Portable charging device for coupling portable phones to vehicle and for attaching portable phones to user

• US 6,552,513 B1
• Filed: 01/15/2002
• Issued: 04/22/2003
• Est. Priority Date: 01/15/2002
• Status: Expired due to Fees

• Current Assignee: Canhold International Limited
• Original Assignee: Canhold International Limited
• Inventors: Li, Kai Man
• Primary Examiner(s): Tso, Edward H.
• Application Number:
  US10/045,378
• Time in Patent Office: 462 Days
• Field of Search: 320/107, 320/110, 320/111, 320/112, 320/113, 320/114, 320/115, D13/103, D13/107, D13/108, 307/150, 429/96-100
• US Class Current: 320/107
• CPC Class Codes: B60R 11/0241 for telephones
• CPC Class Codes: H01M 10/42 Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells H01M10/60 takes precedence
• CPC Class Codes: H01M 50/256 Carrying devices, e.g. belts
• CPC Class Codes: H02J 7/342 The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging with circuits for polarity protection H02J7/0034
• CPC Class Codes: H04M 1/04 Supports for telephone transmitters or receivers
• CPC Class Codes: H04M 1/6041 Portable telephones adapted for handsfree use
• CPC Class Codes: H04M 1/6075 adapted for handsfree use in a vehicle H04M1/6058 takes precedence; arrangements for holding telephones in a vehicle B60R11/0241
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A portable charging device includes a housing having a space for receiving the mobile phone and having one or more prongs for plugging to the mobile phone, a circuit board secured in the housing, a speaker coupled to the circuit board for generating sound waves, and a battery engaged in the housing and coupled to the circuit board for energizing the speaker. The mobile phone may be easily carried by the users with the housing, and may be easily secured to the vehicle and may be electrically coupled to the battery of the vehicle via the circuit board.

Claims

1. A portable charging device for mobile phones, said portable charging device comprising:

a housing including a bottom portion having a seat extended forward therefrom, and two sides each having a flap extended forward therefrom, for forming a space between said seat and said flaps and for receiving the mobile phone, and said housing including at least one prong for plugging to the mobile phone,

a circuit board secured in said housing, said circuit board including a socket provided therein,

a plug coupled to said socket of said circuit board for plugging and coupling to a power supply of a vehicle,

a speaker coupled to said circuit board for generating sound waves,

a battery engaged in said housing and coupled to said circuit board for energizing said speaker,

a stay pivotally secured to said housing with a pivot axle, for selectively supporting the mobile phone on a supporting surface, and

a clip for securing said housing to user.