| Patent Number |
Title Of Patent |
Date Issued |
| 5623196 |
Apparatus and method of simulating high battery temperature in a rechargeable battery |
April 22, 1997 |
| A device (111) for simulating a high battery temperature used in charging a rechargeable cell (101). The device takes advantage of a control signal generated by a voltage control circuit (103) used to disconnect a rechargeable cell (101) from a charging system (105) when a predetermined |
| 5608307 |
Apparatus for controlling excess recharge current applied to a battery |
March 4, 1997 |
| A battery recharge current source 12 provides a recharge current 14 to battery cells 16. Recharge current 14 is in excess of an optimum recharge current level for battery cells 16 and is divided into currents 26 and 28 by variable shunt load 24 as controlled by charge current control cir |
| 5411616 |
Method for ultrasonically welding thin-walled components |
May 2, 1995 |
| A process for joining at least two ultrathin plastic pieces by an ultrasonic welding method is disclosed. The process includes providing a plurality of energy directors for enhancing weld strength, and reducing unacceptable welds. The process also includes providing a groove in a fla |
| 5328780 |
Method for controlling corrosion on a battery with fractionally sized terminals |
July 12, 1994 |
| A battery comprises a battery cell (110) having positive (160) and negative (140) electrical terminals. The terminals are electrically coupled to the battery cell and situated on an external surface (120) of the battery cell. The exposed surface area of the positive terminal is greater t |
| 5307519 |
Circuit with built-in heat sink |
April 26, 1994 |
| A circuit assembly (400) includes a flexible circuit (402) having first (504) and second layers (502). A current-limiting device such as a nichrome strip (316) is coupled to the flexible circuit (402) for limiting the amount of current during a short circuit condition. A heat sink (404) |
| 5302110 |
Unitized battery package |
April 12, 1994 |
| An electrical energy source (5), comprises a power supply (14) located in a housing (16). The power supply has positive (22) and negative (24) terminals attached to it and to the exterior of the housing. Conductors (12) connect the power supply to the positive and negative terminals. The |
| 5300125 |
Method of bonding a battery package |
April 5, 1994 |
| A method of fabricating a battery package. The battery package (5) is made using a two-piece plastic housing (16, 18, 20), with one or both of the pieces having one or more apertures (30). Cylindrical-shaped batteries (10) are electrically connected to each other and situated in the hous |
| 5293297 |
Thermally regulated safety device for portable energy units |
March 8, 1994 |
| An improved circuit protection device (30) comprises a PTC element (10), at least two electrodes (2 and 3) connectable to a source of electrical power (12) so that current passes between the electrodes (2 and 3) through the PTC element (10), and at least one nichrome electrical lead (122 |
| 5260146 |
Cathodically protected battery having sacrificial anode |
November 9, 1993 |
| A cathodically protected battery comprising a battery cell (110) having positive (160) and negative (140) electrical terminals. A sacrificial anode (150) is electrically coupled to the battery cell and situated on an external surface (120) of the battery cell. The sacrificial anode is |
