Liquid container and recording apparatus

• US 6,994,431 B2
• Filed: 12/16/2003
• Issued: 02/07/2006
• Est. Priority Date: 12/16/2002
• Status: Expired due to Fees

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Anma, Hiromasa, Yamamoto, Hajime, Kitabatake, Kenji, Matsuo, Keisuke
• Primary Examiner(s): TRAN, HUAN HUU
• Application Number:
  US10/735,753
• Publication Number:
  US 20040150705A1
• Time in Patent Office: 784 Days
• Field of Search: 347/19, 347/85, 347/86
• US Class Current: 347/86
• CPC Class Codes: B41J 2/17546 electronically
• CPC Class Codes: B41J 2/17553 Outer structure
• CPC Class Codes: B41J 2/17566 Ink level or ink residue control

Abstract

A liquid container containing ink, which is detachably mountable to a carriage, the improvement residing in the provision of an optical medium to which information is writable using visible light and from which the information is readable.

Claims

1. A liquid container containing ink, which is detachably mountable to a carriage, the improvement residing in the provision of an optical medium to which information is writable using visible light and from which the information is readable,

wherein said optical medium includes a substrate and a coloring matter layer laminated thereon, and said substrate is integral with said liquid container.

2. A liquid container containing ink, which is detachably mountable to a carriage, the improvement residing in the provision of an optical medium to which information is writable using visible light and from which the information is readable,

wherein said liquid container is made of amorphous cyclic polyolefin resin material.

3. A liquid container containing ink, which is detachably mountable to a carriage, the improvement residing in the provision of an optical medium to which information is writable using visible light and from which the information is readable,

wherein said optical medium includes a plurality of the areas on which the same information is written, respectively.

4. A liquid container containing ink, which is detachably mountable to a carriage, the improvement residing in the provision of an optical medium to which information is writable using visible light and from which the information is readable,

wherein said optical medium includes a first area in which a main part of the information is written and the second area in which a subordinate part of the information indicative of a position at which the main information is written.

5. A liquid container containing ink, which is detachably mountable to a carriage, the improvement residing in the provision of an optical medium to which information is writable using visible light and from which the information is readable,

wherein further comprising a prism in a liquid accommodating portion for accommodating the liquid, and wherein the reflecting surface of the prism is deviated from said optical medium with respect to a direction of height of said liquid container.