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    • 1. 发明专利
    • Power supply system
    • 电源系统
    • JP2012195113A
    • 2012-10-11
    • JP2011057244
    • 2011-03-15
    • Toshiba Corp株式会社東芝
    • OSHIRO TOMOHIKOTAKAMI MASAYUKI
    • H01R13/703H01R13/713
    • PROBLEM TO BE SOLVED: To provide a power supply system which can improve safety of the system when a connector is removed or inserted in it and the durability of the connector.SOLUTION: A connector 3 of a power supply system in the present embodiment of the invention comprises a housing 32 covering the outside of a connector plug 31 of a LAN cable 5 and a lock/release detection part 42 which detects whether the housing 32 is locked to an apparatus body. A master unit 1 of the power supply system, when a locked state is detected by the lock/release detection part 42 of the connector 3 on the master unit side, turns on a power supply line which supplies power to a slave unit 2 and, when a released state is detected, turns the power supply line off. The slave unit 2, when a locked state is detected by the lock/release detection part 42 of the connector 3 on the slave unit side, turns on a power supply line through which it receives power supply from the master unit 1 and, when a released state is detected, turns the power supply line off.
    • 要解决的问题:提供一种电源系统,其可以在连接器被移除或插入其中时提高系统的安全性以及连接器的耐用性。 解决方案:本发明的本实施例的电源系统的连接器3包括覆盖LAN电缆5的连接器插头31的外部的壳体32和锁定/释放检测部分42,该锁定/释放检测部分42检测壳体 32被锁定到装置主体。 电源系统的主单元1当主单元侧的连接器3的锁定/释放检测部分42检测到锁定状态时,接通向从单元2供电的电源线, 当检测到释放状态时,关闭电源线。 从属单元2在从单元侧的连接器3的锁定/释放检测部分42检测到锁定状态时,接通从主单元1接收电力供应的电源线,并且当 检测到释放状态,关闭电源线。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Rof system and slave device installation method
    • ROF系统和从设备安装方法
    • JP2008135955A
    • 2008-06-12
    • JP2006320372
    • 2006-11-28
    • Toshiba Corp株式会社東芝
    • TAKAMI MASAYUKIKUSAMA KATSUMI
    • H04B7/24H04B7/26H04W24/04
    • PROBLEM TO BE SOLVED: To avoid the whole interruption of services when master station devices of a ROF (radio over fiber) system installed for a dead area countermeasure of a portable telephone base station fails or is subjected to maintenance. SOLUTION: In the ROF system 1, a radio communication signal from the portable telephone base station 2 is branched into two systems and output to the master station stations a and b. The radio communication signal is converted into optical signals by the master station devices a and b and transmitted to slave station devices a-1 to a-N and b-1 to b-N of respective floors through an optical fiber 4. The slave station devices reconvert the optical signal into a radio communication signal and radiate the radio communication signal from antennas a1-1 to al-N and b1-1 to b1-N installed in the slave station devices. Thus, the radio communication signal of the two systems is independently operated in each floor. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了便携式电话基站的死区对抗安装的ROF(光纤无线电)系统的主站设备出现故障或维护时,避免了服务的全部中断。 解决方案:在ROF系统1中,来自便携式电话基站2的无线电通信信号被分支为两个系统并输出到主站站a和b。 无线电通信信号由主站装置a和b转换成光信号,并通过光纤4发送到各个楼层的从站装置a-1至aN和b-1至bN。从站装置将光 信号发送到无线电通信信号中,并且从安装在从站设备中的天线a1-1至al-N和b1-1至b1-N辐射无线电通信信号。 因此,两个系统的无线电通信信号在每个楼层中独立地操作。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Optical switch device and control method thereof
    • 光开关器件及其控制方法
    • JP2003295075A
    • 2003-10-15
    • JP2002101557
    • 2002-04-03
    • Toshiba Corp株式会社東芝
    • TAKAMI MASAYUKI
    • G02B26/08H04Q3/52
