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    • 1. 发明授权
    • Multi-ported memory architecture using single-ported RAM
    • 使用单端口RAM的多端口存储器架构
    • US06212607B1
    • 2001-04-03
    • US08783923
    • 1997-01-17
    • Michael MillerJohn MickJeff SmithMark BaumannChris Schott
    • Michael MillerJohn MickJeff SmithMark BaumannChris Schott
    • G06F1200
    • G11C7/1075G11C2207/104
    • A memory device (201) having left (203) and right (204) ports for communicating with left (205) and right (206) electronic devices, includes memory banks (401-0˜401-7), semaphore logic (302), and port coupling circuitry (403, 404, 405-0˜405-7, 406-0˜406-7, 407-0˜407-7). The semaphore logic generates bank access grant signals (313, 314) on a first received basis in response to bank access requests from the left and right electronic devices, and the port coupling circuitry couples selected memory banks to the left and right ports in response to the bank access grant signals. Also included in the memory device are mail-box registers (2500-0L˜2500-3L, 2500-0R˜2500-3R), interrupt generating circuitry (2514-0L˜2514-3L, 2514-0R˜2514-3R, 2900, 3000, 307, 308), and interrupt status and cause registers (3101L˜3102L, 3101R˜3102R, 3301L˜3302L, 3301R˜3302R). The left and right electronic devices use the mail-box registers to send messages to each other without waiting. The interrupt generating circuitry generates interrupts to notify the left and right electronic devices when their bank access requests have been granted, and when a message has been written into one of the mail-box registers for them. The interrupt status and cause registers provide information as to which memory banks the left and right electronic devices have been granted access to, and which mail-box registers contain messages for them.
    • 具有用于与左(205)和右(206)电子设备通信的左(203)和右(204)端口的存储设备(201)包括存储体(401-0〜401-7),信号量逻辑(302) ,和端口耦合电路(403,404,405-0〜405-7,406-0〜406-7,407-0〜407-7)。 信号量逻辑响应于来自左和右电子设备的存储体访问请求而在第一接收的基础上产生存储体存取授权信号(313,314),并且端口耦合电路响应于所选择的存储体耦合到左端口和右端口 银行存取授权信号。 内存中还包括邮箱寄存器(2500-0L〜2500-3L,2500-0R〜2500-3R),中断发生电路(2514-0L〜2514-3L,2514-0R〜2514-3R,2900 ,3000,307,308),以及中断状态和原因寄存器(3101L〜3102L,3101R〜3102R,3301L〜3302L,3301R〜3302R)。 左右电子设备使用邮箱寄存器相互发送消息,无需等待。 中断产生电路产生中断以在其银行访问请求被授予时通知左和右电子设备,并且当消息已被写入其中一个邮箱寄存器时。 中断状态和原因寄存器提供关于左和右电子设备被授权访问哪些存储器的信息,哪些邮箱寄存器包含用于它们的消息。
    • 2. 发明授权
    • Semaphore enhancement to allow bank selection of a shared resource
memory device
    • 信号量增强,允许银行选择共享资源存储设备
    • US6108756A
    • 2000-08-22
    • US785662
    • 1997-01-17
    • Michael MillerJohn MickJeff SmithMark Baumann
    • Michael MillerJohn MickJeff SmithMark Baumann
    • G06F9/46G06F12/02
    • G06F9/52
    • A memory device (201) having left (203) and right (204) ports for communicating with left (205) and right (206) electronic devices, includes memory banks (401-0.about.401-7), semaphore logic (302), and port coupling circuitry (403, 404, 405-0.about.405-7, 406-0.about.406-7, 407-0.about.407-7). The semaphore logic generates bank access grant signals (313, 314) on a first received basis in response to bank access requests from the left and right electronic devices, and the port coupling circuitry couples selected memory banks to the left and right ports in response to the bank access grant signals. Also included in the memory device are mail-box registers (2500-0L.about.2500-3L, 2500-0R.about.2500-3R), interrupt generating circuitry (2514-0L.about.2514-3L, 2514-0R.about.2514-3R, 2900, 3000, 307, 308), and interrupt status and cause registers (3101L.about.3102L, 3101R.about.3102R, 3301L.about.3302L, 3301R.about.3302R). The left and right electronic devices use the mail-box registers to send messages to each other without waiting. The interrupt generating circuitry generates interrupts to notify the left and right electronic devices when their bank access requests have been granted, and when a message has been written into one of the mail-box registers for them. The interrupt status and cause registers provide information as to which memory banks the left and right electronic devices have been granted access to, and which mail-box registers contain messages for them.
