WO2014073108A1 - センサモジュール - Google Patents
センサモジュール Download PDFInfo
- Publication number
- WO2014073108A1 WO2014073108A1 PCT/JP2012/079264 JP2012079264W WO2014073108A1 WO 2014073108 A1 WO2014073108 A1 WO 2014073108A1 JP 2012079264 W JP2012079264 W JP 2012079264W WO 2014073108 A1 WO2014073108 A1 WO 2014073108A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vibration
- sensor module
- bumper
- fixing member
- control circuit
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
- B60R19/483—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds with obstacle sensors of electric or electronic type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9324—Alternative operation using ultrasonic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93275—Sensor installation details in the bumper area
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
- G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area
Definitions
- the present invention relates to an in-vehicle sensor module that detects an obstacle by transmitting and receiving radio waves or ultrasonic waves.
- the sensor module of the corner sensor is composed of a vibration unit and a control circuit unit. Since the vibration part needs to transmit and receive radio waves or ultrasonic waves outside the vehicle, it needs to be arranged on the vehicle surface.
- a corner sensor is attached to a vehicle, the corner sensor is fixed to the bumper using a resin holder.
- This resin holder has a bezel type (FIG. 22 (a)) that is fitted into a hole formed in a bumper and is fixed by an elastic member or the like, and a bezelless type that is fixed to the back of the bumper by an adhesive member or the like (FIG. 22). 23 (b), for example, see Patent Document 1).
- the bezel-type holder of FIG. 22A is a sensor in which the holder 101 is attached to the sensor module 100 in advance and integrated with the holder 101 from the surface side of the bumper 103 to the hole 104 as shown in FIG.
- the module 100 is inserted.
- the elastic member 102 of the holder 101 fixes the holder 101 to the bumper 103, whereby the sensor module 100 is fixed to the bumper 103.
- This type has an advantage that the sensor module 100 can be inserted from the surface side of the bumper 103 and the assemblability is good.
- the bezel 105 of the holder 101 is exposed on the surface of the bumper 103, there is a demerit that the design is impaired.
- the bezel-less type holder of FIG. 23A first fixes the holder 111 to the back surface of the bumper 113 with the adhesive member 112, and then inserts the sensor module 110 into the holder 111.
- the sensor module 110 passes through the hole 114 of the holder 111 and the bumper 113 and is fixed in a state of being exposed on the surface of the bumper 113.
- This type has an advantage that only the tip portion of the sensor module 110 can be exposed on the surface of the bumper 113, and the vehicle design is not impaired.
- disadvantages include that the holder 111 and the sensor module 110 are separated and the number of parts increases, so that the number of procedures is increased at the time of assembly and the positioning of the holder 111 becomes difficult.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a sensor module that ensures both design and assembly.
- the sensor module of this invention is attached to the outer shell portion of the vehicle so as to face the outside of the vehicle, detects the obstacle, and is separated from the vibration portion and attached to the back side of the outer portion to operate the vibration portion. And a wiring for connecting the vibration unit and the control circuit unit.
- the vibration unit by separating the vibration unit and the control circuit unit, which have been integrated in the past, the weight load of the vibration unit can be reduced, and the degree of freedom in mounting is increased. Therefore, it becomes possible to attach the sensor module by an attachment method that ensures both design and assembly.
- FIG. 16 is a cross-sectional view showing another example of the detailed structure of the vibration part of the sensor module according to Embodiment 7.
- FIG. 10 is a diagram illustrating an example of a sensor module according to a seventh embodiment.
- FIG. 16 is a diagram showing another example of a sensor module according to Embodiment 7.
- FIG. 16 is a diagram showing another example of a sensor module according to Embodiment 7. It is a figure explaining the structure which attaches the conventional sensor module to a vehicle with a bezel type holder. It is a figure explaining the structure which attaches the conventional sensor module to a vehicle with a bezelless type holder.
- the sensor module of the corner sensor includes a vibration unit (sensor element) and a control circuit unit.
- the vibration unit needs to be arranged on the vehicle surface because it needs to transmit and receive radio waves or ultrasonic waves to the outside of the vehicle, but the control circuit unit may be attached anywhere on the vehicle. Therefore, in the present invention, the sensor module attached to the vehicle is realized by separating the vibration section and the control circuit section of the sensor module.
- FIG. 1 is a perspective view showing a configuration of a sensor module 10 according to the first embodiment.
- FIG. 2 is a perspective view showing a state where the sensor module 10 is attached to the vehicle 1, and FIG.
- the sensor module 10 according to the first embodiment includes a vibration unit 11 that detects an obstacle, a control circuit unit 12 that controls the operation of the vibration unit 11, and a wiring 13 that electrically connects the vibration unit 11 and the control circuit unit 12. And a thin plate-like fixing member 14 having adhesiveness and flexibility.
