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1. 发明授权

US09285560B2 Method and device for manufacturing optical transmission device, and optical transmission device 有权
标题翻译：光传输装置制造方法及装置及光传输装置
公开(公告)号：US09285560B2
公开(公告)日：2016-03-15
申请号：US14136218
申请日：2013-12-20
申请人： FUJITSU LIMITED
发明人： Kohei Choraku , Daisuke Usui , Masahiro Iwama , Takahiro Ooi , Tetsuro Yamada
IPC分类号： G02B6/42 , G02B6/46 , G02B21/36 , G02B6/43
CPC分类号： G02B6/46 , G02B6/4214 , G02B6/4221 , G02B6/43 , G02B21/36 , Y10T29/49769 , Y10T29/53022
摘要： A method for manufacturing an optical transmission device, includes: arranging a plurality of optical waveguides including waveguide mirrors, a transmission-side optical module and a reception-side optical module on one side of a substrate; photographing, with a photographic device, at least one waveguide mirror, and the transmission-side optical module or the reception-side optical module corresponding to the waveguide mirror, from another side of the substrate via an opening formed in the substrate; detecting optical-axis centers of the transmission-side optical module or optical-axis centers of the reception-side optical module, and central positions of reflective surfaces of the waveguide mirrors corresponding to the detected optical-axis centers, from a result of the photographing; and aligning and fixing a position relationship between the optical waveguides and the transmission-side optical module or the reception-side optical module based on a result of the detecting.
摘要翻译：一种光传输装置的制造方法，其特征在于，包括：在基板的一侧配置多个波导管，包括波导反射镜，透射侧光学模块和接收侧光学模块; 通过形成在基板中的开口从基板的另一侧，利用照相装置拍摄至少一个波导反射镜和对应于波导反射镜的发送侧光学模块或接收侧光学模块; 根据拍摄结果，检测发送侧光学模块的光轴中心或接收侧光学模块的光轴中心以及与所检测的光轴中心对应的波导反射镜的反射表面的中心位置 ; 并且基于检测结果对准和固定光波导与发射侧光学模块或接收侧光学模块之间的位置关系。

2. 发明授权

US10284302B2 Optical transmitter 有权
公开(公告)号：US10284302B2
公开(公告)日：2019-05-07
申请号：US15987203
申请日：2018-05-23
申请人： FUJITSU LIMITED
发明人： Shigeki Kawaai , Yoshiharu Yoshizawa , Manabu Yamazaki , Daisuke Usui
IPC分类号： H04B10/516
摘要： An optical transmitter includes an optical modulator that includes a first phase shifter for a most significant bit, a second phase shifter for a least significant bit, and a third phase shifter for fine adjustment, the first phase shifter, the second phase shifter, and the third phase shifter are disposed along an optical waveguide, and a drive circuit that includes a first driver that drives the first phase shifter, a second driver that drives the second phase shifter, and a third driver that drives the third phase shifter, wherein a drive polarity of the third driver is adjustable in a positive direction and a negative direction, and the third phase shifter adjusts an amount of phase change of the optical modulator in a positive direction or a negative direction based on a drive voltage inputted from the third driver.

3. 发明授权

US09331752B2 Memory including wireless communication capability 有权
标题翻译：存储器包括无线通信能力
公开(公告)号：US09331752B2
公开(公告)日：2016-05-03
申请号：US14328039
申请日：2014-07-10
申请人： FUJITSU LIMITED
发明人： Daisuke Usui , Makoto Suwada
IPC分类号： H04B5/00
CPC分类号： H04B5/0075 , H04B5/0031
摘要： A memory includes a control layer that includes a first radio communication unit that performs radio communication and a control unit that controls the radio communication; and a memory layer that includes a second radio communication unit that performs the radio communication with the first radio communication unit and a first storage unit that stores information, the memory layer being provided on the control layer.
摘要翻译：存储器包括：控制层，包括执行无线电通信的第一无线电通信单元和控制无线电通信的控制单元; 以及存储层，其包括执行与第一无线电通信单元的无线电通信的第二无线电通信单元和存储信息的第一存储单元，该存储层设置在控制层上。

4. 发明申请

US20180343064A1 OPTICAL TRANSMITTER 审中-公开
公开(公告)号：US20180343064A1
公开(公告)日：2018-11-29
申请号：US15987203
申请日：2018-05-23
申请人： FUJITSU LIMITED
发明人： Shigeki Kawaai , Yoshiharu Yoshizawa , Manabu Yamazaki , Daisuke Usui
IPC分类号： H04B10/516
CPC分类号： H04B10/516
摘要： An optical transmitter includes an optical modulator that includes a first phase shifter for a most significant bit, a second phase shifter for a least significant bit, and a third phase shifter for fine adjustment, the first phase shifter, the second phase shifter, and the third phase shifter are disposed along an optical waveguide, and a drive circuit that includes a first driver that drives the first phase shifter, a second driver that drives the second phase shifter, and a third driver that drives the third phase shifter, wherein a drive polarity of the third driver is adjustable in a positive direction and a negative direction, and the third phase shifter adjusts an amount of phase change of the optical modulator in a positive direction or a negative direction based on a drive voltage inputted from the third driver.

