...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8098046 | Battery charging apparatus having a chute and method of recharging a battery The embodiments of the invention relate to a novel apparatus and method for a battery charging system in a shared environment, as well as for monitoring battery usage and tracking battery location. In one embodiment, the battery charging chute comprises a housing co... | 01/17/2012 |
| 8089247 | Power autonomous portable electric tool set A power autonomous portable electric tool set includes a first sub-unit generating a mechanical operation of a tool having an electric actuator, a portable second sub-unit forming an electric energy source of the set including a battery and at least one electric or ... | 01/03/2012 |
| 8067923 | Rechargeable battery assembly having a data and power connector plug A rechargeable battery assembly comprises a rechargeable battery unit and a data and power connector plug. The battery assembly has a deployed configuration in which the battery assembly has the general form of and functions as a conventional battery format, and a r... | 11/29/2011 |
| 8058840 | Rechargeable battery assembly with movable connector and power conversion circuitry A rechargeable battery assembly comprises a built in connector, circuitry to provide charge control, at least one rechargeable battery unit, and circuitry providing a further function. The battery assembly is mechanically reversible between a deployed configuration ... | 11/15/2011 |
| 8054040 | Battery cover assembly used in portable electronic device A battery cover assembly (10) including a body (11), a first cover (12) and a second cover (13) is provided. The body includes a battery receptacle (115). Both of the first cover and the second cover respectively include two sidewa... | 11/08/2011 |
| 8054041 | Battery module having an improved unit battery assembly coupling structure A battery module is provided. The battery module includes a battery body having a plurality of unit cells arranged in series and having a respective barrier disposed between adjacent unit cells. End plates are disposed on opposite outermost sides of the battery body... | 11/08/2011 |
| 8035342 | Integrated power adapter for a laptop A power pack arrangement for a laptop computer, wherein an AC/DC adapter is integrated with a battery pack to form one cohesive unit freely insertable into and removable from a laptop computer housing. ... | 10/11/2011 |
| 8030889 | Docking device A docking device for receiving a portable computer is disclosed. The docking device includes a device housing and a charging connector that is provided on a side surface of the device housing and is connected to a battery connector of a battery pack in order to char... | 10/04/2011 |
| 7994753 | Portable communication apparatus and a battery pack A battery pack has a case for storing a battery can, and a metal plane made of a conductive material and connected to the battery can in high frequency is provided on the outer circumference plane of the case. A mounting recessed part for removably mounting the batt... | 08/09/2011 |
| 7977913 | Battery pack A battery pack comprising a rechargeable power source element; an input member for connecting the battery pack to an external power source; an output member for connecting the battery pack to an external device for power supply to the external device a micro-control... | 07/12/2011 |
| 7956574 | System and method for interconnection of battery packs A system and method interconnects battery packs using a flexible bus bar to prevent vibration from breaking or damaging the connections therebetween. ... | 06/07/2011 |
| 7948210 | Battery pack and electric tool A battery pack includes a plurality of lithium battery cells, an analog thermo sensing member, and an analog switch. The analog thermo sensing member detects, in an analog form, a battery temperature of at least one of the plurality of lithium battery cells, and out... | 05/24/2011 |
| 7944173 | Lithium-based battery pack for a high current draw, hand held power tool A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can b... | 05/17/2011 |
| 7944174 | Battery pack, charger and terminal block arrangements for cordless power tool system A battery pack, charger, and terminal blocks for the pack, charger and a cordless power tool are provided. The pack includes battery cells disposed between end caps within a bottom housing of the pack, and a potting boat for housing pack electronics electrically con... | 05/17/2011 |
| 7940025 | Device for locking a power tool to a battery pack, and battery pack A device for locking a power tool to a battery pack has at least one movable locking bar mountable on the power tool and upon locking engaging a detent recess of the battery pack, and at least one unlocking device for manually disengaging the locking bar from the de... | 05/10/2011 |
| 7936148 | Battery-operated screwdriver and charger shell therefor A battery-operated screwdriver has a housing with a handle, a rechargeable battery, charge contacts for charging the battery on a charger shell having at least one detachably mounted bit holder for storing tool inserts of the battery-operated screwdriver in captive ... | 05/03/2011 |
| 7872446 | Submersible/sterilizable battery A battery pack for a sterilizable instrument, such as a medical endoscope. The battery pack includes batteries removably positioned within an enclosure which mounts a first grouping of electrical contacts engaged with the battery contacts. The enclosure includes an ... | 01/18/2011 |
| 7843167 | Battery charger with charge indicator A battery charger having an integrated battery charge indicator that is readily visible when a battery pack is connected for charging. The battery charge indicator is on a visible outer surface of the housing of the battery charger to indicate a state of charge of t... | 11/30/2010 |
| 7786696 | Battery pack charged by external power generator and supplying discharge power to external load in parallel to external power generator A battery pack that is charged with power generated in an external power generator and supplies battery power to an external load in parallel with the external power generator, and a power receiving device of a portable electronic device that receives and supplies b... | 08/31/2010 |
| 7782011 | Battery pack charging apparatus and method for constant current and constant voltage charging of multiple battery packs A charging apparatus for charging a plurality of detachable battery packs includes a charging device for charging the plurality of battery packs one after another. A monitoring device is included to monitor attachment of a battery pack. A memory is included to store... | 08/24/2010 |