- the vibration unit 11 By separating the vibration unit 11 and the control circuit unit 12 constituting the sensor module, the vibration unit 11 is reduced in weight, and a force is applied when a connector (not shown) attached to the control circuit unit 12 is attached or removed. It becomes unnecessary to consider. Therefore, the weight load of the vibration part 11 can be reduced, the degree of freedom of attachment can be increased, and it can be fixed by a fixing member 14 such as a seal. Furthermore, if the vibration part 11 is integrated with the fixing member 14 at the manufacturing stage, the positioning with respect to the vehicle 1 and the attachment of the vibration part 11 are completed with one touch, and the assembling work described with reference to FIGS. 22 and 23 is unnecessary. As a result, the assemblability is greatly improved.
- the vibration portion 11 is integrated with the fixing member 14 by vibrating the vibration surface 11 a to the bonding surface 14 a of the fixing member 14.
- One surface of the fixing member 14 is an adhesive surface 14a, and the opposite surface is a decorative surface 14b of the same color as the bumper 2.
- the bumper 2 disposed on the front side of the vehicle 1 to which the sensor module 10 is attached is formed with a hole 3 having a size for fitting the vibration portion 11.
- the position is adjusted so that the vibration part 11 enters the hole 3 of the bumper 2, and the bonding surface 14 a of the fixing member 14 integrated with the vibration part 11 is set to the surface of the bumper 2.
- the control circuit unit 12 is attached to the back surface of the bumper 2, and the wiring 13 extending from the vibration unit 11 is connected to the control circuit unit 12.
- the attachment method of the control circuit part 12 to the back surface of the bumper 2 may be arbitrary, for example, an adhesive member is used. Further, the wiring 13 may be connected after the control circuit portion 12 is attached to the back surface of the bumper 2, or the control circuit portion 12 may be attached to the back surface of the bumper 2 after the control circuit portion 12 and the wiring 13 are connected. .
- the sensor module 10 is attached to the bumper 2 of the vehicle 1 so as to face the outside of the vehicle 1 and is separated from the vibration unit 11 and detects the obstacle.
- a control circuit unit 12 that is attached to the back side of the bumper 2 and controls the operation of the vibration unit 11 and a wiring 13 that connects the vibration unit 11 and the control circuit unit 12 are provided.
- the vibration part 11 can be reduced in weight, and it is not necessary to consider the load which attaches a connector not shown to a sensor module, and the freedom degree of attachment can be raised. Therefore, it becomes possible to attach the sensor module 10 by an attachment method that ensures both design and assembly.
- the sensor module 10 includes the thin plate-like fixing member 14 having adhesiveness and flexibility, and the fixing member 14 is integrated with the vibrating portion 11 attached thereto, and the bumper The vibrating portion 11 is fixed to the surface of No. 2. For this reason, attachment of the vibration part 11 is completed by one touch, and an assemblability can be improved compared with the past. Further, when viewed from the surface of the bumper 2, the vibrating portion 11 and the hole 3 of the bumper 2 are completely covered by the fixing member 14 and become invisible. Further, by making the decorative surface 14b of the fixing member 14 the same color as the bumper 2, it is possible to maintain the design so that the sensor module is hardly noticed. Moreover, since components other than the fixing member 14 including the vibration part 11 are not directly exposed on the surface of the bumper 2, it is not necessary to paint the component parts, and the cost can be suppressed.
- FIG. FIG. 4 is a perspective view showing the configuration of the sensor module 10a according to the second embodiment.
- FIG. 5 is a perspective view showing a state where the sensor module 10a is attached to the vehicle 1, and
- FIG. 6 is a sectional view thereof.
- the sensor module 10a according to the second embodiment includes a vibration unit 11, a control circuit unit 12, a wiring 13 that electrically connects the vibration unit 11 and the control circuit unit 12, and a thin plate shape having adhesiveness and flexibility.
- the fixing member 14 is configured.
- the vibration part 11 and the control circuit part 12 constituting the sensor module are separated, and the vibration part 11 is integrated with the fixing member 14 by bonding the surface 14b opposite to the vibration surface 11a to the bonding surface 14a of the fixing member 14. ing.
- One surface of the fixing member 14 is an adhesive surface 14a.
- the vibration surface 11 a is painted in the same color as the bumper 2.
- the wiring 13 passes through the fixing member 14 from the vibration unit 11, is wired to the side that is not the bonding surface 14 a, and is connected to the control circuit unit 12.
- the bumper 2 disposed on the front side of the vehicle 1 to which the sensor module 10a is attached is formed with a hole 3 having a size for fitting the vibration part 11 therein.
- the fixing member 14 is attached to the front surface of the bumper 2.
- the fixing member 14 is attached to the rear surface of the bumper 2.
