公开(公告)号：US20060135191A1

公开(公告)日：2006-06-22

申请号：US11302324

申请日：2005-12-14

Applicant: Takayuki Matsui ,  Taro Mikami ,  Tadao Inoue

Inventor： Takayuki Matsui ,  Taro Mikami ,  Tadao Inoue

IPC: H04B7/00

CPC classification number: H04B17/309 ,  H04B17/24 ,  H04B17/318 ,  H04B17/382

Abstract: In measurement of wireless channels in an IEEE 802.11 wireless local area network (WLAN), in the case of multi-channel measurement as in North America in which eight wireless channels Ch1 through Ch8 are available, channel measurement according to a predetermined algorithm is made in which odd-numbered channels Ch1, Ch3, Ch5 and Ch7 are first measured, and if radio interference occurs in channel Ch5, channels Ch4 and Ch6 adjacent to channel Ch5 are measured. This shortens the measurement time that conventionally corresponds to measurement of the eight channels to the time of six channels, i.e., the sum of the measurement time for the odd-numbered channels and that for the channels adjacent to the interference-occurring channel.

Abstract translation: 在IEEE 802.11无线局域网（WLAN）中的无线信道的测量中，在北美的多信道测量的情况下，其中八个无线信道Ch 1至Ch 8可用，根据预定算法的信道测量是 首先测量奇数通道Ch 1，Ch 3，Ch 5和Ch 7，并且如果在通道Ch 5中发生无线电干扰，则测量与通道Ch 5相邻的通道Ch 4和Ch 6。 这将通常对应于八个信道的测量的测量时间缩短到六个信道的时间，即奇数信道的测量时间和与干扰发生信道相邻的信道的测量时间之和。

公开(公告)号：US06975813B1

公开(公告)日：2005-12-13

申请号：US09505783

申请日：2000-02-17

Applicant: Tadao Inoue ,  Tadashi Ikeuchi ,  Hiroyuki Rokugawa ,  Masaaki Kawai ,  Norio Ueno ,  Norio Murakami ,  Toru Matsuyama ,  Makoto Miki ,  Toshiyuki Takauji

Inventor： Tadao Inoue ,  Tadashi Ikeuchi ,  Hiroyuki Rokugawa ,  Masaaki Kawai ,  Norio Ueno ,  Norio Murakami ,  Toru Matsuyama ,  Makoto Miki ,  Toshiyuki Takauji

IPC: H01L33/00 ,  H01S5/00 ,  H01S5/068 ,  H01S5/0683 ,  H04B10/04 ,  H01S3/00 ,  H01S3/13

CPC classification number: H01S5/0683 ,  H01S5/06825

Abstract: Using a switching signal from a coarse/fine switching and operation mode switching circuit, the width of change of a counter control value during power up is increased, and the width of change is reduced once a steady state is reached. In the steady state, the frequency of updating is limited by a control signal from an update permit control circuit. In the steady state, the frequency band of a current source in an LD driving circuit is reduced in width.

Abstract translation: 使用来自粗/精切换和动作模式切换电路的切换信号，上电期间的计数器控制值的变化幅度增大，一旦达到稳定状态，则变化幅度减小。 在稳定状态下，更新频率受来自更新许可控制电路的控制信号的限制。 在稳态中，LD驱动电路中的电流源的频带宽度减小。