公开(公告)号：US20060239630A1

公开(公告)日：2006-10-26

申请号：US10546618

申请日：2004-11-22

申请人： Kazutoshi Hase ,  Hiroaki Yamamoto ,  Kuniaki Utsumi

发明人： Kazutoshi Hase ,  Hiroaki Yamamoto ,  Kuniaki Utsumi

IPC分类号： G02B6/00

CPC分类号： H04B10/25759 ,  H03F3/08

摘要： An optical fiber radio transmission system is provided which is capable of considerably improving the received dynamic range of radio signals and, in addition, is capable of optically transmitting radio signals while preventing the deterioration of transmission performance and the loss of linearity of an input signal more easily. A received level detection section 111 detects which one of predetermined levels, i.e., Level I, Level II, and Level III, the received level of a radio signal received by an antenna 400 falls under. A signal control section 112 performs an amplification/attenuation process on the radio signal in accordance with the detected level. A control information sending section 113 superimposes control information indicating the detected level on a primary signal obtained after the amplification/attenuation process. This signal is converted to an optical signal and transmitted. An optical to electrical conversion section 211 converts the optical signal received from a transmitting unit to an electrical signal. A control information extraction section 212 extracts the level from the control information, which has been superimposed on the primary signal. A signal control section 213 performs an amplification/attenuation process on the primary signal in accordance with the extracted level.

摘要翻译： 提供了一种光纤无线电传输系统，其能够显着地改善无线电信号的接收动态范围，并且还能够光学地传输无线电信号，同时防止传输性能的恶化和输入信号的线性度的损失更多 容易。 接收电平检测部分111检测由天线400接收的无线电信号的接收电平的预定电平即电平I，电平II和电平III中的哪一个下降。 信号控制部分112根据检测到的电平对无线电信号进行放大/衰减处理。 控制信息发送部113将表示检测电平的控制信息叠加在放大/衰减处理后获得的主信号上。 该信号被转换成光信号并发送。 光电转换部分211将从发送单元接收的光信号转换为电信号。 控制信息提取部212从叠加在主信号上的控制信息中提取电平。 信号控制部213根据提取的电平对主信号进行放大/衰减处理。

公开(公告)号：US07583899B2

公开(公告)日：2009-09-01

申请号：US11498144

申请日：2006-08-03

申请人： Hiroyuki Sasai ,  Tomoaki Ieda ,  Kazutoshi Hase

发明人： Hiroyuki Sasai ,  Tomoaki Ieda ,  Kazutoshi Hase

IPC分类号： H04B10/10

CPC分类号： H04B10/118

摘要： A space optical transmission apparatus is provided which achieves high-speed simultaneous space optical transmission with respect to a plurality of terminals. In the space optical transmission apparatus, a light receiving section receives an optical signal from a terminal. A control section estimates how much optical axes of a master station and the terminal are deviated from each other, based on the received optical signal. The control section selects one of a plurality of light sources which requires a smallest amount of shift of an optical axis thereof, based on the estimated optical axis deviation amount, so as to communicate with the terminal.

摘要翻译： 提供一种实现相对于多个终端的高速同时空间光传输的空间光传输装置。 在空间光传输装置中，光接收部从端子接收光信号。 控制部基于接收到的光信号，估计主站和终端的光轴彼此偏离多少。 控制部基于估计的光轴偏差量选择需要其光轴的最小偏移量的多个光源中的一个，以便与终端通信。

公开(公告)号：US20110287731A1

公开(公告)日：2011-11-24

申请号：US13146328

申请日：2010-01-28

申请人： Kazutoshi Hase

发明人： Kazutoshi Hase

IPC分类号： H04B7/00 ,  H01Q21/00

CPC分类号： H01Q21/24 ,  H01Q9/16 ,  H01Q9/30

摘要： An antenna is capable of receiving radio waves, including a monopole antenna connected to a first feeding point and formed of a first linear line; and a dipole antenna including plural linear lines connected to a second feeding point. The dipole antenna is composed of a second linear line made of plural linear lines disposed substantially equidistant from the first linear line and substantially parallel to the first linear line; and a third linear line substantially orthogonal to the second linear line. Electric currents are excited through the plural linear line forming the second linear line in directions opposite to each other. The monopole antenna is on substantially the same plane as the dipole antenna.

