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公开(公告)号:US3915015A
公开(公告)日:1975-10-28
申请号:US45184674
申请日:1974-03-18
Applicant: STANFORD RESEARCH INST
Inventor: CRANE HEWITT D , TAENZER JON C , ANDEEN GERRY B
IPC: G01L5/00 , B43K29/08 , G01L1/22 , G01L5/16 , G01L9/04 , G01P5/02 , G01P13/02 , G01P13/04 , G06F3/033 , G06F3/041 , G06K9/24
CPC classification number: G06K9/24 , B43K29/08 , G01L1/22 , G01L5/161 , G01L9/04 , G01P5/02 , G01P13/02 , G06F3/03545
Abstract: A writing instrument is provided which generates electrical signals indicative of the force applied and the direction of motion taken by the writing instrument as one is writing with it. The writing instrument uses strain gauges for providing these signals.
Abstract translation: 提供了一种书写工具,其产生指示施加的力的电信号和由书写工具随着其书写而采取的运动方向。 书写工具使用应变计来提供这些信号。