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    • 31. 发明授权
    • Antenna and button assembly for wireless devices
    • 无线设备的天线和按钮组件
    • US08270915B2
    • 2012-09-18
    • US11651094
    • 2007-01-06
    • Emery A. SanfordZhijun ZhangEvans Hankey
    • Emery A. SanfordZhijun ZhangEvans Hankey
    • H04B1/38
    • H01Q1/44H01Q1/243H01Q1/38
    • An antenna and button assembly is provided for a compact portable wireless device such as a wireless headset for a handheld electronic device. An antenna structure is mounted within a button structure. The button structure includes a switch actuation member that extends past the antenna structure and into engagement with a switch. The switch actuation member may reciprocate within the button structure. A user may press upon an exposed end of the switch actuation member to operate the switch. The switch may be used to control the application of power to the compact portable wireless device or to perform other suitable functions. The button structure may be formed using dielectric materials such as plastic. By forming the button structure from dielectric, clearance is provided between the antenna structure and conductive portions of the compact portable wireless device so that the antenna of the compact wireless device operates properly.
    • 为便携式无线设备(例如用于手持电子设备的无线耳机)提供天线和按钮组件。 天线结构安装在按钮结构内。 按钮结构包括延伸穿过天线结构并与开关接合的开关致动构件。 开关致动构件可以在按钮结构内往复运动。 用户可以按压开关致动构件的暴露端以操作开关。 该开关可以用于控制对小型便携式无线设备的电力的应用或者执行其它合适的功能。 按钮结构可以使用介电材料如塑料形成。 通过从电介质形成按钮结构,在紧凑型便携式无线设备的天线结构和导电部分之间提供间隙,使得紧凑型无线设备的天线正常工作。
    • 32. 发明授权
    • Oil-returning device and accumulator
    • 回油装置和蓄能器
    • US08099976B2
    • 2012-01-24
    • US12235946
    • 2008-09-23
    • Zhijun ZhangFeng ChenYong PanGuojiang Shao
    • Zhijun ZhangFeng ChenYong PanGuojiang Shao
    • F25B43/02
    • F25B43/02F25B43/003F25B43/006F25B2500/01
    • The present invention provides an oil-returning device and a accumulator, the oil-returning device including an outlet pipe and a filtering component, the outlet pipe having an bent arc portion which is provided with a positioning hole, the filtering component including a filtering screen and a filtering screen base with an oil-returning orifice, and being fixedly installed in the positioning hole, wherein an effective cross section area Sn of an inner space of the outlet pipe at a position where the filtering component is installed is in a range of 50%˜90% of an original effective cross section area S0 of the inner space of the untreated outlet pipe at a position where the filtering component is to be installed. The accumulator includes a hermetically sealed container, a inlet pipe and the oil-returning device, wherein in the case of a given diameter of the outlet pipe and a diameter of the oil-returning orifice, appropriate oil-returning capacity will be attained by setting the effective cross section area of the inner space at the oil-returning orifice of the outlet pipe, and thus the production has significant versatility and can meet the requirements of various refrigeration systems.
    • 本发明提供一种回油装置和蓄液器,该回油装置包括出口管和过滤部件,该出口管具有设有定位孔的弯曲弧形部分,该过滤部件包括过滤丝网 以及具有回油孔的过滤丝网底座,并且固定地安装在所述定位孔中,其中,所述出口管的内部空间的有效横截面积Sn在所述过滤部件的安装位置处于 未经处理的出水管的内部空间的原始有效横截面面积S0在要安装过滤部件的位置的50%〜90%。 蓄能器包括密封容器,入口管和回油装置,其中在出口管的给定直径和回油孔的直径的情况下,通过设定适当的回油能力将达到适当的回油能力 出口管回油孔内部空间的有效截面积,因此具有很大的通用性,可以满足各种制冷系统的要求。
    • 34. 发明申请
    • Installation construction for electrical box
    • 电箱安装施工
    • US20100032181A1
    • 2010-02-11
    • US12275187
    • 2008-11-20
    • Zhijun ZhangHaiqing Li
    • Zhijun ZhangHaiqing Li
    • H02B1/30
    • H02G3/10
    • The present invention discloses an installation construction for an electrical box which comprises a mounting fastener and a mounting aperture on an electrical box; the mounting fastener is of a thin fastener shape with a defined thickness, and is disposed with a construction for securing onto a wall face; the mounting aperture is located on a bottom face of the electrical box, and has a depth dimension which corresponds with the thickness of the mounting fastener, and a transverse cross-sectional shape and dimension which correspond with a transverse cross section of the mounting fastener; an interlocking construction is disposed between the mounting fastener and the mounting aperture, the electrical box can be secured in place by directly inserting the mounting aperture to the mounting fastener. In comparison with the prior arts, the present invention provides an installation construction for an electrical box which requires simply securing a mounting fastener with an area far smaller than that of a mounting bottom plate in the prior art onto a wall face. Conveniently, by means of inserting the electrical box onto the mounting fastener, the electrical box could be secured in place. As the mounting fastener and the electrical box can be directly and accordingly engaged with each other, when the electrical box has to be dismounted, a disengaging action is not first required, thereby simplifying a mounting and dismounting action.
