WO2000062945A1 - Dispositif de generation de vibrations et mecanisme d'alimentation associe - Google Patents
Dispositif de generation de vibrations et mecanisme d'alimentation associe Download PDFInfo
- Publication number
- WO2000062945A1 WO2000062945A1 PCT/JP2000/002446 JP0002446W WO0062945A1 WO 2000062945 A1 WO2000062945 A1 WO 2000062945A1 JP 0002446 W JP0002446 W JP 0002446W WO 0062945 A1 WO0062945 A1 WO 0062945A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power supply
- vibration
- terminal
- actuator
- diaphragm
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000009191 jumping Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 210000001015 abdomen Anatomy 0.000 claims 5
- 230000001846 repelling effect Effects 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 7
- 239000004020 conductor Substances 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000005476 soldering Methods 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004697 Polyetherimide Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
- B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/22—Mountings; Casings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/07—Suspension between moving magnetic core and housing
Definitions
- the present invention is a call notification means for notifying a call at the time of signal arrival by any of a buzzer sound, voice, and vibration, and is mounted on a portable electronic device such as a portable telephone or the like.
- the present invention relates to an improvement of a vibration actuator and a power supply mechanism thereof.
- a vibration actuator mounted on a portable electronic device a coil for applying a current, a diaphragm for supporting and fixing the coil on one side, a magnet for forming a magnetic circuit, and a magnet for forming the magnetic circuit.
- a magnetic yoke for holding the net and a diaphragm for supporting the magnetic yoke are provided. The magnetic gap is fixed between the coil and the magnetic yoke and the diaphragm is fixed in the frame of the housing at the edge.
- the diaphragm is fixed at the end in the frame of the housing, and the cover that covers the assembly side of the diaphragm is fitted and fixed to the housing, and the effect of the current applied to the coil and the magnetic field of the magnet is reduced. Therefore, the vibration is generated from the diaphragm at low frequencies, and the resonance is generated from the diaphragm at high frequencies.
- This type of vibration actuator is required to have a high impact resistance that does not break even if dropped by the user, and in order to impart the impact resistance, the magnetic yoke is likely to shake significantly due to impact. Even so, there is provided a protrusion projecting inward from the wall of the housing as a stopper against which the magnetic yoke contacts.
- the vibration actuator is relatively thick because it is necessary to secure the weight required for the operation of the diaphragm as a magnetic yoke, because it suppresses the frame diameter of the housing from becoming wider by the amount of the projections. Stuff It is attached. For this reason, there is a limit to assembling the actuator into a thin one as a whole.
- a flexible code is used as a wiring for applying a current to the coil, thereby connecting the power supply portion of the circuit board to the coil. Even when the connection is made, the load accompanying the vibration during operation is applied to the connection end of the lead wire, and there is a possibility that the flexible cord may be disconnected at the connection end.
- the vibrating actuator has a wider use as a product by changing its acoustic characteristics even in the same frequency band. Disclosure of the invention
- the present invention provides a coil for applying a current, a diaphragm for supporting and fixing the coil on one side, a magnet for forming a magnetic circuit, a magnetic yoke for holding the magnet, and a vibration for supporting the magnetic yoke.
- the diaphragm is fixed between the coil and the magnetic yoke, and the diaphragm is fixed in the frame of the housing at the edge, and the diaphragm is fixed in the frame of the housing at the end.
- the purpose of the present invention is to improve the vibration actuator for actuating the diaphragm and the diaphragm by the repulsive action of the bow I between the magnetic force of the coil and the magnetic force of the coil, and to improve the power supply mechanism of the vibration actuator.
- An object of the present invention is to provide a vibration actuator having high impact resistance and capable of making the entire apparatus thin.
- the present invention provides a magnetic yoke having a protruding flange, a vibrating plate for supporting the magnetic yoke with the protruding flange corresponding to a base, and a vibrating plate arranged on the opposite side of the vibrating plate.
- the middle part of the support arm It is provided with a vibration plate which is arranged at a position corresponding to the overhang flange and is applied to the magnetic yoke, and a housing provided with a concave portion for receiving the overhang collar.
