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    • 2. 发明申请
    • ULTRASONIC FAULT DETECTION SYSTEM USING A HIGH DYNAMIC RANGE ANALOG TO DIGITAL CONVERSION SYSTEM
    • 使用高动态范围模拟数字转换系统的超声波故障检测系统
    • WO2007047018A2
    • 2007-04-26
    • PCT/US2006/036908
    • 2006-09-22
    • OLYMPUS NDTTHOMAS, Andrew
    • THOMAS, Andrew
    • G01N29/00
    • G01N29/44G01N29/043G01N29/262G01N29/42G01N29/4463G01N2291/044G01N2291/102H03M1/188
    • A method and apparatus for effecting ultrasonic flaw detection of an object processes an echo signal received from the object being tested in at least three signal channels, wherein the echo signal is scaled to different degrees along each channel to increase and extend the dynamic range of an associated A/D converter system, in a manner which dispenses with the need for using numerous analog high pass and low pass filters and a variable gain amplifier. This reduces complexity and avoids performance limitations. The digital to analog converters sample the differently scaled input signal and a selection circuit selects the output of the digital output obtained from that analog to digital converter which has the highest gain, but which has not overflowed. The digital outputs are seamlessly merged to produce an output that can be displayed as a scan display which shows the location of faults.
    • 用于实现物体的超声波探伤的方法和装置处理在至少三个信号通道中从被测试对象接收的回波信号,其中回波信号沿着每个通道被缩放到不同程度以增加和扩展一个 相关的A / D转换器系统,其不需要使用大量模拟高通和低通滤波器和可变增益放大器。 这降低了复杂性并避免了性能限制。 数模转换器对不同比例的输入信号进行采样,并且选择电路选择从具有最高增益但尚未溢出的模数转换器获得的数字输出的输出。 数字输出无缝合并,产生可显示为显示故障位置的扫描显示的输出。
    • 5. 发明申请
    • PIPERIDINE DERIVATIVES
    • 哌啶衍生物
    • WO2011101304A2
    • 2011-08-25
    • PCT/EP2011/052101
    • 2011-02-14
    • F. HOFFMANN-LA ROCHE AGBAUMANN, KarlheinzFLOHR, AlexanderGOETSCHI, ErwinGREEN, LukeJOLIDON, SyneseKNUST, HennerLIMBERG, AnjaLUEBBERS, ThomasTHOMAS, Andrew
    • BAUMANN, KarlheinzFLOHR, AlexanderGOETSCHI, ErwinGREEN, LukeJOLIDON, SyneseKNUST, HennerLIMBERG, AnjaLUEBBERS, ThomasTHOMAS, Andrew
    • C07D401/14C07D413/14C07D417/14C07D471/04C07D487/04C07D498/04A61K31/4523A61P25/28
    • C07D471/04C07D401/14C07D413/14C07D417/14C07D487/04C07D498/04
    • The invention relates to compounds of formula (I). Hetaryl I is a five or six membered heteroaryl group, containing 1 to 3 heteroatoms, selected from O, S or N; hetaryl II is a five or six membered heteroaryl group, containing 1 to 3 heteroatoms, selected from O, S or N, or is a two membered ring system containing 1 to 4 heteroatoms selected from S, O or N, wherein at least one ring is aromatic in nature; R 1 is lower alkyl, lower alkoxy, lower alkyl substituted by halogen, or halogen; R 2 is halogen, lower alkyl, lower alkoxy, hydroxy, lower alkyl substituted by halogen, lower alkyl substituted by hydroxy or benzo[1,3]dioxolyl, or is -(CHR) p -phenyl, optionally substituted by halogen, lower alkyl, lower alkoxy, S(O) 2 -lower alkyl, cyano, nitro, lower alkoxy substituted by halogen, dimethylamino, -(CH 2 )P-NHC(O)O-Iower alkyl, or lower alkyl substituted by halogen, and R is hydrogen, halogen, hydroxy or lower alkoxy, or is cycloalkenyl or cycloalkyl, optionally substituted by hydroxy or lower alkyl substituted by halogen, or is a five or six membered heteroaryl group, containing 1 to 3 heteroatoms, selected from O, S or N, which is optionally substituted by halogen, lower alkyl, lower alkoxy or dimethylamino, or is O-phenyl, optionally substituted by halogen, or is heterocycloalkyl, optionally substituted by halogen, hydroxy, lower alkyl substituted by halogen or C(O)O-lower alkyl; R 3 is hydrogen, lower alkyl, cyano or phenyl; R 4 is lower alkoxy, lower alkyl or halogen; p is 0 or 1; n is 0, 1 or 2; if n is 2 then R 4 may be the same or different; m is 0, 1 or 2; if m is 2 then R 1 may be the same or different; o is 0, 1, 2 or 3, if o is 2 or 3 then R 2 may be the same or different; or to pharmaceutically active acid addition salts thereof. The compounds of formula (I) are modulators for amyloid beta and thus, they may be useful for the treatment or prevention of a disease associated with the deposition of β-amyloid in the brain, in particular Alzheimer's disease, and other diseases such as cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica and Down syndrome.
    • 本发明涉及式(I)的化合物。 Hetary11是含有1至3个选自O,S或N的杂原子的五元或六元杂芳基; 杂芳基II是含有1至3个选自O,S或N的杂原子的五元或六元杂芳基,或者是含有1至4个选自S,O或N的杂原子的二元环体系,其中至少一个环 本质上是芳香的; R 1为低级烷基,低级烷氧基,被卤素取代的低级烷基或卤素; R 2是卤素,低级烷基,低级烷氧基,羟基,被卤素取代的低级烷基,被羟基或苯并[1,3]二氧杂环戊烯基取代的低级烷基,或者是 - (CHR)p 低级烷基,低级烷氧基,S(O)2 - 低级烷基,氰基,硝基,被卤素取代的低级烷氧基,二甲基氨基, - (CH 2) (O)O-低级烷基或被卤素取代的低级烷基,且R为氢,卤素,羟基或低级烷氧基,或者为环烯基或环烷基,任选被羟基或低级 被卤素取代的烷基,或者是含有1至3个选自O,S或N的杂原子的五元或六元杂芳基,其任选被卤素,低级烷基,低级烷氧基或二甲基氨基取代,或者是O-苯基, 任选被卤素取代,或者为任选被卤素,羟基,被卤素取代的低级烷基或C(O)O-低级烷基取代的杂环烷基; R 3是氢,低级烷基,氰基或苯基; R 4是低级烷氧基,低级烷基或卤素; p是0或1; n是0,1或2; 如果n是2,则R 4可以相同或不同; m是0,1或2; 如果m是2,则R 1可以相同或不同; o是0,1,2或3,如果o是2或3,则R 2可以相同或不同; 或其药学活性酸加成盐。 式(I)化合物是β-淀粉样蛋白的调节剂,因此它们可用于治疗或预防与β-淀粉状蛋白在脑中沉积相关的疾病,特别是阿尔茨海默氏病和其他疾病,如脑 具有淀粉样变性的遗传性脑出血,荷兰型(HCHWA-D),多发性梗塞型痴呆,拳击员痴呆和唐氏综合症。