Abstract: A wood-type golf club head with an adjustable keel zone member is disclosed herein. The golf club head includes a body and an adjustable keel zone member. The body has a front portion, a crown portion and a sole portion. The body also having a heel end, a toe end and an aft end. The sole portion has only a single keel point. The adjustable keel zone member is disposed within a keel zone of the sole and located preferentially with respect to the center of gravity. The keel zone member is capable of adjusting the face angle of the wood-type golf club head.
Type:
Grant
Filed:
May 18, 2009
Date of Patent:
May 3, 2011
Assignee:
Callaway Golf Company
Inventors:
Matthew T. Cackett, D. Clayton Evans, Alan Hocknell
Abstract: A device for tracking a golfer's shot during a round of golf wherein the device comprises a housing, a battery having no more than 225 milliamp hours of power, a microprocessor and an accelerometer. The accelerometer is preferably a multiple axis accelerometer. The circuit is preferably utilized with a device for shot tracking.
Abstract: A method for dynamic collision avoidance of graphical and textual elements on a display is disclosed. The method comprises displaying an aerial image of a portion of the golf course on a viewport of a golf GPS device, wherein the GPS device comprises a GPS component, a memory for storing a plurality of aerial images of a golf course, and a user input. The method further comprises determining the location of the at least one element of texts on the display in positional relation to the plurality of elements on the display, determining if there is a collision of elements on the display, and adjusting the texts element to avoid collision.
Abstract: A golf ball having a very low compression and a high COR is disclosed herein. The core preferably comprises a single neodymium-catalyzed polybutadiene, and has a diameter ranging from 1.575 inch to 1.62 inch with a PGA compression ranging from 20 to 45. The cover preferably has a thickness ranging from 0.038 inch to 0.045 inch, and a Shore D hardness ranging from 50 to 58. The golf ball preferably has a coefficient of restitution of at least 0.780, and a PGA compression ranging from 35 to 50.
Abstract: The present invention is a method for transmitting a RFID signal while conserving battery power of a circuit. The method comprises charging a capacitor using a battery. The battery is in electrical communication with a resistor and the resistor is in electrical communication with a capacitor and a load switch. The load switch is in electrical communication with an enabler and a microprocessor. The microprocessor is in electrical communication with a radiofrequency component. The load switch is closed, allowing power drawn from the capacitor to flow to the radiofrequency component.
Abstract: The present invention is a method for transmitting a RFID signal while conserving battery power of a circuit. The method comprises charging a capacitor using a battery. The battery is in electrical communication with a resistor and the resistor is in electrical communication with a capacitor and a load switch. The load switch is in electrical communication with an enabler and a microprocessor. The microprocessor is in electrical communication with a radiofrequency component. The load switch is closed, allowing power drawn from the capacitor to flow to the radiofrequency component.
Abstract: A circuit for transmitting a RFID signal while conserving the battery power for a circuit in continuous operation is disclosed herein. The circuit includes a RFID component, a microprocessor, an accelerometer and a battery. The battery preferably has no more than 225 milliamp hours of power. The accelerometer is preferably a multiple axis accelerometer. The circuit is preferably utilized with a device for shot tracking.
Abstract: A club shaft that can be installed in a club head permanently or can be installed in clubs with interchangeable shaft features is disclosed herein. The invention is a measurement system that enables the capturing of the speed and motion of the golfer's swing. The invention uses magnetic material positioned on a face of a golf club head and an array of magnetic sensors.
Abstract: A golf club including a club head and an interchangeable shaft is disclosed herein. A connection assembly (44) comprises a sleeve insert (47), a hosel sleeve (48), a hosel tube (46), a ring mechanism (48) and a guide ring (49).
Abstract: A device for tracking a golfer's shot during a round of golf wherein the device comprises a housing composed of a polymer material, the housing having a main body and a projection body extending from the main body, the projection body having a length ranging from 1 mm to 5 mm and a diameter ranging from 20 mm to 25 mm, a battery, a microprocessor and an accelerometer. The accelerometer is preferably a multiple axis accelerometer. The circuit is preferably utilized with a device for shot tracking.
Abstract: The present invention relates to shot tracking. More specifically, the present invention relates to a method and system for tracking shots of a golfer during a round of golf. One aspect of the present invention is a system for automatically tracking a golf club swung by a golfer. The system comprises a plurality of golf clubs. Each of the plurality of golf clubs comprises a device attached to a grip which is attached to a shaft which is attached to a golf club head. The device comprises a power source, a shock switch and a RFID component.
Abstract: A golf club head having a multiple material face is disclosed herein. The golf club head has a coefficient of restitution value greater than 0.83 and a characteristic time value of less than 257 milliseconds. The golf club head is preferably composed of a titanium alloy with a polymer layer disposed over a titanium alloy front wall. A preferred polymer is a polyurethane polymer.
Type:
Grant
Filed:
January 12, 2010
Date of Patent:
February 1, 2011
Assignee:
Callaway Golf Company
Inventors:
Steven M. Ehlers, John B. Kosmatka, Anthony V. Nigro, Matthew J. Erickson
Abstract: A golf ball component, such as a golf ball cover layer, formed from a high or increased melt index thermoplastic polyurethane, polyurea or polyurethane/polyurea is disclosed. The cover layer may be relatively thin (i.e., 0.075 or less, preferably 0.050 inches or less, more preferably less than 0.040 inches, even more preferably less than 0.030 inches). In addition, an operation in which the outer cover is exposed to an isocyanate solution is described to improve certain physical properties of the resulting golf ball.
Type:
Grant
Filed:
December 11, 2009
Date of Patent:
January 11, 2011
Assignee:
Callaway Golf Company
Inventors:
Gary Matroni, Thomas J. Kennedy, III, Michael J. Tzivanis, Mark L. Binette, David M. Melanson
Abstract: A device to improve the feedback to the golfer relative to the rotation of the club head and thus provide valuable feedback to the golfer on the rate and timing of the club head rotation to golf ball impact is disclosed herein. The device is a training and practice aid to accomplish such auditory feedback.