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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4277734 |
Electric brake motor |
Jul. 7, 1981 |
| 4277733 |
Slip recovery system for wound rotor motor |
Jul. 7, 1981 |
| 4277732 |
Low power stepping motor driver circuit and method |
Jul. 7, 1981 |
| 4277731 |
Wrapping machine |
Jul. 7, 1981 |
| 4277730 |
Voltage limiter for flyback generator of television sweep system |
Jul. 7, 1981 |
| 4277729 |
Simplified vertical deflection circuit |
Jul. 7, 1981 |
| 4277728 |
Power supply for a high intensity discharge or fluorescent lamp |
Jul. 7, 1981 |
| 4277727 |
Digital room light controller |
Jul. 7, 1981 |
| 4277726 |
Solid-state ballast for rapid-start type fluorescent lamps |
Jul. 7, 1981 |
| 4277725 |
Gas and/or vapor discharge lamp |
Jul. 7, 1981 |
| 4277724 |
Integral spark plug coil for automotive-type plug |
Jul. 7, 1981 |
| 4277723 |
Symmetrical magnetron with output means on center axis |
Jul. 7, 1981 |
| 4277722 |
Cathode ray tube having low voltage focus and dynamic correction |
Jul. 7, 1981 |
| 4277721 |
Multistage depressed collector for dual mode operation |
Jul. 7, 1981 |
| 4277720 |
Low-pressure mercury vapor discharge lamp |
Jul. 7, 1981 |
| 4277719 |
Power spark gap for high current conduction |
Jul. 7, 1981 |
| 4277718 |
Modular electron tube with carbon grid |
Jul. 7, 1981 |
| 4277717 |
Low-pressure sodium vapor discharge lamp |
Jul. 7, 1981 |
| 4277716 |
Glass-to-metal seal construction |
Jul. 7, 1981 |
| 4277715 |
Electric gas discharge lamp |
Jul. 7, 1981 |
| 4277714 |
Metal halide arc discharge lamp having coiled coil electrodes |
Jul. 7, 1981 |
| 4277713 |
Low-pressure gas discharge lamp and method for making |
Jul. 7, 1981 |
| 4277712 |
Acoustic electric transducer with slotted base |
Jul. 7, 1981 |
| 4277711 |
Acoustic electric transducer with shield of controlled thickness |
Jul. 7, 1981 |
| 4277710 |
Control circuit for piezoelectric ultrasonic generators |
Jul. 7, 1981 |
| 4277709 |
Large diameter synchronous electric machine |
Jul. 7, 1981 |
| 4277708 |
Environment and brushes for high-current rotating electrical machinery |
Jul. 7, 1981 |
| 4277707 |
High speed magnetic coupling |
Jul. 7, 1981 |
| 4277706 |
Actuator for heart pump |
Jul. 7, 1981 |
| 4277705 |
Method and apparatus for cooling a winding in the rotor of an electrical machine |
Jul. 7, 1981 |
| 4277704 |
Motor for electronic watch |
Jul. 7, 1981 |
| 4277703 |
Monostable multivibrator circuit with clamped non-saturating common emitter amplifier in feedbac... |
Jul. 7, 1981 |
| 4277702 |
Charge comparator output driver |
Jul. 7, 1981 |
| 4277701 |
Semiconductor integrated injection logic structure controlled by the injector |
Jul. 7, 1981 |
| 4277700 |
Output one-shot |
Jul. 7, 1981 |
| 4277699 |
Latch circuit operable as a D-type edge trigger |
Jul. 7, 1981 |
| 4277698 |
Delay type flip-flop |
Jul. 7, 1981 |
| 4277697 |
Duty cycle control apparatus |
Jul. 7, 1981 |
| 4277696 |
Semiconductor switch circuit |
Jul. 7, 1981 |
| 4277695 |
Amplifier having dead zone of controllable width and position |
Jul. 7, 1981 |
| 4277694 |
Charge coupled device variable divider with integrating well |
Jul. 7, 1981 |
| 4277693 |
Apparatus for providing a time controlled output |
Jul. 7, 1981 |
| 4277692 |
Continuous power source with bi-directional converter |
Jul. 7, 1981 |
| 4277691 |
Energy allocator |
Jul. 7, 1981 |
| 4277690 |
Plant for utilizing kinetic energy |
Jul. 7, 1981 |
| 4277689 |
Document reader |
Jul. 7, 1981 |
| 4277688 |
Cask bagging device |
Jul. 7, 1981 |
| 4277687 |
Tomographic apparatus for producing transverse layer images |
Jul. 7, 1981 |
| 4277686 |
Device for determining internal body structures by means of scattered radiation |
Jul. 7, 1981 |
| 4277685 |
Adjustable collimator |
Jul. 7, 1981 |
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