A multi-directional input apparatus having a volume as a signal output in which the number of parts of the multi-directional input apparatus is reduced. Turning members 40A and 40B which are turned when an operating member 30 is operated are combined at right angles in a case 10. The turning members...http://www.google.co.uk/patents/US7071918?utm_source=gb-gplus-sharePatent US7071918 - Volume-integral type multi directional input apparatus
