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    • 7. 发明申请
    • DETERMINING THE LOCATION OF THE TIP OF AN ELECTRONIC STYLUS
    • 确定电子笔记本的位置
    • US20090153526A1
    • 2009-06-18
    • US12350255
    • 2009-01-08
    • Andrew BlakeLyndsay WilliamsJames SrinivasanWilliam Vablais
    • Andrew BlakeLyndsay WilliamsJames SrinivasanWilliam Vablais
    • G06F3/033
    • G06F3/043G06F3/03545
    • An electronic stylus system includes an electronic stylus and base receiving unit. The electronic stylus includes a first ultrasonic transmitter, a second ultrasonic transmitter, an electromagnetic transmitter, and a writing tip. The base receiver unit includes a first ultrasonic receiver, a second ultrasonic receiver, and an electromagnetic receiver. The ultrasonic receivers of the base unit are operable to receive signals transmitted by the ultrasonic transmitters of the electronic stylus. Similarly, the electromagnetic receiver of the base unit is operable to receive signals transmitted by the electromagnetic transmitter of the stylus. The location of the tip of the electronic stylus relative to a given reference point is determined using the locations of two ultrasonic transmitters relative to the two ultrasonic receivers.
    • 电子测针系统包括电子测针和基座接收单元。 电子笔包括第一超声波发射器,第二超声波发射器,电磁发射器和写入尖端。 基站接收机单元包括第一超声波接收器,第二超声波接收器和电磁接收器。 基本单元的超声波接收器可操作以接收由电子探针的超声波发射器发送的信号。 类似地,基本单元的电磁接收器可操作以接收由触控笔的电磁发射器发送的信号。 使用两个超声波发射器相对于两个超声波接收器的位置来确定电子针的尖端相对于给定参考点的位置。
    • 9. 发明授权
    • Determining the location of the tip of an electronic stylus
    • 确定电子笔尖的位置
    • US07489308B2
    • 2009-02-10
    • US10367485
    • 2003-02-14
    • Andrew BlakeLyndsay WilliamsJames SrinivasanWilliam Vablais
    • Andrew BlakeLyndsay WilliamsJames SrinivasanWilliam Vablais
    • G09G5/00
    • G06F3/043G06F3/03545
    • An electronic stylus system includes an electronic stylus and base receiving unit. The electronic stylus includes a first ultrasonic transmitter, a second ultrasonic transmitter, an electromagnetic transmitter, and a writing tip. The base receiver unit includes a first ultrasonic receiver, a second ultrasonic receiver, and an electromagnetic receiver. The ultrasonic receivers of the base unit are operable to receive signals transmitted by the ultrasonic transmitters of the electronic stylus. Similarly, the electromagnetic receiver of the base unit is operable to receive signals transmitted by the electromagnetic transmitter of the stylus. The location of the tip of the electronic stylus relative to a given reference point is determined using the locations of two ultrasonic transmitters relative to the two ultrasonic receivers.
    • 电子测针系统包括电子测针和基座接收单元。 电子笔包括第一超声波发射器,第二超声波发射器,电磁发射器和写入尖端。 基站接收机单元包括第一超声波接收器,第二超声波接收器和电磁接收器。 基本单元的超声波接收器可操作以接收由电子探针的超声波发射器发送的信号。 类似地,基本单元的电磁接收器可操作以接收由触控笔的电磁发射器发送的信号。 使用两个超声波发射器相对于两个超声波接收器的位置来确定电子针的尖端相对于给定参考点的位置。