Keyboard having magnet-actuted switches

A text input keyboard with magnet-actuated proximity switches, and a stylus having a magnet at the tip. Each key of the keyboard has a magnet actuated switch. A key is selected by disposing the stylus magnet near the selected key and switch. The switch closes due to the magnetic field from the magne...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	STEINBERG DAN A
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES PHYSICS RELAYS SELECTORS
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