摘要:
A disk drive that sustains a constant rate to a host and provides a method for allowing retries and accesses to reallocated sectors if the disk drive's recent historical performance has been sufficient to guarantee that the minimum transfer rate will be met while performing a retry or accessing a reallocated sector. During the transfer of data, the disk drive determines a reserve value that represents the amount of data that is stored in a transfer buffer. The reserve value is increased by the number of sectors actually sent to an intermediate buffer between the disk drive and the host, and decreased based on the minimum or constant data rate, normalized to revolutions of a disk within the drive. Based on this value, the disk drive determines if the disk drive can seek for data in reallocated sectors or to perform retries to correct faulty data while maintaining the minimum transfer rate. Because disk drive electronics provide automation for the transfer portion, the process of performing retries and seeks may be programed in the hardware such that specific conditions may be set under which the disk drive may stop and perform a retry or seek to a reallocated sector location.
摘要:
An automated stencil dryer includes a holder mechanism for holding a stencil, a discharge mechanism for discharging air against a stencil positioned in the holder, and a driver mechanism operatively coupled to the discharge mechanism for automatically moving the discharge mechanism so that compressed air can be discharged fully across the surface of the stencil. In one embodiment, the discharge mechanism includes a pair of air knives disposed parallel to one another on opposite sides of the holder so that the stencil is between the air knives when the stencil is positioned in the holder. The air knives are oriented inward toward the stencil when the stencil is positioned in the holder so that air discharged from the air knives is directed against the stencil. In another embodiment, the discharge mechanism includes a pair of air distribution pipes disposed parallel to one another on opposite sides of the holder so that the stencil is between the distribution pipes when the stencil is positioned in the holder. A plurality of orifices are disposed along each distribution pipe through which air is discharged. The orifices are oriented inward toward the stencil when the stencil is positioned in the holder to direct air against the stencil. An optional feature provides a squeegee holder disposed adjacent to the channels. The squeegee holder holds a squeegee within the extent of the stencil so that air discharged from the discharge mechanism is directed against the squeegee when the squeegee is positioned in the squeegee holder.
摘要:
A selectively floatable protective shroud is disclosed for protecting a boat hull from fouling by marine organisms. The assembly consists of an inflatable, elongated toroidal bladder with an inner opening larger than the circumference of the hull of the boat at its water line. The bladder has an inflation nozzle which is connected to a gas pump, for controllably inflating the bladder. A continuous, flexible, water impervious shroud has a circumferential edge mounted about the circumference of the toroidal bladder for protecting the boat hull, when deployed about the boat. By controllably inflating the bladder, the shroud is selectively brought from a submerged position beneath the boat to a deployed position enveloping the hull of the boat so as to protect the hull from fouling by marine organisms. A water pump is disclosed being connected to a water drain nozzle mounted on the flexible shroud, for controllably pumping out sea water from the region between the flexible shroud and the boat hull. Various embodiments for guide members are disclosed which are mounted to the sea bed floor and are connected to the bladder for guiding the shroud from the submerged position to the deployed position enveloping the hull of the boat. Various control and interlock mechanisms are disclosed for conveniently operating the system from onboard the boat.
摘要:
A selectively floatable protective shroud is disclosed for protecting a boat hull from fouling by marine organisms. The assembly consists of an inflatable, elongated toroidal bladder with an inner opening larger than the circumference of the hull of the boat at its water line. The bladder has an inflation nozzle which is connected to a gas pump, for controllably inflating the bladder. A continuous, flexible, water impervious shroud has a circumferential edge mounted about the circumference of the toroidal bladder for protecting the boat hull, when deployed about the boat. By controllably inflating the bladder, the shroud is selectively brought from a submerged position beneath the boat to a deployed position enveloping the hull of the boat so as to protect the hull from fouling by marine organisms. A water pump is disclosed being connected to a water drain nozzle mounted on the flexible shroud, for controllably pumping out sea water from the region between the flexible shroud and the boat hull. Various embodiments for guide members are disclosed which are mounted to the sea bed floor and are connected to the bladder for guiding the shroud from the submerged position to the deployed position enveloping the hull of the boat. Various control and interlock mechanisms are disclosed for conveniently operating the system from onboard the boat.
摘要:
An integrated circuit unit and method for synchronizing processing threads running on respective processors are provided. The unit includes an interrupt request controller which is programmable to provide a first desired number of synchronization objects and a second desired number of interrupt request signals for supply to such processors. The controller is operable to direct and interrupt request signals to a chosen processor in dependence upon data received from the processors.
摘要:
A gaming machine and method are disclosed. A selected symbol is displayed in a non-revealed manner, for example on a display, a player having nominated at least one characteristic of the symbol. If the selected symbol is revealed to have the nominated characteristic a prize is awarded to the player, and if the symbol is revealed to be a special symbol a game controller awards the player a feature outcome that comprises a plurality of bonus plays of a feature game that includes at least one special symbol. Progression to the next bonus play in the plurality of bonus plays is dependent on selection of the special symbol.
摘要:
Methods and apparatus are provided for efficiently implementing signal processing cores as application specific processors. A signal processing core, such as a Fast Fourier Transform (FFT) core or a Finite Impulse Response (FIR) core includes a data path and a control path. A control path is implemented using processor components to increase resource efficiency. Both the data path and the control path can be implemented using function units that are selected, parameterized, and interconnected. A variety of signal processing algorithms can be implemented on the same application specific processor.
摘要:
A restriction diagnostic system for a vehicle comprises a pressure difference module and a diagnostic module. The pressure difference module determines a pressure difference between an ambient air pressure and a filtered air pressure measured at a location between an air filter and a valve that is selectively opened to enable ambient airflow through the air filter to a fuel vapor canister. The diagnostic module selectively diagnoses restriction of the airflow through the air filter when the pressure difference is greater than a predetermined pressure.
摘要:
A gaming machine and method are disclosed. A selected symbol is displayed in a non-revealed manner, for example on a display, a player having nominated at least one characteristic of the symbol. If the selected symbol is revealed to have the nominated characteristic a prize is awarded to the player, and if the symbol is revealed to be a special symbol a game controller awards the player a feature outcome that comprises a plurality of bonus plays of a feature game that includes at least one special symbol. Progression to the next bonus play in the plurality of bonus plays is dependent on selection of the special symbol.
摘要:
A polishing article and method for manufacturing a polishing article for use in a chemical mechanical polishing process is disclosed. The polishing article has a plurality of polishing material tiles separated by grooves formed in or through a polishing material and may be adhesively bound to a base film. The polishing article may include various polygonal tiles and oval shapes formed in the polishing material which allow enhanced slurry retention and ease in rolling from a polishing material supply roll and onto a take-up roll in a web type platen assembly. The polishing article may also include an upper carrier film adapted to minimize delaminating stress placed in an area of the polishing article that is not adapted for polishing. A method and apparatus for manufacturing the various embodiments of the polishing article and a replacement supply roll are also disclosed.