    • 本发明公开了一种电气箱的安装结构,其包括安装紧固件和电箱上的安装孔; 安装紧固件具有限定厚度的紧固件形状,并且具有用于固定在壁面上的结构; 安装孔位于电气箱的底面上,并且具有与安装紧固件的厚度对应的深度尺寸以及与安装紧固件的横截面对应的横截面形状和尺寸; 在安装紧固件和安装孔之间设置有互锁结构,通过将安装孔直接插入到安装紧固件中,可将电气盒固定就位。 与现有技术相比,本发明提供了一种用于电气箱的安装结构,其需要简单地将具有远远小于现有技术中的安装底板的安装紧固件的安装紧固件固定在壁面上。 方便地,通过将​​电气盒插入到安装紧固件上,电箱可以固定就位。 由于安装紧固件和电气箱可以彼此直接相应地接合,所以当必须拆卸电气箱时,首先不需要脱开动作,从而简化了安装和拆卸动作。
    • 35. 发明授权
    • Button antenna for handheld devices
    • 手持设备的按钮天线
    • US07639187B2
    • 2009-12-29
    • US11527192
    • 2006-09-25
    • Ruben CaballeroTeodor DabovZhijun ZhangJohn Benjamin FilsonEmery Artemus Sanford
    • Ruben CaballeroTeodor DabovZhijun ZhangJohn Benjamin FilsonEmery Artemus Sanford
    • H01Q1/24
    • H01Q1/243H01Q1/088H01Q1/244H01Q1/44
    • Antennas, handheld electronic devices containing antennas, and methods for using antennas and handheld electronic devices are provided. A handheld device may have a conductive case. The antenna can be formed as part of a button such as a pushbutton. The pushbutton may protrude from the conductive case sufficiently to allow good transmission and reception of wireless signals. The protruding antenna contains a radiating element, while the conductive case serves as a ground. The radiating element may be formed from a low-profile antenna structure such as a planar antenna structure formed on a circuit board substrate. The pushbutton may be used to control operation of the handheld electronic device. With one suitable arrangement, actuation of the pushbutton antenna causes the antenna to protrude from the case and turns on transceiver circuitry in the handheld device.
    • 提供天线,包含天线的手持电子设备,以及使用天线和手持电子设备的方法。 手持设备可以具有导电壳体。 天线可以形成为诸如按钮之类的按钮的一部分。 按钮可以充分地从导电壳突出,以允许良好的无线信号的发送和接收。 突出天线包含辐射元件,而导电壳体用作接地。 辐射元件可以由诸如形成在电路板基板上的平面天线结构的薄型天线结构形成。 该按钮可用于控制手持式电子设备的操作。 通过一种合适的布置,按钮天线的致动使得天线从壳体突出并且打开手持设备中的收发器电路。
    • 36. 发明申请
    • Multiband antenna for handheld electronic devices
    • 用于手持电子设备的多频带天线
    • US20090051604A1
    • 2009-02-26
    • US11895053
    • 2007-08-22
    • Zhijun ZhangRobert W. SchlubRobert J. HillRuben Caballero
    • Zhijun ZhangRobert W. SchlubRobert J. HillRuben Caballero
    • H01Q1/22
    • H01Q21/28H01Q1/243H01Q9/0457H01Q9/26H01Q13/106
    • A handheld electronic device is provided that contain wireless communications circuitry. The wireless communications circuitry may include antenna structures. A first antenna may handle first and second communications bands. A second antenna may handle additional communications bands. The first and second antennas may be located at opposite ends of the handheld electronic device. Conductive structures in the handheld electronic device may form an antenna ground plane. The antenna ground plane may have portions defining an antenna slot. An L-shaped antenna resonating element may be located adjacent to the slot. In the first communications band, the L-shaped antenna resonating element may serve as a non-radiating coupling stub that excites the antenna slot. In the second communications band, the L-shaped antenna resonating element may transmit and receive radio-frequency signals.
