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Patent Number Title Of Patent Date Issued
4947060 High speed complimentary output stage utilizing current steering transistors and a single curren... Aug. 7, 1990
4947059 Method of dividing an input-output line by decoding Aug. 7, 1990
4947058 TTL current sinking circuit with transient performance enhancement during output transition from... Aug. 7, 1990
4947057 Adjustable temperature variable output signal circuit Aug. 7, 1990
4947056 MOSFET for producing a constant voltage Aug. 7, 1990
4947055 Base drive circuit for Darlington-connected transistors Aug. 7, 1990
4947054 Sliding dimmer switch Aug. 7, 1990
4947053 High DC voltage power supply for motor vehicle electrical system Aug. 7, 1990
4947052 Coaxial engine starter Aug. 7, 1990
4947051 Starter protector for an engine Aug. 7, 1990
4947050 Sensor bracket for magnetic tape cartridge drive Aug. 7, 1990
4947049 Film handling means for a photographic printer Aug. 7, 1990
4947048 Stereoscopic photographic measuring device Aug. 7, 1990
4947047 Exposure system with exposure controlling acoustooptic element Aug. 7, 1990
4947046 Method for preparation of radiographic image conversion panel and radiographic image conversion ... Aug. 7, 1990
4947045 System for inspecting large size structural components Aug. 7, 1990
4947044 Method and apparatus for covertly viewing a target using infrared radiation Aug. 7, 1990
4947043 Radiation image recording and read-out apparatus Aug. 7, 1990
4947042 Tunnel unit and scanning head for scanning tunneling microscope Aug. 7, 1990
4947041 Analyzer tube for mass spectrometry Aug. 7, 1990
4947040 Thermal decay time logging method and tool Aug. 7, 1990
4947039 Flat stationary field light beam scanning device Aug. 7, 1990
4947038 Process and arrangement for optically measuring a physical quantity Aug. 7, 1990
4947037 Optical sensing system with light pulses Aug. 7, 1990
4947036 Self-monitoring optical sensor having a ratiometric output signal Aug. 7, 1990
4947035 Fiber optic transducer using faraday effect Aug. 7, 1990
4947034 Apertureless near field optical microscope Aug. 7, 1990
4947033 Voltage/frequency converter and its use in an optical wave guide transmission arrangement Aug. 7, 1990
4947032 Detection circuit for a light-sensitive element which is substantially insusceptible to ambient ... Aug. 7, 1990
4947031 Sampling streak tube with accelerating electrode plate having an opening Aug. 7, 1990
4947030 Illuminating optical device Aug. 7, 1990
4947029 Cleaning device for information recording medium Aug. 7, 1990
4947028 Automated order and payment system Aug. 7, 1990
4947027 System for identifying authorized use of credit cards Aug. 7, 1990
4947026 Towel heating and moistening Aug. 7, 1990
4947025 Portable electric water heater for outdoor use Aug. 7, 1990
4947024 Welding apparatus coated with spatter-resistant and electrically conductive film Aug. 7, 1990
4947023 Method and apparatus for roll dulling by pulse laser beam Aug. 7, 1990
4947022 Laser engraving method Aug. 7, 1990
4947021 Method and apparatus for TIG welding Aug. 7, 1990
4947020 Trimming element for microelectric circuit Aug. 7, 1990
4947019 Composite electrode for resistance welding Aug. 7, 1990
4947018 Retracting rocker unit Aug. 7, 1990
4947017 Composite weld gun and method of making same Aug. 7, 1990
4947016 Method and apparatus for duplicating steel intaglio print elements using electro-erosion machini... Aug. 7, 1990
4947015 Process for the control of the feed motion and touch-on motion of a grinding wheel Aug. 7, 1990
4947014 Method and apparatus for producing can bodies of a non-circular cross-section Aug. 7, 1990
4947013 Apparatus for the guiding of can bodies of a non-circular cross-section Aug. 7, 1990
4947012 Electrofusion marker Aug. 7, 1990
4947011 Illuminated switch device Aug. 7, 1990
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