- the position is adjusted so that the vibration part 11 enters the hole 3 of the bumper 2, and the adhesive surface 14 a of the fixing member 14 integrated with the vibration part 11 is set to the back surface of the bumper 2.
- the control circuit unit 12 is attached to the back surface of the bumper 2.
- the method of attaching the control circuit unit 12 to the back surface of the bumper 2 may be arbitrary. For example, an adhesive member is used.
- the vibration part 11 of the sensor module 10a is disposed in the hole 3 penetrating the bumper 2, and the fixing member 14 is attached to the back surface of the bumper 2 so that the hole 3 and the vibration The part 11 was configured to be covered. Therefore, when viewed from the surface of the bumper 2, the vibration surface 11a exposed from the hole 3 and the surface of the bumper 2 are approximately flush with each other, and at least the same design as the conventional bezelless type (shown in FIG. 23) is obtained. It can be secured. Since the fixing member 14 is already integrated with the vibrating part 11, the component configuration is slightly simpler than the conventional bezelless type, and there is no procedure for attaching the holder before the sensor module, so this embodiment is more than the bezelless type.
- Form 2 can be positioned more easily and the number of assembly steps can be reduced. Further, since the fixing member 14 is not exposed on the surface of the bumper 2, it is not necessary to make the fixing member 14 the same color as the bumper. Instead, since the vibration surface 11a of the vibration part 11 is directly exposed on the surface of the bumper 2, it is necessary to paint the vibration surface 11a in the same color as the bumper 2 as necessary.
- FIG. 7 is a perspective view showing the configuration of the sensor module 10b according to the third embodiment.
- FIG. 8 is a perspective view showing a state where the sensor module 10b is attached to the vehicle 1, and
- FIG. 9 is a sectional view thereof.
- the sensor module 10b according to the third embodiment includes a vibration unit 11, a control circuit unit 12, a wiring 13 that electrically connects the vibration unit 11 and the control circuit unit 12, and a thin plate shape having adhesiveness and flexibility.
- the fixing member 14 is configured.
- the vibration part 11 and the control circuit part 12 constituting the sensor module are separated, and the vibration part 11 is integrated with the fixing member 14 with its vibration surface 11a bonded to the bonding surface 14a of the fixing member 14.
- One surface of the fixing member 14 is an adhesive surface 14a, and the opposite surface is a decorative surface 14b of the same color as the bumper 2.
- the bumper 2 disposed on the front side of the vehicle 1 to which the sensor module 10b is attached has a hole 4 having a size through which the wiring 13 passes. That is, the diameter of the hole 4 may be smaller than the diameter of the hole 3 in FIG.
- the vibration part 11 is fitted into the hole of the bumper 2, but in the third embodiment, the vibration part 11 is attached to the surface of the bumper 2.
- the vibration part 11 is arranged on the surface of the bumper 2, and the wiring 13 is passed through the hole 4 to the back side of the bumper 2 so that the vibration part 11 is covered. 14 is attached to the surface of the bumper 2.
- the control circuit unit 12 is attached to the back surface of the bumper 2, and the wiring 13 extending from the vibration unit 11 is connected to the control circuit unit 12.
- the attachment method of the control circuit part 12 to the back surface of the bumper 2 may be arbitrary, for example, an adhesive member is used. Further, the wiring 13 may be connected after the control circuit portion 12 is attached to the back surface of the bumper 2, or the control circuit portion 12 may be attached to the back surface of the bumper 2 after the control circuit portion 12 and the wiring 13 are connected. .
- the vibration part 11 of the sensor module 10b is arranged on the surface of the bumper 2, and the wiring 13 passes through the hole 4 penetrating the bumper 2 and the vibration part 11 on the front side of the bumper 2.
- the control circuit part 12 on the back side are connected to each other, and the fixing member 14 is attached to the surface of the bumper 2 so as to cover the hole 4 and the vibration part 11. For this reason, there is no need to make a large hole in the bumper 2. Further, when viewed from the surface of the bumper 2, the vibrating portion 11 and the hole 4 of the bumper 2 are completely covered by the fixing member 14 and become invisible.
- the decorative surface 14b of the fixing member 14 is made the same color as the bumper 2, and the design can be maintained so that the vibration part 11 is not so conspicuous. Moreover, since components other than the fixing member 14 including the vibration part 11 are not directly exposed on the surface of the bumper 2, it is not necessary to paint the component parts, and the cost can be suppressed.
- FIG. 10 is a perspective view showing the configuration of the sensor module 10c according to the fourth embodiment.
- FIG. 11 is a perspective view showing a state in which the sensor module 10c is attached to the vehicle 1, and FIG.
- the sensor module 10c according to the fourth embodiment includes the vibration unit 11, the control circuit unit 12, the pins 15 and 16 that electrically connect the vibration unit 11 and the control circuit unit 12, and adhesiveness and flexibility. It is composed of a thin plate-like fixing member 14.
