Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 4716343 | Constant illumination, remotely dimmable electronic ballast A solid-state ballast for discharge lamps includes a device for sensing the instantaneous current flowing within the load to produce illumination. A signal representing this load current is differentially processed with an external control signal represen... | 12/29/1987 |
| 4667281 | Speed-up circuit for switched power transistor A circuit is provided to speed up switching of a capacitively coupled power transistor driven with a signal provided from a pulse width modulator. The speed-up circuit is provided across a buffer amplifier which is in series circuit between the pulse widt... | 05/19/1987 |
| 4599676 | Capacitor with integral discharge resistor and method of making same A capacitor with an integral discharge resistor includes a central core formed at least partially from an electrically resistive material and which includes opposite axial ends. First and second sheets of electrically conductive material, as well as a she... | 07/08/1986 |
