Abstract: An IP database includes a system level IP used in system level design. IPs A and B in the system level IP are divided into processing algorithm description portions, input data structure definition portions and output data structure definition portions. When a communication channel is provided between the IPs communicating data in architecture or functional design, a conversion circuit generating means generates a data conversion circuit between the communication channel and each of the IPs with reference to the IP database.

Abstract: An IP database includes a system level IP used in system level design. IPs A and B in the system level IP are divided into processing algorithm description portions, input data structure definition portions and output data structure definition portions. When a communication channel is provided between the IPs communicating data in architecture or functional design, a conversion circuit generating means generates a data conversion circuit between the communication channel and each of the IPs with reference to the IP database.

Abstract: A crusher comprises first and second rotating crusher bodies installed on two rotatably supported shafts spaced apart from each other, and having crusher blades provided on their outer peripheries. A first compression board is positioned at one side of both of the crusher bodies, forming a crushing passage with one side of these rotating crusher bodies, and is capable of compressing an object passing through this crushing passage. A gate board is located below the first compression board and opens and closes the crushing passage.

Abstract: The crusher of the present invention is for crushing metal blocks obtained by compressing abandoned cars and metal scraps, where the inside of the casing having a discharge opening is equipped with pressing rolls in the upper part, a crushing roll arranged in the middle below the pressing rolls and a pressing body arranged close to the crushing roll, where the pressing rolls and the crushing roll are provided with blades protruding from the circumference, while the pressing body is provided with pressing blades on its circumference near the crushing roll and is arranged so that it can freely come closer to or away from the crushing roll.