Fugen Qin - Baltimore MD, US Daniele Brotto - Baltimore MD, US Danh Trinh - Parkville MD, US Regina Cunanan - Parkville MD, US Andrew Seman - White Marsh MD, US
Assignee:
Black & Decker Inc. - Newark DE
International Classification:
G06F 15/177
US Classification:
713 1, 713 2, 717171
Abstract:
A power tool system component has a microprocessor, a one wire communication terminal connecting the microprocessor to an external device, and a flash memory storing: (a) an application program governing operation of an application mode during which the power tool system component is operated; and (b) a boot loader program governing operation of a boot loader mode during which at least part of the application program can be updated. The microprocessor accesses the flash memory and implements the boot loader program and the application program by setting up and observing a temporal window during which one or more predetermined conditions must be met for the boot loader mode to be entered. The predetermined conditions include successful completion of a calibration process that includes sending a calibration byte to the external device according to a format predetermined to allow the external device to adjust its baud rate for sending and receiving information. Upon successful completion of the conditions within the temporal window, the microprocessor sends a confirmation to the device that the conditions have been satisfied and enters the boot loader mode.
Scott Eshleman - Parkville MD, US Craig Schell - Street MD, US Andrew E. Seman - Pylesville MD, US Daniel Puzio - Baltimore MD, US Daniele C. Brotto - Baltimore MD, US Joseph P. Kelleher - Parkville MD, US Christopher W. Shook - Bel Air MD, US Steven J. Phillips - Ellicott City MD, US Dale W. Boswall - Brockville CA, US James B. Watson - Baltimore MD, US Fugen Qin - Timonium MD, US
Assignee:
Black & Decker Inc. - Newark DE
International Classification:
E21B 15/04
US Classification:
173 1, 173 2, 173176, 173183, 173217
Abstract:
An improved method is provided for operating a power tool. The method includes: monitoring rotational motion of the power tool about an axis using a rotational motion sensor disposed in the power tool; determining a direction of the rotational motion about the axis; and driving the output member in a direction defined by the detected rotational motion of the tool, where the output member is driven by a motor residing in the power tool. Thus, the output member is drive clockwise when the rotational motion of the tool is clockwise about the axis and the output member is drive counter-clockwise when the rotational motion of the tool is counter-clockwise about the axis.
Methods Of Discharge Control For A Battery Pack Of A Cordless Power Tool System, A Cordless Power Tool System And Battery Pack Adapted To Provide Over-Discharge Protection And Discharge Control
David Carrier - Aberdeen MD, US Bhanuprasad Gorti - Abingdon MD, US Danh Trinh - Parkville MD, US R. Bailey - New Park PA, US Andrew Seman - White Marsh MD, US Daniele Brotto - Baltimore MD, US Fred Watts - New Freedom PA, US
International Classification:
H02J007/00
US Classification:
320106000
Abstract:
In a cordless power tool system, a battery pack which may removably attachable to a cordless power tool and to a charger may include at least one battery cell and a power limiting device. The power limiting device may be arranged in series with the at least one battery cell for limiting power output of the battery pack based on the component that is connected to the pack. Current and hence power out of the battery pack may be controlled as a function of total internal impedance in the battery pack, which may be adjusted depending on the component that is connected to the pack.
Protection Methods, Protection Circuits And Protective Devices For Secondary Batteries, A Power Tool, Charger And Battery Pack Adapted To Provide Protection Against Fault Conditions In The Battery Pack
Dave Carrier - Aberdeen MD, US Steve Phillips - Ellicott City MD, US Jeffrey Francis - Nottingham MD, US R. Bailey - New Park PA, US Danh Trinh - Parkville MD, US Andrew Seman - White Marsh MD, US Christopher Yahnker - Raleigh NC, US Daniele Brotto - Baltimore MD, US
International Classification:
H02J007/00
US Classification:
320134000
Abstract:
In a cordless power tool system, protection methods, circuits and devices are provided to protect against fault conditions within a battery pack that is operatively attached to a power tool or charger, so as to prevent internal or external damage to the battery pack or attached tool or charger. The exemplary methods, circuits and devices address fault conditions such as over-charge, over-discharge, over-current, over-temperature, etc.
