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    • 104. 发明授权
    • Device for controlling the connection of a built-in type ear-microphone for portable radio terminal
    • 用于控制用于便携式无线电终端的内置式耳麦连接的装置
    • US06397087B1
    • 2002-05-28
    • US09436290
    • 1999-11-08
    • Dong-Ho KimJung-Wook Hwang
    • Dong-Ho KimJung-Wook Hwang
    • H04B138
    • H04M1/6058H04B1/3877H04M1/05H04R1/083H04R1/10H04R1/1016H04R1/1041H04R2201/107H04R2420/05
    • A device for controlling connection of a built-in type ear-microphone for a portable radio terminal includes a vocoder, which has the speaker and microphone amplifier of the portable radio terminal and an ear-microphone amplifier; a first logic combination means for logically combining a signal output from the speaker amplifier and a signal output from the ear-microphone amplifier so as to prevent generation of noises due to short-circuit of a microphone signal and a speaker signal while an earphone plug is inserted in an earphone jack; a comparator for comparing an electric signal sensed at the earphone jack with a reference voltage; a second logic combination means for logically combining an output of the first logic combination means and an output of the comparator to generate a jack detection signal; and a central processing unit for generating a control signal for enabling the vocoder to switch an audio signal path to the ear-microphone amplifier, upon detection of the jack detection signal during a call.
    • 用于控制用于便携式无线电终端的内置式耳麦麦克风的连接的装置包括具有便携式无线电终端的扬声器和麦克风放大器的声码器和耳麦式放大器; 第一逻辑组合装置,用于逻辑地组合来自扬声器放大器的信号和从麦克风放大器输出的信号的信号,以防止由于麦克风信号和扬声器信号的短路而产生噪声,而耳机插头是 插入耳机插孔; 用于将在耳机插孔处感测到的电信号与参考电压进行比较的比较器; 第二逻辑组合装置,用于逻辑地组合第一逻辑组合装置的输出和比较器的输出,以产生插座检测信号; 以及中央处理单元,用于在呼叫期间检测到插座检测信号时,生成用于使声码器能够切换到麦克风放大器的音频信号路径的控制信号。
    • 105. 发明授权
    • Method for accessing a cell using two pilot channels in a CDMA communication system of an asynchronous or quasi-synchronous mode
    • 在异步或准同步模式的CDMA通信系统中使用两个导频信道访问小区的方法
    • US06205132B1
    • 2001-03-20
    • US08803995
    • 1997-02-21
    • Een Kee HongDong Ho KimYeon Dae YangByeong Chul AhnYong Wan ParkSeong Moon RyuTae Young LeeAn Na Choi
    • Een Kee HongDong Ho KimYeon Dae YangByeong Chul AhnYong Wan ParkSeong Moon RyuTae Young LeeAn Na Choi
    • H04B7216
    • H04B1/70775H04B1/7083H04B2201/70701H04B2201/70702
    • The present invention discloses a method for accessing a cell, and more particularly, to a method for acquiring an initial synchronization using two pilot channels in a CDMA (Code Division Multiple Access) communication system of an asynchronous or quasi-synchronous mode. In accordance with the present invention, a CDMA communication system of an quasi-synchronous mode comprises the steps of synchronizing the mobile station with a cluster pilot, and searching for cell pilots on the basis of the cluster synchronization channel set up by the cluster pilot, and synchronizing the mobile station with the cell pilot having a maximum sensitivity, whereby the mobile station is synchronized with the base station through the cluster pilot and the cell pilot. Also, in accordance with the present invention, a CDMA communication system of a asynchronous mode comprises the steps of synchronizing the mobile station with a cluster pilot, and searching for all cell pilots in a cluster of which synchronization has been set up by the cluster pilot, and synchronizing the mobile station with the cell pilot having a maximum sensitivity, whereby the mobile station is synchronized with the base station through the cluster pilot and the cell pilot.
