公开(公告)号：US06754315B1

公开(公告)日：2004-06-22

申请号：US09598315

申请日：2000-06-21

申请人： Takeshi Miura ,  Nobuo Uee ,  Mitsuru Nishitsuka

发明人： Takeshi Miura ,  Nobuo Uee ,  Mitsuru Nishitsuka

IPC分类号： H04M1100

CPC分类号： H04M7/0069 ,  H04M7/006 ,  H04M2203/2066

摘要： A CATV station 1 for broadcasting a television program is connected to an internet network B. The CATV station 1 is connected to a terminal device 2. The terminal device includes a tuner section T for receiving a broadcasting signal for the television program transmitted from the CATV station, an interface section S for making transmission/reception of a telephone signal for the internet network B and a switching circuit 5 which is connected to the interface section, a telephone set 3 and a public switched phone network C. The switching circuit 5 selectively connects the telephone set 3 to the interface section S or the public switched phone network. In this configuration, the internet telephone can be used without doing troublesome operations, and the public switched phone network or internet network can be selected according to the facility of the internet terminal device on the side of a called party so that telephone call can be executed easily.

摘要翻译： 用于广播电视节目的CATV站1连接到因特网网络B. CATV站1连接到终端设备2.终端设备包括用于接收从CATV发送的电视节目的广播信号的调谐器部分T 站，用于进行因特网网络B的电话信号的发送/接收的接口部分S和连接到接口部分的切换电路5，电话机3和公共交换电话网络C.切换电路5选择性地 将电话机3连接到接口部分S或公共交换电话网络。 在这种配置中，可以使用互联网电话而不做麻烦的操作，并且可以根据被叫方侧的因特网终端设备的设施选择公共交换电话网络或因特网，以便可以执行电话呼叫 容易。

公开(公告)号：US07188356B1

公开(公告)日：2007-03-06

申请号：US09714510

申请日：2000-11-17

申请人： Takeshi Miura ,  Mitsuru Nishitsuka ,  Nobuo Uee ,  Akihiko Naito

发明人： Takeshi Miura ,  Mitsuru Nishitsuka ,  Nobuo Uee ,  Akihiko Naito

IPC分类号： G06F13/00 ,  G06F3/00 ,  H04N5/445 ,  H04N7/173

CPC分类号： H04N5/445 ,  H04N5/4403 ,  H04N5/44543 ,  H04N5/44582 ,  H04N21/23106 ,  H04N21/2408 ,  H04N21/252 ,  H04N21/26283 ,  H04N21/44222 ,  H04N21/47202 ,  H04N21/47208 ,  H04N21/4821 ,  H04N21/6118 ,  H04N21/6547 ,  H04N21/6581 ,  H04N21/6582

摘要： A program transmitting/receiving system has a center device and a terminal device connected through a communication device to the center device. The center device has a program information memory, a program information transmitter, a broadcasting device, and a request program transmitter. The terminal device has a program information receiver, a program receiver, an image information generator, a program request signal transmitter, and a request program receiver. The memory stores a program information. The program information transmitter transmits the program information to the terminal device. The broadcasting device broadcasts the program to the terminal device in accordance with a schedule, and stores the program. The request program transmitter receives a request signal of the program from the terminal device, and transmits the program corresponding to the request signal to the terminal device. Then, the program information receiver receives the program information. The a program receiver receives the program. The image information generator generates an image information for a program selection of a user on the basis of the program information. The program request signal transmitter transmits the request signal of the program selected by the user to the center device, if the program selected in accordance with the image information is a past broadcast program. The request program receiver receives the program corresponding to the request signal.

摘要翻译： 程序发送/接收系统具有通过通信设备连接到中心设备的中心设备和终端设备。 中心装置具有程序信息存储器，程序信息发送器，广播装置和请求程序发送器。 终端装置具有程序信息接收器，程序接收器，图像信息发生器，程序请求信号发送器和请求程序接收器。 存储器存储程序信息。 程序信息发送器将程序信息发送到终端设备。 广播设备根据时间表将节目广播到终端设备，并存储该节目。 请求程序发送器从终端装置接收节目的请求信号，并将与请求信号对应的节目发送到终端装置。 然后，节目信息接收器接收节目信息。 程序接收器接收程序。 图像信息发生器基于节目信息生成用于节目选择的图像信息。 如果根据图像信息选择的节目是过去的广播节目，节目请求信号发射机将由用户选择的节目的请求信号发送到中心设备。 请求程序接收器接收与请求信号对应的程序。

