The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 1986
Filed:
Oct. 03, 1983
Applicant:
Inventor:
Iain Sinclair, Cambridge, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63F / ;
U.S. Cl.
CPC ...
2731 / ;
Abstract
A puzzle comprises a cube having translucent faces with a light source behind each face. Gravity-sensitive or orientation-sensitive switches such as mercury switches, are connected to an electronic circuit acting to compare the switching states and switching movements of the switches with a programmed sequence held in a memory to determine whether and which of the light sources to illuminate. In use of the puzzle the faces will light up when a predetermined sequence of rotations about three orthogonal axes are performed correctly to match the switching sequences with the stored sequence.