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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4973905 |
Eddy current measuring device with flux return element |
Nov. 27, 1990 |
| 4973904 |
Test circuit and method |
Nov. 27, 1990 |
| 4973903 |
Adjustable probe for probe assembly |
Nov. 27, 1990 |
| 4973902 |
Fault detector for aircraft variable speed, constant frequency power supply |
Nov. 27, 1990 |
| 4973901 |
Compensating for power outrage in electric energy meter |
Nov. 27, 1990 |
| 4973900 |
Voltage detecting device |
Nov. 27, 1990 |
| 4973899 |
Current sensor and method utilizing multiple layers of thin film magneto-optic material and sign... |
Nov. 27, 1990 |
| 4973898 |
Digital spectral normalizer |
Nov. 27, 1990 |
| 4973897 |
System analyzer |
Nov. 27, 1990 |
| 4973896 |
Automobile generator apparatus |
Nov. 27, 1990 |
| 4973895 |
Motor drive method for an industrial robot |
Nov. 27, 1990 |
| 4973894 |
Method and arrangement for optimizing of the function of a door closer |
Nov. 27, 1990 |
| 4973893 |
Piston and drum drive system |
Nov. 27, 1990 |
| 4973892 |
Energization system for linear motor transient reduction |
Nov. 27, 1990 |
| 4973891 |
Artificial flower driving mechanism |
Nov. 27, 1990 |
| 4973890 |
Cascode mirror video amplifier |
Nov. 27, 1990 |
| 4973889 |
Flat configuration cathode ray tube |
Nov. 27, 1990 |
| 4973888 |
Image display device |
Nov. 27, 1990 |
| 4973887 |
Four lamp fluorescent wiring arrangement |
Nov. 27, 1990 |
| 4973886 |
Four lamp fluorescent ballast means |
Nov. 27, 1990 |
| 4973885 |
Low voltage direct current (DC) powered fluorescent lamp |
Nov. 27, 1990 |
| 4973884 |
Substitute lamp module for projectors |
Nov. 27, 1990 |
| 4973883 |
Plasma processing apparatus with a lisitano coil |
Nov. 27, 1990 |
| 4973882 |
Transformerless power circuit |
Nov. 27, 1990 |
| 4973881 |
Automatic shut-off device for an electric lamp |
Nov. 27, 1990 |
| 4973880 |
Single end-sealed metal halide lamp |
Nov. 27, 1990 |
| 4973879 |
Shadow mask type color CRT |
Nov. 27, 1990 |
| 4973878 |
Filament structure and method of making such structure |
Nov. 27, 1990 |
| 4973877 |
Low-voltage type igniter plug having semi-conductor structure for use in jet and other internal ... |
Nov. 27, 1990 |
| 4973876 |
Ultrasonic power supply |
Nov. 27, 1990 |
| 4973875 |
Surface elastic wave device |
Nov. 27, 1990 |
| 4973874 |
Electrical generation from low-temperature heat sources and flux pump |
Nov. 27, 1990 |
| 4973873 |
Electric machine |
Nov. 27, 1990 |
| 4973872 |
Dynamoelectric machine rotor assembly with improved magnet retention stucture |
Nov. 27, 1990 |
| 4973871 |
Stator assembly having magnet retention by mechanical wedge constraint |
Nov. 27, 1990 |
| 4973870 |
Electromagnetic clutch with flux-equalized rotating member |
Nov. 27, 1990 |
| 4973869 |
Brushless coreless DC motor |
Nov. 27, 1990 |
| 4973868 |
Electrical machine with permanent magnet excitation |
Nov. 27, 1990 |
| 4973867 |
Stepping motor drive |
Nov. 27, 1990 |
| 4973866 |
Variable angle stepper motor |
Nov. 27, 1990 |
| 4973865 |
Auto-delay gain circuit |
Nov. 27, 1990 |
| 4973864 |
Sense circuit for use in semiconductor memory |
Nov. 27, 1990 |
| 4973863 |
TTL-ECL interface circuit |
Nov. 27, 1990 |
| 4973862 |
High speed sense amplifier |
Nov. 27, 1990 |
| 4973861 |
Integrated circuit comprising logic circuits and at least one push-pull stage |
Nov. 27, 1990 |
| 4973860 |
Circuit for synchronizing an asynchronous input signal to a high frequency clock |
Nov. 27, 1990 |
| 4973859 |
Electric connecting device |
Nov. 27, 1990 |
| 4973858 |
Resonant tunneling semiconductor devices |
Nov. 27, 1990 |
| 4973857 |
Current divider circuit |
Nov. 27, 1990 |
| 4973856 |
Hydroelectric generator system |
Nov. 27, 1990 |
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