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    • 3. 发明授权
    • Optical wavelength division multiplexing transmission network system using transmitting/receiving apparatuses having 2-input and 2-output optical path switching elements
    • 使用具有2输入和2输出光路交换元件的发射/接收装置的光波分复用传输网系统
    • US06643463B1
    • 2003-11-04
    • US09581998
    • 2000-06-21
    • Senichi SuzukiMasao KawachiKennosuke FukamiYuji AkatsuKazutosi KatoMitsuru HaradaJunichi AkahaniAtsushi Takahara
    • Senichi SuzukiMasao KawachiKennosuke FukamiYuji AkatsuKazutosi KatoMitsuru HaradaJunichi AkahaniAtsushi Takahara
    • H04J1402
    • H04J14/0282H04J14/02H04J14/0227H04Q11/0005H04Q2011/0016H04Q2011/0024H04Q2011/0032
    • An optical wavelength division multiplexing transmission network system having a star-topology network is disclosed, which comprises an arrayed-waveguide grating type multiplexing/demultiplexing circuit having N input ports and N output ports, and N transmitting/receiving apparatuses, each apparatus including a transmitter, receiver, demultiplexer, multiplexer, and N 2-input and 2-output optical path switching elements corresponding to N wavelengths, so as to cope with a damage to a transmitting or receiving portion corresponding to a specific wavelength. Each switching element is independently switched between first and second connective conditions. In the first connective condition, the output port corresponding to a specific wavelength of the demultiplexer is connected to the input port corresponding to the specific wavelength of the receiver, and the output port corresponding to a specific wavelength of the transmitter is connected to the input port corresponding to the specific wavelength of the multiplexer; and in the second connective condition, the output port corresponding to a specific wavelength of the transmitter is connected to the input port corresponding to the specific wavelength of the receiver, and the output port corresponding to a specific wavelength of the demultiplexer is connected to the input port corresponding to the specific wavelength of the multiplexer.
    • 公开了一种具有星形拓扑网络的光波分复用传输网络系统,其包括具有N个输入端口和N个输出端口的阵列波导光栅型复用/解复用电路,以及N个发射/接收设备,每个设备包括发射机 ,对应于N个波长的接收机,解复用器,多路复用器和N 2输入和2输出光路开关元件,以便应对对与特定波长相对应的发送或接收部分的损坏。 每个开关元件在第一和第二连接条件之间独立地切换。 在第一连接条件下,对应于解复用器的特定波长的输出端口连接到对应于接收机的特定波长的输入端口,并且对应于发射器的特定波长的输出端口连接到输入端口 对应于多路复用器的特定波长; 并且在第二连接条件下,对应于发射机的特定波长的输出端口连接到对应于接收机的特定波长的输入端口,并且对应于解复用器的特定波长的输出端口连接到输入端 端口对应于多路复用器的特定波长。
    • 4. 发明授权
    • Transparent touch panel and electronic equipment using the same
    • 透明触摸屏和电子设备使用相同
    • US06628268B1
    • 2003-09-30
    • US09629220
    • 2000-07-31
    • Mitsuru HaradaKazunori OmoyaKoji Hashimoto
    • Mitsuru HaradaKazunori OmoyaKoji Hashimoto
    • G09G500
    • G06F3/045G06F1/1626G06F1/1637G06F1/26G06F3/041G06F3/0488
    • A TTP comprising two substrates each provided with a transparent resistive-layer, and an insulating section formed on at least one of the transparent resistive-layers using an ultra violet curing resin or an electron beam curing resin. The glass transition temperature of the cured resin in the insulating section is not higher than 80° C., and the insulating section contains a methyl ethyl keton soluble component of not less than 5 weight % and not more than 80 weight %. Since the insulating section is cured at a low temperature, it may be formed on a plastic substrate whose heat-withstanding capability is low. The insulating section can be formed in any desired shape and it can be cured within a short curing time, which are quite advantageous properties for the production of TTPs in volume. The insulating section spreads only minimally during the curing operation, therefore the initial shape, if it is a fine pattern, can be well preserved. Since an acid, alkaline solution or organic solvent is not used for forming the insulating section in the present invention, TTPs thus manufactured are free from the safety problems on the production floor as well as the environmental hazards associated with the use of these chemicals. The same applies also to an electronic system that incorporates the TTP.
