Battery operated information processing apparatus

• US 5,811,890 A
• Filed: 10/25/1995
• Issued: 09/22/1998
• Est. Priority Date: 10/27/1994
• Status: Expired due to Fees

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Hamamoto, Akihiko
• Primary Examiner(s): Williams, Howard L.
• Application Number:
  US08/547,808
• Time in Patent Office: 1,063 Days
• Field of Search: 307/66, 364/707, 395/750, 361/92
• US Class Current: 307/66
• CPC Class Codes: G01R 31/3648 comprising digital calculation means, e.g. for performing an algorithm
• CPC Class Codes: G06F 1/263 Arrangements for using multiple switchable power supplies, e.g. battery and AC G06F1/30 takes precedence
• CPC Class Codes: H02J 7/0031 using battery or load disconnect circuits H02J9/002 takes precedence
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/007 Regulation of charging or discharging current or voltage
• CPC Class Codes: H02J 9/061 for DC powered loads

Claims