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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4072998 |
Over-voltage protection device |
Feb. 7, 1978 |
| 4072997 |
Overtemperature protective circuit for switching devices |
Feb. 7, 1978 |
| 4072996 |
Method and arrangement for arc quenching in arresters |
Feb. 7, 1978 |
| 4072995 |
Tape viewing system for micro-cassette tape recorder |
Feb. 7, 1978 |
| 4072994 |
Read-after-write head |
Feb. 7, 1978 |
| 4072993 |
Multi-element magnetic head |
Feb. 7, 1978 |
| 4072992 |
Continuous loop tape cartridges |
Feb. 7, 1978 |
| 4072991 |
Automatic magnetic-tape cassette changing device |
Feb. 7, 1978 |
| 4072990 |
Servo positioning system for data storage apparatus |
Feb. 7, 1978 |
| 4072989 |
Audio-visual presentation device |
Feb. 7, 1978 |
| 4072988 |
Cassette loading device in a cassette tape recorder |
Feb. 7, 1978 |
| 4072987 |
Digital storage systems |
Feb. 7, 1978 |
| 4072986 |
Message synthetizer |
Feb. 7, 1978 |
| 4072985 |
Video disc with a dielectric layer formed from styrene and nitrogen |
Feb. 7, 1978 |
| 4072984 |
Chrominance-luminance separator |
Feb. 7, 1978 |
| 4072983 |
SECAM identification circuit |
Feb. 7, 1978 |
| 4072982 |
Semiconductor component with dielectric carrier and its manufacture |
Feb. 7, 1978 |
| 4072981 |
Fast switching Darlington circuit |
Feb. 7, 1978 |
| 4072980 |
Thyristor |
Feb. 7, 1978 |
| 4072979 |
Integrated power amplifier |
Feb. 7, 1978 |
| 4072978 |
CCD input and node preset method |
Feb. 7, 1978 |
| 4072977 |
Read only memory utilizing charge coupled device structures |
Feb. 7, 1978 |
| 4072976 |
Gate protection device for MOS circuits |
Feb. 7, 1978 |
| 4072975 |
Insulated gate field effect transistor |
Feb. 7, 1978 |
| 4072974 |
Silicon resistive device for integrated circuits |
Feb. 7, 1978 |
| 4072973 |
Camera signal system for portrait taking |
Feb. 7, 1978 |
| 4072972 |
Photographic film cassette |
Feb. 7, 1978 |
| 4072971 |
Focus adjustment and determination means |
Feb. 7, 1978 |
| 4072970 |
Still camera |
Feb. 7, 1978 |
| 4072969 |
Ranging system for camera viewfinder |
Feb. 7, 1978 |
| 4072968 |
Self-retracting imbibition chamber for cameras and method of making the same |
Feb. 7, 1978 |
| 4072967 |
Stereoscopic projection microscopy |
Feb. 7, 1978 |
| 4072966 |
Photographic camera with built-in generator |
Feb. 7, 1978 |
| 4072965 |
Electronic shutter control circuit |
Feb. 7, 1978 |
| 4072964 |
Scene light responsive variable quench time delay for quench strobe |
Feb. 7, 1978 |
| 4072963 |
Programme-controlled shutter |
Feb. 7, 1978 |
| 4072962 |
Metering device |
Feb. 7, 1978 |
| 4072961 |
Light measuring circuit for automatic exposure control |
Feb. 7, 1978 |
| 4072960 |
Camera with battery testing device |
Feb. 7, 1978 |
| 4072959 |
Recorder operating with drops of liquid |
Feb. 7, 1978 |
| 4072958 |
Ink injection type writing system using amplitude-modulated electrical signals |
Feb. 7, 1978 |
| 4072957 |
Non-impact printing system with magnetic recording apparatus and method |
Feb. 7, 1978 |
| 4072956 |
Multifrequency array using common phasors |
Feb. 7, 1978 |
| 4072955 |
Multiband antenna for window panes |
Feb. 7, 1978 |
| 4072954 |
Multiband antenna for window panes |
Feb. 7, 1978 |
| 4072953 |
Multiband antenna for window panes |
Feb. 7, 1978 |
| 4072952 |
Microwave landing system antenna |
Feb. 7, 1978 |
| 4072951 |
Notch fed twin electric micro-strip dipole antennas |
Feb. 7, 1978 |
| 4072950 |
LF/MF navigation system |
Feb. 7, 1978 |
| 4072949 |
Range gate walk-off of compressive radar |
Feb. 7, 1978 |
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