公开(公告)号：US06996837B1

公开(公告)日：2006-02-07

申请号：US09639085

申请日：2000-08-16

申请人： Takeshi Miura ,  Nobuo Uee ,  Mitsuru Nishitsuka

发明人： Takeshi Miura ,  Nobuo Uee ,  Mitsuru Nishitsuka

IPC分类号： H04N7/18

CPC分类号： H04N21/44236 ,  H04N5/38 ,  H04N5/44 ,  H04N5/775 ,  H04N7/106 ,  H04N7/16 ,  H04N21/4263 ,  H04N21/43615 ,  H04N21/4367

摘要： Terminal equipment has a master terminal (1) and a slave terminal (2), the master terminal (1) includes a first tuner (TA) receiving the cablecast signal for television programming delivered from the cable television station, and applying an image signal produced from the cablecast signal to a first television receiver (3); a second tuner (TB) receiving a cablecast signal, and applying an image signal produced from the cablecast signal; and a transmitter/receiver (RT) radio-transmitting the image signal output from the second tuner section, the slave terminal (2) includes a radio-receiving section for receiving the image signal transmitted from the transmitter/receiver (RT) of the master terminal (1), and applying the image signal, received by the radio-receiving section, to a second television receiver (5).

摘要翻译： 终端设备具有主终端（1）和从终端（2），主终端（1）包括接收从有线电视台传送的用于电视节目的有线电视信号的第一调谐器（TA），并且应用产生的图像信号 从有线广播信号到第一电视接收机（3）; 接收有线广播信号的第二调谐器（TB），以及应用由所述有线电视信号产生的图像信号; 以及从第二调谐器部分输出的图像信号的发射机/接收机（RT），从属终端（2）包括：无线电接收部分，用于接收从主机的发射机/接收机（RT）发送的图像信号 终端（1），并将由无线电接收部分接收的图像信号应用于第二电视接收机（5）。

公开(公告)号：US06515311B1

公开(公告)日：2003-02-04

申请号：US09576859

申请日：2000-05-22

申请人： Mitsuru Nishitsuka ,  Kiyofumi Chikuma

发明人： Mitsuru Nishitsuka ,  Kiyofumi Chikuma

IPC分类号： H01L3300

CPC分类号： H01S5/32341 ,  H01S5/2004 ,  H01S5/2231

摘要： A GaN based semiconductor laser device which can prevent guided mode light emitted from the active layer from leaking through the cladding layer to the underlying layer without making the cladding layer excessively thick is provided. The device is characterized in that if an n-type cladding layer, a waveguide layer and a p-type cladding layer are collectively defined as a first three-layer waveguide path and a substrate, an underlying layer and an n-type cladding layer are collectively defined as a second three-layer waveguide path, then effective refractive indices of light propagating through the first and second three-layer waveguide paths are set different from each other.

摘要翻译： 提供了一种能够防止从有源层发射的引导模式的光透过包覆层泄漏到下层而不使覆层过厚的GaN基半导体激光器件。 该装置的特征在于，如果将n型包覆层，波导层和p型包覆层共同定义为第一三层波导路径和基板，则下层和n型包覆层为 共同定义为第二三层波导路径，则传播通过第一和第二三层波导路径的光的有效折射率被设定为彼此不同。

公开(公告)号：US06329667B1

公开(公告)日：2001-12-11

申请号：US09497695

申请日：2000-02-08

申请人： Hiroyuki Ota ,  Mitsuru Nishitsuka ,  Hirokazu Takahashi

发明人： Hiroyuki Ota ,  Mitsuru Nishitsuka ,  Hirokazu Takahashi

IPC分类号： H01L2906

CPC分类号： H01L33/02 ,  H01L33/06 ,  H01L33/32 ,  H01S5/0207 ,  H01S5/10 ,  H01S5/2081 ,  H01S5/32341

摘要： A nitride semiconductor light emitting device having preferable light emitting characteristics even if dense threading dislocations extend through single crystal layers. The nitride semiconductor light emitting device includes an active layer obtained by depositing group-3 nitride semiconductors, and a barrier layer disposed adjacent to the active layer and having a greater bandgap than that of the active layer, the active layer having barrier portions which surround the threading dislocations and are defined by interfaces enclosing the threading dislocation and which are made of the same material as that of the barrier layer.

