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    • 151. 发明授权
    • Water proof cover for endoscope
    • 内窥镜防水盖
    • US4367730A
    • 1983-01-11
    • US202116
    • 1980-10-30
    • Hitoshi Tanaka
    • Hitoshi Tanaka
    • A61B1/00G02B23/26A61B1/06
    • A61B1/00142A61B1/00195
    • An endoscope is provided with a water proof cover on its eyepiece portion or its connector portion to be connected with a light source system. The water proof cover is provided with a smooth engaging face on the internal periphery near its open end to be liquid tightly engaged with a packing ring mounted on the endoscope. There is provided a protective cover above the packing ring to prevent the ring from being damaged while the cover is removed from the endoscope. In a preferred embodiment, the water proof cover is provided with a protective sleeve which is slid into the protecting position to cover and protect the smooth engaging face while the water proof cover is removed from the endoscope. In a further preferred embodiment, the water proof cover is made into such a form as to enable the diopter ring to be rotated with the cover mounted on the endoscope.
    • 内窥镜在其目镜部分或其连接器部分上设置有与光源系统连接的防水盖。 防水盖在其开口端附近的内周面上设置有光滑的接合面,以与安装在内窥镜上的密封环液体紧密接合。 在密封环上方设置保护盖,以防止在从内窥镜上取下盖时环被损坏。 在优选实施例中,防水盖设置有保护套,当保护罩从内窥镜移除时,保护套滑入保护位置以覆盖并保护光滑的接合面。 在另一优选实施例中,防水罩被制成使得屈光度环能够随着安装在内窥镜上的盖而旋转的形式。
    • 152. 发明授权
    • High dielectric constant type ceramic composition
    • 高介电常数陶瓷组合物
    • US4265668A
    • 1981-05-05
    • US89245
    • 1979-10-29
    • Shinobu FujiwaraKiyoshi FurukawaNobuaki KikuchiOsamu IizawaHitoshi Tanaka
    • Shinobu FujiwaraKiyoshi FurukawaNobuaki KikuchiOsamu IizawaHitoshi Tanaka
    • C04B35/499H01B3/12H01G4/12C04B35/46C04B35/00
    • C04B35/499H01B3/12H01G4/1263
    • A basic ceramic composition of high dielectric constant type ceramic composition comprises from 68.67 to 69.19% of PbO, from 3.67 to 4.09% of MgO, from 24.17 to 26.99% of Nb.sub.2 O.sub.5 and from 0.25 to 2.97% of TiO.sub.2, all percentages being by weight. Modified composition may comprise additive of Pb(Mn.sub.2/3 W.sub.1/3)O.sub.3, Pb(Mn.sub.1/3 Nb.sub.2/3)O.sub.3, Pb(Mn.sub.1/3 Ta.sub.2/3)O.sub.3, Pb(Mn.sub.1/2 W.sub.1/2)O.sub.3, MnO, and MgO. Modified composition may comprise Ba, Sr and Ca, which replace Pb of the basic ceramic composition. In a modified composition, the content of B site elements may be larger than that of A site element of an ABO.sub.3 crystal of the high dielectric constant type ceramic composition. A high dielectric constant, low dielectric loss, low temperature dependence of capacitance, high insulation resistance and a low sintering temperature are provided by the ceramic compositions of the present invention.
    • 高介电常数陶瓷组合物的基本陶瓷组合物包含68.67至69.19%的PbO,3.67至4.09%的MgO,24.17至26.99%的Nb2O5和0.25至2.97%的TiO2,所有百分比均为重量百分比。 改性组合物可以包括Pb(Mn2 / 3W1 / 3)O3,Pb(Mn1 / 3Nb2 / 3)O3,Pb(Mn1 / 3Ta2 / 3)O3,Pb(Mn1 / 2W1 / 2)O3,MnO和MgO 。 改性组合物可以包含替代碱性陶瓷组合物的Pb的Ba,Sr和Ca。 在改性组合物中,B位元素的含量可以大于高介电常数型陶瓷组合物的ABO 3晶体的A位元素的含量。 本发明的陶瓷组合物提供高介电常数,低介电损耗,低电容温度依赖性,高绝缘电阻和低烧结温度。
    • 156. 发明申请
    • DATA COMMUNICATION SYSTEM, METHOD OF OPTIMIZING PREAMBLE LENGTH, AND COMMUNICATION APPARATUS
    • 数据通信系统,优化前端的方法和通信设备
    • US20130016762A1
    • 2013-01-17
    • US13545977
    • 2012-07-10
    • Hitoshi Tanaka
    • Hitoshi Tanaka
    • H04L7/04H04B1/38
    • H04W56/0085H04W28/06
    • A frame is effectively transmitted and received by setting an optimal preamble length according to transmission environments between communication apparatuses. A data communication system includes a synchronization detection part to detect bit synchronization based on the preamble of the frame received to the second communication apparatus from the first communication apparatus, a synchronization position information generating part to generate synchronization position information of a position of the bit synchronization, which is in the frame received in the second communication apparatus, detected by the synchronization detection part, a preamble length calculating part to calculate an optimal value of a length of the preamble based on the synchronization position information, and a transmit command issuing part to issue a transmit command of transmission of the frame including the preamble having the length based on the optimal value from the first communication apparatus to the second communication apparatus.
