Abstract: A golf club head includes a resilient member extending from a sole of the club head to the crown. The resilient member has a convex, arcuate shape relative to a strike face of the club. The resilient member has a rest state prior to impact with a golf ball, in which the resilient member defines a first chord length, and a deflected state during impact with a golf ball, in which the resilient member defines a second chord length that is greater than the first chord length. The resilient member improves impact response of the strike face to allow strike face thickness to be reduced while maintaining durability of the golf club head.

Abstract: A wood-type golf club head having a normalized impact response across the entire face of the club. Components of the club head can provide structural rigidity to the club head at rest and during low-energy impacts and provide flexure during high-energy impacts.

Abstract: Embodiments of golf club face plates with internal cell lattices are presented herein. Other examples and related methods are also disclosed herein.

Abstract: A wood-type golf club head includes an angled weight assembly with an adjustable weight disposed within a weight channel. The adjustable weight assembly is positioned at an angle relative to a ground plane to reduce and redirect bending of the golf club head at impact. The reduction and redirection of bending decreases and redirects stress applied to the weight channel at impact to reduce resultant oscillations of the weight channel, which in turn reduces support material for the weight assembly and increases discretionary mass.

Abstract: A signal of opportunity (SOP)-aided inertial navigation system (INS) framework provides various technical solutions to technical problems facing GNSS implementations. A mobile receiver, whether handheld or vehicle-mounted, has access to Global Navigation Satellite System (GNSS) signals, multiple unknown terrestrial SOPs, and IMU measurements, which are used to estimate receiver states. When GNSS signals become unreliable, the mobile receiver continues to navigate using the SOP-aided INS. The SOP-aided INS produces bounded estimation errors in the absence of GNSS signals, and the bounds are dependent on the quantity and quality of exploited SOPs.

Abstract: A signal of opportunity (SOP)-aided inertial navigation system (INS) framework provides various technical solutions to technical problems facing GNSS implementations. A mobile receiver, whether handheld or vehicle-mounted, has access to Global Navigation Satellite System (GNSS) signals, multiple unknown terrestrial SOPs, and IMU measurements, which are used to estimate receiver states. When GNSS signals become unreliable, the mobile receiver continues to navigate using the SOP-aided INS. The SOP-aided INS produces bounded estimation errors in the absence of GNSS signals, and the bounds are dependent on the quantity and quality of exploited SOPs.