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    • 3. 发明授权
    • Q-switching injection laser with oxygen implanted region
    • 具有氧注入区域的Q开关注入激光器
    • US4055815A
    • 1977-10-25
    • US643972
    • 1975-12-24
    • Archibald W. Smith
    • Archibald W. Smith
    • H01S5/00H01S5/042H01S5/06H01S5/10H01S5/20H01S3/19
    • H01S5/20H01S5/0601H01S5/0615H01S5/1021H01S5/2059
    • A Q-switching injection laser is disclosed which includes integral emitter and saturable absorber sections of the semiconductive body. In one embodiment the emitter and absorber sections are separated by an interface region implanted with ions of a type and amount to significantly increase the resistivity at the interface. Preferably, the implanted ions have energy levels spaced far enough from the conduction and valence bands of the semiconductive body such that charge carriers cannot be thermally excited between the conduction or valence bands and the energy level of the implanted ions. In another preferred embodiment, the saturable absorber section includes implanted ions of type and amount to increase the resistivity of the region, as compared to the emitter region, so as to give saturable absorber characteristic under available pumping conditions. Likewise, preferably the implanted ion is selected such that its energy levels are sufficiently separated from the valence and conduction bands so as to prevent thermal excitation from transferring charge carriers between valance and conduction bands and the energy levels of the implanted ion. In a specific embodiment, in a GaAs injection laser doped with Ge or Si, the implanted ion may be selected from the group including O, Cr and Fe.
    • 公开了一种Q切换注入激光器,其包括半导体的集成发射极和可饱和吸收体部分。 在一个实施例中,发射极和吸收体部分被注入类型的离子的界面区域分开,并且量显着增加界面处的电阻率。 优选地,注入的离子具有与半导电体的导电带价和价带间隔足够远的能级,使得电荷载流子不能在导电或价带之间和注入离子的能级之间被热激发。 在另一个优选实施例中,与发射极区域相比,可饱和吸收器部分包括类型和数量增加该区域的电阻率的注入离子,以便在可用的泵送条件下给出饱和吸收器特性。 类似地,优选地,选择注入离子使得其能级与价带和导带充分分离,以防止热激发在价带和导带之间转移电荷载流子和注入离子的能级。 在具体实施例中,在掺杂Ge或Si的GaAs注入激光器中,注入离子可以选自O,Cr和Fe。
    • 4. 发明授权
    • Mechanical trip device for a circuit breaker
    • 断路器的机械跳闸装置
    • US4238750A
    • 1980-12-09
    • US054454
    • 1979-07-03
    • Archibald W. Smith
    • Archibald W. Smith
    • H01H71/50H01H75/10H01H9/20
    • H01H71/505H01H2003/3089H01H2071/506H01H2071/508
    • In a power circuit breaker a trip mechanism is provided normally to oppose the large opening forces associated with the separable contacts of the breaker and to hold the contacts closed. The trip mechanism in response to overload current conditions collapses and trips open the breaker contacts. Forces related to the opening force of the breaker contacts are present throughout the trip mechanism when the contacts are closed. The trip mechanism provides two eccentric latch mechanisms in series each of which reduce the magnitude of the forces acting in the trip mechanism that are related to the opening force. The two latch mechanisms are each mounted to a pivot for rotation therewith. A force related to the opening force is applied against each latch mechanism. Because the pivot for each latch mechanism is eccentric to the line of force acting against the latch mechanism, the force translates into a rotational force that tends to rotate the latch mechanism and pivot. The rotational force is considerably smaller in magnitude than the force acting against the latch mechanism. By utilizing the two eccentric latch mechanisms connected in series, the trip mechanism becomes a relatively simple and inexpensive device.
    • 在电力断路器中,通常提供跳闸机构以与与断路器的可分离触点相关联的大的开启力相对,并且将触点保持闭合。 响应过载电流条件的跳闸机制塌陷并跳闸打开断路器触点。 当触点闭合时,与断路器触点的打开力相关的力存在于整个跳闸机构中。 跳闸机构提供两个串联的偏心闩锁机构,每个偏心闩锁机构减小了作用在跳闸机构中的与开启力相关的力的大小。 两个闩锁机构各自安装到枢轴以与其一起旋转。 对每个锁定机构施加与开启力相关的力。 因为每个闩锁机构的枢轴对于作用在闩锁机构上的力线是偏心的,所以力转化成倾向于使闩锁机构旋转的旋转力。 旋转力的大小要比施加在闩锁机构上的力小得多。 通过利用串联连接的两个偏心闩锁机构,脱扣机构成为相对简单且便宜的装置。
    • 5. 发明授权
    • Integrated optical tracking system for magnetic media
    • 用于磁性介质的集成光学跟踪系统
    • US06563662B2
    • 2003-05-13
    • US09880285
    • 2001-06-12
    • Archibald W. Smith
    • Archibald W. Smith
    • G11B5596
    • G11B21/088G11B5/5504G11B5/5526G11B5/584G11B5/596
    • An improved servo system having an optical head array integrated into the magnetic head, and optical servo tracks incorporated on the magnetic side of a medium. The optical head array includes a light source array that individually illuminates the optical servo tracks through a beam splitter array and a lens array. Light beams incident on the optical servo tracks are individually reflected back through the lens array and beam splitter array to respective bi-cell photo detectors. The signals from the bi-cell photo detector are amplified by respective differential amplifiers to produce error signals indicative of the alignment of the magnetic head with the optical servo tracks. The error signals are combined by a circuit to produce a position error signal.