    • 具有用于与左(205)和右(206)电子设备进行通信的左(203)和右(204)端口的存储设备(201)包括存储体(401-0差分401-7),信号量逻辑(302) ,以及端口耦合电路(403,404,405-0,差异405-7,406-0,差异406-7,407-0,差异407-7)。 信号量逻辑响应于来自左和右电子设备的存储体访问请求而在第一接收的基础上产生存储体存取授权信号(313,314),并且端口耦合电路响应于所选择的存储体耦合到左端口和右端口 银行存取授权信号。 存储设备中还包括邮箱寄存器(2500-0L DIFFERENCE 2500-3L,2500-0R差分2500-3R),中断产生电路(2514-0L差分2514-3L,2514-0R差分2514-3R,2900 ,3000,307,308)以及中断状态和原因寄存器(3101L差分3102L,3101R差分3102R,3301L差分3302L,3301R差分3302R)。 左右电子设备使用邮箱寄存器相互发送消息,无需等待。 中断产生电路产生中断以在其银行访问请求被授予时通知左和右电子设备,并且当消息已被写入其中一个邮箱寄存器时。 中断状态和原因寄存器提供关于左和右电子设备被授权访问哪些存储器的信息,哪些邮箱寄存器包含用于它们的消息。
    • 3. 发明授权
    • Mail-box design for non-blocking communication across ports of a
multi-port device
    • 用于多端口设备端口之间的非阻塞通信的邮箱设计
    • US5751638A
    • 1998-05-12
    • US786401
    • 1997-01-17
    • John MickMichael MillerJeff SmithMark Baumann
    • John MickMichael MillerJeff SmithMark Baumann
    • G06F5/10G06F9/46G11C8/16G11C13/00
    • G06F5/10G06F9/52G11C8/16
    • A memory device (201) having left (203) and right (204) ports for communicating with left (205) and right (206) electronic devices, includes memory banks (401-0.about.401-7), semaphore logic (302), and port coupling circuitry (403, 404, 405-0.about.405-7, 406-0.about.406-7, 407-0.about.407-7). The semaphore logic generates bank access grant signals (313, 314) on a first received basis in response to bank access requests from the left and right electronic devices, and the port coupling circuitry couples selected memory banks to the left and right ports in response to the bank access grant signals. Also included in the memory device are mail-box registers (2500-0L.about.2500-3L, 2500-0R.about.2500-3R), interrupt generating circuitry (2514-0L.about.2514-3L, 2514-0R.about.2514-3R, 2900, 3000, 307, 308), and interrupt status and cause registers (3101L.about.3102L, 3101R.about.3102R, 3301L.about.3302L, 3301R.about.3302R). The left and right electronic devices use the mail-box registers to send messages to each other without waiting. The interrupt generating circuitry generates interrupts to notify the left and right electronic devices when their bank access requests have been granted, and when a message has been written into one of the mail-box registers for them. The interrupt status and cause registers provide information as to which memory banks the left and right electronic devices have been granted access to, and which mail-box registers contain messages for them.
