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    • 1. 发明申请
    • Complete autorefractor system in an ultra-compact package
    • 在超紧凑的包装中完成自动折射系统
    • US20050110951A1
    • 2005-05-26
    • US10946700
    • 2004-09-22
    • Don YanceyLeonard SchupakCharles Campbell
    • Don YanceyLeonard SchupakCharles Campbell
    • A61B3/103A61B3/12A61B3/15A61B3/10
    • A61B5/14546A61B3/103A61B3/156
    • An autorefractor system in an ultra-compact package is described for rapidly and objectively measuring the refractive state of the eye. The autorefractor detector system, in conjunction with a secondary light source, uses one photodetector such as a charge coupled device (“CCD”) or one photodiode, to intercept a light beam at two distances from a secondary retinal light source created by one relay lens, one pupil emitter conjugate lens and one pupil detector conjugate lens, as well as a field lens. The signals produced by the photodetector are used to determine the full spherocylindrical refraction of the eye. A novel illumination and imaging system provides multiple capabilities to image the eye, control accommodation, and acquire and maintain optical alignment, while obtaining other measurements of the eye.
    • 描述了一种超紧凑型封装中的自动折射系统,用于快速和客观地测量眼睛的折射状态。 自动折射检测器系统与次级光源一起使用一个光电检测器,例如电荷耦合器件(“CCD”)或一个光电二极管,以拦截距离由一个中继透镜产生的次级视网膜光源两个距离的光束 ,一个瞳孔发射体共轭透镜和一个瞳孔检测器共轭透镜,以及场透镜。 由光电检测器产生的信号用于确定眼睛的全部轴向圆柱形折射。 一种新颖的照明和成像系统提供多种能力来对眼睛进行成像,控制调节,并获取和维持光学对准,同时获得眼睛的其他测量。
    • 2. 发明授权
    • Positioning system and method
    • 定位系统及方法
    • US5952958A
    • 1999-09-14
    • US86900
    • 1998-05-29
    • Jerry A. SpeaslLeonard Schupak
    • Jerry A. SpeaslLeonard Schupak
    • G01S19/39G01S19/02G01S19/11G01S19/42G01S5/02H04B7/185
    • G01S19/11
    • A positioning system for locating objects in places where standard Global Position System signals do not penetrate. A first embodiment uses a GPS receiver and a clock recovery unit. A computer receives the positional information and accurate time information. The computer calculates new orbital data for at least four pseudosatellites. The pseudosatellites are antennas positioned in an interior or shielded space and function to send pseudosatellite data to a receiver. In a second embodiment, the positions of the pseudosatellites are provided to the computer without the use of a GPS receiver. An accurate clock signal is also provided. The computer calculates orbital data for each pseudosatellite and transmits the time signal and ephemeris data for each pseudosatellite. The time signal is delayed for each pseudosatellite to account for propagation delays due to different connecting cable lengths.
    • 用于在标准全球定位系统信号不穿透的位置定位物体的定位系统。 第一实施例使用GPS接收器和时钟恢复单元。 计算机接收位置信息和准确的时间信息。 计算机计算至少四个伪卫星的新的轨道数据。 伪卫星是位于内部或屏蔽空间中的天线,并且用于向接收机发送伪卫星数据。 在第二实施例中,伪卫星的位置被提供给计算机而不使用GPS接收机。 还提供了精确的时钟信号。 计算机计算每个伪卫星的轨道数据,并发送每个伪卫星的时间信号和星历数据。 由于不同的连接电缆长度,每个伪卫星的时间信号被延迟以解释传播延迟。
    • 3. 发明授权
    • Complete autorefractor system in an ultra-compact package
    • 在超紧凑的包装中完成自动折射系统
    • US07481535B2
    • 2009-01-27
    • US10946700
    • 2004-09-22
    • Don R. YanceyLeonard SchupakCharles E. Campbell
    • Don R. YanceyLeonard SchupakCharles E. Campbell
    • A61B3/10A61B3/00
    • A61B5/14546A61B3/103A61B3/156
    • An autorefractor system in an ultra-compact package is described for rapidly and objectively measuring the refractive state of the eye. The autorefractor detector system, in conjunction with a secondary light source, uses one photodetector such as a charge coupled device (“CCD”) or one photodiode, to intercept a light beam at two distances from a secondary retinal light source created by one relay lens, one pupil emitter conjugate lens and one pupil detector conjugate lens, as well as a field lens. The signals produced by the photodetector are used to determine the full spherocylindrical refraction of the eye. A novel illumination and imaging system provides multiple capabilities to image the eye, control accommodation, and acquire and maintain optical alignment, while obtaining other measurements of the eye.
