| 摘要 |
A device for viewing a 3D image comprising a filter having a plurality of apertures, each with a filter which prevents passage of at least one wave length of electromagnetic radiation, the filter screen being spaced from a backing screen which is adapted to display an image on a front thereof. Also disclosed are: a business system with means to record the amount gambled by a player in a gambling game, and investing an amount of money for the player; an isolation device comprising a plurality of storage devices and switching means, where one storage means is connected to a source of current, another is connected to a circuit and another is isolated from the current source and the circuit, and the switching means switches the storage devices between isolation, the circuit and the current source; a method of encoding data using original data and reference data, and transmitting the difference between the reference data and the original data; a gear assembly with an input and output lever adapted to move in similar or opposite linear directions; a method of limiting emails using a public address and a private address. |