摘要翻译： 天线能够接收无线电波，包括连接到第一馈电点并由第一线性线形成的单极天线; 以及包括连接到第二馈电点的多条线性线的偶极天线。 偶极天线由与第一线性线基本上等距离设置并且基本上平行于第一线性线的多条线性线构成的第二直线构成; 以及基本上与第二线性线正交的第三线性线。 通过在彼此相反的方向上形成第二线性线的多条线性线激发电流。 单极天线与偶极天线基本相同。

公开(公告)号：US07912379B2

公开(公告)日：2011-03-22

申请号：US12280076

申请日：2007-02-20

申请人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

发明人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

IPC分类号： H04B10/20

CPC分类号： H04B10/502 ,  H04B10/564

摘要： A peaking current generating section generates a spire-shaped peaking current that is in synchronism with the transitions of the digital signal, at the rising edge and the falling edge. A light emitting element driving section produces a driving current obtained by combining together a signal amplitude current according to the amplitude of the digital signal and the peaking current. Then, the light emitting element driving section drives a light emitting element by using the driving current. A signal analysis section analyzes the digital signal so as to set a control signal based on the pulse width of the digital signal. A clipping section clips the peaking current of the driving current according to the control signal set by the signal analysis section.

摘要翻译： 峰值电流产生部分在上升沿和下降沿产生与数字信号的转变同步的尖峰形峰值电流。 发光元件驱动部产生通过根据数字信号的振幅和峰值电流组合信号幅度电流而获得的驱动电流。 然后，发光元件驱动部通过使用驱动电流来驱动发光元件。 信号分析部分分析数字信号，以便根据数字信号的脉冲宽度来设置控制信号。 剪辑部分根据由信号分析部分设置的控制信号剪切驱动电流的峰值电流。

公开(公告)号：US20070171946A1

公开(公告)日：2007-07-26

申请号：US11657105

申请日：2007-01-24

申请人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

发明人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

IPC分类号： H01S3/13

CPC分类号： H01S5/06832 ,  H01S5/0427 ,  H04B10/504 ,  H04B10/508

摘要： A first peaking current generating section 1 generates a first peaking current P1 in synchronism with the transitions of a digital signal S, being positive at the rising edge and negative at the falling edge. A second peaking current generating section 3 generates a second peaking current P2 in synchronism with the transitions of the digital signal S, being negative at the rising edge and positive at the falling edge. A first light emitting element driving section 2 produces a first driving current D1 obtained by combining together a signal amplitude current according to the amplitude of the digital signal S and a first peaking current P1. A second light emitting element driving section 4 produces a second driving current D2 obtained by combining together the signal amplitude current according to the amplitude of the digital signal S and a second peaking current P2. Then, the first and second light emitting element driving sections 2 and 4 drive the light emitting element 5 by using a driving current D3 obtained by subtracting the first driving current D1 from the second driving current D2.

摘要翻译： 第一峰值电流产生部分1与数字信号S的跃迁同步地产生第一峰值电流P 1，其在上升沿为正，在下降沿为负。 第二峰值电流产生部分3产生与数字信号S的跃迁同步的第二峰值电流P 2，在上升沿为负，在下降沿为正。 第一发光元件驱动部分2产生通过根据数字信号S的振幅和第一峰值电流P1将信号幅度电流组合在一起获得的第一驱动电流D1。第二发光元件驱动部分4产生第二驱动电流 通过根据数字信号S的振幅和第二峰值电流P 2将信号幅度电流组合在一起而获得的驱动电流D 2。然后，第一和第二发光元件驱动部分2,4驱动发光元件5 使用从第二驱动电流D 2减去第一驱动电流D 1而获得的驱动电流D 3。

