摘要:
Hot cracking in laser welds produced in metal workpieces, especially aluminum or magnesium sheet alloys, is avoided by suitably combining the beams of two different lasers, for example a CO2 laser and a YAG laser, into a compound beam that is moved along a weld path in the surface of the workpiece. The power level of at least one of the lasers is cyclically varied so that weld nugget segments of different alternating, hot crack free, configurations are produced in a linear weld.
摘要:
Hot cracking in laser welds produced in metal workpieces, especially aluminum or magnesium sheet alloys, is avoided by suitably combining the beams of two different lasers, for example a CO2 laser and a YAG laser, into a compound beam that is moved along a weld path in the surface of the workpiece. The power level of at least one of the lasers is cyclically varied so that weld nugget segments of different alternating, hot crack free, configurations are produced in a linear weld.
摘要:
A process for trimming out a part of an image in a rectangular shape and transferring the trimming image is performed at higher speed than before. When a rectangular area is trimmed from image data stored in a memory 32, a DMA controlling circuit 40 sets information that represents the start address from which data are transferred and a read width to a DMA device 30. The DMA device 30 reads data for one column in the horizontal direction of the trimming image from the memory 32. The read data are supplied to a processing circuit 41 through a bus 31. Thereafter, the DMA controlling circuit 40 sets the start address of the next one column in the horizontal direction of the trimming image to the DMA device 30. The DMA device 30 reads image data for one column from the memory 32. After all columns in the vertical direction are read, the process is completed. Since image data are read for each column from the flash memory 32, image data of the rectangular area are transferred without need to read image data of an unnecessary area.
摘要:
An image signal processing device that includes: a recording section; a first processing section that calculates an amount of screen motion through detection of a motion of a captured image, and determines a frame rate through comparison between the amount of screen motion and a preset motion threshold value; and a second processing section that performs recording of the captured image to the recording section using the dynamically-variable frame rate notified by the first processing section.
摘要:
An image signal processing apparatus, the method and a camera system are provided, by which highly efficient processing close to 1-path processing can be performed without deteriorating a picture quality or taking too much time for the processing, a capacity required for a compression rate, band and memory in the worst case can be assured and a random accessing property is not impaired when compressing image data: wherein the apparatus has at least a first signal processing unit, a second signal processing unit, and a storage unit accessed by the first signal processing unit and the second signal processing unit; wherein the first signal processing unit includes at its interface part with the storage unit a band compression expansion unit having functions of compressing input image data based on a predetermined band-compression method, writing the same in the storage unit, and expands compressed data read from the storage unit.
摘要:
An image signal processing apparatus, the method and a camera system are provided, by which highly efficient processing close to 1-path processing can be performed without deteriorating a picture quality or taking too much time for the processing, a capacity required for a compression rate, band and memory in the worst case can be assured and a random accessing property is not impaired when compressing image data: wherein the apparatus has at least a first signal processing unit, a second signal processing unit, and a storage unit accessed by the first signal processing unit and the second signal processing unit; wherein the first signal processing unit includes at its interface part with the storage unit a band compression expansion unit having functions of compressing input image data based on a predetermined band compression method, writing the same in the storage unit, and expands compressed data read from the storage unit.
摘要:
An image signal processing apparatus, the method and a camera system are provided, by which highly efficient processing close to 1-path processing can be performed without deteriorating a picture quality or taking too much time for the processing, a capacity required for a compression rate, band and memory in the worst case can be assured and a random accessing property is not impaired when compressing image data: wherein a data signal processing unit performs a compression processing by dividing input image data to a plurality of bit resolution parts and applying a predetermined compression method to each divided part.
摘要:
An image signal processing device that includes: a recording section; a first processing section that calculates an amount of screen motion through detection of a motion of a captured image, and determines a frame rate through comparison between the amount of screen motion and a preset motion threshold value; and a second processing section that performs recording of the captured image to the recording section using the dynamically-variable frame rate notified by the first processing section.
摘要:
An image signal processing apparatus, the method and a camera system are provided, by which highly efficient processing close to 1-path processing can be performed without deteriorating a picture quality or taking too much time for the processing, a capacity required for a compression rate, band and memory in the worst case can be assured and a random accessing property is not impaired when compressing image data: wherein a data signal processing unit performs a compression processing by dividing input image data to a plurality of bit resolution parts and applying a predetermined compression method to each divided part.
摘要:
The present invention provides an artificial respiration apparatus 12 of a high oscillation type, in which oxygen supply to a patient P and exhaled gas discharge are urged by an oscillating gas having a higher frequency than the cycle of the patient respiration. The apparatus includes a discharge direction regulating mechanism 7 for regulating the exhaled gas to flow only in the discharge direction.