- the vibration part 11 and the control circuit part 12 constituting the sensor module are separated, and the vibration part 11 is integrated with the fixing member 14 with its vibration surface 11a bonded to the bonding surface 14a of the fixing member 14.
- One surface of the fixing member 14 is an adhesive surface 14a, and the opposite surface is a decorative surface 14b of the same color as the bumper 2.
- the pins 15 and 16 protrude from a surface 11b opposite to the vibration surface 11a of the vibration unit 11, and each tip portion is inserted into the control circuit unit 12 to be electrically connected. Although illustration is omitted, the pins 15 and 16 or the control circuit unit 12 are provided with a stopper so that the pins 15 and 16 do not come out of the control circuit unit 12.
- the bumpers 2 arranged on the front side of the vehicle 1 to which the sensor module 10c is attached are formed with holes 5 and 6 having a size through which the pins 15 and 16 pass, respectively. That is, the diameters of the holes 5 and 6 may be smaller than the diameter of the hole 3 in FIG.
- the vibration part 11 is arranged on the surface of the bumper 2, and the pins 15 and 16 are passed through the holes 5 and 6 to the back side of the bumper 2 to cover the vibration part 11.
- the fixing member 14 is attached to the surface of the bumper 2.
- the tip portions of the pins 15 and 16 protruding from the back surface of the bumper 2 are inserted and connected to the control circuit unit 12, and the bumper 2 is sandwiched between the vibration unit 11 and the control circuit unit 12 and fixed.
- the control circuit unit 12 of the sensor module 10c is disposed at a position where the bumper 2 is sandwiched from the front and back by the vibration unit 11 and the control circuit unit 12, and is connected by the pins 15 and 16. I made the configuration. For this reason, there is no need to make a large hole in the bumper 2. Further, when viewed from the surface of the bumper 2, the vibrating portion 11 and the holes 5 and 6 of the bumper 2 are completely covered by the fixing member 14 and become invisible. However, although a protrusion corresponding to the vibration part 11 appears on the surface of the bumper 2, it does not stand out so much if the thickness of the vibration part 11 is sufficiently thin.
- the decorative surface 14b of the fixing member 14 is made the same color as the bumper 2, and the design can be maintained so that the vibration part 11 is not so conspicuous. Moreover, since components other than the fixing member 14 including the vibration part 11 are not directly exposed on the surface of the bumper 2, it is not necessary to paint the component parts, and the cost can be suppressed.
- the wiring (with respect to disconnection or the like) is more reliable than the wiring 13 as in the first to third embodiments. It is high and has a feature that the sensor module is fixed more firmly. In the case of FIG. 12, the control circuit unit 12 is held by preventing the pins 15 and 16 from coming off. However, even if the control circuit unit 12 is bonded to the back surface of the bumper 2, for example, it can be fixed more firmly. Good.
- FIG. 13 is a perspective view illustrating a configuration of a sensor module 10d according to the fifth embodiment.
- FIG. 14 is a perspective view showing a state where the sensor module 10d is attached to the vehicle 1, and
- FIG. 15 is a sectional view thereof.
- the sensor module 10d according to the fifth embodiment includes the vibration unit 11, the control circuit unit 12, the pins 15 and 16 that electrically connect the vibration unit 11 and the control circuit unit 12, and adhesiveness and flexibility.
- the plate-shaped fixing member 14 is configured.
- the vibration unit 11 and the control circuit unit 12 constituting the sensor module are separated, and the vibration unit 11 is integrated with the fixing member 14 by bonding the surface 11b opposite to the vibration surface 11a to the bonding surface 14a of the fixing member 14. ing.
- One surface of the fixing member 14 is an adhesive surface 14a.
- the vibration surface 11 a is painted in the same color as the bumper 2.
- the pins 15 and 16 protrude from the surface 11 b opposite to the vibration surface 11 a of the vibration unit 11, pass through the fixing member 14, and are wired to the side that is not the bonding surface 14 a, and each tip is inserted into the control circuit unit 12. Electrically connected. Although illustration is omitted, the pins 15 and 16 or the control circuit unit 12 are provided with a stopper so that the pins 15 and 16 do not come out of the control circuit unit 12.
- the sensor module 10d is integrated in a state where the vibration unit 11 and the control circuit unit 12 sandwich the fixing member 14.
- the fixing member 14 is made of a thick member.
- the fixing member 14 is made of a thick seal having adhesiveness and flexibility, a plastic plate having adhesiveness, and the like.
- the bumper 2 disposed on the front side of the vehicle 1 to which the sensor module 10d is attached is provided with a hole 3 having a size for fitting the vibration part 11 therein.