公开(公告)号：US07907852B2

公开(公告)日：2011-03-15

申请号：US11657105

申请日：2007-01-24

申请人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

发明人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

IPC分类号： H04B10/20

CPC分类号： H01S5/06832 ,  H01S5/0427 ,  H04B10/504 ,  H04B10/508

摘要： A first peaking current generating section generates a first peaking current in synchronism with the transitions of a digital signal, being positive at the rising edge and negative at the falling edge. A second peaking current generating section generates a second peaking current in synchronism with the transitions of the digital signal, being negative at the rising edge and positive at the falling edge. A first light emitting element driving section produces a first driving current obtained by combining together a signal amplitude current according to the amplitude of the digital signal and a first peaking current. A second light emitting element driving section produces a second driving current obtained by combining together the signal amplitude current according to the amplitude of the digital signal and a second peaking current. Then, the first and second light emitting element driving sections and drive the light emitting element by using a driving current obtained by subtracting the first driving current from the second driving current.

摘要翻译： 第一峰值电流产生部分与数字信号的转变同步地产生第一峰值电流，在上升沿为正，在下降沿为负。 第二峰值电流产生部分与数字信号的转变同步产生第二峰值电流，在上升沿为负，在下降沿为正。 第一发光元件驱动部产生通过根据数字信号的振幅和第一峰值电流组合信号幅度电流而获得的第一驱动电流。 第二发光元件驱动部产生通过根据数字信号的振幅和第二峰值电流组合信号振幅电流而获得的第二驱动电流。 然后，第一和第二发光元件驱动部分通过使用从第二驱动电流减去第一驱动电流而获得的驱动电流来驱动发光元件。

公开(公告)号：US20070206952A1

公开(公告)日：2007-09-06

申请号：US11498149

申请日：2006-08-03

申请人： Kazutoshi Hase ,  Hideo Yasumoto ,  Keisuke Kinoshita ,  Tomoaki Ieda ,  Hiroyuki Sasai

发明人： Kazutoshi Hase ,  Hideo Yasumoto ,  Keisuke Kinoshita ,  Tomoaki Ieda ,  Hiroyuki Sasai

IPC分类号： H04B10/00

CPC分类号： G02B26/0875 ,  G02B3/14 ,  G02B5/0242 ,  G02B5/0278 ,  G02B5/0294 ,  G02B7/006 ,  H04B10/1121

摘要： An optical transmission apparatus is provided in which high optical output power is secured in an optical transmitter, the fine adjustment of the optical axis is unnecessary, and the propagation range of the optical output signal can be adaptively changed. A diffusing liquid lens includes a first liquid and a second liquid containing a scattering material that scatters light, and the curvature of the boundary surface between the first and the second liquids is changed according to the control voltage applied from a controlling unit. A first optical signal outputted from a light emitting device is diffused in the first liquid, and emitted as a second optical signal having a spread angle corresponding to the curvature of the boundary surface and a substantially uniform radiant intensity distribution.

摘要翻译： 提供了一种在光发射机中确保高光输出功率的光传输装置，不需要光轴的微调，可以适应地改变光输出信号的传播范围。 扩散液体透镜包括第一液体和含有散射光的散射材料的第二液体，并且第一和第二液体之间的边界面的曲率根据从控制单元施加的控制电压而改变。 从发光器件输出的第一光信号在第一液体中扩散，并且作为具有对应于边界表面的曲率的扩展角的第二光信号和基本均匀的辐射强度分布发射。

公开(公告)号：US20070031149A1

公开(公告)日：2007-02-08

申请号：US11498144

申请日：2006-08-03

申请人： Hiroyuki Sasai ,  Tomoaki Ieda ,  Kazutoshi Hase

发明人： Hiroyuki Sasai ,  Tomoaki Ieda ,  Kazutoshi Hase

IPC分类号： H04B10/00

CPC分类号： H04B10/118

摘要： A space optical transmission apparatus is provided which achieves high-speed simultaneous space optical transmission with respect to a plurality of terminals. In the space optical transmission apparatus, a light receiving section receives an optical signal from a terminal. A control section estimates how much optical axes of a master station and the terminal are deviated from each other, based on the received optical signal. The control section selects one of a plurality of light sources which requires a smallest amount of shift of an optical axis thereof, based on the estimated optical axis deviation amount, so as to communicate with the terminal.

