会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Communication device, noise removing method, and program
    • 通信设备,噪声去除方法和程序
    • US08243776B2
    • 2012-08-14
    • US12392596
    • 2009-02-25
    • Katsuyuki TanakaHideki Takahashi
    • Katsuyuki TanakaHideki Takahashi
    • H04B1/00
    • H04B1/7097G01S19/13G01S19/21H04B1/1036H04B1/707H04B1/7101H04B2201/70715
    • A communication device according to an embodiment of the present invention includes a communication antenna that receives a transmission signal where a spectrum spread signal subjected to a spectrum spread is modulated; an intermediate frequency converting unit that converts the transmission signal received by the communication antenna into an intermediate frequency signal having a predetermined frequency; an analog to digital converting unit that discretizes the intermediate frequency signal and outputs a discretization signal; a noise removing unit that detects a noise other than a normal thermal noise included in the discretization signal and removes the detected noise from the discretization signal; and a demodulating unit that demodulates the spectrum spread signal, based on the discretization signal that is output from the noise removing unit.
    • 根据本发明实施例的通信设备包括:通信天线,其接收经过频谱扩展的频谱扩展信号被调制的发送信号; 中频变换单元,其将由通信天线接收的发送信号转换为具有预定频率的中频信号; 模数转换单元,其离散中频信号并输出​​离散化信号; 噪声去除单元,其检测离散化信号中包括的正常热噪声以外的噪声,并从所述离散化信号中去除检测到的噪声; 以及解调单元,其基于从噪声去除单元输出的离散化信号来解调频谱扩展信号。
    • 3. 发明申请
    • RECEIVING DEVICE, RECEIVING METHOD AND MOBILE TERMINAL
    • 接收设备,接收方法和移动终端
    • US20130093621A1
    • 2013-04-18
    • US13806181
    • 2011-07-28
    • Katsuyuki TanakaHideki AwataHideki Takahashi
    • Katsuyuki TanakaHideki AwataHideki Takahashi
    • G01S19/29
    • G01S19/29G01S19/30G01S19/34G01S19/37
    • Provided is a receiving device, including a receiving unit that receives a signal from a satellite in a GPS, a frequency converting unit that converts a frequency of a reception signal received by the receiving unit into a predetermined IF, a synchronization acquiring unit that performs synchronization acquisition for detecting a phase of a spread code in the IF signal and detects a carrier frequency in the IF signal, a synchronization holding unit that assigns and sets the phase of the spread code and the carrier frequency detected by the synchronization acquiring unit to a plurality of channels, holds synchronization of the spread code and a carrier using the set phase of the spread code and the carrier frequency, and demodulates a message included in the IF signal, and a control unit that executes operation control including a positioning calculation using the message demodulated by the synchronization holding unit.
    • 提供了一种接收装置,包括:接收单元,其接收来自GPS中的卫星的信号;频率转换单元,其将由接收单元接收的接收信号的频率转换为预定的IF;同步获取单元,其执行同步 用于检测IF信号中的扩展码的相位并检测IF信号中的载波频率的同步保持单元,其将扩展码的相位和由同步获取单元检测到的载波频率分配并设置为多个 的信道,使用扩展码和载波频率的设定相位保持扩展码的同步和载波,并解调包括在IF信号中的消息,以及控制单元,其执行包括使用该消息的定位计算的操作控制 由同步保持单元解调。
    • 4. 发明申请
    • COMMUNICATION DEVICE, NOISE REMOVING METHOD, AND PROGRAM
    • 通信设备,噪声消除方法和程序
    • US20120281733A1
    • 2012-11-08
    • US13552161
    • 2012-07-18
    • Katsuyuki TanakaHideki Takahashi
    • Katsuyuki TanakaHideki Takahashi
    • H04B1/7097
    • H04B1/7097G01S19/13G01S19/21H04B1/1036H04B1/707H04B1/7101H04B2201/70715
    • A communication device according to an embodiment of the present invention includes a communication antenna that receives a transmission signal where a spectrum spread signal subjected to a spectrum spread is modulated; an intermediate frequency converting unit that converts the transmission signal received by the communication antenna into an intermediate frequency signal having a predetermined frequency; an analog to digital converting unit that discretizes the intermediate frequency signal and outputs a discretization signal; a noise removing unit that detects a noise other than a normal thermal noise included in the discretization signal and removes the detected noise from the discretization signal; and a demodulating unit that demodulates the spectrum spread signal, based on the discretization signal that is output from the noise removing unit.