    • PROBLEM TO BE SOLVED: To provide an optical switch device capable of increasing the resistivity of disturbance and thereby operating stably and a control method thereof. SOLUTION: Photo detectors 11, 12 are formed on the end faces of focusing lenses 113, 115 on the exit path sides of the light. The photo detectors 11, 12 are provided with 4-split type light receiving elements a-d which have a space arranged in the center to surround the passage of the light, and moreover, to block off the peripheral part of parallel beams. Then, an optical axis misalignment detecting part 15 detects the positions of the parallel beams from the output signals of the light receiving elements a-d, and a mirror control part 16 performs feedback control of angular adjustments of reflection mirrors 107, 108 and 110, 111. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种能够提高干扰电阻并由此稳定运行的光开关装置及其控制方法。 解决方案:光检测器11,12形成在聚光透镜113,115的出射光路两侧的端面上。 光检测器11,12设置有四分割型光接收元件a-d,其具有围绕光通过的中心空间,并且还阻挡平行光束的周边部分。 然后,光轴未对准检测部15从光接收元件ad的输出信号检测平行光束的位置,镜面控制部16进行反射镜107,108,110,111的角度调整的反馈控制。 版权所有(C)2004,JPO
    • 7. 发明专利
    • JPH05292100A
    • 1993-11-05
    • JP8893492
    • 1992-04-09
    • TOSHIBA CORP
    • TAKAMI MASAYUKI
    • H04L29/14H04L12/24H04L12/26H04L12/40
    • PURPOSE:To prevent a fault from affecting other units by directly controlling a data output state and a data output inhibit state by a window signal and successively assigning data output periods to the states. CONSTITUTION:A control unit 3 generates the synchronizing signal of a preliminarily set frequency and generates N window signals by performing at least N divisions of the synchronizing signal. Each window signal is directly supplied to electronic circuit units 21 to 2N through exclusive transmission lines 41 4N, respectively. In this case, AND gate circuits 51 to 5n of all bits are opened for the period when the window signals are in a high level. As a result, n-bit parallel data is possible to be transmitted to a bus line 1. For the period when the window signal are in a low level, the AND gate circuits 51 to 5n of all bits are closed. As a result, the data transmission becomes an inhibit state.
    • 10. 发明专利
    • Optical receiving circuit
    • 光接收电路
    • JPS58215837A
    • 1983-12-15
    • JP9876282
    • 1982-06-09
    • Toshiba Corp
    • TAKAMI MASAYUKI
    • H04B10/556H03K5/08H04B10/272H04B10/524H04L25/03
    • H04B10/695
    • PURPOSE:To discriminate an optical receiving signal stably at all times, by giving the optical receiving signal to one of positive and negative input terminals of a comparator and giving the signal to the other terminal of the positive and negative input terminals via a delay circuit. CONSTITUTION:The optical receiving signal is given to the positive input terminal of the comparator 11 via an input resistor 14 and to the negative input terminal via an input resistor 16 after the signal is given for a delay of a prescribed time via a delay circuit 15. Further, an output signal of positive and negative output terminals of the comparator 11 is fed back positively via resistors 12 and 13 to the positive and negative input terminals respectively. Thus, the detection and discrimination of the optical receiving signal is attained stably in following to a rapid fluctuation of the optical receiving signal without being subject to the adverse effect such as temperature drift or the like.
    • 目的:通过给比较器的正输入端和负输入端之一给出光接收信号,并通过延迟电路给正,负输入端的另一端提供信号,从而稳定地区分光接收信号。 构成:通过输入电阻14将光接收信号经由输入电阻器16经由输入电阻器16给予比较器11的正输入端子,经由延迟电路15给出延迟规定时间的信号 此外,比较器11的正和负输出端的输出信号通过电阻器12和13分别反馈到正输入端和负输入端。 因此,在接收到光接收信号的快速波动的同时不受诸如温度漂移等不利影响的影响,稳定地获得光接收信号的检测和鉴别。