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    • 2. 发明授权
    • Error detecting device and method
    • 错误检测装置和方法
    • US06434717B1
    • 2002-08-13
    • US09417516
    • 1999-10-13
    • Masatsugu Fujii
    • Masatsugu Fujii
    • H03M1300
    • H03M13/09
    • A table describing the time transition relationships between flip-flops within a CRC circuit on a transmitting side is transformed, so that a table inverting the time transition relationships is generated. An inverse CRC circuit is generated based on the generated table. A CRC parity bit obtained by performing viterbi decoding is set as an initial state in respective flop-flops within the inverse CRC circuit. The portion except for the CRC parity bit of the decoded data is sequentially input and an operation is performed. When the entire decoded data is input, an initial state detecting unit determines that an error exists in reception data if the initial values set in the respective flip-flops within the CRC circuit by the transmitting side are not set in the respective flip-flops within the inverse CRC circuit.
    • 描述发送侧的CRC电路内的触发器之间的时间转移关系的表被变换,从而产生反转时间转移关系的表。 基于生成的表生成逆CRC电路。 通过执行维特比解码获得的CRC奇偶校验位在反CRC电路内的各个触发器中被设置为初始状态。 依次输入解码数据的CRC奇偶校验位以外的部分,进行动作。 当输入整个解码数据时,初始状态检测单元确定在发送侧的CRC电路内的各个触发器中设置的初始值未设置在各个触发器内的接收数据中存在错误 逆CRC电路。
    • 3. 发明申请
    • Mobile station capable of using two communication systems
    • 能够使用两个通信系统的移动台
    • US20080125167A1
    • 2008-05-29
    • US11984962
    • 2007-11-26
    • Masatsugu Fujii
    • Masatsugu Fujii
    • H04M1/00
    • H04W48/16H04W48/18H04W52/0216H04W52/0219H04W52/0241H04W88/06Y02D70/164
    • A disclosed mobile station capable of using a plurality of communication systems may reduce power consumption when located in a service area other than that of a communication system that is set during use as a single-mode mobile station. The mobile station has communication processors respectively supporting the two communication systems; a communication unit switching section, which sets communication to either of the two communication systems; and a communication switch selector, which controls the switchover of the set communication system. When the mobile station location is out of communication range for the set communication system, the communication switch selector carries out a search to determine if the mobile station is in the other communication system service area, and if the mobile station is inside the other communication system service area, sets the mobile station to a monitoring mode for regularly monitoring notice information from the base station of the above-mentioned other communication system without carrying out location registration processing.
    • 能够使用多个通信系统的公开的移动站可以在位于除了在使用期间设置为单模移动站的通信系统的服务区域中的功能消耗。 移动台具有分别支持两个通信系统的通信处理器; 通信单元切换部,其将通信设置为两个通信系统中的任一个; 以及控制所述通信系统的切换的通信切换选择器。 当移动台位置超出设定通信系统的通信范围时,通信切换选择器执行搜索以确定移动台是否在另一个通信系统服务区,如果移动台位于另一个通信系统内 将移动台设置为监视模式,用于定期监视来自上述其他通信系统的基站的通知信息,而不进行位置登记处理。
    • 4. 发明授权
    • Coding assisting equipment, decoding assisting equipment, radio transmitter, and radio receiver
    • 编码辅助设备,解码辅助设备,无线电发射机和无线电接收机
    • US06876869B1
    • 2005-04-05
    • US09537786
    • 2000-03-29
    • Masatsugu Fujii
    • Masatsugu Fujii
    • H03M13/29H03M13/09H03M13/23H03M13/37H03M13/41H04B1/38H04B14/04H04L1/00
    • H04L1/0059H03M13/37H04L1/0043H04L1/0061
    • A coding assisting equipment is provided in which transmission information is fed in such a manner as to be divided into words having a predetermined word length and is coded collectively through a computing unit that is formed as a combinational circuit. A decoding assisting equipment is provided in which a received sequence is fed in such a manner as to be divided into words having a predetermined word length and is decoded collectively through a computing unit that is formed as a combinational circuit. A radio transmitter and a radio receiver are provided that incorporates the above coding assisting equipment and the decoding assisting equipment, respectively. In a transmission system to which the invention is applied, the service quality and the transmission efficiency are increased in an inexpensive manner, resources are utilized effectively, and flexible application of a variety of systems is enabled.
    • 提供了一种编码辅助设备,其中发送信息以被划分为具有预定字长的字并且通过形成为组合电路的计算单元集体地进行编码的方式被馈送。 提供了一种解码辅助设备,其中接收的序列以被划分为具有预定字长的字并且通过形成为组合电路的计算单元进行集体解码的方式被馈送。 提供了包括上述编码辅助设备和解码辅助设备的无线电发射机和无线电接收机。 在应用本发明的传输系统中,以便宜的方式增加了服务质量和传输效率,有效地利用了资源,并且实现了各种系统的灵活应用。
    • 5. 发明授权
    • Transceiver apparatus
    • 收发器
    • US06763028B2
    • 2004-07-13
    • US09758085
    • 2001-01-10
    • Masatsugu Fujii
    • Masatsugu Fujii
    • H04L1228
    • H04J13/00H04W28/14
    • A transmitting apparatus is provided with a transmit buffer for each of N-number of services for which the length of encoding time is ni·T (i=1, 2, . . . , N). The transmit buffer has a first storage unit for storing a length ni·T (i=1, 2, . . . , N) of transmit data, and a second storage unit for storing a reference time length T of transmit data. The following operation is carried out on a per-service basis: a length ni·T of transmit data is stored in the transmit buffer in the lengths T at low speed; a length ni·T of transmit data, which has already been stored in the transmit buffer, is read out in burst fashion at high speed in parallel with storage of a succeeding length T of transmit data in the transmit buffer; and storage and read-out of ni·T lengths of transmit data are subsequently performed in parallel in similar fashion and the transmit data that has been read out is input to an encoding processor.
