Patent ID: 6134188
Filing Date: 2000-10-17
Classification: G04G,G04R,H01Q

Abstract:
A radio-controlled wristwatch comprising a casing, a printed circuit board disposed in the casing, and an antenna disposed in the casing; the antenna including a core, and a coil carried by the core and having a larger cross section then the core; the core comprising a stack of soft-iron strips stacked in a direction parallel to a plane of the circuit board; the core being curved within a plane oriented parallel to the plane of the circuit board and extending along and adjacent to an outer peripheral edge of the circuit board; a recess formed in the circuit board and extending inwardly from the outer peripheral edge of the circuit board, the coil disposed in the recess; the stack of soft-iron strips being embedded within a bonding agent which fixes the shape of the core and bonds the core to the circuit board.