| Patent Number |
Title Of Patent |
Date Issued |
| 6142919 |
Multi-purpose low profile physical exercising device |
November 7, 2000 |
| A physical exercising device having a handle to be grasped by an exercising person; an elongate frame having a plurality of attachment points disposed along the frame; an elastic resistance member having one end attached to the frame and another end; a fixed pulley fixedly attached to th |
| 5691711 |
Digital electronic key and lock system |
November 25, 1997 |
| A key and lock system for enabling access to at least one protected domain in response to an enabling signal. The system includes a key arrangement capable of generating a digital key code composed of least one and zero bits; an electronic device arranged for receiving the digital key co |
| 5272464 |
Centralized automotive resource management system |
December 21, 1993 |
| In accordance with the invention there is provided a central vehicle resource management system including vehicle status sensing apparatus for generating a plurality of vehicle status signals, central electronic logic interpretation apparatus coupled to the status signals for interpretin |
| 5200066 |
Oil spill collecting device with vortex generator |
April 6, 1993 |
| Oil spill collecting device for collecting an oil layer spilled on a water surface. It has at least a first floating oil collecting arm, a vortex generator disposed at one end of the collecting arm, at least one elongate water inlet with two facing side edges in the vortex generator in f |
| 5107467 |
Echo location system for vision-impaired persons |
April 21, 1992 |
| Echo locating apparatus for a vision-impaired person which includes: a sound emitter for emitting a stream of sound bursts of ultrahigh frequency; at least one receive channel having a microphone for receiving echoes of the sound bursts and generating echo signals; an echo profile de |
| 4907136 |
Echo location system for vision-impaired persons |
March 6, 1990 |
| Echo locating apparatus for a vision-impaired person which includes: a sound emitter for emitting a stream of sound bursts of ultrahigh frequency; at least on receive channel having a microphone for receiving echoes of the sound bursts and generating echo signals; an echo profile det |
| 4378764 |
Piston and combustion chamber with improved fuel circulation |
April 5, 1983 |
| An internal combustion engine, which has a combustion chamber with a coordinated piston where the combustion chamber is divided into a first and second section, and where the piston has an extension which slides into the second chamber section during the later part of the piston's up |
| 4345575 |
Ignition system with power boosting arrangement |
August 24, 1982 |
| An ignition system for internal combustion engines employing two coordinated power sources which, together, provide a spark of much increased intensity and with extended duration. The first of the coordinated power sources is generally similar to the conventional ignition system empl |
| 4057797 |
All digital delta to PCM converter |
November 8, 1977 |
| A digital circuit for converting a delta modulated signal to a binary coded signal without producing an interim analog signal. The principal portions of the circuit are an up-down counter, a read-only memory the instantaneous output of which is controlled by the up-down counter, logic |
| 4034871 |
Adapter for mounting printed circuit cards |
July 12, 1977 |
| A printed circuit card adapter for mounting on an elongated stud comprises a bar-like member having at least one surface area having a contour substantially conforming to the surface of the elongated stud upon which it is mounted. Guide means are disposed on the member for receiving an |
| 4029907 |
Asynchronous digital repeater |
June 14, 1977 |
| An asynchronous, regenerative, digital repeater for use in bipolar digital signalling systems includes an amplifier for receiving and amplifying incoming signals, a first monostable multivibrator for producing regenerated pulses responsively to the output of the amplifier, an output |
