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    • 6. 发明授权
    • Transmitter and receiver
    • 发射机和接收机
    • US07551690B2
    • 2009-06-23
    • US10467847
    • 2002-02-25
    • Takako ShibuyaTomohisa Tanaka
    • Takako ShibuyaTomohisa Tanaka
    • H03K9/00
    • H04L1/007H04L1/0001H04L1/0045H04L1/06H04L1/20
    • A transmitter (1) converts an input signal from a microphone (2) into a plural-bit digital signal by means of an A/D converter (4) at predetermined time intervals. An encoder (6) divides the digital signal into plural blocks and adds a parity bit to each block to thereby form a coded signal. A transmitting unit (8) modulates a carrier with the coded signal and transmits the modulated carrier through an antenna (10). A receiver (12) includes two tuning units (18A, 18B). Corresponding coded signals outputted from the tuning units (18A, 18B) are inputted to a decoder (20). The decoder (20) makes a parity check on respective blocks of the corresponding coded signals and selects and outputs an error-free one of the corresponding blocks of the corresponding coded signals.
    • 发射机(1)以预定的时间间隔通过A / D转换器(4)将来自麦克风(2)的输入信号转换成多位数字信号。 编码器(6)将数字信号分成多个块,并将奇偶校验位加到每个块,从而形成编码信号。 发送单元(8)利用编码信号对载波进行调制,并通过天线(10)发送调制载波。 接收器(12)包括两个调谐单元(18A,18B)。 从调谐单元(18A,18B)输出的对应的编码信号被输入到解码器(20)。 解码器(20)对相应的编码信号的各个块进行奇偶校验,并选择并输出对应的编码信号的相应块中的无差错的一个。
    • 9. 发明授权
    • LED device and method for manufacturing the same
    • LED装置及其制造方法
    • US07300326B2
    • 2007-11-27
    • US11269667
    • 2005-11-09
    • Minoru TanakaTomohisa Tanaka
    • Minoru TanakaTomohisa Tanaka
    • H01J9/26H01J9/32
    • H01L33/54B29C33/0055B29C39/10B29K2995/0026B29L2011/0016H01L24/97H01L33/486H01L33/60H01L2224/48091H01L2224/48227H01L2224/48465H01L2924/12041H01L2924/00014H01L2924/00
    • An LED device manufacturing method can produce an LED device that can emit light of a given color tone by additive color mixture of light emitted from an LED chip and light obtained by wavelength conversion of the light emitted from the LED chip. The wavelength conversion can be accomplished by using a wavelength conversion material, such as a fluorescent material. The LED device can have good efficiency of extracting light from the LED and can have high luminous intensity. First cups and second cups can be formed in a substrate including a pair of conductor patterns formed on an insulating portion. The first and second cups can have co-planar bottom surfaces. LED chips can be mounted on die bonding pads that are provided on the bottoms of the first cups. The die bonding pads can be connected to one of the conductor patterns. An upper electrode of each LED chip can be connected to a wire bonding pad extending from the other conductor pattern via a bonding wire. A fluorescent resin containing a transparent resin with a fluorescent material added thereto can be injected into the second cup and then dispersed to fill the first and second cups with the fluorescent resin due to the resin's natural flow. A lens made of a transparent resin can be formed above each LED chip.
    • LED装置的制造方法可以通过从LED芯片发出的光的加和色混合和从LED芯片发射的光的波长转换而获得的光产生能够发出给定色调的光的LED装置。 波长转换可以通过使用诸如荧光材料的波长转换材料来实现。 LED装置可以很好地提取来自LED的光,并具有高发光强度。 可以在包括形成在绝缘部分上的一对导体图案的基板中形成第一杯和第二杯。 第一和第二杯可具有共面底面。 LED芯片可以安装在设置在第一杯的底部上的芯片焊盘上。 芯片接合焊盘可以连接到一个导体图案。 每个LED芯片的上电极可以通过接合线连接到从另一个导体图案延伸的引线接合焊盘。 含有荧光材料的透明树脂的荧光树脂可以注入到第二杯中,然后由于树脂的自然流动而被分散以用荧光树脂填充第一杯和第二杯。 可以在每个LED芯片上方形成由透明树脂制成的透镜。
    • 10. 发明申请
    • Digital wireless receiver using antenna diversity method
    • 数字无线接收机采用天线分集方式
    • US20060067442A1
    • 2006-03-30
    • US10514986
    • 2003-05-30
    • Tomohisa Tanaka
    • Tomohisa Tanaka
    • H04L1/02
    • H04B7/0811
    • Receiving antennas 2a, 2b receive a digital modulated signal from a digital wireless microphone. The digital modulated signal comprises a carrier signal modulated with successively generated digital signal trains. A changeover switch 4 selects one of the antennas 2a, 2b in response to a selection signal. A high-frequency unit 8, a demodulating unit 10 and a decoding unit 12 receive and demodulate the digital modulated signal received by the selected antenna. Analog comparators 24a, 24b compare a reception level indicative signal from the high-frequency unit 8 with threshold values, and a diversity judging unit 28 changes the selection signal in accordance with the comparison result. The digital signal trains comprise a plurality of successive frames, and each frame includes an information data section, a preamble section preceding the information data section for establishing synchronization of the information data section, and a guard bit section succeeding the information data section. Each time the guard bit section is received, the selection signal is changed and the antenna selection is performed.
    • 接收天线2a,2b从数字无线麦克风接收数字调制信号。 数字调制信号包括用连续生成的数字信号列调制的载波信号。 切换开关4响应于选择信号选择天线2a,2b中的一个。 高频单元8,解调单元10和解码单元12接收并解调由所选天线接收的数字调制信号。 模拟比较器24a,24b将来自高频单元8的接收电平指示信号与阈值进行比较,并且分集判断单元28根据比较结果改变选择信号。 数字信号列包括多个连续帧,并且每个帧包括信息数据部分,信息数据部分之前的用于建立信息数据部分的同步的前同步码部分和信息数据部分后面的保护位部分。 每次接收到保护位部分时,改变选择信号并执行天线选择。