Linear Vibrator

Patent metadata

Field	Value
Publication number	US-2016105089-A1
Application number	US-201314889262-A
Country	US
Kind code	A1
Filing date	May 9, 2013
Priority date	May 9, 2013
Publication date	Apr 14, 2016
Grant date	—

Abstract

An apparatus comprising: a resonance module located within a resonator frame, the resonance module comprising at least two integrated conductive suspension parts, the at least two integrated conductive suspension parts being configured to couple the resonance module to the frame, and further configured to provide a current through the resonance module, wherein the at least two integrated conductive suspension parts enable the resonance module to resonate.

First claim

1 - 20 . (canceled)

21 . An apparatus comprising:
a resonance module located within a resonator frame, the resonance module comprising at least two conductive suspension parts, the at least two conductive suspension parts being configured to:
couple the resonance module to the resonator frame; and
provide a current through the resonance module, wherein the at least two conductive suspension parts enable the resonance module to resonate.

22 . The apparatus as claimed in claim 21 , wherein the at least two conductive suspension parts are configured to be mechanically resilient in at least a direction substantially perpendicular to the direction of the current such that the resonance module is configured to have a static resting position.

23 . The apparatus as claimed in claim 21 , wherein the resonance module is a unitary body.

24 . The apparatus as claimed in claim 21 , wherein the resonance module comprises at least a conductive part wherein a weight of the at least the conductive part is a resonance weight.

25 . The apparatus as claimed in claim 21 , further comprising a conductive coil wrapped around the resonator frame and configured to generate a magnetic field in a first direction within the resonator frame when an alternating current passes through the conductive coil.

26 . The apparatus as claimed in claim 25 , wherein the alternating current passes through the resonance module in a second direction, the second direction at least partially perpendicular to the first direction.

27 . The apparatus as claimed in claim 26 , wherein the at least two conductive suspension parts are mechanically resilient in a third direction substantially perpendicular to the first and the second directions such that the resonance module is configured to resonate in the third direction based on the interaction of the magnetic field in the first direction and the second direction.

28 . The apparatus as claimed in claim 21 , wherein the resonator frame comprises at least two connectors configured to couple the at least two conductive suspension parts to a peripheral frame element.

29 . The apparatus as claimed in claim 21 , further comprising:
a series resistor; a switch; and a direct current voltage supply coupled via the series resistor and the switch in series to the at least two suspension parts to provide an intermittent current to drive the resonance module to resonate.

30 . The apparatus as claimed in claim 25 , further comprising a surround configured to partially surround and mechanically protect the resonance module, wherein the surround comprises:
an open box casing to substantially enclose the resonance module; and a printed wiring board box lid.

31 . The apparatus as claimed in claim 30 , wherein the printed wiring board box lid comprises at least two conductive pads, and the at least two conductive pads are coupled to the at least two conductive suspension parts to drive the resonance module.

32 . The apparatus as claimed in claim 30 , wherein the printed wiring board box lid comprises the conductive coil wrapped around the resonator frame configured to generate a magnetic field within the resonator frame when an alternating current passes through the conductive coil.

33 . The apparatus as claimed in claim 21 , wherein the resonance module comprises a resonance weight coupled to the resonance frame by the at least two conductive suspension parts in such a way that the resonance weight and the at least two conductive suspension parts are joined together.

34 . The apparatus as claimed in claim 33 , wherein the resonance weight and the at least two conductive suspension parts are formed as one component.

35 . The apparatus as claimed in claim 33 , wherein the at least two conductive suspension parts are formed from a different material comparing to a material of the resonance weight.

36 . A method comprising:
providing a resonance module located within a resonator frame, the resonance module comprising at least two conductive suspension parts; coupling the at least two integrated conductive suspension parts to the resonance frame; and providing a current through the resonance module, wherein the at least two conductive suspension parts enable the resonance module to resonate.

37 . The method as claimed in claim 36 , wherein the method comprises providing the at least two conductive suspension parts as mechanically resilient and in at least a direction substantially perpendicular to the direction of the current such that the resonance module has a static resting position.

38 . The method as claimed in claim 36 , wherein providing the at least two conductive suspension parts comprises mechanically coupling the resonance module to the resonance frame.

39 . The method as claimed in claim 36 , the method further comprising generating a magnetic field in a first direction within the resonance frame when an alternating current passes through a conductive coil wrapped around the resonator frame, wherein the current passes through the resonance module in a second direction, the second direction at least partially perpendicular to the first direction.

40 . The method as claimed in claim 39 , wherein the at least two conductive suspension parts are mechanically resilient in a third direction substantially perpendicular to the first and the second directions, the method further comprising resonating the resonance module in the third direction based on the interaction of the magnetic field in the first direction and the second direction.

Assignees

• Nokia Corp

Inventors

• Shi Shengrong
• Yang Yuanjia

Classifications

• H02K15/02

  of stator or rotor bodies · CPC title

• H02K33/02 Primary

  with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs · CPC title

• H02K33/00

  Motors with reciprocating, oscillating or vibrating magnet, armature or coil system (arrangements for handling mechanical energy structurally associated with motors H02K7/00, e.g. H02K7/06) · CPC title

• H02K33/18 Primary

  with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets · CPC title