- the position is adjusted so that the vibrating portion 11 enters the hole 3 of the bumper 2, and the adhesive surface 14 a of the fixing member 14 integrated with the vibrating portion 11 is attached to the back surface of the bumper 2. wear.
- the vibration part 11 of the sensor module 10d is disposed in the hole 3 penetrating the bumper 2, and the fixing member 14 is formed from the front and back by the vibration part 11 and the control circuit part 12. It is sandwiched and is attached to the back surface of the bumper 2 so as to cover the hole 3 and the vibration part 11. Therefore, when viewed from the surface of the bumper 2, the vibration surface 11a exposed from the hole 3 and the surface of the bumper 2 are approximately flush with each other, and at least the same design as the conventional bezelless type (shown in FIG. 23) is obtained. It can be secured.
- the vibration part 11, the control circuit part 12, the fixing member 14, and the pins 15 and 16 are all integrated, the assembling work only needs to stick the fixing member 14, and the assembling property is very high. Further, since the fixing member 14 is not exposed on the surface of the bumper 2, it is not necessary to make the fixing member 14 the same color as the bumper. Instead, since the vibration surface 11a of the vibration part 11 is directly exposed on the surface of the bumper 2, it is necessary to paint the vibration surface 11a in the same color as the bumper 2 as necessary.
- the wiring (with respect to disconnection or the like) is more reliable than the wiring 13 as in the first to third embodiments. It is high and has a feature that the sensor module is fixed more firmly.
- the control circuit unit 12 is held by preventing the pins 15 and 16 from coming off, but the control circuit unit 12 is fixed more firmly, for example, by adhering it to one side of the fixing member 14. Also good.
- Embodiment 6 FIG.
- the vibration surface 11 a is exposed from the hole 3 when viewed from the front surface of the bumper 2. Therefore, in order to maintain the design, it is necessary to paint the vibration surface 11a in the same color as the bumper 2.
- the exposed vibration surface 11a is covered with the cosmetic film 17 so as to maintain the design.
- FIG. 16 is a cross-sectional view showing a state in which the sensor module 10e according to the sixth embodiment is attached to the bumper 2. 16 that are the same as or equivalent to those in FIG. 15 are given the same reference numerals, and descriptions thereof are omitted.
- a cosmetic film 17 having the same color as the bumper 2 is attached to the surface of the bumper 2 to cover the vibration surface 11 a and the hole 3.
- a decorative film 17 having the same color as that of the bumper 2 may be attached to the surface of the bumper 2 to cover the vibration surface 11a and the hole 3. Good.
- the sensor module 10 e is configured to include the cosmetic film 17 that is attached to the surface of the bumper 2 and covers the hole 3 and the vibration portion 11. For this reason, when viewed from the surface of the bumper 2, the vibrating portion 11 and the hole 3 are completely covered with the cosmetic film 17 and become invisible.
- the cosmetic film 17 the same color as the bumper 2, the design can be maintained to such an extent that the sensor module is hardly noticed.
- parts other than the decorative film 17 including the vibrating portion 11 are not directly exposed on the surface of the bumper 2, it is not necessary to paint the component parts, and the cost can be suppressed.
- FIG. 17 is a cross-sectional view showing the vibration part 11-1 configured to house the piezoelectric element 19 in the metal case 18, and
- FIG. 18 is a cross-sectional view showing the vibration part 11-2 configured not to use the metal case 18.
- a vibrating unit 11-1 shown in FIG. 17 houses a piezoelectric element 19 in a metal case 18 such as aluminum, connects one side of the wiring 13 to one surface of the piezoelectric element 19, and connects the other side of the piezoelectric element 19 to the other side.
- the other end of the wiring 13 is connected to the metal case 18 bonded to the surface.
- Electrodes 21 are formed on both surfaces of the piezoelectric element 19 and the wirings 13 are connected to the electrodes 21, respectively.
- the first embodiment (FIGS. 1 to 3), the third embodiment (FIGS. 7 to 9), the fourth embodiment (FIGS. 10 to 12), and the sixth embodiment (FIG. 16).
- the vibration part 11 is covered with the fixing member 14 and is not directly exposed on the surface of the bumper 2 as described in the above, so that the structure for putting the piezoelectric element 19 in the metal case 18 becomes unnecessary.
- the piezoelectric element 19 can be used as it is like the vibrating part 11-2 shown in FIG. Therefore, the vibration part 11 can be simplified and cost can be suppressed.
- the vibration in the thickness direction of the piezoelectric element 19 is transmitted not only to the front side but also to the back side of the bumper 2, so that the fixing member 14 (not shown) that blocks the surface 11b opposite to the vibration surface 11a.
- This reflection may adversely affect sensing. Therefore, a vibration absorbing member that absorbs vibration may be installed in order to suppress reflection that occurs on the surface 11b opposite to the vibration surface 11a.
- An installation example of the vibration absorbing member is shown in FIGS. 19 and 20 below.
