【正文】 干涉儀的每一個(gè)元件都被安裝在工作臺(tái)上，以至于相對(duì)運(yùn)動(dòng)的原件被單獨(dú)運(yùn)動(dòng)。 在執(zhí)行我的發(fā)明時(shí)，我提供了一對(duì)工作臺(tái)適應(yīng)好的加工方法。 我發(fā)明的另一個(gè)目的是提供一個(gè)劃空網(wǎng)格的新方法，即在工作臺(tái)實(shí)現(xiàn)運(yùn)動(dòng)時(shí)不需要啟動(dòng)和停止設(shè)備。 我發(fā)明的進(jìn)一步目的是在設(shè)備沿著一定長(zhǎng)度劃線的連續(xù)運(yùn)動(dòng)期間提供一種劃線的方法 。 最近干涉儀已被用來(lái)控制劃線車(chē)運(yùn)動(dòng)的縱向增量，自從干涉條紋失去他們的光彩和與一個(gè)不穩(wěn)定的水平相比超過(guò)了某些最低限制的運(yùn)動(dòng)，在常見(jiàn)干涉儀的控制下不能產(chǎn)生超過(guò)一些厘米的網(wǎng)格。 a shield having an aperture therein concentric to said interference fringes to permit intermittent light pulses to impinge upon said transducer during relative movement of said first and second carriages, energizing means for said first carriage driving means, signal means connected to said transducer and operative upon receiving a first given number of electrical pulses for deenergizing said first carriage driving means and then energizing said second, carriage driving means, said signal means being further operative upon receiving a second given number of electrical pulses to, deenergize said second carriage driving means and then to. Energize said first carriage driving means, a grid marking device on said second carriage, and power means actuated upon receiving predetermined ones of said second given number of electrical pulses to energize said grid marking device. 8. Apparatus for ruling an elongate stationary grid having a light sensitive coating thereon prising, first and second carriages movable along a fixed path parallel to said fixed path, driving means for each of said first and second carriages, an interferometer including a pair of light reflectors, one of said reflectors being mounted on said first carriage and the other of said reflectors being mounted on said second carriage, movement of said one reflector relative to, said other reflector producing interference fringes, a transducer on said second carriage for converting light pulses into electrical pulses, a shield having an aperture therein concentric to said interference fringes to permit intermittent light pulses to impinge upon said transducer during relative movement of said first and second carriages, means energizing said first carriage driving means, signal means connected to said transducer and operative upon receiving a first given number of electrical pulses for deenergizing said first carriage driving means and then energizing said second carriage driving means, said signal means being further operative upon receiving a second given number of electrical pulses to deenergize said second carriage driving means and then to energize said first carriage driving means, a light source operative when energized to direct a line of light on said grid blank and power means actuated upon receiving predetermined ones of said second given number of electrical pulses for energizing said light source. 9 .Apparatus for ruling art elongate stationary grid Blank prising, first and second carriages movable along a fixed path parallel to said fixed path, driving means for each of said first and second carriages, a power source connectable to each of said driving means, 濟(jì)南大學(xué)畢業(yè)設(shè)計(jì) 外文資料翻譯 10 an interferometer including a pair of light reflectors, one of said reflectors being mounted on said first carriage and the other of said reflectors being mounted on said second carriage, movement of said one reflector relative to said other reflector producing interference fringes, a transducer on said second carriage for converting light pulses into electrical pulses. a shield having an aperture there in concentric to said interference fringes to permit intermittent light pulses to impinge upon said transducer during relative movement of said first and second carriages, means connecting said source to said first carriage driving means, switch means connected to said transducer and operative upon receiving a first given number of pulses there from to disconnect said power source from said first carriage driving means and then to connect said power source to said second carriage driving means and operative upon receiving a second given number of pulses from said transducer to disconnect said power source from said second carriage driving means and then to connect said power source to said first carriage driving means, a grid marking device on said second carriage, and power means actuated upon receiving predetermined ones of said second given number of electrical pulses to energize said grid marking device. 10. Apparatus for producing controlled movement of a member prising first and second carriages movable independently along a fixed path, said member being carried on one of said carriages, driving means for each of said first and second carriages, a power source connectable to each of said driving means, an interferometer including a pair of light reflectors, movement of one of said reflectors relative to the other of said reflectors producing interference fringes, said one reflector being mounted on said first carriage and said other reflector being mounted on said second carriage, a transducer on said second carriage for converting light pulses into electrical pulses, a shield having an aperture therein concentric to said interference fringes to permit intermittent light pulses to impinge upon said transducer during relative movement of said first and second carriages, means connecting said source to said first carriage driving means, switch means connected to said transducer and operative upon receiving a first given number of pulses there from to disconnect said power source from said first carriage driving means and then to connect said power source to said second carriage driving means and operative upon receiving a second given number of pulses from said transducer to disconnect said power source from said second carriage driving means and then to connect said power source to said first carriage driving means. 11. Apparatus for producing controlled movement of a member prising first and second carriages movable independently along a fixed p