摘要:
Measurements of functional, hemographic, and blood flow parameters use a multiple echo or spin echo gradient pulse sequence whereby an early echo is acquired near the beginning of the pulse sequence which avoids saturation effects and a later echo near the end of the pulse sequence which can provide information with more sensitivity to a contrast agent for a susceptibility weighted image.
摘要:
A processor clock (302) is momentarily synchronized to a subsystem clock (307) during transfers of data between a processor (301) and a subsystem (305). After the completion of the data transfer, synchronization is disabled and the processor clock runs asynchronously at its own internal frequency, which is higher than the subsystem clock frequency. In one embodiment, the processor clock uses a free running ring oscillator (401) that is constructed on the same integrated circuit chip as the processor. Changes in temperature and power supply voltage not only cause changes in the maximum operating speed of the processor, but they also cause corresponding changes in the frequency of the processor clock. Thus, the frequency of the processor clock tracks changes in the maximum operating speed of the processor caused by temperature and power supply variations.
摘要:
An operating device 10 for a window covering, comprising a telescopically extendable and retractable handle 12 and means for converting linear telescopic movement of the handle to rotational movement for moving the window covering. Preferably, the movement converting means includes a rack and pinion mechanism 22, 30 supported by a support member 14 of the operating device 10, one end of a rack 22 element of the rack and pinion mechanism being attached to a distal part of the telescopic handle 12, and a pinion gear 30 being provided on the support member 14 and drivable by the rack element 22.
摘要:
A new asynchronous approach used to quickly and dynamically switch input port connections to output port connections and to resolve contention. The switch is self-routing in two cycle times at the same high speed serial rate that data is transferred through the switch. The normal mode of the switch requires absolutely no synchronization amongst any of the input and output ports which interface to the switch. The switch is void of centrally controlled clocking and any data buffering. Data traverses the switch only encountering three gate delays—on-chip receiver, mux, and off-chip driver. Contention is detected and resolved on chip, and yet the logic implementation is extremely simple and low in gate count, so the switch design is never gate limited. The protocol requires several parallel data lines plus two or three control lines.
摘要:
An electronic module includes multiple stacked bare IC chips ("a stack") and a sensor assembly that is mechanically coupled to an end surface of the stack. Electrical connection between the sensor assembly and the stack is provided by a metallization layer disposed on a side-surface of the stack. Specifically, wiring of the sensor assembly extends to an edge surface thereof corresponding to the side-surface of the stack where it electrically connects to the side-surface wiring. The IC chips of the stack are similarly electrically connected to the side-surface wiring. Multiple sensors (e.g., CCD arrays) may be electrically and mechanically coupled to multiple surfaces of the stack for providing a, e.g., multi-view imaging module. Multiple electrical and mechanical options exist for the connection of sensors to stacks within electronic modules.
摘要:
A control apparatus for positioning and counterbalancing an amount of flexible blind material wound onto or unwound from a rotatable shaft of a windable covering such as a blind. The apparatus includes a main body and a variable torque device, at least partially fitted within the main body, having means of achieving a variable torque to prevent rotation of the shaft due to a variable weight of blind material hanging from the shaft in any position between a wound position and an unwound position of the blind material defining full travel of the windable covering.
摘要:
An operating device 10 for a window covering, comprising a telescopically extendable and retractable handle 12 and means for converting linear telescopic movement of the handle to rotational movement for moving the window covering. Preferably, the movement converting means includes a rack and pinion mechanism 22, 30 supported by a support member 14 of the operating device 10, one end of a rack 22 element of the rack and pinion mechanism being attached to a distal part of the telescopic handle 12, and a pinion gear 30 being provided on the support member 14 and drivable by the rack element 22.
摘要:
An electronic module includes multiple stacked bare IC chips ("a stack") and a sensor assembly that is mechanically coupled to an end surface of the stack. Electrical connection between the sensor assembly and the stack is provided by a metallization layer disposed on a side-surface of the stack. Specifically, wiring of the sensor assembly extends to an edge surface thereof corresponding to the side-surface of the stack where it electrically connects to the side-surface wiring. The IC chips of the stack are similarly electrically connected to the side-surface wiring. Multiple sensors (e.g., CCD arrays) may be electrically and mechanically coupled to multiple surfaces of the stack for providing a, e.g., multi-view imaging module. Multiple electrical and mechanical options exist for the connection of sensors to stacks within electronic modules.
摘要:
An electronic module includes multiple stacked bare IC chips ("a stack") and a sensor assembly that is mechanically coupled to an end surface of the stack. Electrical connection between the sensor assembly and the stack is provided by a metallization layer disposed on a side-surface of the stack. Specifically, wiring of the sensor assembly extends to an edge surface thereof corresponding to the side-surface of the stack where it electrically connects to the side-surface wiring. The IC chips of the stack are similarly electrically connected to the side-surface wiring. Multiple sensors (e.g., CCD arrays) may be electrically and mechanically coupled to multiple surfaces of the stack for providing a, e.g., multi-view imaging module. Multiple electrical and mechanical options exist for the connection of sensors to stacks within electronic modules.
摘要:
Measurements of functional, hemographic, and blood flow parameters use a multiple echo or spin echo gradient pulse sequence whereby an early echo is acquired near the beginning of the pulse sequence which avoids saturation effects and a later echo near the end of the pulse sequence which can provide information with more sensitivity to a contrast agent for a susceptibility weighted image.