- FIG. 19A is a front view of the vibration absorbing member 22, and FIG. 19B is a cross-sectional view of the sensor module 10 f attached to the vehicle 1.
- the sensor module 10f shown in FIG. 19 has the same configuration as the sensor module 10a of the second embodiment shown in FIGS. 4 to 6 except for the vibration absorbing member 22.
- the vibrating unit 11 may have either the vibrating unit 11-1 or the vibrating unit 11-2.
- a sponge-like vibration absorbing member 22 having a size covering the vibrating portion 11 is installed between the vibrating portion 11 and the fixing member 14, and reflection from the surface 11 b opposite to the vibrating surface 11 a is performed. Suppress.
- the fixing member 14, the vibration absorbing member 22, and the vibrating portion 11 are integrated by using the surface facing the vibrating portion 11 of the vibration absorbing member 22 as an adhesive surface.
- FIG. 20A is a front view of the vibration absorbing member 22, and FIG. 20B is a cross-sectional view of the sensor module 10 f attached to the vehicle 1.
- a sensor module 10f shown in FIG. 20 has the same configuration as the sensor module 10a of the second embodiment shown in FIGS. 4 to 6 except for the vibration absorbing member 22.
- the vibrating unit 11 may have either the vibrating unit 11-1 or the vibrating unit 11-2.
- a sponge-like vibration absorbing member 22 is installed on the entire bonding surface 14a of the fixing member 14 to suppress reflection from the surface 11b opposite to the vibration surface 11a.
- the fixing member 14, the vibration absorbing member 22, and the vibrating portion 11 are integrated by using the surface of the vibration absorbing member 22 facing the vibrating portion 11 as an adhesive surface.
- FIG. 21A is a front view of the fixing member 14, and FIG. 21B is a cross-sectional view of the sensor module 10 g attached to the vehicle 1.
- a sensor module 10g shown in FIG. 21 has the same configuration as the sensor module 10d of the fifth embodiment shown in FIGS. 13 to 15 except for the thin portion 14c of the fixing member 14.
- the vibrating unit 11 may have either the vibrating unit 11-1 or the vibrating unit 11-2.
- FIG. 21 when the thick fixing member 14 is sandwiched between the vibration part 11 and the control circuit part 12, a thin part 14 c having a shape surrounding the outer periphery of the vibration part 11 is formed on the fixing member 14.
- the thin inner portion 14d on the inside can be vibrated.
- the thin inner part 14d sandwiched between the vibration part 11 and the control circuit part 12 is vibrated together with the vibration part 11, and reflection generated on the back side of the vibration surface 11a can be suppressed.
- the sensor module 10 f is configured to include the vibration absorbing member 22 that is disposed between the vibrating portion 11 and the fixing member 14 and absorbs the vibration of the vibrating portion 11. For this reason, the vibration from the back side of the vibration part 11 can be absorbed and reflection can be suppressed.
- the fixing member 14 of the sensor module 10 g has the thin part 14 c having a shape surrounding the outer periphery of the vibration part 11, and the thin inside 14 d vibrates together with the vibration part 11. For this reason, the vibration from the back side of the vibration part 11 can be suppressed and reflection can be suppressed.
- the bumper 2 on the front side of the vehicle 1 is described as an example of the outer portion of the vehicle to which the sensor module is attached. However, other locations may be used.
- the sensor module according to the present invention is configured by separating the vibration part and the control circuit part, the sensor module is suitable for use in an in-vehicle corner sensor that requires design and assembly.
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Abstract
Description
このタイプでは、バンパ103の表面側からセンサモジュール100を挿入することができ、組み付け性が良いというメリットがある。一方、ホルダ101のベゼル105がバンパ103の表面に露出するので、デザイン性が損なわれるというデメリットがある。
このタイプでは、センサモジュール110の先端部分のみをバンパ113の表面に露出させることができ、車両デザインを損なわないというメリットがある。一方、デメリットとしては、ホルダ111とセンサモジュール110が分離しており部品点数が多くなることにより、組み付け時に手順が多くなったり、ホルダ111の位置決めが難しくなったりすることが挙げられる。
実施の形態1.