Apparatus For Interconnecting Battery Cells In A Battery Pack And Method Thereof
Andrew Seman - White Marsh MD, US Christopher Yahnker - Raleigh NC, US Daniel White - Baltimore MD, US Daniele Brotto - Baltimore MD, US David Carrier - Aberdeen MD, US Steven Phillips - Ellicott City MD, US Danh Trinh - Parkville MD, US
International Classification:
H02J007/00
US Classification:
320114000
Abstract:
A battery pack for a cordless power has a plurality of battery cells disposed in a housing. In an embodiment of the invention, battery cells are interconnected with a laminated plate structure having non-conductive layers interspersed with conductive layers, at least one of the conductive layers connected to the battery cells to interconnect them. In an embodiment of the invention, battery cells in a battery pack are interconnected with a flexible printed circuit board having conductive traces thereon that are attached to the battery cells to interconnect them. In an embodiment of the invention, a cordless power tool has one or the other of the foregoing battery packs. In an embodiment of the invention, the battery cells are Lithium Ion battery cells.
Methods For Electrically Isolating A Portable Electrically-Operated Device And Converter Module For Portable Electrically-Operated Device
Steven Phillips - Ellicott City MD, US Daniele Brotto - Baltimore MD, US David Carrier - Aberdeen MD, US Jeffrey Francis - Nottingham MD, US Andrew Seman - White Marsh MD, US Danh Trinh - Parkville MD, US Christopher Yahnker - Raleigh NC, US
International Classification:
G05F001/40
US Classification:
323243000
Abstract:
A method for electrically isolating a portable, electrically-operated device, in which a converter module for converting electrical power from an external power source to a desired DC voltage for the device may be adapted to be removeably attached to the device. The converter module may include a switch mode transformer for electrically isolating the external power source from the device.
Christopher Yahnker - Raleigh NC, US Daniele Brotto - Baltimore MD, US Erik Ekstrom - Woodstock MD, US Andrew Seman - White Marsh MD, US David Carrier - Aberdeen MD, US Steven Phillips - Ellicott City MD, US Michael Doyle - Baldwin MD, US Danh Trinh - Parkville MD, US William Spencer - Ellicott City MD, US Jeffrey Francis - Nottingham MD, US Daniel White - Baltimore MD, US
International Classification:
H01M010/50
US Classification:
429062000, 429120000
Abstract:
A cordless power tool has a housing which includes a mechanism to couple with a removable battery pack. The battery pack includes one or more battery cells as well as a system to dissipate heat from the battery pack.
Battery Pack - Cordless Power Device Interface System
Steven Phillips - Ellicott City MD, US Daniele Brotto - Baltimore MD, US David Carrier - Aberdeen MD, US Jeffrey Francis - Nottingham MD, US Andrew Seman - White Marsh MD, US Danh Trinh - Towson MD, US Christopher Yahnker - Raleigh MD, US James Watson - Fallston MD, US Daniel White - Baltimore MD, US
International Classification:
H02J007/00
US Classification:
320114000
Abstract:
A battery pack for a cordless power tool and a cordless power tool and battery pack combination includes the battery pack having a retention member that pivotally engages a retention member of the power tool and a latch system in which one of the battery pack and power tool has a ball and the other of the power tool and battery pack has a latch that engages the ball. The cordless power tool and battery pack combination may additionally include the battery pack having a modular interface section that interfaces with the power tool and a battery cup section mated to the modular interface section where the battery cup section has one of a plurality of different battery/voltage configurations.
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Reese Puffz (live) - Free For All
A nice song called Reese Puffz played at the Boulder Coffee House