    • 具有用于与左(205)和右(206)电子设备进行通信的左(203)和右(204)端口的存储设备(201)包括存储体(401-0差分401-7),信号量逻辑(302) ,以及端口耦合电路(403,404,405-0,差异405-7,406-0,差异406-7,407-0,差异407-7)。 信号量逻辑响应于来自左和右电子设备的存储体访问请求而在第一接收的基础上产生存储体存取授权信号(313,314),并且端口耦合电路响应于所选择的存储体耦合到左端口和右端口 银行存取授权信号。 存储设备中还包括邮箱寄存器(2500-0L DIFFERENCE 2500-3L,2500-0R差分2500-3R),中断产生电路(2514-0L差分2514-3L,2514-0R差分2514-3R,2900 ,3000,307,308)以及中断状态和原因寄存器(3101L差分3102L,3101R差分3102R,3301L差分3302L,3301R差分3302R)。 左右电子设备使用邮箱寄存器相互发送消息,无需等待。 中断产生电路产生中断以在其银行访问请求被授予时通知左和右电子设备,并且当消息已被写入其中一个邮箱寄存器时。 中断状态和原因寄存器提供关于左和右电子设备被授权访问哪些存储器的信息,哪些邮箱寄存器包含用于它们的消息。
    • 4. 发明授权
    • Content addressable memory (CAM) devices having soft priority resolution circuits therein and methods of operating same
    • 具有软优先级分辨率电路的内容可寻址存储器(CAM)设备及其操作方法
    • US07669005B1
    • 2010-02-23
    • US10613542
    • 2003-07-03
    • Kee ParkRobert J. ProebstingScott Yu-Fan ChuMichael MillerMark Baumann
    • Kee ParkRobert J. ProebstingScott Yu-Fan ChuMichael MillerMark Baumann
    • G06F12/00
    • G11C15/00H04L45/742
    • Content addressable memory (CAM) devices use both hard and soft priority techniques to allocate entries of different priority therein. The priorities of multiple CAM array blocks within the CAM device may be programmed before or as entries are loaded therein and may be reprogrammed during operation as the allocation of entries within the CAM device changes. The allocation of entries may change in response to additions or deletions of entries or as entries are reprioritized. The CAM devices include preferred priority resolution circuits that can resolve competing soft and hard priorities between multiple hit signals that are generated in response to a search operation. Such hit signals may be active to reflect the presence of at least one matching entry within a CAM array block. The resolution of which active hit signal has the highest overall priority among many can be used to facilitate the identification of the location (e.g., array address and row address) of a highest priority matching entry within the entire CAM device. A priority resolution circuit may also resolve competing hard priorities between two or more active hit signals having equivalent soft priority. This aspect of the priority resolution circuit is provided so that an active hit signal having a highest overall priority can be resolved whenever multiple CAM array blocks having the same soft priority are detected as having matching entries therein during a search operation.
    • 内容可寻址存储器(CAM)设备使用硬和软优先级技术来分配不同优先级的条目。 CAM设备内的多个CAM阵列块的优先级可以在条目加载之前被编程,也可以在操作期间被重新编程,因为CAM设备内的条目的分配改变。 条目的分配可能会随着条目的添加或删除而变化,或者条目被重新设定为优先级。 CAM设备包括优选的优先级分辨率电路,其可以解决响应于搜索操作而产生的多个命中信号之间的竞争的软和硬优先级。 这种命中信号可以是有效的,以反映CAM阵列块内至少一个匹配条目的存在。 可以使用哪个主动命中信号具有最高总体优先级的分辨率在许多之中,以便于识别整个CAM设备内的最高优先级匹配条目的位置(例如,阵列地址和行地址)。 优先级分辨率电路还可以解决具有相同软优先级的两个或更多个激活命中信号之间的竞争硬优先级。 提供优先级分辨率电路的这个方面,使得每当具有相同软优先级的每个CAM阵列块在搜索操作期间被检测为具有匹配条目时,可以解决具有最高总优先级的主动命中信号。
    • 7. 发明授权
    • Spherical magnet
    • 球形磁铁
    • US08791781B2
    • 2014-07-29
    • US13781019
    • 2013-02-28
    • Michael Miller
    • Michael Miller
    • H01F7/02
    • H01F7/02F01K25/10F01K27/00H01F7/0221
    • A spherical magnet is formed as a hollow sphere having a fluid tight outer surface of a first magnetic pole and an inner surface having a second magnetic pole that is magnetically opposite the first pole. A plurality of individual thin flexible rectangular plate magnets are arranged as a continuous outer layer of the spherical magnet. Each individual plate magnet has four sides, an inner magnetic portion and an outer non-magnetic portion that extends around all four sides of the magnetic portion. Each inner magnetic portion includes a first face disposed on the outer surface and having the first pole and a second face opposite the first face, disposed on the inner surface and having the second pole.
    • 形成具有第一磁极的流体密封外表面的空心球体和具有与第一极磁性相对的第二磁极的内表面的球形磁体。 多个单独的薄柔性矩形板磁体被布置为球形磁体的连续外层。 每个单独的板状磁体具有四个侧面,内部磁性部分和外部非磁性部分,其围绕磁性部分的所有四个侧面延伸。 每个内磁性部分包括设置在外表面上并且具有第一极和与第一面相对的第二面的第一面,设置在内表面上并具有第二极。