EP3512214A1 - Prothèse auditive avec un ensemble commutateur amélioré - Google Patents

Prothèse auditive avec un ensemble commutateur amélioré Download PDF

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Publication number
EP3512214A1
EP3512214A1 EP18191707.1A EP18191707A EP3512214A1 EP 3512214 A1 EP3512214 A1 EP 3512214A1 EP 18191707 A EP18191707 A EP 18191707A EP 3512214 A1 EP3512214 A1 EP 3512214A1
Authority
EP
European Patent Office
Prior art keywords
hearing aid
protection membrane
switch
dome
push
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18191707.1A
Other languages
German (de)
English (en)
Inventor
Mateusz MITURA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oticon AS
Original Assignee
Oticon AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oticon AS filed Critical Oticon AS
Priority to EP18191707.1A priority Critical patent/EP3512214A1/fr
Publication of EP3512214A1 publication Critical patent/EP3512214A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/14—Tumblers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/016—Separate bridge contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/008—Part of substrate or membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/016—Switch site protrusions; Force concentrators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/022—Collapsable dome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/026—Separate dome contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/004—Application hearing aid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning

Definitions

  • the present disclosure relates to hearing aids having one or more switches for activating and/or controlling for example a volume of the hearing aid, and/or switching between programs in a hearing aid. More particularly, the disclosure relates to an improved switch configuration having an integrated dome.
  • Hearing aids generally comprises a button, which may be used for controlling a setup of the hearing aids, such as a program setting and/or to control a volume of the hearing aid.
  • buttons for controlling a hearing aid setup generally comprises a switch having a switch plate, an activation plate and a push-button at the outer surface of the hearing aid, wherein applying a pressure to the push-button, ensures that a contact is made between a membrane of switch and the activation plate, whereby a control of a setup in the hearing aid is enabled.
  • Such switch enabling a push-button to control a hearing aid, are prone to wear and tear, and if an internal part of the switch, which ensure that a pressure can be transmitted from the push-button via the membrane to an activation plate and which is normally connected to the activation plate, starts to disconnect from the activation plate, the function of the switch decreases rapidly.
  • the present disclosure provides at least an alternative to and improvement of existing switch solutions for hearing aids, on the market.
  • the hearing aid comprises a switch incorporated in a part of the hearing aid, wherein the switch comprises a switch base which is connected to a substrate in the hearing aid, an activation plate configured in connection with said switch base, and a dome arranged in between the activation plate and a protection membrane, wherein the dome is configured as an integrated part of said protection membrane.
  • the switch is configured as part of a push-button of the hearing aid, wherein the push-button upon activation of the switch configures the hearing aid to be switched between one or more modes of operation and/or wherein the switch is configured as part of a volume control switch.
  • the switch is configured to be arranged beneath a push-button configuration of a hearing aid, thus forming an internal part of the hearing aid, wherein the push-button forms a part of the outer surface of the hearing aid.
  • the push-button Upon applying a pushing force by a user to the push-button, the push-button is arranged in connection with the switch assembly, to activate the switch.
  • the protection membrane is made from a elastomeric material, such as silicone or rubber, ensuring a flexibility of the switch, allowing the push-button to apply a pressure to the protection membrane which forces the dome towards the activation plate of the switch.
  • the dome is made from silicone and configured to be integrated into said protection membrane.
  • the dome By providing the dome in a silicone material easy integration into the protection membrane may be achieved.
  • the silicone material allows a flexibility of the dome ensuring that the switch is easily compressed via the push-button. It should be noted that the dome could similar be integrated in to the protection membrane with a harder material than a silicone material. This could allow a "harder" switch assembly, which could transfer a pressure more directly.
  • the protection membrane may be connected to the switch base by means of an adhesive or welding.
  • the adhesive may be provided by a suitable glue which does not easily dissolve due to moisture, dirt or other material meeting the internal parts of the hearing aid.
  • the protection membrane may be configured to be integrated into a sealing cup of the switch assembly.
  • the sealing cup ensures that a firm mechanical fixation of the protection membrane and the integrated dome. Additionally, the sealing cup ensures an improved protection against ingress of humidity or other substances into the protection membrane, which could dissolve any glue material which in one embodiment are used to connect the protection membrane to the switch base.
  • the sealing cup with the protection membrane is connected to the switch base by means of gluing and/or mechanical snapping.
  • the sealing cup is mechanically connected to the switch base, allowing a connection which is less likely to loosen from the switch base.
  • the mechanical connection could be made from a snapping, such as provided by a grooves and protrusion on the sealing cup and the switch base, respectively.