    • 本发明公开了一种用于访问小区的方法,更具体地说,涉及一种用于在异步或准同步模式的CDMA(码分多址)通信系统中使用两个导频信道获取初始同步的方法。 根据本发明,准同步模式的CDMA通信系统包括以下步骤:根据由集群导频设置的集群同步信道,同步移动台与群集导频,并搜索小区导频, 并使移动台与具有最大灵敏度的小区导频同步,由此移动台通过群集导频和小区导频与基站同步。 此外,根据本发明,异步模式的CDMA通信系统包括以下步骤:使移动站与群集导频同步,并且搜索群集中已经由群集导频建立的同步的群集中的所有小区导频 并且使移动台与具有最大灵敏度的小区导频同步,由此移动台通过群集导频和小区导频与基站同步。
    • 106. 发明授权
    • Semiconductor wafer testing apparatus with a combined wafer
alignment/wafer recognition station
    • 具有组合晶圆对准/晶圆识别台的半导体晶圆测试装置
    • US6027301A
    • 2000-02-22
    • US938311
    • 1997-09-26
    • Yu Kweon KimDong Ho Kim
    • Yu Kweon KimDong Ho Kim
    • H01L21/66B65G49/07G01R31/28H01L21/00H01L21/677H01L21/68
    • H01L21/67271G01R31/2831Y10S269/903Y10S414/136Y10S414/137Y10S414/14
    • A semiconductor wafer testing apparatus has a work table on which a carrier containing semiconductor wafers to be checked is placed. The work table is equipped for combined wafer alignment and wafer code recognition while the wafers remain in their carrier in one position on the work table. The alignment is accomplished with a wafer flat zone aligner which has a pair of roller pins each coming in contact with circumferences of the wafers being stacked in the carrier through an open lower part of the carrier and an opening in the table. The wafer code recognition is accomplished with an optical character recognizer that moves up and down and forward and backward with respect to the carrier, and interposes between the wafers in the carrier so as to read out codes which are on each wafer. This combined automated work station helps prevent contamination of the wafers by an operator or by unnecessary handling of the wafers, and also reduces cycle time for the entire inspection process.
    • 半导体晶片测试装置具有工作台,载置有待检查的半导体晶片的载体。 工作台配备了组合晶圆对准和晶片代码识别,而晶片在工作台上的一个位置保留在其载体中。 该对准是通过晶片平坦区域对准器实现的,该平板区域对准器具有一对辊销,每个辊销与晶片周边接触,该晶圆周边通过载体的开口下部和工作台中的开口堆叠在载体中。 晶片代码识别是通过相对于载体上下移动和向前和向后移动的光学字符识别器完成的,并且在载体中的晶片之间插入以读出每个晶片上的代码。 这种组合的自动化工作站有助于防止操作者对晶片的污染或不必要地处理晶片,并且还减少整个检查过程的循环时间。
    • 110. 发明授权
    • Small antenna using SRR structure in wireless communication system and method for manufacturing the same
    • 无线通信系统中使用SRR结构的小天线及其制造方法
    • US08525731B2
    • 2013-09-03
    • US12913985
    • 2010-10-28
    • Jeongho JuJae-Ick ChoiWangjoo LeeDong-Ho Kim
    • Jeongho JuJae-Ick ChoiWangjoo LeeDong-Ho Kim
    • H01Q1/38
    • H01Q9/42H01Q1/243H01Q1/36H01Q9/0407
    • A small antenna using an SRR structure in a wireless communication system includes: a first radiation unit positioned over a dielectric substrate formed of a predetermined dielectric medium and having a predetermined ring shape; a feed unit positioned over the dielectric substrate and configured to feed a signal to the first radiation unit; a second radiation unit positioned under the dielectric substrate and having a predetermined ring shape; a via formed through the dielectric substrate to connect the first and second radiation units; a ground unit positioned under the dielectric substrate and configured to ground the first and second radiation units; and a metal line unit positioned under the dielectric substrate to connect the second radiation unit and the ground unit. The feed unit includes first and second capacitors which accomplish impedance matching when the signal is fed to the first radiation unit.
    • 在无线通信系统中使用SRR结构的小天线包括:第一辐射单元,其位于由预定电介质形成且具有预定环形的电介质基板上; 定位在所述电介质基底上并被配置为将信号馈送到所述第一辐射单元的馈送单元; 第二辐射单元,位于所述电介质基底下方并具有预定的环形; 通过所述电介质基板形成的通孔,以连接所述第一和第二辐射单元; 位于所述电介质基板下方并被配置为对所述第一和第二辐射单元进行接地的接地单元; 以及位于所述电介质基板下方的金属线单元,以连接所述第二辐射单元和所述接地单元。 馈送单元包括当信号被馈送到第一辐射单元时实现阻抗匹配的第一和第二电容器。