US 8,617,741 B2Granted

Battery device and electronic apparatus

AssigneeSony Corporation

InventorsToshio Takeshita, Kei Tashiro, Takashi Kondou, Yoshihito Tamesue

Life of this patent

Estimating the term…

Loading patent…

Abstract

A battery charger includes a battery attachment section configured to have a rechargeable battery releasably attached thereto. The battery attachment section includes a flat attachment surface having a width corresponding to a width of a bottom surface of a case of the battery to be charged and a length greater than a length of the bottom surface of the case of the battery to be charged; a plurality of locking hooks provided on the attachment surface; a charger terminal configured to contact a terminal of the battery to be charged, the charger terminal including a plurality of plate-shaped contact pieces configured to be inserted into engaging grooves of the battery to be charged; and an attachment projection adjacent to the attachment surface and configured to secure the battery to the charger.

Claims16

Dependent claims

A battery comprising:

a case having a width, a thickness, and a length, the case including a body section and a bottom section, the bottom section provided in a middle of the body section in a width direction and at one end of the body section in a thickness direction, the bottom section having a width which is smaller than the width of the body section;
a battery cell housed inside of the case;
a power supply terminal configured to supply an operating current to external electronic equipment from the battery cell;
a bottom surface formed at one of surfaces of the bottom section in the thickness direction;
locking pieces projecting from both side ends in the width direction of the bottom section such that a distance between tips of locking pieces positioned on opposite sides in the width direction is greater than the width of the bottom section and smaller than the width of the body section;
and recessed portions opened to both sides in the length direction, the locking pieces hanging over the recessed portions.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/839,580Filed 15 Mar 2013 · continuation
Priority: JP 2003-43392726 Dec 2003
Published: US 2013/0224573 A129 Aug 2013
Granted: 31 Dec 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

H01M 50/213
Characterised by their shape: adapted for cells having curved cross-section, e.g. round or elliptic
H01M 10/42
Secondary cells; Manufacture thereof: methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/107
Characterised by their shape or physical structure: having curved cross-section, e.g. round or elliptic
H01M 10/46
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells: accumulators structurally combined with charging…

Family

PCT/JP2004/019780Parent of this continuation · filed 24 Dec 2004
Application11/858,654Parent of this continuation · filed 20 Sep 2007
Application12/845,437Parent of this continuation · filed 28 Jul 2010
Application13/240,973Parent of this continuation · filed 22 Sep 2011
Application13/481,359Parent of this continuation · filed 25 May 2012
US 2013/0224573 A1Pre-grant publication · published 29 Aug 2013
US 8,461,799 B2Parent of this continuation
US 8,432,127 B2Parent of this continuation
US 8,048,553 B2Parent of this continuation
US 7,794,867 B2Parent of this continuation
Application10/550,535Parent of this continuation
US 7,306,878 B2Parent of this continuation
US 2007/0154800 A1Published application
US 2008/0020274 A1Published application
US 2011/0020696 A1Published application
US 2012/0007548 A1Published application
US 2012/0237814 A1Published application
US 8,617,741 B2This patent

From the US filing history. Foreign family members aren’t listed.