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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4230993 |
Process for increasing the pulse repetition frequency in a laser |
Oct. 28, 1980 |
| 4230992 |
Remote control system for traffic signal control system |
Oct. 28, 1980 |
| 4230991 |
Digital frequency process and method using frequency shifting techniques, especially for low fre... |
Oct. 28, 1980 |
| 4230990 |
Broadcast program identification method and system |
Oct. 28, 1980 |
| 4230989 |
Communications system with repeater stations |
Oct. 28, 1980 |
| 4230988 |
Resistance neutralizing system for electrochemical devices |
Oct. 28, 1980 |
| 4230987 |
Digital eddy current apparatus for generating metallurgical signatures and monitoring metallurgi... |
Oct. 28, 1980 |
| 4230986 |
Apparatus for facilitating the servicing of printed circuit boards |
Oct. 28, 1980 |
| 4230985 |
Fixturing system |
Oct. 28, 1980 |
| 4230984 |
Method and apparatus for driving an air core gage |
Oct. 28, 1980 |
| 4230983 |
Seed viability analyzer |
Oct. 28, 1980 |
| 4230982 |
Process and device for short-circuit monitoring of electrical lines |
Oct. 28, 1980 |
| 4230981 |
Current supply installation with voltage-controlled current supply devices connected in parallel... |
Oct. 28, 1980 |
| 4230980 |
Bias circuit |
Oct. 28, 1980 |
| 4230979 |
Controlled current inverter and motor control system |
Oct. 28, 1980 |
| 4230978 |
Impulse drive system |
Oct. 28, 1980 |
| 4230977 |
Speed control for electric motor |
Oct. 28, 1980 |
| 4230976 |
Brushless, permanent magnet d-c motor with improved commutation control |
Oct. 28, 1980 |
| 4230975 |
Control circuit arrangement for DC motors |
Oct. 28, 1980 |
| 4230974 |
Cathode ray tube deflection circuit having display format selection |
Oct. 28, 1980 |
| 4230973 |
DC Coupled, wide band width high voltage modulator |
Oct. 28, 1980 |
| 4230972 |
Dynamic focus circuitry for a CRT data display terminal |
Oct. 28, 1980 |
| 4230971 |
Variable intensity control apparatus for operating a gas discharge lamp |
Oct. 28, 1980 |
| 4230970 |
Method and apparatus for saving energy |
Oct. 28, 1980 |
| 4230969 |
Ignition timing testing device |
Oct. 28, 1980 |
| 4230968 |
Cathode structure for magnetrons |
Oct. 28, 1980 |
| 4230967 |
Cathode ray tube with touch-sensitive display panel |
Oct. 28, 1980 |
| 4230966 |
Metal strip attached to high voltage contact with getter at one end and contact to shield cone a... |
Oct. 28, 1980 |
| 4230965 |
Means for positioning an electrical contactor on a CRT mask assembly |
Oct. 28, 1980 |
| 4230964 |
Color high-pressure sodium vapor lamp |
Oct. 28, 1980 |
| 4230963 |
Hydro-thermic energy converter |
Oct. 28, 1980 |
| 4230962 |
Brush plate assembly |
Oct. 28, 1980 |
| 4230961 |
Magnetic flux sensor for laminated cores |
Oct. 28, 1980 |
| 4230960 |
Flexible mounting for an end-supported stator core |
Oct. 28, 1980 |
| 4230959 |
Magnetohydrodynamic (MHD) channel corner seal |
Oct. 28, 1980 |
| 4230958 |
Loss of clock detector circuit |
Oct. 28, 1980 |
| 4230957 |
Logic JK flip-flop structure |
Oct. 28, 1980 |
| 4230956 |
Doubly balanced mixer with optimized dynamic range |
Oct. 28, 1980 |
| 4230955 |
Method of and apparatus for eliminating priming and carrier sweep-out losses in SCR switching ci... |
Oct. 28, 1980 |
| 4230954 |
Permanent or semipermanent charge transfer storage systems |
Oct. 28, 1980 |
| 4230953 |
Non-linear control circuit |
Oct. 28, 1980 |
| 4230952 |
Regenerator circuit for CCD arrangements in a multi-layer metallization structure |
Oct. 28, 1980 |
| 4230951 |
Wave shaping circuit |
Oct. 28, 1980 |
| 4230950 |
Electro-optic smoke detector |
Oct. 28, 1980 |
| 4230949 |
Tomographic apparatus for producing transverse layer images of a radiography subject |
Oct. 28, 1980 |
| 4230948 |
Arrangement for the production of x-ray sectional pictures |
Oct. 28, 1980 |
| 4230947 |
Apparatus for treating flowable material |
Oct. 28, 1980 |
| 4230946 |
Cryogenic collimator apparatus and method |
Oct. 28, 1980 |
| 4230945 |
Device for detecting ionizing radiation |
Oct. 28, 1980 |
| 4230944 |
X-ray system exposure control with ion chamber |
Oct. 28, 1980 |
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