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    • 42. 发明公开
    • 헤어클립
    • 发夹
    • KR1020030046290A
    • 2003-06-12
    • KR1020010076791
    • 2001-12-05
    • 이덕수
    • 이덕수
    • A45D8/02
    • PURPOSE: A hair clip is provided which has good appearance and low manufacture cost and maximizes the effect of grabbing hair hard. CONSTITUTION: The hair clip comprises: a base decoration plate(10) having a curling portion(11) curled to any one side along the outer circumference; a fixing plate(20) which has a hinge connection part(22) at one end with an elastic latching portion(21), a hook pressing part(23) at the other with a hook(23a) and a pair of elastic parts(24) projected at a predetermined interval between the hinge connecting part(22) and the hook pressing part(23) and which is coupled to one side face of the base decoration plate(10); and a pressing plate(30) which has at one end a rotary projection(31) hinged to the hinge connecting part(22) of the fixing plate(20) and a reaction jaw(32) providing a rotary elastic reaction force to the elastic latching portion(21) and at the other end a latch part(33) unlatched by the hook(23a) of the hook pressing part(23) of the fixing plate(20) and an elastic part(34) projected between the rotary projection(31) and the latch part(33) against a gripping gap formed between the pair of elastic parts(24) and grabbing hair in collaboration with the elastic parts(24).
    • 目的:提供发夹,外形美观,制造成本低,抓紧头发效果最大化。 构成:发夹包括:基部装饰板(10),其具有沿着外周卷曲到任何一侧的卷曲部分(11); 固定板(20),其一端具有弹性闭锁部分(21)的铰链连接部分(22),另一端具有钩(23a)的钩压部(23)和一对弹性部分 24)以铰链连接部(22)和钩按压部(23)之间的预定间隔突出并且连接到基部装饰板(10)的一个侧面; 以及压板(30),其一端具有铰接到固定板(20)的铰链连接部分(22)的旋转突起(31)和向弹性件提供旋转弹性反作用力的反作用钳口(32) 闩锁部分(21),另一端由固定板(20)的钩按压部分(23)的钩(23a)解锁的闩锁部分(33)和伸在旋转突出部 (31)和所述闩锁部分(33)抵靠形成在所述一对弹性部件(24)之间并与所述弹性部件(24)协作抓住毛发的夹紧间隙。
    • 43. 发明公开
    • 고효율 스위칭 증폭기
    • 高效开关放大器
    • KR1020020034677A
    • 2002-05-09
    • KR1020000065133
    • 2000-11-03
    • 엔시트론 주식회사최영하이덕수박경수두세진
    • 두세진이덕수최영하박경수
    • H03F3/217
    • PURPOSE: A high efficiency switching amplifier is provided, which reduce a noise and a nonlinear distortion by reducing a heat generation and increasing efficiency by performing the switching with a low power supply voltage when an input voltage is small. CONSTITUTION: The switching amplifier has an amplitude detector(17) detecting an amplitude of an input signal, and a PWM(Pulse Width Modulation) generator varying a modulation depth of a PWM waveform generated according to a voltage region of an input signal by comparing the amplitude of the input signal with a constant threshold value. A plurality of power supply devices(21,22) vary a PWM output voltage being output according to the amplitude of the input signal. And an output filter circuit filters the PWM switching output voltage through a low pass filter to make it an analog waveform.
    • 目的:提供一种高效率的开关放大器,通过在输入电压较小时通过低电源电压进行开关来减少发热并提高效率,从而降低噪声和非线性失真。 构成:开关放大器具有检测输入信号的幅度的幅度检测器(17),以及PWM(脉宽调制)发生器,通过比较输入信号的电压区域来改变根据输入信号的电压区域生成的PWM波形的调制深度 具有恒定阈值的输入信号的幅度。 多个电源装置(21,22)根据输入信号的幅度改变输出的PWM输出电压。 并且输出滤波器电路通过低通滤波器对PWM开关输出电压进行滤波,使其成为模拟波形。
    • 47. 实用新型
    • 선택이 자유로운 필기구
    • 可选的书写工具
    • KR2019970053858U
    • 1997-10-13
    • KR2019970019658
    • 1997-07-25
    • 이덕수
    • 이덕수
    • B43K27/02
    • 본고안은연결핀에의하여여러종류의필기구를자유롭게선택할수 있도록설계하였다. 기존의양쪽볼펜이나앞뒤로만들어진필기구의경우는소비자가선택하여사용이불가능하고필기구를만드는회사에의하여일방적으로만들어지기때문에많은소비자를충족시켜주지못하는단점이있다. 그래서현재시중에나와있는필기구의경우검정색 볼펜과빨강색볼펜을연결해놓은필기구나볼펜과형광펜을연결해놓은필기구등선택의폭이굉장히작은것을블 수있다. 그래서소비자가필요로하는색깔과필기구의종류를자유롭게선택하여사용할수 있도록제1도처럼필기구끝에나사홈을내고양쪽으로나사홈이있는연결편에양쪽으로연결하여사용할수 있도록만들었다. 그리고필기구는양쪽으로연결하여사용할수 있도록만들어져있기때문에보통필기구의길이에반정도면된다. 그래서휴대가간편한장점도있다.
    • 在本文中,它的设计使得各种书写工具可以通过连接销自由选择。 对于现有的内置两个圆珠笔书写工具来回,有缺点并不满足众多消费者,因为它单方面由该公司创造通过使写一个消费者的选择无法使用。 所以,市场上的书写工具的当前情况下,黑色和红色圆珠笔圆珠笔writing're连接haenoteun选择,如一支圆珠笔,荧光笔haenoteun连接块,可以是非常小的。 让消费者可以造出来的第一朗姆酒书写的末到处螺丝孔,这样就可以用自由选择的画笔颜色类型,你需要连接到具有两侧螺丝孔的连接件的两侧。 而且,由于书写工具是连接到双方的,书写工具的长度通常是一半。 所以它也很容易携带。