摘要:
In automatic development of the higher hierarchic logic into the lower hierarchic logic in a hierarchic logic designing, identification codes are beforehand assigned to logic components of the higher hierarchic logic, and the identification codes are also assigned to the lower hierarchic logic data when developing the higher hierarchic logic into the lower hierarchic logic in order to establish correspondences between the higher and lower hierarchic logic, thereby allowing a higher-speed logic compare operation with respect to a design change on the higher or lower hierarchic logic and enabling the automatic update of the lower hierarchic logic by use of the higher hierarchic logic as the master.
摘要:
A logic design automation system examines correspondence relationship among sublogics in intermediate gate-level logic (containing neither physical design information nor manually optimized logic design information) produced from updated functional-level logic and current gate-level logic (containing the above information) to identify corresponding sublogics and non-corresponding sublogics of the gate-level logics with reference to primary input/output signals and input/output gates. For the corresponding sublogics, the corresponding sublogics of the current gate-level logic are selected, and for the non-corresponding sublogics, the non-corresponding sublogics of the intermediate gate-level logic are selected. The selected sublogics are combined to synthesize updated gate-level logic which preserved therein the physical design information and the manually optimized logic design information for portions of the current gate-level logic which need not be modified.
摘要:
A branch joint is provided at the rear portion of an exhaust pipe. Second exhaust pipes with a small diameter arranged one above the other are branched at a position forward of an intersecting position P with a pivot plate. The second exhaust pipes are made to intersect the inside of the pivot plate. The gap between the pivot plate and the engine can be narrowed while ensuring a smooth exhaust. The exhaust path lengths of the second exhaust pipes are made to be offset from each other so as not to be the integral multiple of the wavelength of the exhaust sound in the operating area. This allows exhaust gases to interfere with each other in the muffler. Thus, the exhaust sound can be reduced and the muffler can be downsized. This allows for the slimming of the vehicle body without lowering the output of the engine.
摘要:
A polarizing device including a plurality of polarized light radiating units for radiating polarized light rays each of which is polarized in a particular direction, a rotary reflector for receiving light rays emitted by the plurality of polarized light radiating units while being rotated and for outputting reflected light in a certain direction, and an analyzer disposed midway an optical path of the reflected light from the rotary reflector to set a polarization direction of the reflected light in a certain direction, wherein each of the polarized light radiating units includes a light source, a polarizer for setting a polarization direction of light from the light source, and a first compensator for compensating for a change in a state of polarization attributable to the rotary reflector, and the plurality of polarized light radiating units are disposed in a radial arrangement that is centered at the rotary reflector.
摘要:
A dry shaver has a trimmer plate with a trimmer cutter at its upper end. The trimmer plate is slidably mounted on a vertically elongated front face of a shaver housing with the trimmer cutter projecting forwardly of the housing. The trimmer plate is pivotally connected at its lower end to a slider handle also slidable on the front face such that the trimmer plate is vertically movable together therewith along the front face between a lower inoperative position where it is kept lain flat against the front face and an upper operative position where it is pivoted into an inclined condition with respect to the front face so as to project the trimmer cutter forwardly by a greater distance from the front face than at the lower inoperative position. An improvement resides in that the trimmer plate is allowed to pivot towards the front face of the housing when it is in the upper operative position and is spring-biased into the inclined condition so that the trimmer plate can be retracted towards the shaver housing against the spring-bias while urging the trimmer cutter into intimate and constant contact with the skin for increased convenience of cutting the hairs.
摘要:
A liquid crystal display apparatus includes: an image display member diffracting an incident light; a focusing member condensing diffracted lights diffracted by the image display member; and a optical element recombining lights condensed by the focusing member, wherein the image display member comprises a liquid display panel having a pixel arrangement, and the optical element has a pixel arrangement being a point symmetrical to the pixel arrangement of the image display member.
摘要:
A method of producing excited states of atomic nuclei which comprises bombarding atoms with X rays or electrons, characterized in that (1) in the atoms selected to be produced in the excited state of their nuclei, (a) the difference between the nuclear excitation energy and the difference between the binding energies of adequately selected two electron orbits is small enough to introduce the nuclear excitation by electron transition, and (b) the system of the nucleus and the electrons in the case of ionizing an orbital electron in said atoms should satisfy the spin and parity conservation laws, and (2) the energy of the bombarding X rays or electrons should be larger than the binding energy of one of the said two electron orbits which is located at shorter distance from the atomic nucleus. According to the present invention, atomic nuclei can be excited in a relatively simple manner without requiring the use of large scale apparatus, equipment and production facilities, e.g., factories. It is also possible to produce radioactive substances or separate a particular isotope with an extremely high purity from a mixture of isotopes by utilizing nuclear excitation.
摘要:
A branch joint is provided at the rear portion of an exhaust pipe. Second exhaust pipes with a small diameter arranged one above the other are branched at a position forward of an intersecting position P with a pivot plate. The second exhaust pipes are made to intersect the inside of the pivot plate. The gap between the pivot plate and the engine can be narrowed while ensuring a smooth exhaust. The exhaust path lengths of the second exhaust pipes are made to be offset from each other so as not to be the integral multiple of the wavelength of the exhaust sound in the operating area. This allows exhaust gases to interfere with each other in the muffler. Thus, the exhaust sound can be reduced and the muffler can be downsized. This allows for the sliming of the vehicle body without lowering the output of the engine.
摘要:
A polarizing device including a plurality of polarized light radiating units for radiating polarized light rays each of which is polarized in a particular direction, a rotary reflector for receiving light rays emitted by the plurality of polarized light radiating units while being rotated and for outputting reflected light in a certain direction, and an analyzer disposed midway an optical path of the reflected light from the rotary reflector to set a polarization direction of the reflected light in a certain direction, wherein each of the polarized light radiating units includes a light source, a polarizer for setting a polarization direction of light from the light source, and a first compensator for compensating for a change in a state of polarization attributable to the rotary reflector, and the plurality of polarized light radiating units are disposed in a radial arrangement that is centered at the rotary reflector.
摘要:
A clamping tool having a clamping head, a cylinder member coupled to an edge portion of the clamping head, a ram member coupled to and movably arranged within the cylinder member, a first die member coupled to the clamping head, and a second die member arranged to face the first die member and movable by the ram member toward and away from the first die member, wherein at least the clamping head is formed of a composite material prepared by dispersing at least one reinforcing material selected from the group consisting of ceramic fibers, ceramic whiskers and ceramic particles into a matrix metal consisting essentially of an aluminum alloy or a magnesium alloy. The clamping head is light, has a high Young's modulus, exhibits a high fatigue resistance, and is free from cracking and scattering of the cracked pieces. The clamping tool permits an operator to operate the clamping tool under a safe environment, and lessens the burden given to the operator, leading to an improved working efficiency.