Apple has filed for an/or been granted various patents for smart Apple Watch bands and a “smart” ring (Apple Loop?). However, the latest patent filing (number 20220069625) involving a wearable device ...

For an IC building block that came into being at about the same time as the microprocessor in the late 1960s and early 1970s, the “lowly” phase-locked loop has not done too badly. The hidden beauty of ...