    • 一种改进的伺服系统,其具有集成在磁头中的光学头阵列,以及并入介质磁性侧的光学伺服磁道。 光头阵列包括通过分束器阵列和透镜阵列分别照亮光学伺服轨道的光源阵列。 入射到光学伺服磁道上的光束通过透镜阵列和分束器阵列被单独反射回到相应的双电池光电检测器。 来自双电池光电检测器的信号由相应的差分放大器放大,以产生指示磁头与光学伺服磁道对准的误差信号。 误差信号由电路组合以产生位置误差信号。
    • 7. 发明授权
    • Integrated optical tracking system for magnetic media
    • 用于磁性介质的集成光学跟踪系统
    • US06275349B1
    • 2001-08-14
    • US09203784
    • 1998-12-02
    • Archibald W. Smith
    • Archibald W. Smith
    • G11B5596
    • G11B21/088G11B5/5504G11B5/5526G11B5/584G11B5/596
    • An improved servo system having an optical head array integrated into the magnetic head, and optical servo tracks incorporated on the magnetic side of a medium. The optical head array includes a light source array that individually illuminates the optical servo tracks through a beam splitter array and a lens array. Light beams incident on the optical servo tracks are individually reflected back through the lens array and beam splitter array to respective bi-cell photo detectors. The signals from the bi-cell photo detector are amplified by respective differential amplifiers to produce error signals indicative of the alignment of the magnetic head with the optical servo tracks. The error signals are combined by a circuit to produce a position error signal.
    • 一种改进的伺服系统,其具有集成在磁头中的光学头阵列,以及并入介质磁性侧的光学伺服磁道。 光头阵列包括通过分束器阵列和透镜阵列分别照亮光学伺服轨道的光源阵列。 入射到光学伺服磁道上的光束通过透镜阵列和分束器阵列被单独反射回到相应的双电池光电检测器。 来自双电池光电检测器的信号由相应的差分放大器放大,以产生指示磁头与光学伺服磁道对准的误差信号。 误差信号由电路组合以产生位置误差信号。
    • 10. 发明授权
    • High data density label and system using same
    • 高数据密度标签和系统使用相同
    • US5424526A
    • 1995-06-13
    • US168168
    • 1993-12-17
    • Michael L. LeonhardtArchibald W. Smith
    • Michael L. LeonhardtArchibald W. Smith
    • G06K7/10G06K19/06G06K19/00
    • G06K7/10861G06K19/06046
    • A system for identifying and managing a plurality of objects includes a high data density label. The label includes an optical media portion configured to store data in an optical format. The optical media portion has a high areal density and may be rewritable. The high data density of the label allows a large amount of information to be stored directly on the label. The data can be quickly read from the label without requiring physical contact with the label. A read device is provided for reading data from a selected label. A write device is provided for modifying the data in a selected label. The preferred embodiment of the labeling system is implemented in an information storage system using an automated cartridge system (ACS). The labels are attached to physical volumes (e.g., tape cartridges) stored in the ACS. The labels are used to identify and manage information stored on the physical volumes as well as the physical volumes themselves.
    • 用于识别和管理多个对象的系统包括高数据密度标签。 标签包括被配置为以光学格式存储数据的光学介质部分。 光学介质部分具有高的面密度并且可以是可重写的。 标签的高数据密度允许将大量信息直接存储在标签上。 可以从标签快速读取数据,而无需与标签进行物理接触。 提供读取设备用于从所选择的标签读取数据。 提供写设备用于修改所选标签中的数据。 标签系统的优选实施例在使用自动化盒系统(ACS)的信息存储系统中实现。 标签连接到存储在ACS中的物理卷(例如,磁带盒)。 标签用于识别和管理存储在物理卷上的信息以及物理卷本身。