公开(公告)号：US20080025520A1

公开(公告)日：2008-01-31

申请号：US11881451

申请日：2007-07-27

申请人： Mitsuteru Sakai ,  Yosuke Sato

发明人： Mitsuteru Sakai ,  Yosuke Sato

IPC分类号： H04S3/00

CPC分类号： H04S7/30 ,  H04S2400/13

摘要： A gain switching unit receives each of plural gain control data at a different timing, and repeats that process until a switching instruction data is received. Upon receipt of the switching instruction data, the gain switching unit, based on the plural gain control data received so far, switches at an equal timing the respective gain of the variable gain amplifier of each channel that the plural gain control data intend respectively as an object of volume switching.

摘要翻译： 增益切换单元以不同的定时接收多个增益控制数据中的每一个，并重复该处理直到接收到切换指令数据。 在接收到切换指示数据时，增益切换单元基于迄今为止接收的多个增益控制数据，以相等的时刻切换多个增益控制数据分别作为每个通道的各个通道的可变增益放大器的各自增益 音量切换的对象。

公开(公告)号：US4988271A

公开(公告)日：1991-01-29

申请号：US70774

申请日：1987-07-07

申请人： Sadao Kumasaka ,  Satomi Tada ,  Koretoshi Katsuki ,  Osamu Fujii ,  Tutomu Yamamoto ,  Ryoji Nagamine ,  Kazuo Hashimoto ,  Masao Idei ,  Yosuke Sato ,  Kazuo Ibata

发明人： Sadao Kumasaka ,  Satomi Tada ,  Koretoshi Katsuki ,  Osamu Fujii ,  Tutomu Yamamoto ,  Ryoji Nagamine ,  Kazuo Hashimoto ,  Masao Idei ,  Yosuke Sato ,  Kazuo Ibata

IPC分类号： B29C44/34 ,  B29C44/58 ,  B29C44/60

CPC分类号： B29C44/586 ,  B29C44/3403 ,  B29C44/60 ,  B29C2791/006 ,  B29K2075/00

摘要： A method of producing polyurethane foam slab by allowing a urethane foam stock solution in a tank to expand in a reduced pressure. The flatness of the top of the polyurethane foam is secured by providing a lifting jig or a plate within the tank, or by rotating the tank. An apparatus for carrying out the method is also provided.