摘要翻译： 即使致密的穿透位错延伸穿过单晶层，也具有优选的发光特性的氮化物半导体发光器件。 氮化物半导体发光器件包括通过沉积III族氮化物半导体获得的有源层和与有源层相邻设置并且具有比有源层更大的带隙的势垒层，所述有源层具有包围所述有源层的势垒部分 穿透位错并且由包围穿透位错的界面限定，并且由与阻挡层相同的材料制成。

公开(公告)号：US06748001B1

公开(公告)日：2004-06-08

申请号：US09516731

申请日：2000-03-01

申请人： Mitsuru Nishitsuka ,  Hiroyuki Ota ,  Kiyofumi Chikuma

发明人： Mitsuru Nishitsuka ,  Hiroyuki Ota ,  Kiyofumi Chikuma

IPC分类号： H01S500

CPC分类号： G11B7/1275 ,  G11B2007/0006 ,  H01S5/0425 ,  H01S5/22 ,  H01S5/32316 ,  H01S5/32341 ,  H01S5/4025 ,  H01S5/405 ,  H01S5/4087

摘要： An object of the present invention is to provide a semiconductor laser device which is capable of selectively emitting two kinds of laser light of light emitting characteristics differing in wavelength, light emission point, beam shape, light emission power, longitudinal mode and so on, by switching the direction of the voltage applied to the device. There is provided the semiconductor laser device including first and second laser units, each unit having a ridge type structure and each unit comprising a multilayer structure body made of at least an n-type semiconductor layer, an active layer and a p-type semiconductor layer deposited in this order, and a p-side electrode and an n-side electrode, wherein the p-side electrode and the n-side electrode of the first laser unit and the n-side electrode and the p-side electrode of the second laser unit are electrically connected, respectively.

摘要翻译： 本发明的目的是提供一种能够选择性地发射波长不同，发光点，光束形状，发光功率，纵向模式等的发光特性的两种激光的半导体激光装置，其中， 切换施加到设备的电压的方向。 提供了包括第一和第二激光单元的半导体激光装置，每个单元具有脊型结构，并且每个单元包括由至少n型半导体层，有源层和p型半导体层制成的多层结构体 以及p侧电极和n侧电极，其中第一激光单元的p侧电极和n侧电极以及第二激光单元的n侧电极和p侧电极 激光单元分别电连接。

公开(公告)号：US06537839B2

公开(公告)日：2003-03-25

申请号：US09987948

申请日：2001-11-16

申请人： Hiroyuki Ota ,  Mitsuru Nishitsuka ,  Hirokazu Takahashi

发明人： Hiroyuki Ota ,  Mitsuru Nishitsuka ,  Hirokazu Takahashi

IPC分类号： H01L2100

CPC分类号： H01L33/02 ,  H01L33/06 ,  H01L33/32 ,  H01S5/0207 ,  H01S5/10 ,  H01S5/2081 ,  H01S5/32341

摘要： A nitride semiconductor light emitting device having preferable light emitting characteristics even if dense threading dislocations extend through single crystal layers. The nitride semiconductor light emitting device includes an active layer obtained by depositing group-3 nitride semiconductors, and a barrier layer disposed adjacent to the active layer and having a greater bandgap than that of the active layer, the active layer having barrier portions which surround the threading dislocations and are defined by interfaces enclosing the threading dislocation and which are made of the same material as that of the barrier layer.

摘要翻译： 氮化物半导体发光器件即使致密的穿透位错延伸穿过单晶层，也具有优选的发光特性。氮化物半导体发光器件包括通过沉积III族氮化物半导体而获得的有源层和与活性物质相邻设置的势垒层 并且具有比有源层的带隙更大的带隙，所述有源层具有围绕穿透位错的阻挡部分，并且由包围穿透位错的界面限定，并且由与阻挡层的材料相同的材料制成。

公开(公告)号：US5060216A

公开(公告)日：1991-10-22

申请号：US591176

申请日：1990-10-01

申请人： Toshio Suzuki ,  Mitsuru Nishitsuka

发明人： Toshio Suzuki ,  Mitsuru Nishitsuka

IPC分类号： G11B7/09

CPC分类号： G11B7/0941 ,  G11B7/0948 ,  G11B7/0906

摘要： In the tracking control unit of an optical information reading apparatus to perform "Heterodyne Method", electric signals from the respective quadrant-separated subdetectors are inputted to a first adder to obtain a reference sum total signal whose phase is 0.degree.. Regarding phase difference, the sum total signal is compared with a first electric signal from an arbitrary one of the quadrant-separated subdetectors and a second electric signal from the other of the subdetectors located in the diagonal relationship with respect to the arbitrary subdetector, respectively, to produce a first and a second phase compared result signals which are added to each other by a second adder whereby a precise tracking control can be attained irrespective of the existence of any scratch or stain.