- a further object of the present invention is to provide a vibration actuator that prevents the influence of shock or the like applied to the housing from acting on the diaphragm from the cover and prevents generation of abnormal noise due to distortion and deformation of the diaphragm.
- the present invention is configured such that a damper material for vibration control is provided between a vibration plate and a cover.
- Another object of the present invention is to provide a power supply mechanism for a vibration actuator that can reliably establish electrical continuity without causing disconnection or the like due to vibration during operation.
- a protruding piece-shaped energizing terminal is provided on the actuator side, and a conductive member in contact with the energizing terminal is provided as a power supply terminal electrically connected to a power supply portion of the circuit board.
- the present invention provides a vibration actuator which can change the acoustic characteristics as needed even in the same frequency band.
- a cover is provided with a punched hole. Things. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is an exploded perspective view showing each part constituting the vibration actuator according to the first embodiment of the present invention.
- FIG. 2 is a side sectional view showing the vibration actuator.
- FIG. 3 is a plan view showing a magnetic yoke constituting the vibration actuator.
- FIG. 4 is a side view showing a magnetic yoke constituting the vibration actuator.
- FIG. 5 is an extracted perspective view showing an arrangement relationship between a diaphragm and a magnetic yoke constituting the vibration actuator.
- Figure 6 shows the diaphragm and magnetic yoke that constitute the vibration actuator. It is a side view which shows the arrangement relationship of.
- FIG. 7 is a cross-sectional side view showing the same vibration factor at an angle different from that of FIG.
- FIG. 8 is a bottom view showing the vibration factor heater with a cover removed.
- FIG. 9 is a plan view showing another magnetic yoke constituting the vibration actuator.
- FIG. 10 is a side view showing the magnetic yoke of FIG.
- FIG. 11 is a graph showing a frequency waveform obtained by the vibration actuator without a hole in the cover.
- FIG. 12 is a graph showing a frequency waveform obtained by the vibration actuator having a single hole in the cover.
- FIG. 13 is a graph showing a frequency waveform obtained by the vibration actuator having two holes provided in the cover.
- Figure 14 is a graph showing the frequency waveform of the same vibration actuator with three holes provided in the cover.
- FIG. 15 is a graph showing a frequency waveform obtained by the vibration actuator having six holes in the cover.
- FIG. 16 is a graph showing a frequency waveform obtained by the same vibration actuator provided with 12 holes in the cover.
- FIG. 17 is a graph collectively showing frequency waveforms obtained by the same vibration actuators shown in FIGS. 11 to 16.
- FIG. 18 is an exploded perspective view showing each part constituting the vibration actuator according to the second embodiment of the present invention.
- FIG. 19 is a side cross-sectional view showing the assembled vibration actuator of FIG.
- FIG. 20 is a side sectional view showing a vibration actuator provided with another damper material according to the present invention.
- FIG. 21 shows a configuration of a vibration actuator according to Embodiment 3 of the present invention.
- FIG. 3 is an exploded perspective view showing each part to be formed.
- FIG. 22 is a sectional side view showing the vibration actuator shown in FIG. 21 assembled.
- FIG. 23 is a cross-sectional side view showing another damper material and a vibrating actuator provided with a hole outside the damper material.
- FIG. 24 is a side cross-sectional view showing a vibration actuator having a hole inside the inside diameter of the damper material of FIG.
- FIG. 25 is a plan view showing the vibration actuator of the first embodiment or the third embodiment.
- FIG. 26 is a plan view illustrating the vibration actuator according to the second embodiment.
- FIG. 27 is a side view showing a vibration actuator including an example of a power supply mechanism according to the present invention.
- FIG. 28 is a side view showing a vibration actuator provided with another power supply mechanism according to the present invention.
- FIG. 29 is a side view showing a vibration actuator provided with still another power supply mechanism according to the present invention.
- FIG. 30 is a side view showing a vibrating actuator provided with still another power supply mechanism according to the present invention.
- FIG. 31 is a side view showing a vibration actuator provided with still another power supply mechanism according to the present invention.
