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    • 12. 发明授权
    • Apparatus for saving power consumption of a portable electronic device
    • 用于节省便携式电子设备的功耗的设备
    • US06522902B2
    • 2003-02-18
    • US09019589
    • 1998-02-06
    • Toshiyuki NishiharaSusumu UriyaMasahiro Fujii
    • Toshiyuki NishiharaSusumu UriyaMasahiro Fujii
    • H04B138
    • H01M10/4207H01M6/5016H02J7/0024
    • A battery pack for containing a plurality of cells and being attached to an electronic device comprises a plurality of switches for switching connection status of the cells between parallel connection and series connection. In the case of a battery pack containing a first cell and a second cell, the battery pack comprises a first wire for connecting the positive pole of the first cell and the positive pole of the second cell, a second wire for connecting the negative pole of the first cell and the negative pole of the second cell, a third wire for connecting the negative pole of the first cell and the positive pole of the second cell, a first switch for connecting/disconnecting the first wire, a second switch for connecting/disconnecting the second wire, and a third switch for connecting/disconnecting the third wire. The cells are connected in series when high voltage is needed, and in parallel otherwise. According to the battery pack, wastage of power consumption is reduced and continuous use time length of electronic devices such as portable telephones, portable data communication devices, etc. can be extended.
    • 用于容纳多个单元并附接到电子设备的电池组包括用于在并联和串联连接之间切换单元的连接状态的多个开关。 在包含第一单元和第二单元的电池组的情况下,电池组包括用于连接第一单元的正极和第二单元的正极的第一导线,用于连接第二单元的负极的第二导线 第二单元的第一单元和负极,用于连接第一单元的负极和第二单元的正极的第三导线,用于连接/断开第一导线的第一开关,用于连接/ 断开第二线,以及用于连接/断开第三线的第三开关。 当需要高电压时,电池串联连接,否则并联。 根据电池组,能够减少功耗的浪费,能够延长便携式电话,便携式数据通信装置等电子设备的连续使用时间。
    • 18. 发明授权
    • Folded printed wiring board structure with electromagnetic shield
    • 带电磁屏蔽的折叠印刷线路板结构
    • US5519578A
    • 1996-05-21
    • US254781
    • 1994-06-06
    • Masahiro Fujii
    • Masahiro Fujii
    • H05K1/02H05K1/18H05K3/00H05K9/00H05K1/14
    • H05K1/189H05K2201/042H05K2201/10371H05K2201/10515H05K2201/2009H05K3/0058
    • A printed wiring board structure includes a printed wiring board and an electromagnetic shielding member. The printed wiring board has a part-mounted surface formed on one surface thereof, a ground surface formed on a reverse surface side to the part-mounted surface, and an exploded shape including at least a portion constituted by a flexible printed wiring board, and bottom and upper surface portions which are divided from each other by the flexible printed wiring board. The printed wiring board is folded at a portion constituted by the flexible printed wiring board to cause the part-mounted surface to face inside and to make the bottom surface portion parallel to the upper surface portion, thereby constituting a stereoscopic structure having two wiring layers. The electromagnetic shielding member is parallelly arranged between opposing part-mounted surfaces of the bottom and upper surface portions of the printed wiring board in which the stereoscopic structure is constituted.
    • 印刷电路板结构包括印刷线路板和电磁屏蔽构件。 印刷布线板具有形成在其一个表面上的部件安装表面,在与零件安装表面相反的表面侧上形成的接地表面和至少包括由柔性印刷电路板构成的部分的分解形状,以及 通过柔性印刷电路板彼此分开的底表面部分和上表面部分。 印刷布线板在由柔性印刷布线板构成的部分折叠,使部件安装表面面向内部,并使底面部分平行于上表面部分,从而构成具有两个布线层的立体结构。 电磁屏蔽构件平行地布置在其中构成立体结构的印刷线路板的底表面部分和上表面部分的相对的部分安装表面之间。