    • 发送装置具有用于编码时间的长度为ni.T(i = 1,2,...,N)的N个业务的每一个的发送缓冲器。 发送缓冲器具有用于存储发送数据的长度ni.T(i = 1,2,...,N)的第一存储单元和用于存储发送数据的基准时间长度T的第二存储单元。 以每个服务为基础进行以下操作:发送数据的长度ni.T以低速存储在长度T的发送缓冲器中; 已经存储在发送缓冲器中的发送数据的长度ni.T以突发方式高速读出,与发送缓冲器中的发送数据的后续长度T的存储并行; 并且随后以类似的方式并行地执行发送数据的ni长度的存储和读出,并且已经读出的发送数据被输入到编码处理器。
    • 6. 发明授权
    • Video camera with multi-connector for supplying video and power
recognition signals
    • 具有多连接器的摄像机,用于提供视频和电源识别信号
    • US6075566A
    • 2000-06-13
    • US037699
    • 1998-03-10
    • Kazunori SuemotoYoshio NakaneKoichi YahagiAkihiro SuzukiKouzo KokubunMasatsugu Fujii
    • Kazunori SuemotoYoshio NakaneKoichi YahagiAkihiro SuzukiKouzo KokubunMasatsugu Fujii
    • G11B31/00H04N5/225H04N5/232H04N5/44H04N5/63H04N5/77
    • H04N5/23241G11B31/006H04N5/2251H04N5/23209H04N5/772H04N5/44H04N5/63
    • A video camera connects a monitor with a camera body. A first multi-connector is connected to the camera body and includes a video output terminal for outputting a video signal to an external apparatus and a recognition output terminal for outputting a recognition signal in response to a ON/OFF state of the camera power. A second multi-connector is connected with the monitor, for connecting to the first multi-connector. The second multi-connector includes a video input terminal for inputting the video signal and a recognition input terminal for inputting the recognition signal from said camera body. A display is also provided for displaying an image based on the video signal inputted from the video input terminal of the second multi-connector and a power controller controls a monitor power to be ON/OFF based on the recognition signal inputted from the second terminal of the second multi-connector. In addition, the recognition output terminal of the first multi-connector is a power recognition terminal for outputting a power recognition signal designating whether the camera power is ON/OFF. Finally, the recognition output terminal of the first multi-connector is a control signal I/O terminal for inputting a control signal in conjunction with outputting a signal designating an operative state of camera. An operation switch operates the camera body and a control signal is output for to the control I/O terminal in response to operation of the operation switch. Also, a camera operation state displays an operative state of the camera based on the signal designating the operative state of camera inputted from the control signal I/O terminal.
    • 摄像机将显示器与相机机身相连。 第一多连接器连接到相机主体,并且包括用于将视频信号输出到外部装置的视频输出端子和用于响应于相机功率的接通/断开状态而输出识别信号的识别输出端子。 第二个多连接器与显示器连接,用于连接到第一个多连接器。 第二多连接器包括用于输入视频信号的视频输入端子和用于输入来自所述相机主体的识别信号的识别输入端子。 还提供了一种用于基于从第二多连接器的视频输入端输入的视频信号来显示图像的显示器,并且功率控制器基于从第二端子输入的识别信号来控制监视功率为ON / OFF 第二个多连接器。 此外,第一多连接器的识别输出端子是用于输出指定摄像机电源是否开/关的功率识别信号的功率识别终端。 最后,第一多连接器的识别输出端子是用于输出控制信号的控制信号I / O端子,同时输出指定相机操作状态的信号。 操作开关操作相机机身,并且响应于操作开关的操作向控制I / O端子输出控制信号。 此外,相机操作状态基于指示从控制信号I / O端子输入的相机的操作状态的信号来显示相机的操作状态。
    • 7. 发明授权
    • Serial thermal printing method
    • 串行热敏打印方式
    • US5581294A
    • 1996-12-03
    • US317370
    • 1994-10-04
    • Masatsugu FujiiHiroyuki Iwasaki
    • Masatsugu FujiiHiroyuki Iwasaki
    • B41J2/355B41J2/345B41J2/36B41J2/38
    • B41J2/3555B41J2/345B41J2/36
    • A thermal head has a plurality of heating elements disposed in line. These heating elements are grouped into sets of four heating elements. Each set records one pixel which is constituted by 4.times.8 cells disposed in a matrix shape. Each cell is selectively recorded with an ink micro dot. A blank section record an nth pixel, and immediately before each heating element faces the first main micro line of an (n+1)th pixel. In the course of this blank section, each time the thermal head moves by a predetermined distance, each heating element is driven by drive data which does not make the heating element turn on. In a preferred embodiment, if an nth pixel has a low density, each heating element is selectively driven to the extent that an ink micro dot is not recorded, so as to preheat the selected heating element in the course of the blank section.
    • 热敏头具有多个沿线排列的加热元件。 这些加热元件被分组成四组加热元件。 每组记录由以矩阵形状排列的4×8个单元构成的一个像素。 选择性地用墨微点记录每个单元。 空白部分记录第n个像素,并且紧接在每个加热元件面对第(n + 1)个像素的第一主微线之前。 在该空白部分的过程中,每当热敏头移动预定距离时,每个加热元件由不使加热元件打开的驱动数据驱动。 在优选实施例中,如果第n像素具有低密度,则每个加热元件被选择性地驱动到没有记录墨水微点的程度,以便在空白部分的过程中预热所选择的加热元件。