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:
May. 15, 2012
Filed:
Jun. 15, 2007
Ryoji Noguchi, Tsurugashima, JP;
Manabu Nohara, Tsurugashima, JP;
Takayuki Akimoto, Tsurugashima, JP;
Tomoaki Iwai, Tsurugashima, JP;
Yusuke Soga, Tsurugashima, JP;
Ryoji Noguchi, Tsurugashima, JP;
Manabu Nohara, Tsurugashima, JP;
Takayuki Akimoto, Tsurugashima, JP;
Tomoaki Iwai, Tsurugashima, JP;
Yusuke Soga, Tsurugashima, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
A two-dimensional code pattern includes: a boundary pattern in which each of pixels in a group are set into a turn-on state or a turn-off state; a rotation detection pattern in which each pixel belonging to a group in each block is set into the turn-on state or the turn-off state by a light emitting pattern which can detect a rotational angle upon reading of the block; and an information pattern in which both of each pixel belonging to a first quadrant region in the block and each pixel belonging to a third quadrant region are set into the turn-on state or the turn-off state according to first information data and both of each pixel belonging to a second quadrant region and each pixel belonging to a fourth quadrant region are set into the turn-on state or the turn-off state according to second information data.