    • 描述了一种超紧凑型封装中的自动折射系统,用于快速和客观地测量眼睛的折射状态。 自动折射检测器系统与次级光源一起使用一个光电检测器,例如电荷耦合器件(“CCD”)或一个光电二极管,以拦截距离由一个中继透镜产生的次级视网膜光源两个距离的光束 ,一个瞳孔发射体共轭透镜和一个瞳孔检测器共轭透镜,以及场透镜。 由光电检测器产生的信号用于确定眼睛的全部轴向圆柱形折射。 一种新颖的照明和成像系统提供多种能力来对眼睛进行成像,控制调节,并获取和维持光学对准,同时获得眼睛的其他测量。
    • 5. 发明授权
    • Amplifier circuit
    • 跨导放大电路采用输入信号调制放大
    • US5414392A
    • 1995-05-09
    • US112194
    • 1993-08-26
    • Leonard Schupak
    • Leonard Schupak
    • H03B5/24H03C3/16H03C3/00
    • H03B5/24H03C3/16Y10S128/902Y10S128/903Y10S128/904
    • An electrical circuit comprising means for receiving an input signal for encoding or modulating and amplification. Multiple amplification stages including at least one transconductance amplifier are provided. There are means for having the input signal modulate the oscillator constituted by the multiple amplification stages to provide a 360.degree. phase-shifted signal at a predetermined frequency. Gain control means are also provided for developing level for permitting oscillation under conditions including at least the conditions of turn on of the circuit and other operating conditions. The gain control means includes a transistor and resistor network for adjusting the gain to sustain the oscillation. The transistor and resistor also regulate amplification of an intermediate stage of the amplifier. The preamplifier directly converts an EKG and/or other signals to linearized control currents which modulate the oscillator.
    • 一种电路,包括用于接收用于编码或调制和放大的输入信号的装置。 提供包括至少一个跨导放大器的多个放大级。 具有使输入信号调制由多个放大级构成的振荡器以提供预定频率的360度相移信号的装置。 还提供增益控制装置用于在包括至少电路的接通条件和其他操作条件的条件下允许振荡的开发电平。 增益控制装置包括用于调节增益以维持振荡的晶体管和电阻网络。 晶体管和电阻也调节放大器中间级的放大。 前置放大器将EKG和/或其他信号直接转换为调制振荡器的线性化控制电流。
    • 6. 发明授权
    • Positioning system and method
    • 定位系统及方法
    • US5815114A
    • 1998-09-29
    • US628360
    • 1996-04-05
    • Jerry A. SpeaslLeonard Schupak
    • Jerry A. SpeaslLeonard Schupak
    • G01S19/39G01S19/02G01S19/11G01S19/42G01S5/02H04B7/185
    • G01S19/11
    • A positioning system for locating objects in places where standard Global Position System signals do not penetrate. A first embodiment uses a GPS receiver and a clock recovery unit. A computer receives the positional information and accurate time information. The computer calculates new orbital data for at least four pseudosatellites. The pseudosatellites are antennas positioned in an interior or shielded space and function to send pseudosatellite data to a receiver. In a second embodiment, the positions of the pseudosatallites are provided to the computer without the use of a GPS receiver. An accurate clock signal is also provided. The computer calculates orbital data for each pseudosatellite and transmits the time signal and ephemeris data for each pseudosatellite. The time signal is delayed for each pseudosatellite to account for propagation delays due to different connecting cable lengths.
    • 用于在标准全球定位系统信号不穿透的位置定位物体的定位系统。 第一实施例使用GPS接收器和时钟恢复单元。 计算机接收位置信息和准确的时间信息。 计算机计算至少四个伪卫星的新的轨道数据。 伪卫星是位于内部或屏蔽空间中的天线,并且用于向接收机发送伪卫星数据。 在第二实施例中,假电石的位置被提供给计算机而不使用GPS接收器。 还提供了精确的时钟信号。 计算机计算每个伪卫星的轨道数据,并发送每个伪卫星的时间信号和星历数据。 由于不同的连接电缆长度,每个伪卫星的时间信号被延迟以解释传播延迟。