  • the attaching means could also include a welding or as previously mentioned a gluing material provided on one or more of the surface of the switch base and/or the sealing cup. In any case, the application of the sealing cup, ensures that the protection membrane and the integrated dome is protected against ingress of humidity and thus the degradation of the switch is decreased.
  • the push-button comprises a first surface configured to be operated by a pushing motion from a user, and a second surface facing internal parts of the hearing aid, wherein the second surface is configured to abut the protection membrane, such that upon applying a force to the first surface of the push-button, said protection membrane is pushed towards said activation plate, where via a force applied to the activation plate from said integrated dome the activation plate and the protection membrane is configured to bend.
  • the dome is configured to be incorporated in a center part of said protection membrane. This ensures that the dome may transmit the external forces applied to the protection membrane via the push-button is transferred directly to a center of the activation plate allowing a bending of the activation plate, which as a consequence establishes contact with the switch base and the underlying substrate. Thus, when a contact is established between the activation plate and the switch base, an electronic circuit is closed allowing energy to one or more electronic components which are arranged on the substrate.
  • the protection membrane comprises a surface base having outer edges and inner edges, wherein from the inner edges a rounded inclination rises towards a top surface, wherein said dome is integrated into the protection membrane at a position below the top surface.
  • the inclination rising from the inner edges could have any other suitable geometric shape, such a triangular or rectangular.
  • the inclination of the protection membrane ensures that a top surface is configured in a distance from the surface base. This top surface is configured to abut a part of the push button of the hearing aid so as to transfer a pressure to the integrated dome in an efficient manner.
  • the protection membrane and the dome are formed from the same silicone material and configured as a single piece. This ensures that the protection membrane and the dome provide a flexible switch parts, which acts as one element, and which do not become disengaged.
  • the sealing cup is configured with an undercut, wherein one or more edges of the protection membrane is configured to be arranged within the undercut of the sealing cup.
  • the sealing cup has an opening through which an inclination of the protection membrane rises from a surface base of the protection membrane to be substantially aligned with a top surface of the sealing cup.
  • the top surface of the protection membrane may also extend higher and/or lower than a top surface of the sealing cup. Especially upon applying a pressure from the push-button, the top surface of the protection membrane will in an embodiment be forced down below the top surface of the sealing cup.
  • the hearing aid comprises two switches arranged beneath a push-button of the hearing aid, wherein the two switches are configured to be operated by a pushing motion form a user in a configuration according to any one of claims 1 to 13.
  • a hearing device may include a hearing aid that is adapted to improve or augment the hearing capability of a user by receiving an acoustic signal from a user's surroundings, generating a corresponding audio signal, possibly modifying the audio signal and providing the possibly modified audio signal as an audible signal to at least one of the user's ears.
  • the "hearing device” may further refer to a device such as an earphone or a headset adapted to receive an audio signal electronically, possibly modifying the audio signal and providing the possibly modified audio signals as an audible signal to at least one of the user's ears.
  • Such audible signals may be provided in the form of an acoustic signal radiated into the user's outer ear, or an acoustic signal transferred as mechanical vibrations to the user's inner ears through bone structure of the user's head and/or through parts of middle ear of the user or electric signals transferred directly or indirectly to cochlear nerve and/or to auditory cortex of the user.
  • the hearing device is adapted to be worn in any known way. This may include i) arranging a unit of the hearing device behind the ear with a tube leading air-borne acoustic signals into the ear canal or with a receiver/ loudspeaker arranged close to or in the ear canal such as in a Behind-the-Ear type hearing aid, and/ or ii) arranging the hearing device entirely or partly in the pinna and/ or in the ear canal of the user such as in an In-the-Ear type hearing aid or In-the-Canal/ Completely-in-Canal type hearing aid, or iii) arranging a unit of the hearing device attached to a fixture implanted into the skull bone such as in Bone Anchored Hearing Aid or Cochlear Implant, or iv) arranging a unit of the hearing device as an entirely or partly implanted unit such as in Bone Anchored Hearing Aid or Cochlear Implant.
  • a “hearing system” refers to a system comprising one or two hearing devices
  • a “binaural hearing system” refers to a system comprising two hearing devices where the devices are adapted to cooperatively provide audible signals to both user's ears.
  • the hearing system or binaural hearing system may further include auxiliary device(s) that communicates with at least one hearing device, the auxiliary device affecting the operation of the hearing devices and/or benefitting from the functioning of the hearing devices.
  • a wired or wireless communication link between the at least one hearing device and the auxiliary device is established that allows for exchanging information (e.g. control and status signals, possibly audio signals) between the at least one hearing device and the auxiliary device.
