公开(公告)号：US20050206547A1

公开(公告)日：2005-09-22

申请号：US11066769

申请日：2005-02-25

申请人： Anderson Huang ,  Mike Lee

发明人： Anderson Huang ,  Mike Lee

IPC分类号： G06F1/22 ,  H03M1/12 ,  H03M11/24

CPC分类号： G06F1/22 ,  H01H2239/012 ,  H03M11/24

摘要： A key signals input apparatus and related operating method used for reducing chip I/O number is described. The key signals input apparatus has a plurality of keys and a signal conversion module. The signal conversion module converts key signals into an analog voltage before directing to the chip for further processing. An analog signal decoding module designed in the chip decodes the analog signal so as to recover a plurality of input key values such that the chip may perform further operations according to the indication of the key signals.

摘要翻译： 描述了用于减少芯片I / O编号的键信号输入装置和相关操作方法。 键信号输入装置具有多个键和信号转换模块。 信号转换模块在指向芯片进一步处理之前将键信号转换为模拟电压。 芯片中设计的模拟信号解码模块对模拟信号进行解码，以恢复多个输入键值，使得芯片可以根据键信号的指示执行进一步的操作。

公开(公告)号：US07109899B2

公开(公告)日：2006-09-19

申请号：US11066769

申请日：2005-02-25

申请人： Anderson Huang ,  Mike Lee

发明人： Anderson Huang ,  Mike Lee

IPC分类号： H03M9/00 ,  G11R20/10

CPC分类号： G06F1/22 ,  H01H2239/012 ,  H03M11/24

摘要： A key signals input apparatus and related operating method used for reducing chip I/O number is described. The key signals input apparatus has a plurality of keys and a signal conversion module. The signal conversion module converts key signals into an analog voltage before directing to the chip for further processing. An analog signal decoding module designed in the chip decodes the analog signal so as to recover a plurality of input key values such that the chip may perform further operations according to the indication of the key signals.

摘要翻译： 描述了用于减少芯片I / O编号的键信号输入装置和相关操作方法。 键信号输入装置具有多个键和信号转换模块。 信号转换模块在指向芯片进一步处理之前将键信号转换为模拟电压。 芯片中设计的模拟信号解码模块对模拟信号进行解码，以恢复多个输入键值，使得芯片可以根据键信号的指示执行进一步的操作。