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특허 상세정보

Interface circuit

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H03K-003/017    H03K-005/153   
미국특허분류(USC) 307/490 ; 307/356 ; 307/228 ; 307/475
출원번호 US-0590686 (1984-03-19)
우선권정보 JP-0073768 (1983-05-19)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 24  인용 특허 : 1
초록

An interface circuit for connecting a tablet to an analog input unit of a computer, comprises a sawtooth generator operable in synchronism with a preset timing of the computer for generating a sawtooth voltage, and a comparator for comparing the sawtooth voltage with an output voltage from the tablet. The output voltage from the tablet can be converted into an output voltage having a corresponding time duration, which is supplied to the analog input unit.

대표
청구항

An interface circuit for connecting a low-resistance analog voltage output device, such as a tablet, to an analog input circuit, such as for a computer, of the type having an input terminal connected to a capacitor, a comparator for comparing an input signal to a first reference voltage, and means for discharging the capacitor at predetermined time intervals, comprising: a sawtooth generator for providing a sawtooth voltage; an interface comparator having an input terminal for receiving said analog voltage of said low-resistance analog voltage output dev...

이 특허를 인용한 특허 피인용횟수: 24

  1. Kenney,James J.; Schell,Craig A.. Activation arm assembly method. USP2007017165305.
  2. Kenney,James J.; Gross,Paul. Activation arm configuration for a power tool. USP2007047204403.
  3. Kenney, James J.; Berry, Alan; Schell, Craig A.; Gross, Paul. Cam and clutch configuration for a power tool. USP2012028123099.
  4. Berry, Alan; Schell, Craig A.; Bradenbaugh, IV, Charles L.; Kenney, James J.; Gross, Paul. Driver configuration for a power tool. USP2010097789169.
  5. Cruise, Nathan; Gross, Paul G.; Elligson, Jeffrey A.; Kenney, James J.. Driving tool and method for controlling same. USP2010017646157.
  6. Baskar, Ashok S.; Bradenbaugh, Charles L.; Schell, Craig A.; Kenney, James J.; Gross, Paul G.. Driving tool with controller having microswitch for controlling operation of motor. USP2016119486905.
  7. Forster,Michael. Electric driving tool with driver propelled by flywheel inertia. USP2008017322506.
  8. Gorti,Bhanuprasad V; Bradenbaugh, IV,Charles L.; Hilsher,William F.. Electronic fastening tool. USP2007107285877.
  9. Forster, Michael; Gorti, Bhanuprasad V.; Woods, Sam; Schell, Craig; Cruise, Nathan. Fastening tool. USP2013058434566.
  10. Baskar,Ashok S.; Schell,Craig A.; Berry,Alan; Cruise,Nathan; Bradenbaugh, IV,Charles L.. Fastening tool with mode selector switch. USP2006117137541.
  11. Berry, Alan; Sauerwein, William D.; Schell, Craig A.; Elligson, Jeffrey A.; Bradenbaugh, IV, Charles L.; White, Howard T.; Kenney, James J.. Flywheel configuration for a power tool. USP2011098011549.
  12. Berry,Alan; Gross,Paul. Lock-out for activation arm mechanism in a power tool. USP2008027331403.
  13. Gross, Paul; Kenney, James J.; Xu, Weiyuan. Lower bumper configuration for a power tool. USP2010037686199.
  14. Forster, Michael; Schell, Craig A.; Gross, Paul; Bradenbaugh, IV, Charles L.; Cruise, Nathan; Ekstrom, Erik. Method for controlling a power driver. USP2013018347978.
  15. Forster, Michael; Gorti, Bhanuprasad V.; Woods, Sam; Schell, Craig; Cruise, Nathan. Method for operating a power driver. USP2013048408327.
  16. Gross, Paul G; Kenney, James J; Gregory, Larry E; Brendel, Lee M. Power take off for cordless nailer. USP2012118302833.
  17. Brendel, Lee M.; Kenney, James J.; Gross, Paul G.; Denner, Jan Carl. Profile lifter for a nailer. USP2009077556184.
  18. Mattera Adriano (Novara ITX) Fornari Roberto (Parma ITX) Magnanini Renato (Reggio Emilia ITX) Paorici Carolo (Parma ITX) Zanotti Lucio (Via S. Pellico ITX) Zuccalli Giovanni (Parma ITX). Programmable - voltage - generator interface for decreasing the minimum voltage step. USP1991065023801.
  19. Capici Salvatore V.,ITX ; Magazzu' Antonio,ITX. Recovery of the propagation delay in a PWM circuit. USP1998125852632.
  20. Berry, Alan; Gross, Paul; Bradenbaugh, IV, Charles L.; Kenney, James J.. Return cord assembly for a power tool. USP2011077975893.
  21. Gross,Paul; Schell,Craig A.; Kenney,James J.; Berry,Alan. Solenoid positioning methodology. USP2009037503401.
  22. Buck, John E.; Berry, Alan; Bradenbaugh, IV, Charles L.; Schell, Craig A.; Gross, Paul; Baskar, Ashok S.; Colello, Steven R.; Kenney, James J.. Structural backbone/motor mount for a power tool. USP2012078231039.
  23. Berry,Alan; Denner,Jan Carl; Schell,Craig A.; Bradenbaugh, IV,Charles L.; Baskar,Ashok S.; Kenney,James J.. Trigger configuration for a power tool. USP2006117138595.
  24. Gross, Paul; Schell, Craig A.; Kenney, James J.; Berry, Alan. Upper bumper configuration for a power tool. USP2010067726536.