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    • 2. 发明申请
    • Method of integrating an intercom system and a mobile communication device
    • 集成对讲系统和移动通信设备的方法
    • US20080069326A1
    • 2008-03-20
    • US11511327
    • 2006-08-29
    • Chi-Yuan Chang
    • Chi-Yuan Chang
    • H04M9/00
    • H04M11/025
    • A method allowing the audio and video signals of an intercom system to be extended to a mobile communication device via Internet is provided. A server device functions as a relay between a residence-end device of the intercom system and a mobile communication device. The server device is able to forward the audio and video signals from the residence-end device to the mobile communication device through the Internet. Correspondingly, the voice, video, and control signals from the mobile communication device are passed to the server device which in turn feeds the signals to the voice, video, and control circuits of the residence-end device.
    • 提供了允许内部通信系统的音频和视频信号通过因特网扩展到移动通信设备的方法。 服务器装置用作对讲系统的住宅终端装置和移动通信装置之间的中继。 服务器设备能够通过因特网将来自住宅终端设备的音频和视频信号转发到移动通信设备。 相应地,来自移动通信设备的语音,视频和控制信号被传递到服务器设备,服务器设备又将信号馈送到终端设备的语音,视频和控制电路。
    • 4. 发明申请
    • INFLATABLE PROTECTIVE BAG
    • 充气防护袋
    • US20110052098A1
    • 2011-03-03
    • US12547508
    • 2009-08-26
    • Chi-Yuan Chang
    • Chi-Yuan Chang
    • B65D30/24
    • A45C13/021
    • An inflatable protective bag includes a housing sack, a gasbag, an inflation means, a check valve and a deflation valve. The gasbag is attached to an inner surface of the housing sack. The inflation means communicates with the gasbag through the check valve. The deflation valve is located on the gasbag. When the housing sack contains goods, air can be injected into the gasbag by the inflation means through the check valve to inflate the gasbag to provide resilient protection for the goods from being damaged. The air can be released from the gasbag by pushing the deflation valve to facilitate removing of the goods. Thus the inflatable protective bag can provide protection as desired.
    • 充气保护袋包括壳体袋,气囊,充气装置,止回阀和通气阀。 气囊被附接到壳体袋的内表面。 膨胀装置通过止回阀与气囊连通。 放气阀位于气囊上。 当住房袋包含货物时,空气可以通过充气装置通过止回阀注入气囊,以使气囊膨胀以提供弹性保护,以防止货物被损坏。 空气可以通过推动排气阀从气囊中释放,以便拆卸货物。 因此,可充气保护袋可根据需要提供保护。
    • 5. 发明申请
    • Pump structure connectable with an air cushion or a bladder
    • 泵结构可与气垫或气囊连接
    • US20090155098A1
    • 2009-06-18
    • US12379129
    • 2009-02-13
    • Chi-Yuan Chang
    • Chi-Yuan Chang
    • F04B43/06
    • F04B33/00F04B45/02
    • A pump structure connectable with an aircushion or a bladder. The pump structure includes: a flexible main body defining a valve room in which a relief valve is arranged and a compressible chamber; a one-way valve permitting the fluid to one-way flow into the chamber; and a thin membrane-type check valve. The check valve has a first end and a second end, which are operable between opened position and closed position. The first and second ends respectively communicate with the chamber and an output tube, which is connectable with the aircushion or bladder. The first and second ends of the check valve are respectively positioned in spaces provided by the chamber and the valve room. A substrate board is disposed under the flexible main body. The substrate board has a through hole and a notch formed on positions where the first and second ends of the check valve are formed.
    • 泵结构可与气缸或气囊连接。 泵结构包括:柔性主体,其限定安装有安全阀的阀室和可压缩室; 单向阀允许流体单向流入腔室; 和薄膜式止回阀。 止回阀具有可在打开位置和关闭位置之间操作的第一端和第二端。 第一和第二端分别与腔室和输出管连通,输出管可与气缸或气囊连接。 止回阀的第一和第二端分别位于由腔室和阀室提供的空间中。 衬底板设置在柔性主体下方。 基板具有形成在形成有止回阀的第一和第二端的位置处的通孔和凹口。
    • 9. 发明申请
    • Bladder-Inflating Structure
    • 膀胱充气结构
    • US20080304987A1
    • 2008-12-11
    • US11758403
    • 2007-06-05
    • Chi-Yuan Chang
    • Chi-Yuan Chang
    • F04B43/02
    • F04B33/00F04B45/02
    • A bladder-inflating structure including a resilient air chamber having a receiving space which can be reciprocally compressed and released. After released, the resilient air chamber itself can resiliently restore to its original state. An inflatable bladder is connected to one side of the resilient air chamber. An intake valve is disposed on the resilient air chamber. When the resilient air chamber is compressed and released, the intake valve only permits external air to one-way flow into the receiving space. A one-way membrane nozzle is disposed on one side of the resilient air chamber between the receiving space and the bladder. The one-way membrane nozzle is composed of two soft thin membranes. The peripheries of the soft thin membranes are partially fused with each other to define a fluid passage. The fluid passage has an inlet end extending into the receiving space and an outlet end extending into the bladder. The one-way membrane nozzle only permits the fluid to one-way flow from the receiving space of the resilient air chamber into the bladder to inflate the bladder.
    • 一种膀胱充气结构,包括具有能够相互压缩和释放的容纳空间的弹性空气室。 释放后,弹性空气室本身可以弹性恢复到其原始状态。 可膨胀的气囊连接到弹性空气室的一侧。 进气阀设置在弹性空气室上。 当弹性空气室被压缩和释放时,进气阀仅允许外部空气单向流入接收空间。 单向膜喷嘴设置在容纳空间和囊之间的弹性空气室的一侧。 单向膜喷嘴由两层软膜组成。 软薄膜的周边部分地彼此熔合以限定流体通道。 流体通道具有延伸到容纳空间中的入口端和延伸到气囊中的出口端。 单向膜喷嘴仅允许流体从弹性空气室的容纳空间单向流动到气囊中以使气囊膨胀。
    • 10. 发明申请
    • Pump structure easily and quickly connectable with an air cushion or a bladder
    • 泵结构可轻松快速地与气垫或气囊连接
    • US20070071623A1
    • 2007-03-29
    • US11232942
    • 2005-09-23
    • Chi-Yuan Chang
    • Chi-Yuan Chang
    • F04B43/00
    • F04B33/00F04B45/02
    • A pump structure easily and quickly connectable with an air cushion or a bladder. The pump structure includes a flexible main body defining a cavity. The main body is compressible and decompressible to reciprocally contract and expand the cavity for pumping a fluid. A one-way valve is mounted on a wall of the cavity, permitting external fluid to one-way flow into the cavity. A check valve and an output tube are connected with the main body. A conduit with a deflation valve is disposed on the flexible main body and communicates with the output tube to form a deflation passage. The output tube is selectively easily connectable with an air cushion or a bladder, whereby the fluid can be pumped from the cavity through the output tube into the air cushion or the bladder.
    • 泵结构可轻松快速地与气垫或气囊连接。 泵结构包括限定空腔的柔性主体。 主体是可压缩和可减压的以相互收缩和膨胀空腔以泵送流体。 单向阀安装在腔的壁上,允许外部流体单向流入空腔。 止回阀和输出管与主体相连。 具有放气阀的导管设置在柔性主体上并与输出管连通以形成通气通道。 输出管可选择性地容易地与气垫或气囊连接,由此可以将流体从空腔泵送通过输出管进入气垫或气囊。