- FIG. 32 is a side view showing a vibration actuator provided with still another power supply mechanism according to the present invention.
- the vibration actuator shown in FIG. 1 includes a coil 1 for applying current, a diaphragm 2 for supporting and fixing the coil 1, a magnet 3 for forming a magnetic circuit, and a magnetic yoke 4 for holding the magnet 3. And the magnetic yoke 4 And a diaphragm 5 for supporting the components, and these components are assembled in a frame of the housing 6.
- a disk-shaped pole piece 7 laid on the upper side of the magnetic yoke 4, and a magnetic yoke 4 that holds the magnet 3, are provided on the opposite side of the diaphragm 5 via the magnetic yoke 4.
- a metal cover 9 fitted and fixed to the frame edge opposite to the frame edge of the housing 6 to which the diaphragm 2 is fitted and fixed.
- a ring-shaped voice coil in which a high-frequency current or a low-frequency current is selectively applied is provided.
- the coin 1 is supported and fixed to one side of the diaphragm 2 by fitting and attaching the annular surface to a protruding end surface of a convex portion described later.
- the coil 1 has coil ends as lead wires l a and lb and is electrically connected to an external terminal described later.
- the diaphragm 2 is formed from a resin material such as polyether imide (PEI) into a thin, disk-shaped, radially deformable disk.
- PEI polyether imide
- the diaphragm 2 has a convex portion 2 a having a predetermined protruding height for supporting and fixing the coil 1, and an outer peripheral edge 2 b fitted and fixed to a step portion of a housing 6 described later and a radius 2 b.
- a rib 2d that separates the vibrating portion 2c that is deformed only from one another is provided on a concentric circle on the plate surface.
- the magnet 3 has a disk shape.
- the magnet 3 is mounted and fixed inside the magnetic yoke 4 with a disk-shaped pole piece 7 stacked on the upper side.
- the magnetic yoke 4 is formed in a saucer shape having an outer peripheral wall 4a.
- the magnetic shock 4 has a through hole 4b at the bottom center.
- the magnetic yoke 4 is provided with projecting flanges 40, 41, 42 that protrude from the outer peripheral wall 4 a toward the inner surface of the housing 6. ing. As shown in Fig. 3, the overhang flanges 40, 41, and 42 have the same shape as shown in Fig. 3 because of the relationship with the shaping shapes of the vibration plates 5 and 8. In order to keep the entire balance of the work 4 uniform, three are provided at equal intervals in the circumferential direction of the outer peripheral wall 4a.
- the outer peripheral wall 4a is biased toward the side to which the diaphragm 5 is attached. It is provided so as to protrude toward the inner surface of the wall of the housing 6. Also, on the side where the diaphragm 5 is to be assembled, the plate thickness is made thinner at a slope where one half 40a to 42a from the approximate center of the overhanging flanges 40, 41, and 42 protrudes sideways. It is formed.
- the overhanging flanges 40, 41, and 42 keep the weight of the magnetic yoke 4 as a whole as well as the impact-resistant stopper, and reduce the thickness of the magnetic yoke 4 as a whole. Since the magnetic yoke 4 is provided so as to be formed, a thinner magnetic yoke than before can be provided.
- the diaphragm 5 is formed by shaping an alloy of copper and titanium having a spring property or a thin metal plate such as stainless steel.
- the vibrating plate 5 is concentric with the ring-shaped inner ring plate 50 and the base positions 51 a, 52 a, and 53 a at the circumferentially equally spaced edge positions of the inner ring plate 50.
- a plurality of support arms 51b, 52b, 53b extending from the end of the arm that fixes the support arms 51b, 52b, 53b to the inner surface of the wall of the housing 6.
- Pieces 5 1 c, 52 c, 53 c and force are formed.
- a magnetic yoke 4 holding a magnet 3 is applied to the diaphragm 5 and fixed to an inner ring plate 50.
- the magnetic yoke 4 is arranged such that the substantially central positions of the overhanging flanges 40, 41, and 42 are respectively attached to the bases 51a, 52a, and 53a of the diaphragm 5.
