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    • 3. 发明授权
    • Variable attenuator circuit
    • 可变衰减器电路
    • US5128566A
    • 1992-07-07
    • US431540
    • 1989-11-03
    • Mead C. KillionDonald L. Wilson
    • Mead C. KillionDonald L. Wilson
    • H03H11/24H04R25/00
    • H03H11/24H04R25/356H04R3/007
    • A current controlled variable attenuator circuit using a current controlled resistor is disclosed. In paticular, the current controlled resistor and attenuator are particularly suited for use in hearing aids due to the resistor's and attenuator's easy implementation in bipolar integrated circuits. The current controlled resistor and attenuator also has wide application to other circuitry requiring controlled variable resistance elements having a broader linear response than previously available. The current controlled resistor consists of transistors having inherent non-linear characteristics which can be linearized by adding appropriate compensation circuitry.
    • 公开了一种使用电流控制电阻器的电流控制可变衰减器电路。 由于电阻和衰减器在双极集成电路中的简单实现,电流控制电阻和衰减器特别适用于助听器。 电流控制的电阻和衰减器也广泛地应用于需要具有比先前可用的更广泛线性响应的受控可变电阻元件的其它电路。 电流控制电阻由具有固有非线性特性的晶体管组成,可通过添加适当的补偿电路进行线性化。
    • 4. 发明授权
    • Electrode isolation amplifier
    • 电极隔离放大器
    • US5099856A
    • 1992-03-31
    • US433633
    • 1989-11-08
    • Mead C. KillionDonald L. WilsonJonathan K. Stewart
    • Mead C. KillionDonald L. WilsonJonathan K. Stewart
    • A61B5/04A61B5/0476
    • A61B5/04004A61B5/0476
    • A system for detecting and transmitting body electrical signals in the presence of ambient electrical interference that uses a transmiter circuit including an amplifier coupled to and in close proximity to two or more body electrodes, a light pulse generator that receives its input from that amplifier and provides a pulse-duration-modulated series of light pulses, and a remote receiver including a transducer which demodulates the transmitted light pulses into electrical pulses of corresponding duration and frequency and a demodulator which accepts those electrical pulses and produces an amplified replica of the original signal developed between the body electrodes, thereby effectively providing complete electrical isolation of the electrode amplifier from the remaining bioelectrical signal analysis equipment. A valuable additional feature of the invention is a complete electrostatic shield around the amplifier-transmitter as well as the electode leads, so that the small amount of residual capacitive coupling to the amplifier circuit itself is effectively shunted to the same average (body) potential as that of the electrodes.
    • 一种用于在存在环境电气干扰的情况下检测和发送身体电信号的系统,该系统使用包括耦合到两个或多个身体电极并且非常接近两个或多个身体电极的放大器的发射器电路;光脉冲发生器,其从该放大器接收其输入并提供 脉冲持续时间调制的一系列光脉冲,以及远程接收机,其包括将传输的光脉冲解调为相应持续时间和频率的电脉冲的换能器以及接收那些电脉冲并产生原始信号的放大副本的解调器 从而有效地提供电极放大器与剩余的生物电信号分析设备的完全电隔离。 本发明的一个有价值的附加特征是放大器 - 发射器周围的完整的静电屏蔽以及电极引线,使得与放大器电路本身的少量残余电容耦合被有效地分流到相同的平均(体)电位 电极的。
    • 8. 发明授权
    • Container transport apparatus and method of use
    • 集装箱运输装置及使用方法
    • US06193124B1
    • 2001-02-27
    • US09298550
    • 1999-04-22
    • Glenn J. BrazilDonald L. Wilson
    • Glenn J. BrazilDonald L. Wilson
    • B60R900
    • B60R9/06
    • A carrier engagable with a hitch receiver, including a hitch receiver; an elongate frame; a tank receiving seat connected to the frame; a coupler shaft extending horizontally from the frame; and a receiver insert assembly comprising a receiver insert arranged for insertion into a hitch receiver and a support arm that extends substantially horizontally from the receiver insert for rotatably receiving the coupler shaft such that the frame is rotatable from a first upright position for receiving the tank to a second substantially horizontal position for supporting and transporting the tank.
    • 一个可搭载有接头的接收器,包括一个接头接收器; 细长的框架; 连接到框架的罐接收座; 从框架水平延伸的联轴器; 以及接收器插入组件,其包括布置成插入挂钩接收器中的接收器插入件和从接收器插件基本上水平延伸的支撑臂,用于可旋转地接收联接器轴,使得框架可从用于接收罐的第一直立位置旋转 用于支撑和运输罐的第二基本上水平的位置。
    • 10. 发明授权
    • Portable incinerator heat recovery device and method of use
    • 便携式焚烧炉热回收装置及其使用方法
    • US5619935A
    • 1997-04-15
    • US583826
    • 1996-01-11
    • Donald L. Wilson
    • Donald L. Wilson
    • F23G5/40F23G5/46F24D5/00F24D12/02F23G5/00
    • F23G5/46F23G5/40F24D12/02F24D2200/18F24D5/00Y02B30/14
    • A heat recovery device for use with a portable incinerator. The heat recovery device comprises first and second legs which support a heat exchanger thereon. An air flow path is formed from the bottom to the top of the first leg, through the heat exchanger and from the top to the bottom of the second leg. An open space is provided between the two legs and below the heat exchanger. A portable incinerator may be placed within this open space. When solid waste is burned within the incinerator, the exhaust port of the incinerator lies below the heat exchanger. A blower attached to the lower portion of the first leg creates air flow through the heat recovery device such that the air is heated in the heat exchanger by heat produced from the exhaust port of the portable incinerator. A tube is then coupled to the second leg in order to direct the heated air flow to the interior of an adjacent building. The present invention therefore allows solid waste to be burned and the heat thereby produced is recovered for heating of the building. However, it is not necessary to exit the building every time it is desired to dispose of solid waste. Instead, the solid waste is collected within the portable incinerator inside the building and the portable incinerator is installed in the heat recovery device only when a sufficient quantity of solid waste has been collected for incineration.
    • 一种用于便携式焚化炉的热回收装置。 热回收装置包括在其上支撑热交换器的第一和第二腿部。 从第一腿的底部到顶部,通过热交换器和从第二腿的顶部到底部形成空气流动通道。 在两条腿之间和热交换器下面设置一个开放空间。 便携式焚烧炉可以放置在该开放空间内。 当焚烧炉内固体废物燃烧时,焚化炉的排气口位于热交换器的下方。 附接到第一腿部的下部的鼓风机产生通过热回收装置的空气流,使得空气在热交换器中被从便携式焚烧炉的排气口产生的热量加热。 然后将管连接到第二腿以便将加热的空气流引导到相邻建筑物的内部。 因此,本发明允许固体废物被燃烧,并且回收由此产生的热量来加热建筑物。 但是,每当需要处置固体废物时,都不必退出建筑物。 相反,固体废物被收集在建筑物内的便携式焚烧炉内,并且只有当已经收集足够量的固体废物用于焚烧时,便携式焚烧炉才安装在热回收装置中。