| 7768231 | Battery pack Disclosed herein is a battery pack wherein ultrasonic welding is performed at side walls extending from an upper case and a lower case, each of the side walls having a predetermined thickness, and a film-shaped label is formed at the upper surface and/or the lower s... | 08/03/2010 |
| 7768232 | Battery pack with built in communication port A system and method for providing a communication port integral with a battery pack assembly is disclosed. The system provides a pathway between an external unit and a host unit via a printed circuit board of the battery pack. The battery pack can include communicat... | 08/03/2010 |
| 7764047 | Battery module with improved structure, battery contact and heat dissipation A battery module includes a plurality of unit batteries and barriers which are interposed between the unit batteries. The barriers have front surfaces which contact the unit batteries and which are curved to bend elastically. The barriers have side surfaces which in... | 07/27/2010 |
| 7733055 | Battery pack and method of manufacturing the same A battery pack, including a bare cell, a protection circuit board electrically connected to the bare cell, the protection circuit board including a checking unit to check whether the protection circuit board is operational, an upper case disposed on an upper side of... | 06/08/2010 |
| 7723951 | Battery charging apparatus having a chute and method of recharging a battery The embodiments of the invention relate to a novel apparatus and method for a battery charging system in a shared environment, as well as for monitoring battery usage and tracking battery location. In one embodiment, the battery charging chute comprises a housing co... | 05/25/2010 |
| 7710070 | Battery pack apparatus and method of controlling battery pack apparatus A battery pack apparatus is provided. The battery pack includes a battery, a circuit board connected to the battery, and a detecting unit on the circuit board configured to detect a battery power line of the battery detached from the circuit board by detecting a bat... | 05/04/2010 |
| 7701170 | Secondary battery pack with frame for battery mounting A battery pack including a secondary battery and a frame for mounting the secondary battery therein. A mounting ledge protrudes from one portion of the frame and a guide member protrudes from another portion of the frame. A circuit section is installed at a portion ... | 04/20/2010 |
| 7701169 | Lithium secondary battery having internal protection circuit The present invention relates to a lithium secondary battery with a built-in protective circuit, which includes battery case (1), a battery core (2) and electrolyte. According to the present invention, a built-in protective circuit module (4) is... | 04/20/2010 |
| 7696720 | Battery pack and electronic device A battery pack includes a battery, a pair of output terminals connected to the battery, a switch inserted between the battery and one of the pair of output terminals, an acceleration sensor detecting a shock and outputting a detected value dependent thereon, and a c... | 04/13/2010 |
| 7688027 | Portable battery charger to charge plural batteries A charger configured to charge batteries includes a housing including a plurality of battery storage chambers accommodating the batteries, the battery storage chambers being aligned in a horizontal direction such that depth directions of the battery storage chambers... | 03/30/2010 |
| 7679318 | Battery device Battery side terminals disposed on the first and second battery devices are arranged at the same places at front surfaces with respect to lower surfaces and side surfaces. On the front surface of a case of the second battery device, there are formed engaging recesse... | 03/16/2010 |
| 7675263 | Method for controlling battery pack A battery pack includes a switching element, a heat resistor, and a fuse. The switching element turns to ON if the battery pack becomes in an abnormal state. The heat resistor is connected to the switching element and a battery in series. Current flows through the h... | 03/09/2010 |
| 7671560 | Method and apparatus for handling deeply discharged batteries in a mobile station In one embodiment, the present invention includes a method for performing a test on a rechargeable battery to indirectly determine a state of protection circuitry associated with the battery. The method may discharge the battery by controlling a pull-down current in... | 03/02/2010 |
| 7667432 | Method for interconnection of battery packs and battery assembly containing interconnected battery packs A system and method interconnects battery packs using a flexible bus bar to prevent vibration from breaking or damaging the connections therebetween. ... | 02/23/2010 |
| 7659693 | Rechargeable battery The invention relates to a rechargeable battery with a battery housing having a rear wall with a recess which extends as far as an end wall of the battery housing and has a base side and narrow sides facing each other, the base side continuing via a step into the ou... | 02/09/2010 |
| 7659691 | Power supply unit A power supply unit for extending a function of an apparatus (image pickup apparatus) unloadably loaded with a flat parallelopiped battery having a roughly square principal surface includes the flat battery, and a power supply (for example, a control grip including ... | 02/09/2010 |
| 7659692 | Rechargeable battery pack for a power tool having an interruptor for prevention of overcharging A battery pack for a power tool of self-contained over-charge protection is proposed. The battery pack includes a battery stack composed of a plurality of series connected secondary cells, and a charge terminal connected through a charge current path to the battery ... | 02/09/2010 |
| 7656120 | Power supply system comprising rechargeable battery pack and attachment apparatus A power supply system capable of providing electric power to an electronic device having a first battery includes a battery pack (100) and an attachment apparatus (300). The battery pack includes a body (110) having at least a first recess (2... | 02/02/2010 |
| 7649337 | Power tool including a fuel gauge and method of operating the same A power tool and a method of operating a power tool. The power tool can include a housing supporting a motor, a switch assembly, and a fuel gauge. The method can include the acts of activating the switch assembly to electrically connect the motor and a battery, meas... | 01/19/2010 |
| 7646167 | System for updating programmable batteries A system for updating battery software includes a programmable battery unit that includes an internal access point. The programmable battery unit includes a battery control unit that controls the overall functionality of the programmable battery unit. A programmable... | 01/12/2010 |