first horizontal contour emphasizing signal derived from the luminance signal to the rectangular-wave signal to generate a second horizontal contour emphasizing signal, and in this case, a preshoot is added to the input luminance signal waveform at the starting part of a radical waveform change and an overshoot is added at the ending part of the waveform change in order to perform finer horizontal contour emphasizing.
    • 提供了一种改进的水平轮廓强调信号处理器,其具有检测器,用于检测产生亮度信号变化的周期,在该周期期间产生矩形波信号的发生器,以及乘法器,用于将从 对矩形波信号的亮度信号产生第二水平轮廓强调信号,并且在这种情况下,在自由基波形变化的起始部分处将输入亮度信号波形加到输入亮度信号波形,并在结束时添加过冲 波形的一部分变化,以执行更精细的水平轮廓强调。
    • 9. 发明授权
    • Satellite television broadcasting receiver including improved clamping
circuit
    • 卫星电视广播接收机包括改进的钳位电路
    • US5510855A
    • 1996-04-23
    • US424568
    • 1995-04-17
    • Shigeru KawakamiNoriaki OmotoToshihiro Shogaki
    • Shigeru KawakamiNoriaki OmotoToshihiro Shogaki
    • H04N5/60H04N7/045H04N7/20H04N5/18H04N5/44
    • H04N5/60H04N7/045H04N7/20
    • The present invention relates to a satellite television broadcasting receiver which receives waves from a satellite, selects a broadcasting channel and obtains an FM demodulated video signal by passing a selected signal through the band-pass filter. In this satellite television broadcasting receiver, the video signal superposed with a large energy dispersion signal is inputted to the first clamping circuit at a low level, to eliminate the energy dispersion signal. Thus, a room is provided in the dynamic range of the amplifier at the later stage and the DG and DP of the amplifier at the later stage are maintained at a satisfactory level by the second clamping circuit. As a result, even in the case of a satellite television broadcasting in which the level of the energy dispersion signal superposed on the video signal is large, distortion which occurs due to the nonlinearity of the amplifier can be reduced substantially so that the image can be reproduced on the screen in a satisfactory condition without an interference of flickering.
    • 卫星电视广播接收机技术领域本发明涉及从卫星接收波的卫星电视广播接收机,通过通过带通滤波器的选择信号,选择广播频道并获得FM解调的视频信号。 在该卫星电视广播接收机中,叠加有大能量色散信号的视频信号以低电平输入到第一钳位电路,以消除能量色散信号。 因此,在后期的放大器的动态范围中设置一个房间,并且后期的放大器的DG和DP由第二钳位电路保持在令人满意的水平。 结果,即使在其中叠加在视频信号上的能量色散信号的电平较大的卫星电视广播的情况下,也可以大幅度地减小由于放大器的非线性而发生的失真,从而图像可以 在屏幕上以令人满意的状态再现而不受闪烁的干扰。