    • 根据本发明实施例的通信设备包括:通信天线,其接收经过频谱扩展的频谱扩展信号被调制的发送信号; 中频变换单元,其将由通信天线接收的发送信号转换为具有预定频率的中频信号; 模数转换单元,其离散中频信号并输出​​离散化信号; 噪声去除单元,其检测离散化信号中包括的正常热噪声以外的噪声,并从所述离散化信号中去除检测到的噪声; 以及解调单元,其基于从噪声去除单元输出的离散化信号来解调频谱扩展信号。
    • 5. 发明授权
    • Demodulation apparatus and receiving apparatus
    • 解调装置和接收装置
    • US08229460B2
    • 2012-07-24
    • US12484357
    • 2009-06-15
    • Katsuyuki TanakaMasayuki SawadaHideki TakahashiKoichiro Teranishi
    • Katsuyuki TanakaMasayuki SawadaHideki TakahashiKoichiro Teranishi
    • H04W24/00G01S19/31
    • H03J1/005H03J2200/11H03L7/193H04B2001/70706
    • A portable phone device comprises a telephone unit for base band processing of a receiving signal and audio conversion processing, as well as a global positioning system (GPS) receiving unit for receiving signals from at least one GPS satellite, each signal including a spread code. A crystal oscillator generates a first oscillation signal having a predetermined frequency, and a temperature controlled oscillator generates a second oscillation signal having a predetermined frequency different from that of the first oscillation signal. A synchronization capture portion performs synchronization capture of the spread code, and a synchronization hold portion performs synchronization holding and demodulation of the signals received from the at least one GPS satellite. A central processing unit calculates position and speed of the portable phone device.
    • 便携式电话装置包括用于接收信号和音频转换处理的基带处理的电话单元,以及用于从至少一个GPS卫星接收信号的全球定位系统(GPS)接收单元,每个信号包括扩展码。 晶体振荡器产生具有预定频率的第一振荡信号,温度控制振荡器产生具有与第一振荡信号不同的预定频率的第二振荡信号。 同步捕获部分执行扩展码的同步捕获,并且同步保持部分对从至少一个GPS卫星接收的信号执行同步保持和解调。 中央处理单元计算便携式电话设备的位置和速度。
    • 6. 发明授权
    • GPS receiving apparatus and GPS satellite signal receiving method
    • GPS接收装置和GPS卫星信号接收方法
    • US07209514B2
    • 2007-04-24
    • US10373550
    • 2003-02-25
    • Katsuyuki TanakaJason SanmiyaMasayuki TakadaHideki TakahashiKoichiro Teranishi
    • Katsuyuki TanakaJason SanmiyaMasayuki TakadaHideki TakahashiKoichiro Teranishi
    • H04B1/00
    • G01S19/30G01S19/28G01S19/29G01S19/34G01S19/35
    • Disclosed is a GPS receiving apparatus including a synchronous acquisition unit and a synchronous hold unit. The synchronous acquisition unit detects a correlation between a spread code of a received signal from a GPS satellite and a spread code provided by the apparatus in order to detect a phase of the spread code of the received signal and a carrier frequency of the received signal. The synchronous hold unit has a plurality of channels and allocates one of the channels to one of a plurality of GPS satellites. The synchronous hold unit also establishes initial values based on the spread code phase of the received signal following detection by the synchronous acquisition unit as well as on the likewise-detected carrier frequency of the received signal, before starting synchronous hold of the spread code and the carrier frequency regarding the signal from the GPS satellite in question while decoding the signal from the GPS satellite.
    • 公开了一种包括同步捕获单元和同步保持单元的GPS接收装置。 同步获取单元检测来自GPS卫星的接收信号的扩展码与由该装置提供的扩展码之间的相关性,以便检测接收信号的扩展码的相位和接收信号的载波频率。 同步保持单元具有多个信道,并且将一个信道分配给多个GPS卫星之一。 在开始同步保持扩展码之前,同步保持单元还基于同步采集单元检测到的接收信号的扩展码相位以及同样检测到的接收信号的载波频率,建立初始值, 关于来自GPS卫星的信号的载波频率,同时解码来自GPS卫星的信号。
    • 7. 发明申请
    • RECEIVING DEVICE, RECEIVING METHOD, COMPUTER PROGRAM, AND PORTABLE TERMINAL
    • 接收设备,接收方法,计算机程序和便携式终端
    • US20130094541A1
    • 2013-04-18
    • US13703749
    • 2011-07-06
    • Katsuyuki TanakaHideki TakahashiHideki Awata
    • Katsuyuki TanakaHideki TakahashiHideki Awata
    • H04B1/7087
    • H04B1/7087G01S19/24G01S19/30G01S19/34G01S19/37
    • To provide a receiving device which is capable of reducing average power and peak power by holding pseudo synchronization of a satellite signal during a sleep period. Provided is a receiving device including a receiving unit for receiving a signal from a satellite, a frequency conversion unit for converting a frequency of the received signal into a predetermined intermediate frequency, a synchronization acquisition unit for carrying out synchronization acquisition and for detecting a carrier frequency, and a synchronization holding unit for assigning and setting, per satellite, a phase of the spread code and the carrier frequency to each of a plurality of channels independently provided in a corresponding manner to a plurality of the satellites to synchronously hold the spread code and a carrier and also for demodulating a message included in the intermediate frequency. The synchronization holding unit includes a spreading code generation unit for generating a spreading code synchronized with the spread code, and in a sleep period in which a positioning operation is not carried out, the synchronization holding unit causes only the spreading code generation unit to operate and a counter that the synchronization holding unit refers to also operates.