  • Such auxiliary devices may include at least one of remote controls, remote microphones, audio gateway devices, mobile phones, public-address systems, car audio systems or music players or a combination thereof.
  • the audio gateway is adapted to receive a multitude of audio signals such as from an entertainment device like a TV or a music player, a telephone apparatus like a mobile telephone or a computer, a PC.
  • the audio gateway is further adapted to select and/or combine an appropriate one of the received audio signals (or combination of signals) for transmission to the at least one hearing device.
  • the remote control is adapted to control functionality and operation of the at least one hearing devices.
  • the function of the remote control may be implemented in a SmartPhone or other electronic device, the SmartPhone/ electronic device possibly running an application that controls functionality of the at least one hearing device.
  • a hearing device in general, includes i) an input unit such as a microphone for receiving an acoustic signal from a user's surroundings and providing a corresponding input audio signal, and/or ii) a receiving unit for electronically receiving an input audio signal.
  • the hearing device further includes a signal processing unit for processing the input audio signal and an output unit for providing an audible signal to the user in dependence on the processed audio signal.
  • the input unit may include multiple input microphones, e.g. for providing direction-dependent audio signal processing.
  • Such directional microphone system is adapted to enhance a target acoustic source among a multitude of acoustic sources in the user's environment.
  • the directional system is adapted to detect (such as adaptively detect) from which direction a particular part of the microphone signal originates. This may be achieved by using conventionally known methods.
  • the signal processing unit may include amplifier that is adapted to apply a frequency dependent gain to the input audio signal.
  • the signal processing unit may further be adapted to provide other relevant functionality such as compression, noise reduction, etc.
  • the output unit may include an output transducer such as a loudspeaker/ receiver for providing an air-borne acoustic signal transcutaneously or percutaneously to the skull bone or a vibrator for providing a structure-borne or liquid-borne acoustic signal.
  • the output unit may include one or more output electrodes for providing the electric signals such as in a Cochlear Implant.
  • a push-button 20 of a hearing aid 100 is illustrated in an example.
  • the push-button comprises a first surface 21 configured to be operated by a pushing motion from a user, and a second surface 22 facing internal parts of the hearing aid 100. At least a part 23 of the second surface 22 is configured to abut a protection membrane 6 of a switch 1, such that upon applying a force to the first surface 21 of the push-button 20, the protection membrane 6 is pushed towards an activation plate (not shown), where via a force applied to the activation plate from an integrated dome (not shown) in the protection membrane 6, the activation plate and the protection membrane 6 is configured to bend.
  • the switch 1 is configured to have a switch base, which is connected to a substrate 3, such as a printed circuit board of the hearing aid 100.
  • the substrate comprises one or more electronic components which are used to set a program, control a volume or similar mechanism of the hearing aid.
  • the switch upon applying a pressure to the push-button 20, the switch enables electrical contact between the electronic components and the switch such that control of the hearing aid is enabled.
  • the switch is configured to interplay with a push-button of the hearing aid, wherein the push-button upon activation of the switch configures the hearing aid to be switched between one or more modes of operation and/or wherein the switch is configured as part of a volume control switch.
  • the disclosure is preferably related to a new switch design which improves the life-time of the switch by avoiding a degradation of the elements which causes the switch to function.
  • a switch is normally configured with a dome which enables the pressure contact between the push-button and an activation plate of the switch. This dome is normally centered on the activation button in order to ensure a direct transfer of the pressure force.
  • this dome easily becomes displaced from the center of the activation plate, which causes a dysfunctional switch.
  • the switch comprises a switch base 2, which is connected to a substrate (refer to Figure 1 ) in the hearing aid.
  • the switch 1 furthermore comprises an activation plate 4, configured in connection with the switch base 2.
  • the activation plate is freely placed on the switch base, thereby permitting electrical connection.
  • a dome 5 is arranged in between the activation plate 4 and a protection membrane 6.
  • the dome 5 is configured as an integrated part of the protection membrane 6, which ensures that the dome cannot disengage from the protection membrane 6 and thus will remain in its position in relation to the activation plate 4 as provided by the integration of the dome 5 into the protection membrane 6.
  • the dome 5 is configured to be incorporated in a center part 61 of the protection membrane 6. This ensures that the dome 5 via a pressure upon the push-button and therethrough on the protection membrane 6, transfer a direct pressure to the center of the activation plate 4, thereby allowing a bending of the activation plate 4. This ensures that an electrical contact is established between the switch base and the activation plate whereby electronic components of the hearing aids can be controlled.
  • an extension part 23 of the push-button which is arranged on top of the switch 1 is activated, and ensures that a pressure is applied to a top surface 62 of the protection membrane 6.
  • the dome 5 is arranged.
  • activated of the push-button by a pushing force transfers energy via the top surface 62 of the protection membrane 6 to the dome 5 and further to the activation plate 4.
