Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 3959791 | Digital display systems In a digital display system of the type wherein a plurality of luminous display elements are selectively operated in accordance with the value of an analogue input signal, the driving circuit of the display elements is constructed such that one display el... | 05/25/1976 |
| 3956697 | Voltage detector for detecting different voltage levels in conductors of an electrical power line A voltage detector has a plurality of voltage detection circuits which, at their respective inputs, are electrically connected in common to a feeler serving as a test probe for contacting a power line conductor. The detection circuits are cascaded in the ... | 05/11/1976 |
| 3947753 | Voltage regulator including an LED to provide a reference voltage A voltage regulator which includes an electrical circuit for maintaining a constant output, said electrical circuit including at least one light emitting diode connected to provide a reference voltage and to operate as a pilot lamp.... | 03/30/1976 |
| 3938075 | Exhaust gas sensor failure detection system In a fuel management system of an internal combustion engine having an exhaust gas sensor positioned in the exhaust gases of the engine for controlling the fuel mixture to the engine, an exhaust gas sensor failure detection system for determining when the... | 02/10/1976 |
| 3932797 | Self-testing battery discharge indicator The voltage of a battery connected to a load is automatically indicated with respect to two voltage levels. A first indicating means indicates that the battery voltage is greater than a first voltage level, and a second indicating means indicates that the... | 01/13/1976 |
| 3930687 | Signal generating circuit for anti-skid brake control apparatus A signal generating circuit for anti-skid brake system includes at least a pair of first and second wheels, and a pair of first and second sensing coils for sensing rotational conditions of the first and second wheels, respectively, and generating first a... | 01/06/1976 |