コーナーセンサのセンサモジュールは、振動部(センサ素子)と制御回路部とから構成される。振動部は、車両外側に電波または超音波を送受信する必要があるため、車両表面に配置される必要があるが、制御回路部は車両のどこに取り付けてもよい。そこで、本発明では、センサモジュールの振動部と制御回路部を分離して、それぞれ車両に取り付けるセンサモジュールを実現する。
一方、センサモジュール10を取り付ける車両1の前側に配置されたバンパ2には、振動部11が嵌る大きさの穴3が形成されている。
また、バンパ2の表面から見た場合、振動部11およびバンパ2の穴3は固定部材14によって完全に被覆され、見えなくなる。また、固定部材14の化粧面14bをバンパ2と同色にすることで、センサモジュールが取り付けられていることをほとんど意識させないくらいにデザイン性を保つことができる。
また、振動部11を含め固定部材14以外の部品が直接バンパ2の表面に露出しないので、構成部品を塗装する必要がなく、コストを抑制することができる。
図4は、本実施の形態2に係るセンサモジュール10aの構成を示す斜視図である。図5は、車両1にセンサモジュール10aを取り付けた状態を示す斜視図、図6はその断面図である。本実施の形態2に係るセンサモジュール10aは、振動部11、制御回路部12、振動部11と制御回路部12を電気的に接続する配線13、および、粘着性と屈曲性とを有する薄板状の固定部材14から構成される。
センサモジュール10aを車両1に取り付ける場合、先ず、バンパ2の穴3に振動部11が入るように位置を合わせ、この振動部11と一体化している固定部材14の接着面14aをバンパ2の裏面に貼り付ける。続いて、制御回路部12をバンパ2の裏面に取り付ける。
バンパ2の裏面への制御回路部12の取り付け方法は任意でよく、例えば接着部材を用いる。
また、固定部材14がバンパ2の表面に露出しないので、固定部材14をバンパと同色にする必要は無い。その代わり、振動部11の振動面11aが直接バンパ2の表面に露出するので、必要に応じて振動面11aをバンパ2と同色に塗装する必要がある。
図7は、本実施の形態3に係るセンサモジュール10bの構成を示す斜視図である。図8は、車両1にセンサモジュール10bを取り付けた状態を示す斜視図、図9はその断面図である。本実施の形態3に係るセンサモジュール10bは、振動部11、制御回路部12、振動部11と制御回路部12を電気的に接続する配線13、および、粘着性と屈曲性とを有する薄板状の固定部材14から構成される。
センサモジュール10bを車両1に取り付ける場合、先ず、バンパ2の表面に振動部11を配置し、配線13を穴4に通してバンパ2の裏側へ出し、この振動部11を被覆するように固定部材14をバンパ2の表面に貼り付ける。続いて、制御回路部12をバンパ2の裏面に取り付け、振動部11から伸びる配線13を制御回路部12に接続する。
また、振動部11を含め固定部材14以外の部品が直接バンパ2の表面に露出しないので、構成部品を塗装する必要がなく、コストを抑制することができる。
図10は、本実施の形態4に係るセンサモジュール10cの構成を示す斜視図である。図11は、車両1にセンサモジュール10cを取り付けた状態を示す斜視図、図12はその断面図である。本実施の形態4に係るセンサモジュール10cは、振動部11、制御回路部12、振動部11と制御回路部12を電気的に接続するピン15,16、および、粘着性と屈曲性とを有する薄板状の固定部材14から構成される。
また、振動部11を含め固定部材14以外の部品が直接バンパ2の表面に露出しないので、構成部品を塗装する必要がなく、コストを抑制することができる。
なお、図12の場合、ピン15,16の抜け止めにより制御回路部12が保持されているが、例えば制御回路部12をバンパ2の裏面に接着する等して、さらに強固に固定してもよい。
図13は、本実施の形態5に係るセンサモジュール10dの構成を示す斜視図である。図14は、車両1にセンサモジュール10dを取り付けた状態を示す斜視図、図15はその断面図である。本実施の形態5に係るセンサモジュール10dは、振動部11、制御回路部12、振動部11と制御回路部12を電気的に接続するピン15,16、および、粘着性と屈曲性とを有する板状の固定部材14から構成される。
また、固定部材14がバンパ2の表面に露出しないので、固定部材14をバンパと同色にする必要は無い。その代わり、振動部11の振動面11aが直接バンパ2の表面に露出するので、必要に応じて振動面11aをバンパ2と同色に塗装する必要がある。
なお、図15の場合、ピン15,16の抜け止めにより制御回路部12が保持されているが、例えば制御回路部12を固定部材14の片面に接着する等して、さらに強固に固定してもよい。
上記実施の形態2および上記実施の形態5では、固定部材14をバンパ2の裏面に貼り付けたため、バンパ2の表面から見ると穴3から振動面11aが露出していた。そのため、デザイン性を保つために、振動面11aをバンパ2と同色に塗装する必要があった。
これに対して、本実施の形態6では、露出した振動面11aを化粧用のフィルム17で被覆して、デザイン性を保つようにする。
図16において、バンパ2にセンサモジュール10eを取り付けた後、バンパ2と同色の化粧用のフィルム17を、バンパ2の表面に貼り付けて、振動面11aおよび穴3を被覆する。
また、振動部11を含め化粧用のフィルム17以外の部品が直接バンパ2の表面に露出しないので、構成部品を塗装する必要がなく、コストを抑制することができる。
本実施の形態7では、センサモジュールの振動部11の詳細構造を説明する。図17は、圧電素子19を金属ケース18に収容した構成の振動部11-1を示す断面図、図18は、金属ケース18を使用しない構成の振動部11-2を示す断面図である。
