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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4283680 |
Electrical bridge balancing circuit |
Aug. 11, 1981 |
| 4283679 |
Rotational direction detection device for a motor or the like |
Aug. 11, 1981 |
| 4283678 |
Cable condition analyzing system for electric arc furnace conductors |
Aug. 11, 1981 |
| 4283677 |
Clamp type galvanometer |
Aug. 11, 1981 |
| 4283676 |
Direct reading capacitance meter |
Aug. 11, 1981 |
| 4283675 |
Impedance/admittance measuring circuit |
Aug. 11, 1981 |
| 4283674 |
Constant voltage output circuit |
Aug. 11, 1981 |
| 4283673 |
Means for reducing current-gain modulation due to differences in collector-base voltages on a tr... |
Aug. 11, 1981 |
| 4283672 |
Stepper motor drive |
Aug. 11, 1981 |
| 4283671 |
Automatic residual phase error compensation circuit for a digital servo control system |
Aug. 11, 1981 |
| 4283670 |
Automatic integrator control for transientless switching of _controller gains in manual tracking... |
Aug. 11, 1981 |
| 4283669 |
Process and apparatus for the automatic measuring of a workpiece |
Aug. 11, 1981 |
| 4283668 |
DC Motor control with alternate action solenoid drive circuit |
Aug. 11, 1981 |
| 4283667 |
Motor field exciter |
Aug. 11, 1981 |
| 4283666 |
Speed control device for a home sewing machine |
Aug. 11, 1981 |
| 4283665 |
Method and apparatus for eliminating ripple component from motor control loop |
Aug. 11, 1981 |
| 4283664 |
Control signal generator for the commutating device of a brushless electronics motor |
Aug. 11, 1981 |
| 4283663 |
Horizontal deflection circuit in a television device |
Aug. 11, 1981 |
| 4283662 |
Line scan circuits for cathode ray tube displays |
Aug. 11, 1981 |
| 4283661 |
Irradiation device and removable timer useful therewith |
Aug. 11, 1981 |
| 4283660 |
Multiline charge transfer panel input and hold system |
Aug. 11, 1981 |
| 4283659 |
Display system utilizing incandescent lamp multiplexing |
Aug. 11, 1981 |
| 4283658 |
Projection lamp control arrangement |
Aug. 11, 1981 |
| 4283657 |
Exit illuminating system |
Aug. 11, 1981 |
| 4283656 |
Traveling wave tube devices |
Aug. 11, 1981 |
| 4283655 |
Cathode ray tube with multiple internal graticules |
Aug. 11, 1981 |
| 4283654 |
Modular tube shadow mask support system |
Aug. 11, 1981 |
| 4283653 |
High emissivity filament for energy conserving incandescent lamps with infrared radiation return... |
Aug. 11, 1981 |
| 4283652 |
Gas discharge lamp having supporting tongue formed from electrode feedthrough |
Aug. 11, 1981 |
| 4283651 |
Switching circuit for high current brushes in a dynamoelectric machine |
Aug. 11, 1981 |
| 4283650 |
Piezo-vibrator unit ceramic package with integral capacitor |
Aug. 11, 1981 |
| 4283649 |
Piezoelectric ultrasonic transducer with resonator laminate |
Aug. 11, 1981 |
| 4283648 |
Synchronous electric machine with salient poles in the rotor |
Aug. 11, 1981 |
| 4283647 |
Annular segment permanent magnet single air gap electric motor |
Aug. 11, 1981 |
| 4283646 |
Brushless electric motor |
Aug. 11, 1981 |
| 4283645 |
Electrical drive motor, in particular for water pumps in the field of aquaria |
Aug. 11, 1981 |
| 4283644 |
DC Motor |
Aug. 11, 1981 |
| 4283643 |
Hall sensing apparatus |
Aug. 11, 1981 |
| 4283642 |
Regulation of current through depletion devices in a MOS integrated circuit |
Aug. 11, 1981 |
| 4283641 |
Feedback biasing circuit arrangement for transistor amplifier |
Aug. 11, 1981 |
| 4283640 |
All-NPN transistor driver and logic circuit |
Aug. 11, 1981 |
| 4283639 |
Device for producing two clock pulse trains from a periodic signal of any waveform |
Aug. 11, 1981 |
| 4283638 |
Field effect transistor switched temperature control circuit |
Aug. 11, 1981 |
| 4283637 |
Signal generator |
Aug. 11, 1981 |
| 4283636 |
Electronically controlled power supply rail |
Aug. 11, 1981 |
| 4283635 |
Load demand control system |
Aug. 11, 1981 |
| 4283634 |
System and method for monitoring and controlling operation of industrial gas turbine apparatus a... |
Aug. 11, 1981 |
| 4283633 |
Electro-pneumatic dynamo |
Aug. 11, 1981 |
| 4283632 |
Electron beam aperture device |
Aug. 11, 1981 |
| 4283631 |
Bean scanning and method of use for ion implantation |
Aug. 11, 1981 |
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