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    • 3. 发明授权
    • Portable radio housing with logic and RF shielding
    • 便携式无线电外壳,带逻辑和射频屏蔽
    • US4680676A
    • 1987-07-14
    • US816521
    • 1986-01-06
    • Nickie A. PetratosDavid KarlWilliam M. Bradford
    • Nickie A. PetratosDavid KarlWilliam M. Bradford
    • H04B1/08H05K9/00H05K7/06
    • H05K9/006H04B1/086
    • A portable radio housing has a shield that provides electromagnetic isolation between logic and radio boards operating on close frequencies. The radio board is positioned in a conductive frame having fours sides surrounding a central opening. A tab on the frame is connected to a power module on the radio board to sink heat from the power module. A middle shield having sides with integral spring fingers at calculated intervals is attached to the frame over the rear surface of the radio board. A logic board and rear shield are attached to the frame over the middle shield. A connector protrudes through an opening in the middle shield and interconnects the logic and radio boards. A front shield, also having sides with integral spring fingers, is attached to the frame over the front surface of the radio board. The front shield has an integral speaker baffle and tabs for holding a connector. An outer housing and keypad/display module enclose the frame. Electrostatic discharge protection is provided by connecting exposed metal parts to the frame.
    • 便携式无线电外壳具有屏蔽,可以在靠近频率工作的逻辑电路板和无线电板之间提供电磁隔离。 无线电板被定位在具有围绕中心开口的四个侧面的导电框架中。 框架上的标签连接到无线电板上的电源模块,以从电源模块吸收热量。 具有以计算出的间隔的整体弹簧指的侧面的中间屏蔽件被附接到无线电板的后表面上的框架。 逻辑板和后屏蔽件通过中间屏蔽连接到框架。 连接器通过中间屏蔽中的开口突出,并互连逻辑电路板和无线电板。 在无线电板的前表面上的框架上还附有具有整体弹簧指的侧面的前屏蔽件。 前屏蔽具有一体的扬声器挡板和用于保持连接器的突出部。 外壳和键盘/显示模块封闭框架。 通过将暴露的金属部件连接到框架来提供静电放电保护。
    • 4. 发明授权
    • Radio assembly and radio disassembly tool
    • 无线电组装和无线电拆卸工具
    • US5453912A
    • 1995-09-26
    • US202141
    • 1994-02-25
    • J. Michael LytleMartin E. HolmesMark F. WitczakPeter D. IezziWilliam M. Bradford
    • J. Michael LytleMartin E. HolmesMark F. WitczakPeter D. IezziWilliam M. Bradford
    • H04B1/08H04B1/03
    • H04B1/08
    • A radio assembly (100) includes a radio chassis (120) and radio housing (150). The radio chassis (120) includes a resilient cantilever arm (130) having an engaging portion (135). The radio housing (150) includes a mount channel (156) to position the cantilever arm (130), and a ramped catch portion (157) within the mount channel (156) to engage the engaging portion (135) of the cantilever arm (130) and to secure the radio chassis (120) within the radio housing (150). The chassis (120) is mounted to the radio housing (150) such that the engaging portion (135) of the cantilever arm (130) is positioned within the mount channel (156). The engaging portion (135) of the cantilever arm (130) is biasedly engaged with the ramped catch portion (157), and is deflectable so as to disengage from the ramped catch portion (157) when a deflecting force is applied to the engaging portion (135). A radio disassembly tool (300) disassembles the radio assembly (100) by deflecting and releasing the engaging portion (135) of the cantilever arm (130) from the ramped catch portion (157).
    • 无线电组件(100)包括无线电基座(120)和无线电外壳(150)。 无线电底盘(120)包括具有接合部分(135)的弹性悬臂(130)。 无线电壳体(150)包括用于定位悬臂(130)的安装通道(156)和安装通道(156)内的倾斜捕获部分(157),以与悬臂的接合部分(135)接合 130)并且将无线电机箱(120)固定在无线电外壳(150)内。 底盘(120)安装到无线电外壳(150),使得悬臂(130)的接合部分(135)位于安装通道(156)内。 悬臂(130)的接合部分(135)与倾斜的卡扣部分(157)偏置地接合,并且当偏转力施加到接合部分时可偏转以便与倾斜的卡扣部分(157)脱离 (135)。 无线电拆卸工具(300)通过从斜坡捕获部分(157)偏转和释放悬臂(130)的接合部分(135)来拆卸无线电组件(100)。
    • 6. 发明授权
    • Housing assembly having flexible shield and insulator
    • 外壳组件具有柔性屏蔽和绝缘体
    • US4942380A
    • 1990-07-17
    • US299205
    • 1989-01-23
    • William M. BradfordLloyd W. SilvernGerard A. Dennis
    • William M. BradfordLloyd W. SilvernGerard A. Dennis
    • H05K5/00H05K9/00
    • H05K9/002H05K5/0091
    • A electromagnetically shielded and insulated housing assembly (500) is provided having a housing member (200) and a flexible member (100). The housing member has an open side (240) and enclosing sides (215). The flexible member has a layer (110,180,185) of conductive material disposed on selected areas of each opposing side (150,155). The conductive areas are electrically connected by a plurality of conductive feed-throughs (120,115). One side of the flexible member also has adhesive areas (130,125), which are separated from the conductive area. The conductive area of the flexible member is placed over the open side of the housing member and covers it, and thereby electrical contact between the housing and the peripheral edges (250) of the open side is produced. Upward folding of the flexible member bonds the adhesive areas to the opposed enclosing sides of the housing. The other side of the flexible member is connected to a main ground, thereby electromagnetically shielding the housing assembly.
    • 设有电磁屏蔽和绝缘的壳体组件(500),其具有壳体构件(200)和柔性构件(100)。 壳体构件具有开口侧(240)和封闭侧(215)。 柔性构件具有布置在每个相对侧(150,155)的选定区域上的导电材料层(110,180,185)。 导电区域通过多个导电馈通(120,115)电连接。 柔性构件的一侧还具有与导电区域分离的粘合区域(130,125)。 柔性构件的导电区域被放置在壳体构件的开口侧上并且覆盖其,从而产生壳体与开口侧的周边边缘(250)之间的电接触。 柔性构件的向上折叠将粘合剂区域粘合到壳体的相对的封闭侧。 柔性构件的另一侧连接到主地面,从而电磁屏蔽壳体组件。