In this article, a design proposal of keyboard circuit in application system of single chip computer by using telephone pulse dial chip is put forward.
提出一种应用电话脉冲拨号芯片作为单片机应用系统键盘电路的实现方案 ,给出具体的接口电路以及相应的软件设计方法 ,达到了用最少的I/O资源 ,实现识别多个按键的目
push button high-speed pulse dialling calling system for electronic telephone
按钮式高速脉冲拨号电子电话的呼叫系统
The Design of Keyboard in Application System of Single Chip Computer by Pulse Dial Chip;
脉冲拨号芯片实现单片机应用系统键盘的设计
Technology of Producing Fast Test Software for the Tone/pulse Telephone Dialing IC CSC91341 AGP with Store of Ten Group Dials
带10组电话号码存储的音频/脉冲拨号器的快速测试技术
If your phone line only allows pulse dialing, rather than tone dialing, check this box.
如果您的电话只支持脉冲拨号,请选中下面的选项。
DPOIR (Dial Pulse Originating Incoming Register)
拨号脉冲原始入局记录器
mark space ratio
信号脉冲与空号脉冲之比
mark-to-space transition
传号-空号脉冲转换
Strowger system introduced in Australia and New Zealand. Development of key-type impulse sender, and Simplex dialing on toll lines.
澳大利亚和新西兰引进史端乔系统。开发键式脉冲发送器和长途电话线单工拨号。
ignition pulse amplifier
点火脉冲信号放大器
modular pulse generator
模块化脉冲信号发生器
Tone or Pulse Dialing
设置音频或脉冲信号
speed pulse generator
速度脉冲信号发生器
servo pulse generator
伺服脉冲信号发生器
pulsed-off signal generator
脉冲断路信号发生器;脉冲切断式信号发生器
Pulse-phase modulation qualifying symbol. Right-click for pulse-frequency, pulse-amplitude, pulse-interval, or pulse-duration.
脉冲-相位调制限定符号。右击指定脉冲-频率、脉冲-幅度,脉冲-间歇或脉冲-持续时间调制。
Dial 0 for outside, then your numbers.
先拨0,再拨你的号码。
Impluse Signal Detection Based on Wavelet Packet Energy Method
基于小波包能量法的冲击脉冲信号检测
The machine emits sound pulses.
这台机器可发出声脉冲信号.