    • 通过根据通信设备之间的传输环境设置最佳前导码长度来有效地发送和接收帧。 数据通信系统包括:同步检测部,其基于从第一通信装置接收到的第二通信装置的帧的前导码来检测比特同步;同步位置信息生成部,生成比特同步的位置的同步位置信息 在由同步检测部检测到的在第二通信装置中接收的帧中,基于同步位置信息计算前导码的长度的最佳值的前导码长度计算部,以及发送命令发布部, 基于最佳值从第一通信装置向第二通信装置发出包括具有长度的前导码的帧的发送发送命令。
    • 159. 发明申请
    • VEHICLE PRESENCE NOTIFICATION APPARATUS
    • 车辆存在通知装置
    • US20100231368A1
    • 2010-09-16
    • US12720252
    • 2010-03-09
    • Toshiaki NakayamaHitoshi Tanaka
    • Toshiaki NakayamaHitoshi Tanaka
    • B60Q1/00
    • B60Q5/00
    • A vehicle presence notification apparatus includes a modulating section to modulate an ultrasonic wave functioning as a carrier wave according to an audible sound; and a speaker to generate the audible sound as a notice sound by emitting the modulated ultrasonic wave in the air. As proceeding in the air, the modulated ultrasonic wave is gradually demodulated to thus become the audible sound. The audible sound posterior to the demodulation has a significant directivity like the ultrasonic wave. The notice sound is thus conveyed mainly to a pedestrian who is present in a dangerous area range where a danger needs to be taught. The sense of discomfort due to the notice sound is reduced for a pedestrian, who is not present in the dangerous area region or a person who is inside of another vehicle.
    • 车辆存在通知装置包括:调制部,其根据声音调制用作载波的超声波; 以及扬声器,通过在空气中发射调制的超声波来产生可听见的声音作为通知声音。 随着空气中的进行,调制超声波被逐渐解调,从而成为可听见的声音。 解调之后的可听声音具有如超声波的显着方向性。 因此,通知声音主要传达给存在于需要教导危险的危险区域范围内的行人。 对于不存在于危险区域的行人或其他车辆内的人员,由于通知声音引起的不适感减少。
    • 160. 发明授权
    • Reference voltage generating circuit
    • 基准电压发生电路
    • US07750726B2
    • 2010-07-06
    • US12230489
    • 2008-08-29
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • Hiroki FujisawaMasayuki NakamuraHitoshi Tanaka
    • G05F3/02G05F1/10
    • G05F3/30
    • A reference voltage generating circuit includes a current generating section, a voltage generating section, a voltage dividing circuit, and a synthesis section. The current generating section generates a first current having a positive temperature coefficient. The voltage generating section generates a voltage having a negative temperature coefficient. The voltage dividing circuit divides the voltage of the negative temperature coefficient, generated by the voltage generating section. The synthesis section generates a voltage which is the sum of a terminal voltage obtained on causing the first current through a resistor and a voltage obtained on dividing the voltage having the negative temperature coefficient by the voltage dividing circuit, and outputs the sum voltage generated as a reference voltage.
    • 参考电压产生电路包括电流产生部分,电压产生部分,分压电路和合成部分。 电流产生部分产生具有正温度系数的第一电流。 电压产生部分产生具有负温度系数的电压。 分压电路分压由电压产生部产生的负温度系数的电压。 合成部分产生电压,该电压是通过使通过电阻器的第一电流获得的端电压与通过分压电路分压具有负温度系数的电压获得的电压之和,并输出产生的和电压 参考电压。