- the corresponding half of the slope 40a to 42a is positioned corresponding to the support arm 5 1b 5 2b, 5 3b of the diaphragm 5 from the approximate center position, and the inner race plate 5 of the diaphragm 5 Fix to 0.
- the bases 51a, 5 2 a and 5 3 a are portions that are difficult to bend, and The protruding pieces 51c, 52c, 53c are attached and fixed to the housing 6, and the supporting arms 51b, 52b, 53b are overhanging flanges 40, 41, 4b.
- the diaphragm 5 is flexed by the impact as shown in Fig. 6 (centering on the overhang 41) from the approximate center of 2 to half of the slope 40a to 42a from the center position. Can avoid contact with the overhangs 40, 41, and 42 of the magnetic yoke 4.
- a diaphragm 8 that is disposed on the opposite side via the magnetic yoke 4 is provided.
- This diaphragm 8 is also concentric with the ring-shaped inner ring plate 80 and the bases 81a, 82a, 83a at the circumferentially equally spaced edge positions of the inner ring plate 80.
- the pieces 81c, 82c and 83c are formed in a hollow shape.
- the vibrating plate 8 is provided with a force plate provided on the side of the magnetic yoke 4 which is separated from the overhang flanges 40, 41, and 42, and as shown in FIG. Even if 8 1b, 8 2b, and 8 3b are positioned corresponding to the overhangs 40, 41, and 42 of the magnetic yoke 4, contact with the magnetic yoke 4 can be avoided. As a result, the diaphragms 5, 8 are displaced by the protruding pieces 51c, 52c, 53c, 81c, 82c, 83c at the arm ends, and It can be mounted and fixed on the inner surface of the wall.
- the housing 6 is formed in a circular frame shape from a resin material such as polybutylene terephthalate (PBT). As shown in FIG. 2, a step portion 60 for fitting and fixing the diaphragm 2 at the outer peripheral edge 2b is provided at one edge of the frame of the housing 6. Notch steps 6 1, 5 2 c, 5 3 c, 8 1 c, 8 2 c, 8 3 c are attached to the diaphragms 5, 8 on the inner surface from one edge of the frame. a, 62a and a concave portion 63a (only one is shown) that protrudes while maintaining a gap and receives the protruding ends of the flanges 40, 41, 42 as described later.
- PBT polybutylene terephthalate
- the housing 6 is provided with a metal cover 9 fitted and fixed with an outer peripheral edge 9a to a frame edge opposite to the frame edge on which the diaphragm 2 is fitted and fixed.
- the cover 9 is made of metal, and is fitted and fixed to the outer peripheral edge of the housing 6 to which the diaphragm 2 is fitted and fixed, on the side opposite to one edge of the frame.
- a hole 9b mainly for changing and setting acoustic characteristics due to high frequency is provided on the plate surface.
- the vibration actuator Since the number of the holes 9b is changed, the position is changed according to the number of holes 9b, and the hole diameter is changed, the acoustic characteristics can be appropriately changed and set as required. As a result, it is possible to configure the vibration actuator so that the acoustic characteristics can be appropriately changed and set as needed even in the same frequency band.
- the waveform according to the frequency can be changed even in the same frequency band.
- different waveforms see Fig. 17
- different acoustic characteristics can be emitted in the same frequency band. It can also be used to expand the applications that change the acoustic characteristics of equipment and incorporate them.
- the terminal block 10 is provided on the housing 6 so as to protrude from the outer surface of the frame.
- the terminal block 10 is provided with current-carrying terminals 10a and 10b. It is firmly fixed.
- the magnet 3 is attached to the magnetic yoke 4 and the magnetic yoke 4 holding the magnet 3 is fixed to the inner ring plate 50 of the diaphragm 5 to fix the vibration.
- the plate 8 and the diaphragm 5 are assembled and fixed in the frame of the housing 6 from the open end on the other side in this order.
- diaphragm 8 has cutout steps 61 a, 61 b, 61, in which projecting pieces 81 c, 82 c, 83 c at the ends of the arm are provided in the frame of housing 6. c) and fix it with the protruding pins 64a, 64b, and 64c that fit into the holes provided in the protruding pieces 81c, 82c, and 83c.
