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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 7079038 | Method and apparatus for communication between an electronic device and a connected battery An apparatus supporting both identification of a battery type and communications over an interface between a battery and an electronic device is disclosed. The electronic device includes a processor for communicating with communications circuitry of the battery. Ide... | 07/18/2006 |
| 6809649 | Method and apparatus for communication between an electronic device and a connected battery An apparatus supporting both identification of a battery type and communications over an interface between a battery and an electronic device is disclosed. The electronic device includes a processor for communicating with communications circuitry of the battery. Ide... | 10/26/2004 |
| 6103408 | Electric battery In an electric battery, an electronic clock is integrated in the battery container in order to monitor battery functions. The frequency of the electronic clock is varied as a function of at least one characteristic value of the battery. In one embodiment,... | 08/15/2000 |
| 5095537 | Automatic monitoring system in an explosive environment of a direct current source by storage batteries An automatic monitoring system of storage batteries housed in battery rooms comprises an acquisition satellite associated with a sensor to measure various physical parameters representative of the operating state of a pilot battery cell, notably the densi... | 03/10/1992 |
| 3996579 | Battery electrolyte level indicator A battery electrolyte level indicator for indicating when the electrolyte of a wet cell battery has fallen below a minimum acceptable level. A probe pair is disposed in each cell of the battery to a depth corresponding to the minimum acceptable level of t... | 12/07/1976 |
| 3994175 | Device for detecting specific gravity and level of liquid A device for detecting the specific gravity and level of liquid in a container comprising a light source, a photoelectric transducer positioned in light receiving relationship with respect to the light source, a float which has a predetermined specific gr... | 11/30/1976 |
