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    • 3. 发明申请
    • UNLOCKER DEVICE AND SECRET IDENTIFIER FOR THE LOCK OF THE CAR MODEL FIESTA, AND OTHER SIMILAR LOCKS
    • 汽车模型FIESTA的锁定装置和秘密识别器以及其他类似的锁
    • WO1998023829A1
    • 1998-06-04
    • PCT/BR1997000065
    • 1997-10-30
    • DOS SANTOS, Abel, Ferreira
    • E05B19/20
    • E05B19/205
    • This invention is related to a "unlocker device and secret identifier for the lock of the car model Fiesta and other similar locks", whose finality is identifying the size of the bolts ("gorjas") which composes the secret of the lock cylinders of the car model Fiesta, and other car models which use the same "gorja" systems, turning possible making another original key without the necessity of spearkeying or dismantling the car lock, when the original key is lost; it contains a cylinder starting key (1) and a "gorja" alignment key (4); the cylinder starting key (1) has a reference guide (8), which indicates the position of the "gorja" aligner (2) at the opening of the cylinder head (5); the reference guide (8) has six lines which imitate the six cylinder "gorjas"; the cylinder starting key (1) has a numeration (10) that shows the size of the key teeth to be made.
    • 本发明涉及“解锁装置和用于汽车模型Fiesta和其他类似锁的锁的秘密标识符”,其最终性是识别螺栓(“gorjas”)的尺寸,该螺栓(“gorjas”)构成 汽车模型嘉年华和其他使用相同“gorja”系统的汽车模型,当原始钥匙丢失时,可能会产生另一个原始钥匙,而不需要使用矛形钥匙或拆卸车锁; 它包含一个气缸启动键(1)和一个“gorja”对准键(4); 气缸起动键(1)具有参考引导件(8),其指示“气动”对准器(2)在气缸盖(5)的开口处的位置; 参考指南(8)有六条线,模仿六缸“gorjas”; 气缸起动键(1)具有表示要制造的键齿的尺寸的数字(10)。
    • 6. 发明授权
    • Scintillation data collecting apparatus and method
    • 闪烁数据采集装置及方法
    • US5309357A
    • 1994-05-03
    • US826796
    • 1992-01-28
    • Iain StarkAbel Ferreira
    • Iain StarkAbel Ferreira
    • G01T1/164G01T1/17G06F15/42
    • G01T1/17G01T1/1647
    • A scintillation data collecting apparatus and method are provided for a scintillation camera and a data processor. The apparatus comprises a scintillation detector including an adder and an analyzer for detecting the valid scintillations, a plurality of conversion units each including an analog-to-digital converter for converting intensity signals derived from the valid scintillations into high, accuracy digital values, and controllers for controlling operation of each of the analog-to-digital converters of the conversion units. The method comprises steps of adding the intensity signals generated by the scintillation camera and which are indicative of the scintillations, and analyzing the sum of the intensity signals to determine if the detected scintillations are valid. To select only those values involved in a scintillation event for processing and free up ADCs which are uninvolved to convert future intensity signals, the intensity signals may be compared to a threshold value to allow only those ADCs whose corresponding intensity signal is above the threshold to convert, or a rapid determination of which serial ADCs are involved can be done by allowing all serial ADCs to convert, waiting for a first positive MSB from one of the ADCS, and resetting all ADCs determined to be uninvolved in the event. The converted signals derived from the intensity signals are digital value signals indicative of the valid scintillations computable by the data processor to determine spatial locations of the valid scintillations.
    • 为闪烁照相机和数据处理器提供闪烁数据采集装置和方法。 该装置包括一个闪烁检测器,它包括一个加法器和一个用于检测有效闪烁的分析器,多个转换单元,每个转换单元都包含一个模数转换器,用于将从有效闪烁导出的强度信号转换为高精度数字值,以及控制器 用于控制转换单元的每个模拟 - 数字转换器的操作。 该方法包括以下步骤:添加由闪烁照相机产生的并且指示闪烁的强度信号,并且分析强度信号的总和以确定检测到的闪烁是否有效。 为了仅选择涉及闪烁事件的那些值,用于处理和释放不涉及转换未来强度信号的ADC,可以将强度信号与阈值进行比较,以仅允许相应强度信号高于阈值的那些ADC转换 或者通过允许所有串行ADC转换,等待来自ADCS之一的第一个正MSB,并重置所有被确定为不参与的ADC,可以完成所涉及的串行ADC的快速确定。 从强度信号导出的经转换的信号是指示数据处理器可计算的有效闪烁的数字值信号,以确定有效闪烁的空间位置。
    • 7. 发明授权
    • Gain calibration in a scintillation camera
    • 在闪烁相机中增益校准
    • US5237173A
    • 1993-08-17
    • US861636
    • 1992-04-01
    • Iain StarkAbel FerreiraJames Anglehart
    • Iain StarkAbel FerreiraJames Anglehart
    • G01T1/40
    • G01T1/40
    • The scintillation camera includes a plurality of individually pulsible light emitting devices associated with a number of the photomultiplier tubes. By pulsing the light emitting device, certain ones of the photomultiplier tubes of the camera receive substantial amounts of light. Values from the certain photomultiplier tubes are compared to one another for carrying out an effective gain adjustment of at least one of the certain tubes. The gain calibration is independent of the amount of light emitted from the light emitting devices. There is also provided a method of adjusting the effective gain of the camera by using the readings resulting from a gamma ray induced scintillation instead of the pulsible light emitting devices.