- the diaphragm 5 holding the magnetic yoke 4 is also provided with notch steps 6 2 a, 6, in which the projecting pieces 51 c, 52 c, 53 c at the arm ends are provided in the frame of the housing 6. 2b, 62c, and press-fit with protruding pins 65a, 65b, 65c to be inserted into the holes provided in protruding pieces 51c, 52c, 53c. Fix it.
- the coil 1 is supported and fixed by the die diaphragm 2, and is assembled and inserted between the outer peripheral wall 4 a of the magnetic yoke 4 and the pole piece 7 via the magnetic gap G.
- the magnetic yoke 4 is supported by the diaphragm 5, and the protruding flanges 40, 41, and 42 have clearances g1 to g3 at the protruding end sides, and the M sections 63a, 63b, 63c. Accepted inside.
- the recesses 6 3 a, 6 3 b, 6 3 c serve as stoppers for preventing the magnetic yoke 4 from laterally shaking, and a relief for holding down the diameter width of the housing 6. Department. After the diaphragms 5 and 8 have been assembled, the force bar 9 may be fitted and fixed to the open end of the housing 6.
- the vibrating actuator is mounted on a circuit board (not shown) by sandwiching the housing 6 with an elastic body such as rubber. It can be mounted on the outer case of the body. Also, the current-carrying terminals 10 a, 1
- the 0b can be inserted and inserted into the board surface of the circuit board to make circuit connection with related equipment. Since the current-carrying terminals 10a and 10b are firmly fixed to the terminal block 10 in addition to the terminal block 10, they can be reliably connected electrically to the coil 1 or related equipment.
- the diaphragm 2 and the vibrating plates 5, 8 attract the magnetic force of the magnet 3 and the magnetic force of the coil 1 when the high-frequency current or the low-frequency current is applied to the coil 1.
- a portable notification device such as a pager or telephone. It can be mounted on electronic equipment.
- the overhang flanges 40 to 45 may be provided so as to be alternately displaced so as to be close to 1a, 52a, 53a, 81a, 82a, 83a.
- the projecting flanges 43, 44, and 45 project in the direction of the central force, and the halves 43 a, 44 a, and 45 a of the projecting flanges 43, 44, 45 a
- the thickness may be reduced.
- the description has been made based on changing the acoustic characteristics in the high frequency band where the waveforms due to the holes are significantly different, but the present invention is also applicable to changing the vibration characteristics in the low frequency band which changes slightly. it can.
- the hole 9 b is provided in the cover 9, not only the acoustic characteristics but also the vibrating body composed of the two vibrating plates 5 and 8 including the magnetic yoke 4 due to the pressure caused by dropping etc. Things like jumping out Can also prevent.
- Embodiment 2 of the present invention will be described with reference to FIGS. 18, 19 and 20.
- FIG. In the description, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description is omitted.
- a damper member 11 for vibration control located between the vibration bar 5 and the vibration bar 5 as shown in FIG. It is provided by doing so.
- the damper material 11 includes a disk-shaped main body plate 11 a having a predetermined thickness, and a plurality of protrusions 11 rising from the main body plate 11 a toward the diaphragm 5.
- a rubber or sponge-like elastic plate made of b is provided.
- the elastic plate 11 is attached and fixed by attaching the main body plate portion 11a to a concave portion provided on the inner bottom surface of the force bar 9 '.
- the mounting side of the cover 9 ′ is mounted close to the housing wall of the device main body and is assembled inside the housing, thereby enabling a portable electronic device such as a pager or a mobile phone. Can be mounted on equipment.
- the impact can be absorbed by the damper member 11 made of a rubber or sponge-like elastic plate provided on the cover 9 ′.
- the influence of the impact or the like on the diaphragm 5 can be suppressed.
- the diaphragm 5 can be prevented from being deformed and distorted because it hits the projection 1 lb of the elastic plate 11. Thereby, generation of abnormal noise due to abnormal vibration of the diaphragm 5 or the like can be prevented.
- a coil spring 11 ' can be provided as a damper material as shown in FIG.