  • the protection membrane 6 is as illustrated in the Figures configured with a surface base 63 having outer edges 63a, 63b, 63c, 63d and inner edges 64a, 64b, 64d, 64c, wherein from the inner edges 64a, 64b, 64c, 64d a rounded inclination 64 rises towards a top surface 62.
  • the inner edges may be considered as one continuous circular edge.
  • the dome 5 is integrated into the protection membrane 6 at a position below the top surface 62.
  • rounded is meant that the general geometrical shape of the inclination is substantially rounded at a transition between the surface base 63 and towards the top surface 62.
  • the inclination rises form the surface base 63 of the protection membrane 6 substantially in the shape of a pyramid, where the top of the pyramid is a flat surface. Furthermore, the inclined behavior of the rounded inclination 64 ensures that the protection membrane 6 is able to bend slightly towards the activation plate 4 upon a pressure applied form the push-button, as described above.
  • the protection membrane 6 is configured to be connected to the switch base 2 by means of an adhesive or welding. That is, in an example the protection membrane 6 is glued to the switch base 2, or in an alternative example welded thereto.
  • FIG. 5 a second embodiment of the switch assembly is illustrated in a top view and from a cross-sectional side view, respectively.
  • the switch comprises all of the elements as mentioned in relation to the Figures 2 to 4 of the first embodiment, however with added elements for providing an improved retaining of the protection membrane 6 on the switch base 2.
  • the like elements of the two embodiments will be given the same reference numerals and only the features which are added in view of this second embodiment, will be discussed in detail.
  • the switch 1 comprises a switch base 2 and a protection membrane 6.
  • the protection membrane comprises a surface base 63 having outer edges 63a, 63b, 63c, 63d and inner edges 64a, 64b, 64d, 64c, wherein from the inner edges 64a, 64b, 64c, 64d a rounded inclination 64 rises towards a top surface 62.
  • the inner edges may be considered as one continuous circular edge.
  • the second embodiment is illustrated in more detail in the cross-sectional view of Figure 6 .
  • the sealing cup 7 ensures that the durability of the switch is improved, in that the sealing cup 7 ensures an improved stability of the protection membrane 6 and the integrated dome 5 above the center of the activation plate 4.
  • the sealing cup 7 provides a firm mechanical fixation of the protection membrane 6 and at the same time an improved protection against ingress of humidity and other foreign substances. In result, and improved durability in that the protection membrane does not easily loosen from the position above the activation plate.
  • the sealing cup 7 with the protection membrane 6 arranged therein, is connected to the switch base by means of gluing and/or mechanical snapping.
  • the sealing cup 7 is, as illustrated in Figure 6 , configured with an undercut 71, wherein one or more outer edges 63a, 63b, 63c, 63d of the protection membrane 6 is configured to be arranged within the undercut 71 of the sealing cup 7. This ensures that the protection membrane 6 with the integrated dome 5 is configured to stay in place above the activation plate 4 in a center thereof. Thus allowing a more direct energy transfer from the push-force applied from the push-button (see Figure 1 ), to the activation plate 4.
  • the sealing cup 7 is provided with an opening 72 through which the inclination 64 of the protection membrane 6 rises from the surface base 63 of the protection membrane 6 to be aligned with a top surface 74 of the sealing cup 7.
  • the top surface of the protection membrane may extend higher than a top surface of the sealing cup.
  • part 23 of the second surface 22 is configured to abut a protection membrane 6 of a switch other words, the opening 72 allows the top surface 62 of the protection membrane 6 to extend freely from the sealing cup 7, such that the part 23 of the push-button may come into contact with the top surface 62 upon a user applying a pushing force to the push-button, as previously described in relation to especially Figure 1 .
  • the protection membrane 6 is made from a silicone material. This allows a flexibility of the switch ensuring that the switch may easily react to a push from the user.
  • the dome is similarly made from silicone and configured to be integrated into said protection membrane. Silicone is a preferred choice of material, due to the flexibility and non-sticky surface of a silicone material. However, in an alternative embodiment, the dome could also be made out of rubber or any other elastomeric material.
  • the protection membrane 6 and the dome 5, as illustrated in all of the embodiments should be contemplated to be formed from the same silicone material, and configured as a single piece. This ensures that the dome does not become disengaged from the protection membrane due to humidity, moisture or other environmental influences to the switch.
  • the hearing aid may comprise two switches arranged beneath a push-button of the hearing aid, wherein each of the switches are configured as one or both of the embodiments described herein and are configured to be operated by a pushing motion from a user, as described especially in relation to Figure 1 .
  • connection or “coupled” as used herein may include wirelessly connected or coupled.
  • the term “and/or” includes any and all combinations of one or more of the associated listed items. The steps of any disclosed method is not limited to the exact order stated herein, unless expressly stated otherwise.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
EP18191707.1A 2018-08-30 2018-08-30 Prothèse auditive avec un ensemble commutateur amélioré Withdrawn EP3512214A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18191707.1A EP3512214A1 (fr) 2018-08-30 2018-08-30 Prothèse auditive avec un ensemble commutateur amélioré