    • 提供了一种包含无线通信电路的手持式电子设备。 无线通信电路可以包括天线结构。 第一天线可以处理第一和第二通信频带。 第二天线可以处理额外的通信频带。 第一和第二天线可以位于手持电子设备的相对端。 手持电子设备中的导电结构可以形成天线接地平面。 天线接地平面可以具有限定天线槽的部分。 L形天线谐振元件可以位于与槽相邻的位置。 在第一通信频带中,L形天线谐振元件可以用作激发天线槽的非辐射耦合短线。 在第二通信频带中,L形天线谐振元件可以发射和接收射频信号。
    • 37. 发明申请
    • Antenna and button assembly for wireless devices
    • 无线设备的天线和按钮组件
    • US20080166004A1
    • 2008-07-10
    • US11651094
    • 2007-01-06
    • Emery A. SanfordZhijun ZhangEvans Hankey
    • Emery A. SanfordZhijun ZhangEvans Hankey
    • H04R1/10H04B1/38H01Q1/00
    • H01Q1/44H01Q1/243H01Q1/38
    • An antenna and button assembly is provided for a compact portable wireless device such as a wireless headset for a handheld electronic device. An antenna structure is mounted within a button structure. The button structure includes a switch actuation member that extends past the antenna structure and into engagement with a switch. The switch actuation member may reciprocate within the button structure. A user may press upon an exposed end of the switch actuation member to operate the switch. The switch may be used to control the application of power to the compact portable wireless device or to perform other suitable functions. The button structure may be formed using dielectric materials such as plastic. By forming the button structure from dielectric, clearance is provided between the antenna structure and conductive portions of the compact portable wireless device so that the antenna of the compact wireless device operates properly.
    • 为便携式无线设备(例如用于手持电子设备的无线耳机)提供天线和按钮组件。 天线结构安装在按钮结构内。 按钮结构包括延伸穿过天线结构并与开关接合的开关致动构件。 开关致动构件可以在按钮结构内往复运动。 用户可以按压开关致动构件的暴露端以操作开关。 该开关可以用于控制对小型便携式无线设备的电力的应用或者执行其它合适的功能。 按钮结构可以使用介电材料如塑料形成。 通过从电介质形成按钮结构,在紧凑型便携式无线设备的天线结构和导电部分之间提供间隙,使得紧凑型无线设备的天线正常工作。
    • 38. 发明申请
    • Tunable antennas for handheld devices
    • 手持设备的可调谐天线
    • US20080055164A1
    • 2008-03-06
    • US11516433
    • 2006-09-05
    • Zhijun ZhangRuben Caballero
    • Zhijun ZhangRuben Caballero
    • H01Q1/24
    • H01Q1/243H01Q5/371H01Q9/0421H01Q9/0442
    • A compact tunable antenna for a handheld electronic device and methods for calibrating and using compact tunable antennas are provided. The antenna can have multiple ports. Each port can have an associated feed and ground. The antenna design can be implemented with a small footprint while covering a large bandwidth. The antenna can have a radiating element formed from a conductive structure such as a patch or helix. The antenna can be shaped to accommodate buttons and other components in the handheld device. The antenna may be connected to a printed circuit board in the handheld device using springs, pogo pins, and other suitable connecting structures. Radio-frequency switches and passive components such as duplexers and diplexers may be used to couple radio-frequency transceiver circuitry to the different feeds of the antenna. Antenna efficiency can be enhanced by avoiding the use of capacitive loading for antenna tuning.
    • 提供了一种用于手持电子设备的紧凑型可调谐天线以及用于校准和使用紧凑型可调谐天线的方法。 天线可以有多个端口。 每个端口可以具有相关联的馈电和接地。 天线设计可以实现小占地面积,同时覆盖大的带宽。 天线可以具有由诸如贴片或螺旋之类的导电结构形成的辐射元件。 天线可以被成形为容纳手持设备中的按钮和其他部件。 天线可以使用弹簧,弹簧针和其它合适的连接结构连接到手持设备中的印刷电路板。 可以使用射频开关和诸如双工器和双工器的无源组件来将射频收发器电路耦合到天线的不同馈送。 通过避免使用电容负载来天线调谐,可以提高天线效率。