- the coil spring 1 1 ′ is vibrated from the cover 9 ′ by fitting the lower helical portion into a recess provided on the inner bottom surface of the cover 9 ′.
- the diaphragm 5 is assembled so as to be in contact with the plate 5 and to support the diaphragm 5 from below.
- the coil spring 11 ' can also absorb the impact force applied to the housing of the device. For this reason, the influence of the impact or the like on the diaphragm 5 can be suppressed, and the diaphragm 5 can be prevented from being bent to a large extent.
- the coil spring 11 ′ it is preferable to provide a spiral shape whose diameter decreases from the cover 9 ′ toward the diaphragm 5, so that the impact force applied to the housing of the device main body can be reduced.
- the large-diameter helical side absorbs and reliably suppresses the vibration to the diaphragm 5, and the diaphragm 5 can be stably supported on the small-diameter helical side, so that the diaphragm 5 can be reliably prevented from being deformed and deformed. .
- a damper material 11 for vibration control which is located between the cover 9 "and the vibration plate 5 as shown in FIG.
- a hole 9b for changing and setting the acoustic characteristics by high frequency is provided outside the damper material 11 on the plate surface.
- the hole diameter and the position are the same as in the first embodiment.
- Cover 1 see Fig. 12
- 2 see Fig. 13
- 3 see Fig. 14
- 6 see Fig. 15
- 12 see Fig. 16
- a coil spring may be used as the damper material.
- the acoustic characteristics are the same as those in the first embodiment. is there.
- the position where the hole 9b is provided is outside the coil spring 11 'as shown in Fig. 23, or the inside diameter of coil spring 11' as shown in Fig. 24.
- a predetermined number may be provided inside and outside the inside diameter of the coil spring 11 'by combining FIG. 23 and FIG. 24.
- the present invention can be applied to change the vibration characteristics of a low-frequency band that slightly changes.
- the hole 9b is provided in the cover 9 ", not only the acoustic characteristics, but also the vibrating body composed of the two vibrating plates 5, 8 including the magnetic yoke 4 by the pressure due to the fall etc. Needless to say, it prevents jumping out and other situations.
- this embodiment can expand the use of the vibration actuator wider than that of the first or second embodiment. (Example 4)
- Embodiment 4 A power supply mechanism for a vibration actuator, which is Embodiment 4 of the present invention, will be described below with reference to FIGS.
- the same parts as those in the first to third embodiments are denoted by the same reference numerals, and the description is omitted.
- the vibration actuator of the first or third embodiment is shown in FIG. 25, and the vibration actuator of the second embodiment is shown in FIG. 26 (hereinafter referred to as the vibration actuator A).
- Protruding strip-shaped energizing terminals 10a and 10b projecting outward from the part are provided for ten and one poles.
- the current-carrying terminals 10a and 10b are formed by bending a metal plate having good conductivity, and include a terminal block 10 made of an insulating resin provided on the side of the housing 6. It is installed so that it is electrically connected to the coil end of Coinole 1.
- the vibrating actuator A is mounted on the circuit board P as shown in FIGS. 27 to 32, and has a housing (not shown) in various devices such as a pager and a mobile phone. ) Is installed inside.
- the power supply section 12 of the main body of the device is individually provided on the circuit board P by means of a land portion of a conductive pattern or the like for ten and one poles.
- the power supply terminals electrically connected to the power supply section 12 of the circuit board P are also provided separately by insulating the positive and negative poles from each other.
- the power supply terminal is constituted by a conductive panel member which is in contact with the current-carrying terminals 10a and 10b of the vibration actuator A and which can be elastically deflected by the vibration of the vibration actuator A. .
- a panel member constituting the power supply terminal only one side of the ten-pole and one-pole is shown below, but a common structure for the + and one-pole is provided insulated from each other.
- Specific examples include one that is installed from the power supply section 12 of the circuit board P as shown in Fig. 27 to Fig. 31 and one that is installed and attached to the vibration actuator A as shown in Fig. 32 There is.
