发明授权
US5719577A Low-cost integrable device for the acquisition of electric signals in
compliance with the arnic 429 standard
失效
低成本的可集成设备，用于采购符合Arnic 429标准的电信号
- 专利标题： Low-cost integrable device for the acquisition of electric signals in compliance with the arnic 429 standard
- 专利标题（中）： 低成本的可集成设备，用于采购符合Arnic 429标准的电信号
-
申请号： US619083申请日： 1996-03-21
-
公开(公告)号： US5719577A公开(公告)日： 1998-02-17
- 发明人: Christian Pitot , Louis Vriz
- 申请人： Christian Pitot , Louis Vriz
- 申请人地址： FRX Velizy Villacoublay
- 专利权人： Sextant Avionique
- 当前专利权人： Sextant Avionique
- 当前专利权人地址： FRX Velizy Villacoublay
- 优先权： FRX9503659 19950327
- 主分类号： H03M3/00
- IPC分类号： H03M3/00 ; H03M3/02 ; H03M1/12
摘要：
In order to convert an analog signal of digital data transmission into a digital signal, the device embodying the invention comprises a passive analog circuit comprising a capacitor charged by the analog signal via a first resistor, the voltage at the terminals of the capacitor being applied via a second resistor, at the input of a digital circuit comprising a threshold comparator applying, to a flip-flop, a logic signal which is a function of the result of the comparison with a threshold of the voltage at the input, a means for periodically applying at the input a charge or discharge pulse so as to bring the voltage at the input back to the threshold voltage, a counting circuit for periodically determining a number representative of the analog signal, obtained from subtracting the number of discharges from the number of charges.
公开/授权文献
- US5086902A Ladder for fragile particulate commodities 公开/授权日：1992-02-11
信息查询