摘要翻译： 提供一种实现相对于多个终端的高速同时空间光传输的空间光传输装置。 在空间光传输装置中，光接收部从端子接收光信号。 控制部基于接收到的光信号，估计主站和终端的光轴彼此偏离多少。 控制部基于估计的光轴偏差量选择需要其光轴的最小偏移量的多个光源中的一个，以便与终端通信。

公开(公告)号：US20100166436A1

公开(公告)日：2010-07-01

申请号：US12280076

申请日：2007-02-20

申请人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

发明人： Kazutoshi Hase ,  Hiroyuki Sasai ,  Tomoaki Ieda

IPC分类号： H04B10/04

CPC分类号： H04B10/502 ,  H04B10/564

摘要： A peaking current generating section (2) generates a spire-shaped peaking current that is in synchronism with the transitions of the digital signal (S), at the rising edge and the falling edge. A light emitting element driving section (5) produces a driving current obtained by combining together a signal amplitude current according to the amplitude of the digital signal (S) and the peaking current. Then, the light emitting element driving section (5) drives a light emitting element (1) by using the driving current. A signal analysis section (9) analyzes the digital signal (S) so as to set a control signal based on the pulse width of the digital signal (S). A clipping section (8) clips the peaking current of the driving current according to the control signal set by the signal analysis section (9).

摘要翻译： 峰值电流产生部分（2）在上升沿和下降沿产生与数字信号（S）的转变同步的尖峰形峰值电流。 发光元件驱动部（5）产生通过根据数字信号（S）的振幅和峰化电流组合信号振幅电流而获得的驱动电流。 然后，发光元件驱动部（5）通过使用驱动电流来驱动发光元件（1）。 信号分析部（9）分析数字信号（S），以便根据数字信号（S）的脉冲宽度设定控制信号。 剪辑部分（8）根据由信号分析部分（9）设置的控制信号剪切驱动电流的峰值电流。

公开(公告)号：US07657182B2

公开(公告)日：2010-02-02

申请号：US11498149

申请日：2006-08-03

申请人： Kazutoshi Hase ,  Hideo Yasumoto ,  Keisuke Kinoshita ,  Tomoaki Ieda ,  Hiroyuki Sasai

发明人： Kazutoshi Hase ,  Hideo Yasumoto ,  Keisuke Kinoshita ,  Tomoaki Ieda ,  Hiroyuki Sasai

IPC分类号： H04B10/00 ,  G02B3/14

CPC分类号： G02B26/0875 ,  G02B3/14 ,  G02B5/0242 ,  G02B5/0278 ,  G02B5/0294 ,  G02B7/006 ,  H04B10/1121

摘要： An optical transmission apparatus is provided in which high optical output power is secured in an optical transmitter, the fine adjustment of the optical axis is unnecessary, and the propagation range of the optical output signal can be adaptively changed. A diffusing liquid lens includes a first liquid and a second liquid containing a scattering material that scatters light, and the curvature of the boundary surface between the first and the second liquids is changed according to the control voltage applied from a controlling unit. A first optical signal outputted from a light emitting device is diffused in the first liquid, and emitted as a second optical signal having a spread angle corresponding to the curvature of the boundary surface and a substantially uniform radiant intensity distribution.

摘要翻译： 提供了一种在光发射机中确保高光输出功率的光传输装置，不需要光轴的微调，可以适应地改变光输出信号的传播范围。 扩散液体透镜包括第一液体和含有散射光的散射材料的第二液体，并且第一和第二液体之间的边界面的曲率根据从控制单元施加的控制电压而改变。 从发光器件输出的第一光信号在第一液体中扩散，并且作为具有对应于边界表面的曲率的扩展角的第二光信号和基本均匀的辐射强度分布发射。