- the power supply terminal shown in Fig. 27 rises from the power supply section 12 of the circuit board P, and the one spring end 13a is connected to the power supply terminal 10a of the vibration actuator A.
- the coil spring 13 can be mounted on the board surface of the circuit board P by electrically connecting the other spring end 13b to the power supply section 12 by soldering, welding, or the like.
- the power supply terminal shown in FIG. 28 is constituted by an arc-shaped plate panel 14 whose vertex 14 a is in contact with the current-carrying terminal 10 a (10 b) of the vibration actuator A.
- the leaf spring 14 is embedded and held by an insulating resin terminal block 14 b provided on the board surface of the circuit board P at each panel end, and is connected to the power supply section 12 of the circuit board P via the terminal block 14 b. It can be connected electrically.
- the power supply terminal shown in Fig. 29 is composed of a U-shaped panel panel 15 whose one spring end 15a is in contact with the current-carrying terminal 10a (10b) of the vibration actuator A. .
- the panel panel 15 can be mounted on the board surface of the circuit board P by fixing the other panel end 15b to the power supply section 12 of the circuit board P by soldering or welding.
- the leaf spring 15 may be provided with a contact 15c that bends the plate surface into a bead shape and contacts the current-carrying terminal 10a (10b).
- the power supply terminal shown in FIG. 30 is constituted by a resiliently biasable projection 16 having a protruding end 16 a abutting on a current-carrying terminal 10 a (10 b) of the vibration actuator A.
- the projection 16 is held by a holder 16b rising from the power supply portion 12 of the circuit board P, and is supported by a coil spring 16c housed inside the holder 16b so as to be elastically biased. Can be installed on the surface of the circuit board P.
- the power supply terminal shown in Fig. 31 consists of a double U-shaped leaf spring 17 that holds the current-carrying terminal 10a (10b) of the vibration actuator A at the spring ends 17a and 17b. Have been.
- each U-shape can be continuously bent at the bases 17 c and 17 d, and the bases 17 c and 17 d can be bent continuously.
- 17d By fixing 17d to the power supply section 12 of the circuit board P by soldering or welding, it can be installed on the board surface of the circuit board P.
- the leaf spring 18 is made of an insulating resin holder 19 which is fitted and fixed to the side of the housing 6 by holding the terminal block 10 including the energizing terminals 10 a and 10 b. It is inserted and held.
- the panel panel 18 cuts and bends a protruding piece 18 c that regulates the insertion position of the holder 19, and also bends the plate surface to form a current-carrying terminal 10 a (10 b). It is preferable to provide a contact l 8 d for contacting with the power supply unit 12, and a contact 18 e for contacting with the power supply unit 12.
- the power supply terminal is constituted by conductive spring members 13 to 18 that can be elastically biased with the vibration of the vibration actuator A.
- the spring members 13 to 18 have a simple configuration and do not cause a problem such as disconnection. Even if the energizing terminal 10a (10b) slightly moves up and down with the vibration of the vibration actuator A, it is elastically displaced. As a result, the contact with the power supply terminal 12 of the circuit board P can be maintained while maintaining the contact with the power supply terminal 10a (10b), and the electrical continuity with the power supply terminal 10a (10b) can be maintained. Can be taken reliably.