    • 提供一种能够通过在睡眠期间保持卫星信号的伪同步来降低平均功率和峰值功率的接收装置。 提供一种接收装置,包括:接收单元,用于从卫星接收信号;频率转换单元,用于将接收信号的频率转换成预定的中间频率;同步获取单元,用于执行同步捕获并检测载波频率 以及同步保持单元,用于按照每个卫星分配和设置扩频码和载波频率的相位,以相应方式独立地提供给多个卫星的多个信道中的每一个,以同步地保持扩展码,并且 并且还用于解调包括在中频中的消息。 同步保持单元包括扩展码生成单元,用于生成与扩展码同步的扩展码,并且在不执行定位操作的休眠期间,同步保持单元仅使扩展码生成单元进行操作, 同步保持单元参考的计数器也工作。
    • 9. 发明授权
    • Demodulation apparatus and receiving apparatus
    • 解调装置和接收装置
    • US07561638B2
    • 2009-07-14
    • US11724771
    • 2007-03-16
    • Katsuyuki TanakaMasayuki SawadaHideki TakahashiKoichiro Teranishi
    • Katsuyuki TanakaMasayuki SawadaHideki TakahashiKoichiro Teranishi
    • H04L27/14H03D1/00H03D3/00H04B1/16H04B1/69
    • H03J1/005H03J2200/11H03L7/193H04B2001/70706
    • A demodulation apparatus that can support various oscillation frequencies. The portable phone device includes a frequency synthesizer for generating a local-oscillation signal having a local oscillation frequency for converting the frequency of an input receiving signal into an intermediate frequency based on an oscillation signal generated by an TCXO and a synchronization hold portion provided with an NCO for generating a signal having a predetermined frequency based on the oscillation signal generated by TCXO. The frequency synthesizer makes the local oscillation frequency variable by setting the dividing ratio variable in accordance with an arbitrary oscillation frequency so that the intermediate frequency remains within a predetermined range regardless of the oscillation frequency, and an NCO makes the frequency of the signal variable by setting the dividing ration variable in accordance with the oscillation frequency.
    • 一种可以支持各种振荡频率的解调装置。 便携式电话装置包括:频率合成器,用于产生本地振荡信号,该本地振荡信号具有本地振荡频率,用于将输入接收信号的频率转换成中频,基于由TCXO产生的振荡信号和具有 NCO,用于根据由TCXO生成的振荡信号产生具有预定频率的信号。 频率合成器通过根据任意的振荡频率设定分频比而使本地振荡频率变化,使得中频保持在预定范围内而与振荡频率无关,并且NCO通过设置使信号的频率可变 分频比根据振荡频率变化。
    • 10. 发明申请
    • Demodulation apparatus and receiving apparatus
    • 解调装置和接收装置
    • US20070160169A1
    • 2007-07-12
    • US11724771
    • 2007-03-16
    • Katsuyuki TanakaMasayuki SawadaHideki TakahashiKoichiro Teranishi
    • Katsuyuki TanakaMasayuki SawadaHideki TakahashiKoichiro Teranishi
    • H04L27/00H04K1/10
    • H03J1/005H03J2200/11H03L7/193H04B2001/70706
    • A demodulation apparatus that can support various oscillation frequencies. The portable phone device includes a frequency synthesizer for generating a local-oscillation signal having a local oscillation frequency for converting the frequency of an input receiving signal into an intermediate frequency based on an oscillation signal generated by an TCXO and a synchronization hold portion provided with an NCO for generating a signal having a predetermined frequency based on the oscillation signal generated by TCXO. The frequency synthesizer makes the local oscillation frequency variable by setting the dividing ratio variable in accordance with an arbitrary oscillation frequency so that the intermediate frequency remains within a predetermined range regardless of the oscillation frequency, and an NCO makes the frequency of the signal variable by setting the dividing ration variable in accordance with the oscillation frequency.
    • 一种可以支持各种振荡频率的解调装置。 便携式电话装置包括:频率合成器,用于产生本地振荡信号,该本地振荡信号具有本地振荡频率,用于将输入接收信号的频率转换成中频,基于由TCXO产生的振荡信号和具有 NCO,用于根据由TCXO生成的振荡信号产生具有预定频率的信号。 频率合成器通过根据任意的振荡频率设定分频比而使本地振荡频率变化,使得中频保持在预定范围内而与振荡频率无关,并且NCO通过设置使信号的频率可变 分频比根据振荡频率变化。