Mobile telephone battery charger with power indicator means

• US 6,555,990 B1
• Filed: 03/29/2002
• Issued: 04/29/2003
• Est. Priority Date: 03/29/2002
• Status: Expired due to Fees

• Current Assignee: Fu-I Yang
• Original Assignee: Fu-I Yang
• Inventors: Yang, Fu-I
• Primary Examiner(s): Tso, Edward H.
• Application Number:
  US10/108,488
• Time in Patent Office: 396 Days
• Field of Search: 320/107, 320/110, 320/111, 320/112, 320/113, 320/114, 320/115
• US Class Current: 320/113
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/0049 Detection of fully charged condition
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A mobile telephone battery charger is constructed to include a LCD, a selector switch, and a microprocessor controlled by the selector switch to drive the LCD to indicate the voltage value or current value of output charging electricity.

Claims

1. A mobile telephone battery charger comprising:

a power adapter connectable to external power supply means; and

a cable extended from said power adapter and terminating in an electric connector for connection to a mobile telephone to transmit electricity from said power adapter to the mobile telephone to charge the battery of the mobile telephone;

wherein said power adapter comprises display means for indicating the voltage value/current value of electricity passing to said cable, selector switch means, and a microprocessor controlled by said selector switch means to drive said display means to indicate the voltage value/current value of electricity passing to said cable.