    • 闪烁照相机包括与多个光电倍增管相关联的多个单独脉冲的发光器件。 通过脉冲发光装置,照相机的某些光电倍增管容纳大量的光。 将来自某些光电倍增管的值彼此进行比较,以对至少一个特定的管执行有效的增益调整。 增益校准与发光器件发出的光量无关。 还提供了一种通过使用由伽马射线诱发的闪烁而不是脉冲发光器件产生的读数来调节相机的有效增益的方法。
    • 8. 发明授权
    • Position calculation in a scintillation camera
    • 闪烁照相机中的位置计算
    • US5410153A
    • 1995-04-25
    • US97674
    • 1993-07-27
    • Abel Ferreira
    • Abel Ferreira
    • G01T1/164G01T1/208G01T1/40
    • G01T1/1642G01T1/208G01T1/40
    • For accurate position calculation of scintillation events in a gamma camera, improved methods are disclosed calibrating gain of photodetectors. The camera system may comprise an array of LEDs optically coupled to a scintillator crystal in which signals from photodetectors also coupled to the crystal are separated into those resulting from test LED pulses and actual gamma ray induced scintillations. The LED induced signals may be used for camera calibration while the camera is in image collecting mode. Image clarity may also be improved by correcting roughly calculated positions as a function of the roughly calculated positions, and by eliminating events which do not exactly correspond to nuclear decay emissions as a function of the events' positions.
    • 为了准确地计算γ相机中的闪烁事件,公开了改进的方法来校准光电检测器的增益。 相机系统可以包括光学耦合到闪烁体晶体的LED阵列,其中还耦合到晶体的光电检测器的信号被分离成由测试LED脉冲和实际的伽马射线引发的闪烁产生的信号。 当摄像机处于图像采集模式时,LED感应信号可用于相机校准。 通过根据大致计算的位置校正大致计算的位置,并且通过消除不完全对应于作为事件位置的函数的核衰减辐射的事件,还可以改善图像清晰度。
    • 9. 发明授权
    • Scintillation camera valid event discrimination
    • 闪烁摄像机有效事件辨别
    • US5270547A
    • 1993-12-14
    • US879805
    • 1992-05-07
    • Iain StarkAbel Ferreira
    • Iain StarkAbel Ferreira
    • G01T1/164G01T1/17G01T1/161
    • G01T1/1647G01T1/1642G01T1/17
    • The discriminator comprises a summing circuit for producing a sum signal from light detectors of a scintillation camera; a slope analysis circuit for analyzing a slope of the sum signal to produce a slope analysis result indicative of a given characteristic change in the slope; a first event characteristic evaluation circuit for producing in response to the slope analysis result and the sum signal a first event characteristic signal representative of an energy of the first event; a second event characteristic evaluation circuit for producing in response to the slope analysis result and the sum signal a second event characteristic signal representative of an energy of the second event; and a validity analyzer circuit for producing a valid event indicator signal in response to the slope analysis result, the first event characteristic signal and the second event characteristic signal. A method of pulsepile discrimination is also disclosed. The valid event indicator signal can indicate the presence of simultaneous events and the number of valid events among the simultaneous events.
    • 鉴频器包括一个求和电路,用于从闪烁照相机的光检测器产生和信号; 斜率分析电路,用于分析和信号的斜率,以产生指示斜率的给定特征变化的斜率分析结果; 第一事件特性评估电路,用于响应于所述斜率分析结果和所述和信号产生表示所述第一事件的能量的第一事件特征信号; 第二事件特性评估电路,用于响应于所述斜率分析结果和所述和信号产生表示所述第二事件的能量的第二事件特征信号; 以及有效性分析器电路,用于响应于斜率分析结果,第一事件特征信号和第二事件特征信号产生有效事件指示符信号。 还公开了脉冲识别的方法。 有效的事件指示符信号可以指示同时事件的存在和同时事件中的有效事件的数量。