- the vibrating actuator according to the present invention is useful as a call notification means mounted on a portable electronic device such as a pager or a mobile phone, and its power supply mechanism is reliable. Suitable for proper electrical continuity.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000612073A JP4899076B2 (ja) | 1999-04-16 | 2000-04-14 | 振動アクチュエータ及びその給電機構 |
KR10-2001-7013153A KR100412333B1 (ko) | 1999-04-16 | 2000-04-14 | 진동 액츄에이터 및 그 급전 기구 |
EP00917311.3A EP1186352B1 (en) | 1999-04-16 | 2000-04-14 | Vibrating actuator and feeding mechanism thereof |
US09/958,756 US6753630B1 (en) | 1999-04-16 | 2000-04-14 | Vibrating actuator and feeding mechanism thereof |
US10/653,890 US6954016B2 (en) | 1999-04-16 | 2003-09-04 | Vibrating actuator and a power supply mechanism thereof |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10884799 | 1999-04-16 | ||
JP11/108847 | 1999-04-16 | ||
JP24572999 | 1999-08-31 | ||
JP11/245729 | 1999-08-31 | ||
JP11/245730 | 1999-08-31 | ||
JP24573099 | 1999-08-31 | ||
JP11/253857 | 1999-09-08 | ||
JP25385799 | 1999-09-08 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09958756 A-371-Of-International | 2000-04-14 | ||
US09/958,756 A-371-Of-International US6753630B1 (en) | 1999-04-16 | 2000-04-14 | Vibrating actuator and feeding mechanism thereof |
US10/653,890 Division US6954016B2 (en) | 1999-04-16 | 2003-09-04 | Vibrating actuator and a power supply mechanism thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000062945A1 true WO2000062945A1 (fr) | 2000-10-26 |
Family
ID=27469672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/002446 WO2000062945A1 (fr) | 1999-04-16 | 2000-04-14 | Dispositif de generation de vibrations et mecanisme d'alimentation associe |
Country Status (6)
Country | Link |
---|---|
US (2) | US6753630B1 (ja) |
EP (2) | EP1186352B1 (ja) |
JP (1) | JP4899076B2 (ja) |
KR (1) | KR100412333B1 (ja) |
CN (2) | CN1177653C (ja) |
WO (1) | WO2000062945A1 (ja) |
Cited By (5)
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US7609148B2 (en) | 2005-10-06 | 2009-10-27 | Sony Corporation | Actuator, touch panel display device, electronic apparatus |
CN103212531A (zh) * | 2013-04-12 | 2013-07-24 | 吕颖智 | 膜式电磁激振器 |
JP2015126673A (ja) * | 2013-12-27 | 2015-07-06 | 日本電産コパル株式会社 | 振動アクチュエータ、および携帯情報端末 |
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- 2000-04-14 EP EP00917311.3A patent/EP1186352B1/en not_active Expired - Lifetime
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- 2000-04-14 JP JP2000612073A patent/JP4899076B2/ja not_active Expired - Fee Related
- 2000-04-14 WO PCT/JP2000/002446 patent/WO2000062945A1/ja active Application Filing
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002191092A (ja) * | 2000-12-22 | 2002-07-05 | Namiki Precision Jewel Co Ltd | 多機能型発音体と携帯端末機 |
JP4565130B2 (ja) * | 2000-12-22 | 2010-10-20 | 並木精密宝石株式会社 | 多機能型発音体と携帯端末機 |
JP2006175433A (ja) * | 2004-12-22 | 2006-07-06 | Eta Sa Manufacture Horlogere Suisse | 携帯用品用の機械的衝撃保護手段が設けられた震動装置 |
US7609148B2 (en) | 2005-10-06 | 2009-10-27 | Sony Corporation | Actuator, touch panel display device, electronic apparatus |
CN103212531A (zh) * | 2013-04-12 | 2013-07-24 | 吕颖智 | 膜式电磁激振器 |
JP2015126673A (ja) * | 2013-12-27 | 2015-07-06 | 日本電産コパル株式会社 | 振動アクチュエータ、および携帯情報端末 |
Also Published As
Publication number | Publication date |
---|---|
EP1186352B1 (en) | 2013-06-05 |
CN100490996C (zh) | 2009-05-27 |
EP1862226A3 (en) | 2010-03-31 |
EP1186352A4 (en) | 2007-08-08 |
KR20010111305A (ko) | 2001-12-17 |
EP1862226A2 (en) | 2007-12-05 |
JP4899076B2 (ja) | 2012-03-21 |
CN1177653C (zh) | 2004-12-01 |
CN1349439A (zh) | 2002-05-15 |
KR100412333B1 (ko) | 2003-12-31 |
EP1186352A1 (en) | 2002-03-13 |
US20040119343A1 (en) | 2004-06-24 |
US6954016B2 (en) | 2005-10-11 |
US6753630B1 (en) | 2004-06-22 |
CN1640558A (zh) | 2005-07-20 |
EP1862226B1 (en) | 2013-06-05 |
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