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    • 33. 发明授权
    • Quadrature modulation circuit for use in a radio transmitter
    • 用于无线电发射机的正交调制电路
    • US5434887A
    • 1995-07-18
    • US109921
    • 1993-08-23
    • Masahiko Osaka
    • Masahiko Osaka
    • H03C3/09H03L7/185H04L27/36H04L27/04H04L27/20
    • H04L27/362H03C3/0908H03L7/185
    • A quadrature modulation circuit is comprised of two frequency generators which generate a first frequency signal and a second frequency signal, respectively, and a mixer which mixes the first frequency signal and the second frequency signal to generate the carrier wave whose frequency is different from both the first frequency and the second frequency. By the quadrature modulation of this carrier wave according to a baseband signal, a transmission wave can be obtained. Since the first frequency differs from the carrier frequency and the second frequency differs from both the carrier frequency and the first frequency, the output signals of the frequency generators are not affected by the transmission wave.
    • 正交调制电路包括分别产生第一频率信号和第二频率信号的两个频率发生器和混合第一频率信号和第二频率信号以产生频率不同于两者的载波的混频器 第一频率和第二频率。 通过根据基带信号的该载波的正交调制,可以获得发送波。 由于第一频率与载波频率不同,第二频率与载波频率和第一频率不同,所以频率发生器的输出信号不受传输波的影响。
    • 35. 发明授权
    • Cellular phone
    • 手机
    • US08301201B2
    • 2012-10-30
    • US12671844
    • 2008-08-12
    • Masahiko Osaka
    • Masahiko Osaka
    • H04B1/38H04M1/00F21V13/00
    • H04M1/22G02B6/0081H04M1/0225H04M1/0233H04M1/0235H04M1/0241
    • A cellular phone of the present invention comprises upper housing 10 and lower housing 20 connected together for displacement relative to each other. Upper housing 10 incorporates liquid crystal unit 30 which includes light source 35 and liquid crystal panel 34 illuminated by light emitted from light source 35. Lower housing 20 incorporates an input device. Upper housing 10 comprises slit 13 which communicates with the interior and exterior of upper housing 10, and light guide means for guiding light emitted from light source 35 to slit 35. Operating unit 21 of the input device arranged on lower housing 20 is illuminated by light which is guided by the light guide means and which is emitted to the outside of upper housing 10 through slit 13.
    • 本发明的便携式电话机包括连接在一起以便相对于彼此移位的上壳体10和下壳体20。 上壳体10包括液晶单元30,其包括由光源35和由从光源35发射的光照射的液晶面板34.下壳体20包括输入装置。 上壳体10包括与上壳体10的内部和外部连通的狭缝13和用于将从光源35发射的光引导到狭缝35的导光装置。布置在下壳体20上的输入装置的操作单元21被光照射 其由导光装置引导,并且通过狭缝13发射到上壳体10的外部。
    • 36. 发明授权
    • Shield structural body, connector assembly and connector structural body having shield structural body, casing assembly, and electric compressor
    • 屏蔽结构体,连接器组件和具有屏蔽结构体,壳体组件和电动压缩机的连接器结构体
    • US08083545B2
    • 2011-12-27
    • US12307911
    • 2007-06-20
    • Takatoshi KoitabashiMasahiko OsakaHideo Ikeda
    • Takatoshi KoitabashiMasahiko OsakaHideo Ikeda
    • H01R13/648
    • F04B39/12H01R13/5205H01R13/648
    • Disclosed are a shield structural body, a connector assembly and connector structural body using the shield structural body, a casing assembly having the connector assembly, and an electric compressor having the casing assembly. The shield structural body is formed of an electrically conductive material and has a tube section, a ground electrode terminal formed electrically integrally with the tube section, claw sections integrally formed with the tube section, projected at least either radially outward or inward from the tube section, and engageable with a shield structural body holding member. The shield structural body can be produced at low cost, the connector assembly can provide high productivity and can be produced at low cost, the connector structural body is highly reliable, the casing assembly using the connector assembly is highly versatile, and the electric compressor having the casing assembly can easily cope with model changes.
    • 公开了一种屏蔽结构体,使用屏蔽结构体的连接器组件和连接器结构体,具有连接器组件的壳体组件和具有壳体组件的电动压缩机。 屏蔽结构体由导电材料形成,具有管部,与管部电连接形成的接地电极端子,与管部一体形成的爪部,至少从管部向外侧或内侧突出 并且能够与盾构结构体保持构件接合。 可以以低成本制造屏蔽结构体,连接器组件可以提供高生产率并且可以以低成本生产,连接器结构体是高度可靠的,使用连接器组件的壳体组件是非常通用的,并且电动压缩机具有 套管组件可以轻松应对模型变化。