5. 发明授权

US09788415B2 Circuit board, electronic device, and method of manufacturing circuit board 有权
公开(公告)号：US09788415B2
公开(公告)日：2017-10-10
申请号：US15096680
申请日：2016-04-12
申请人： FUJITSU LIMITED
发明人： Megumi Tanaka , Daisuke Usui
IPC分类号： H05K1/02 , H05K3/00 , H01R12/71 , H05K1/11 , H01R12/58 , H01R12/70 , H01R12/73
CPC分类号： H05K1/0251 , H01R12/585 , H01R12/7082 , H01R12/737 , H05K1/115 , H05K1/142 , H05K3/0047 , H05K3/429 , H05K2201/09545 , H05K2201/096 , H05K2201/10189 , H05K2201/10303 , H05K2201/1059 , H05K2203/0207 , H05K2203/1476
摘要： A circuit board includes: a first surface and a second surface opposite to the first surface; a through hole extending between the first surface and the second surface; a conductor covering an inner wall surface of the through hole, a first end and a second end of the conductor being terminated inside the through hole; and a wire connected to the conductor, wherein a sum of a length from a contact portion where the conductor contacts a connector pin inserted in the through hole to the first end of the conductor, and a length from a wire connecting portion where the conductor is connected to the wire to the second end of the conductor is 0.5 mm or less.

6. 发明授权

US09374163B2 Optical waveguide substrate and information processing device 有权
标题翻译：光波导基板和信息处理装置
公开(公告)号：US09374163B2
公开(公告)日：2016-06-21
申请号：US14472459
申请日：2014-08-29
申请人： FUJITSU LIMITED
发明人： Daisuke Usui , Kohei Choraku , Masahiro Iwama
IPC分类号： H04B10/25 , G02B6/42 , G02B6/43
CPC分类号： H04B10/2504 , G02B6/421 , G02B6/4214 , G02B6/43
摘要： An optical waveguide substrate includes: a substrate body in which an optical waveguide is formed; a cable holding part configured to have a cable holding hole into which a signal cable is inserted, the signal cable having one of an incidence part and an emission part that is arranged so as to face the optical waveguide and having a first magnetic part; and a second magnetic part configured to generate a repulsive force in the cable holding hole in association with the first magnetic part.
摘要翻译：光波导基板包括：形成光波导的基板主体; 电缆保持部，其构成为具有插入有信号电缆的电缆保持孔，所述信号电缆具有被配置为面对所述光波导并具有第一磁性部的入射部和发射部中的一个; 以及第二磁性部件，其构造成在与所述第一磁性部件相关联地在所述电缆保持孔中产生排斥力。

7. 发明授权

US09360639B2 Electronic device and optical connector 有权
标题翻译：电子设备和光连接器
公开(公告)号：US09360639B2
公开(公告)日：2016-06-07
申请号：US14179596
申请日：2014-02-13
申请人： FUJITSU LIMITED
发明人： Kohei Choraku , Tetsuro Yamada , Takahiro Ooi , Masahiro Iwama , Daisuke Usui
IPC分类号： G02B6/42 , G02B6/43
CPC分类号： G02B6/423 , G02B6/4231 , G02B6/4249 , G02B6/43
摘要： An electronic device includes a board including an electronic component, a plurality of optical interface units that include an optical element which input or output light and that are provided on the board, and a plurality of individual positioning units that position a plurality of respective optical waveguides which are separate from each other at least at tip portions on a side of the optical interface units and which are optically aligned with the optical element with respect to the optical interface units independently from each other.
摘要翻译：一种电子装置，包括：包括电子部件的板，包括输入或输出光并设置在所述板上的光学元件的多个光学接口单元;以及多个单独的定位单元，其定位多个相应的光波导它们至少在光学接口单元一侧的尖端部分彼此分离，并且彼此相对于光学接口单元与光学元件光学对准。

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