    • 一种TTP,其包括两个分别具有透明电阻层的基板和使用紫外线固化树脂或电子束固化树脂形成在至少一个透明电阻层上的绝缘部分。 绝缘部中的固化树脂的玻璃化转变温度不高于80℃,绝缘部分含有不小于5重量%且不大于80重量%的甲基乙基酮可溶成分。 由于绝缘部分在低温下固化,所以可以形成在耐热能力低的塑料基板上。 绝缘部分可以形成任何期望的形状,并且可以在短的固化时间内固化,这对于体积的TTP的生产是非常有利的特性。 绝缘部分在固化操作期间仅最小化,因此如果是精细图案,则初始形状可以很好地保持。 由于在本发明中不使用酸性,碱性溶液或有机溶剂来形成绝缘部分,因此制造的TTP没有生产地板上的安全问题以及与使用这些化学品相关的环境危害。 同样适用于包含TTP的电子系统。
    • 7. 发明申请
    • Variable division method and variable divider
    • 可变分割方法和可变分频器
    • US20060145736A1
    • 2006-07-06
    • US10545718
    • 2004-05-17
    • Mitsuru HaradaAkihiro Yamagishi
    • Mitsuru HaradaAkihiro Yamagishi
    • H03K23/00
    • H03K23/667H03K23/662
    • A feedback path (307) is formed between an output (310c) of a fixed divider (305) and a control terminal (310b) of an inverting/noninverting unit (304). A connection device (306) is arranged on the feedback path (307). The feedback path (307) is connected/disconnected according to the level of the control signal M from outside, thereby switching the number of divisions. The delay time of the signal given to the input terminal (310a) of the inverting/noninverting unit (304) to pass through the feedback path (307) and return to the control terminal (310b) is set greater than the pulse width of the input clock signal. A small pulse input invalidating function is provided in the fixed divider (305). Alternatively, a small pulse output prohibiting function is provided in the inverting/noninverting unit (304). The fixed divider (305) divides the clock signal before division from the inverting/noninverting unit (304) according to the leading edge of the clock pulse of the normal pulse width in the signal (a change point corresponding to the leading edge of the input clock signal).
    • 在固定分压器(305)的输出端(310c)和反相/同相单元(304)的控制端子(310b)之间形成反馈路径(307)。 连接装置(306)布置在反馈路径(307)上。 根据来自外部的控制信号M的电平,反馈路径(307)被连接/断开,从而切换分割数。 提供给反相/同相单元(304)的输入端子(310a)通过反馈路径(307)并返回到控制端子(310b)的信号的延迟时间被设置为大于脉冲宽度 的输入时钟信号。 在固定分压器(305)中提供小的脉冲输入无效功能。 或者,在反相/同相单元(304)中提供小的脉冲输出禁止功能。 固定分压器(305)根据信号中的正常脉冲宽度的时钟脉冲的前沿(与输入的前沿对应的变化点),将反相/同相单元(304)分频之前的时钟信号分频 时钟信号)。
    • 9. 发明授权
    • Complementary tuned mixer
    • 互补调谐混音器
    • US06239645B1
    • 2001-05-29
    • US09382123
    • 1999-08-24
    • Tsuneo TsukaharaMitsuru Harada
    • Tsuneo TsukaharaMitsuru Harada
    • G06G716
    • H03D7/1441H03D7/1458H03D7/1483H03D2200/0084
    • A mixer circuit for frequency conversion operates with low power supply voltage lower than 1 V. The circuit comprises a first pair of N-channel MOS transistors and a second pair of N-channel MOS transistors each receiving differential local frequency signal, and a third pair of P-channel MOS transistors receiving differential radio frequency signal. Each pair of transistors is coupled in series with a parallel resonance circuit which operates as a constant current source. A drain of each transistor of the third pair of transistors is connected to a junction of a first pair and a second pair of transistors and a parallel resonance circuit. An output intermediate frequency signal, which differs between the local frequency and the radio frequency, is obtained at the junction of drains of the first and the second pair of transistors and load resistors. No series connected transistor is inserted between a power source and a ground, and each pair of transistors is inserted between the power source and the ground essentially in parallel with one another.
    • 用于频率转换的混频器电路以低于1V的低电源电压工作。该电路包括第一对N沟道MOS晶体管和第二对N沟道MOS晶体管,每对N沟道MOS晶体管接收差分本征频率信号,第三对 的P沟道MOS晶体管接收差分射频信号。 每对晶体管与作为恒流源工作的并联谐振电路串联耦合。 第三对晶体管的每个晶体管的漏极连接到第一对和第二对晶体管与并联谐振电路的结。 在第一和第二对晶体管和负载电阻器的漏极的结处获得在本地频率和射频之间不同的输出中频信号。 没有串联连接的晶体管被​​插入在电源和地之间,并且每对晶体管彼此基本上彼此平行地插入电源和地之间。