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18191707.1A EP3512214A1 (fr) 2018-08-30 2018-08-30 Prothèse auditive avec un ensemble commutateur amélioré

Publications (1)

Publication Number Publication Date
EP3512214A1 true EP3512214A1 (fr) 2019-07-17

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Application Number Title Priority Date Filing Date
EP18191707.1A Withdrawn EP3512214A1 (fr) 2018-08-30 2018-08-30 Prothèse auditive avec un ensemble commutateur amélioré

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EP (1) EP3512214A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531841A1 (de) * 1975-07-16 1977-01-20 Schadow Rudolf Gmbh Elektrischer schnappschalter
DE9320391U1 (de) * 1993-09-15 1994-06-23 Siemens Audiologische Technik Gmbh, 91058 Erlangen Betätigungsvorrichtung für Hörgeräte
US20050008178A1 (en) * 2003-07-08 2005-01-13 Sonion Roskilde A/S Control panel with activation zone
US20120055773A1 (en) * 2010-09-07 2012-03-08 Panasonic Corporation Push switch and method for manufacturing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531841A1 (de) * 1975-07-16 1977-01-20 Schadow Rudolf Gmbh Elektrischer schnappschalter
DE9320391U1 (de) * 1993-09-15 1994-06-23 Siemens Audiologische Technik Gmbh, 91058 Erlangen Betätigungsvorrichtung für Hörgeräte
US20050008178A1 (en) * 2003-07-08 2005-01-13 Sonion Roskilde A/S Control panel with activation zone
US20120055773A1 (en) * 2010-09-07 2012-03-08 Panasonic Corporation Push switch and method for manufacturing the same

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