Coil bobbin for a balanced armature receiver
AssigneeKnowles Electronics, LLC
InventorsRichard Scheleski, Yahui Zhang, Matthew Manley
Life of this patent
Estimating the term…
Abstract
Coil bobbins for balanced armature receivers are disclosed. The balanced armature receiver bobbin includes a coil support member, at least two flanges, and a shoulder. The coil support member has an armature passage extending between a first end and a second end thereof. The flanges extending radially from the coil support member such that the first flange extends from the coil support member proximate the first end and the second flange extends from the coil support member proximate the second end. The shoulder extends from the first flange, with the first flange located between the shoulder and the coil support member. The shoulder has a plurality of conductive coil pads disposed on a bottom portion thereof.
Claims19
A balanced armature receiver bobbin comprising:
- a coil support member having an armature passage extending between a first end and a second end thereof;
- at least a first flange and a second flange extending from the coil support member, the first flange extending from the coil support member proximate the first end and the second flange extending from the coil support member proximate the second end;
- and
- a shoulder extending from the first flange, with the first flange located between the shoulder and the coil support member, the shoulder having a plurality of conductive coil pads disposed on a bottom portion thereof.
A balanced armature receiver comprising:
- a housing having a sound port;
- a diaphragm disposed in the housing and separating the housing into a back volume and a front volume acoustically coupled to the sound port;
- a bobbin disposed in the back volume and fastened to a wall portion of the housing, the bobbin including a coil support member having a first flange spaced apart from a second flange, a shoulder extending from the coil support member, the shoulder having a bottom portion recessed relative to an outer portion of the first flange, and a plurality of conductive coil pads disposed on the bottom portion of the shoulder;
- a coil disposed about the coil support member of the bobbin between the first flange and the second flange, the coil having two wire portions extending along a recess in the first flange and electrically coupled to corresponding conductive coil pads;
- and
- a yoke disposed in the back volume adjacent the bobbin;
- an armature extending through an armature passage of the bobbin and having a movable portion disposed in a gap between magnets retained by the yoke;
- and a link connecting the movable portion of the armature to the diaphragm.
Dependencies are inferred from the claim text.