図19では、振動部11と固定部材14との間に、振動部11を被覆する大きさのスポンジ状の振動吸収部材22を設置して、振動面11aとは反対の面11bからの反射を抑制する。この構成の場合、振動吸収部材22の振動部11を向く面を接着面にして、固定部材14と振動吸収部材22と振動部11を一体化する。
図20では、固定部材14の接着面14a全面にスポンジ状の振動吸収部材22を設置して、振動面11aとは反対の面11bからの反射を抑制する。この構成の場合、振動吸収部材22の振動部11を向く面を接着面にして、固定部材14と振動吸収部材22と振動部11を一体化する。
図21に示すように、振動部11と制御回路部12とで厚手の固定部材14を挟み込む構成の場合には、固定部材14に、振動部11の外周を囲う形状の肉薄部14cを形成して、その内側の肉薄内部14dを振動可能にする。これにより、振動部11と制御回路部12に挟まれた肉薄内部14dを振動部11と一緒に振動させて、振動面11aの裏側に生じる反射を抑制することができる。
Claims (10)
- 車両の外部に向くように前記車両の外郭部に取り付けられて障害物を検知する振動部と、
前記振動部から分離されて前記外郭部の裏側に取り付けられて前記振動部の動作を制御する制御回路部と、
前記振動部と前記制御回路部を接続する配線とを備えるセンサモジュール。 - 粘着性および屈曲性を有する薄板状の固定部材を備え、
前記固定部材は、前記振動部が貼り付けられて一体化しており、前記外郭部の表面または裏面に貼り付いて前記振動部を固定することを特徴とする請求項1記載のセンサモジュール。 - 前記振動部は、前記外郭部を貫通する穴の中に配置され、
前記固定部材は、前記外郭部の表面に貼り付いて前記穴および前記振動部を被覆することを特徴とする請求項2記載のセンサモジュール。 - 前記振動部は、前記外郭部を貫通する穴の中に配置され、
前記固定部材は、前記外郭部の裏面に貼り付いて前記穴および前記振動部を被覆することを特徴とする請求項2記載のセンサモジュール。 - 前記振動部は、前記外郭部の表面に配置され、
前記配線は、前記外郭部を貫通する穴を通り、前記外郭部の表側の前記振動部と裏側の前記制御回路部を接続し、
前記固定部材は、前記外郭部の表面に貼り付いて前記穴および前記振動部を被覆することを特徴とする請求項2記載のセンサモジュール。 - 前記制御回路部は、前記振動部と前記制御回路部とで前記外郭部を表裏から挟み込む位置に配置され、ピン状の前記配線で前記振動部と接続されていることを特徴とする請求項5記載のセンサモジュール。
- 前記振動部は、前記外郭部を貫通する穴の中に配置され、
前記固定部材は、前記振動部と前記制御回路部とで表裏から挟み込まれており、前記外郭部の裏面に貼り付いて前記穴および前記振動部を被覆することを特徴とする請求項2記載のセンサモジュール。 - 前記外郭部の表面に貼り付いて、前記穴および前記振動部を被覆する化粧用のフィルムを備えることを特徴とする請求項7記載のセンサモジュール。
- 前記振動部と前記固定部材との間に配置され、前記振動部の振動を吸収する振動吸収部材を備えることを特徴とする請求項4記載のセンサモジュール。
- 前記固定部材は、前記振動部の外周を囲う形状の肉薄部を有し、当該肉薄部の内側部分が前記振動部と共に振動することを特徴とする請求項4記載のセンサモジュール。
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JP2014545536A JP6058022B2 (ja) | 2012-11-12 | 2012-11-12 | センサモジュール |
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WO2017149931A1 (ja) * | 2016-03-01 | 2017-09-08 | パナソニックIpマネジメント株式会社 | 超音波センサ及びそれを備える超音波センサ装置 |
EP3796030A1 (en) * | 2019-09-17 | 2021-03-24 | Yanfeng Plastic Omnium Automotive Exterior Systems Co., Ltd. | Radar bracket with surface self-adaptiveness |
US11552389B2 (en) | 2019-04-02 | 2023-01-10 | Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg | Radar apparatus, method of manufacturing a radar apparatus and motor vehicle |
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JP7494766B2 (ja) * | 2021-03-12 | 2024-06-04 | 株式会社豊田自動織機 | 産業車両 |
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- 2012-11-12 CN CN201290001361.2U patent/CN204807692U/zh not_active Expired - Fee Related
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JPWO2014073108A1 (ja) | 2016-09-08 |
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