EP2603016B1 - Cordon de contrôle pour casques et dispositifs auxiliaires - Google Patents

Cordon de contrôle pour casques et dispositifs auxiliaires Download PDF

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Publication number
EP2603016B1
EP2603016B1 EP13153762.3A EP13153762A EP2603016B1 EP 2603016 B1 EP2603016 B1 EP 2603016B1 EP 13153762 A EP13153762 A EP 13153762A EP 2603016 B1 EP2603016 B1 EP 2603016B1
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EP
European Patent Office
Prior art keywords
control
sensor
cord
electronic device
portable electronic
Prior art date
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EP13153762.3A
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German (de)
English (en)
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EP2603016A1 (fr
Inventor
Bengt Stefan Gustavsson
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BlackBerry Ltd
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BlackBerry Ltd
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Publication of EP2603016A1 publication Critical patent/EP2603016A1/fr
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    • 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

Definitions

  • the present disclosure relates generally to portable electronic devices. More particularly, the present disclosure relates to a control cord for an auxiliary device, such as a headset, for use with a portable electronic device.
  • an auxiliary device such as a headset
  • Portable electronic devices such as mobile devices or media players, provide a user with portable entertainment and/or mobile productivity functionality.
  • Auxiliary devices or accessories such as headsets or headphones, are commonly used in conjunction with the portable electronic device.
  • Other auxiliary devices include BluetoothTM devices, external keyboards, headsets with an integrated microphone, and other hands-free accessories.
  • a headset permits a user to listen to audio originating from the portable electronic device by delivering the audio in-ear.
  • the user can thus enjoy music or other audio content, such as a telephone conversation, even in a noisy or crowded environment, such as a bus, train, airport, or other public area.
  • the headset connects to the portable electronic device via an electric cable or cord.
  • headset represents any headset, headphone, ear bud, or other device or apparatus capable of providing audio signals to a user.
  • a headset designed for use with a mobile device can include a microphone permitting the user to fully participate in a telephone conversation.
  • control of the portable electronic device is provided by controls on the device itself, it can be desirable to provide one or more controls remote from the device.
  • Such remote control can be integrated as part of the auxiliary device, or as part of the cable or cord connecting the auxiliary device to the portable electronic device.
  • FIG. 1 illustrates a known headset with a remote device control housing on a cord connecting an earpiece to the portable electronic device.
  • a headset 100 typically includes: an earpiece 102 , which typically includes either a single earpiece element, or a pair of earpiece elements, one for each ear; and a cord 104 connecting the earpiece to the portable electronic device 106 .
  • a remote device control housing 108 is attached to the wire, and controls are mounted on, or in, the housing.
  • the housing 108 is typically implemented as a big plastic box on the wire including the electronics and the buttons for remote control of the device. Such a housing can be very bulky.
  • the control box is mainly used to house the various control buttons.
  • US-A-2007237170 discloses a cable user interface, such as a cable for audio headphones, which enables control of one or more aspects of operation of a device to which such cable is connected.
  • a user touches/applies pressure to the cable user interface, either along the full length of the cable, or to a localized part of the cable, in order to control the device.
  • a mechanism is included for interfacing the pressure sensitive controller(s) to the device so that pressure/touch applied by a user can be translated to control of the device. Embodiments of this device require the application of power.
  • US-A-4568851 discloses a piezoelectric coaxial cable comprising a metallic helically wound inner conductor, the volume within the helix being filled with a solid material; a continuous piezoelectric polymer layer circumferentially surrounding the inner conductor; and an outer conductor in contact with the piezoelectric polymer layer but separated from the inner conductor.
  • US-A-4975616 discloses a plurality of piezoelectric transducer means arranged in an array.
  • a common electrode is provided among at least a plurality of the piezoefectric transducer means.
  • a plurality of discrete signal electrodes is operatively associated with each transducer means.
  • the number of signal electrodes for each transducer means is the same.
  • the surface areas of the signal electrodes for each transducer means are adapted and arranged for generating a signal unique to each transducer means.
  • Corresponding ones of the signal electrodes of each plurality of signal electrodes are connected together with a common conductor to form a single electrical terminal. The total number of resulting electrical terminals is the same as the number of signal electrodes for each transducer means.
  • the present disclosure may provide a cord-based controller for an auxiliary device, such as a headset, used with a portable electronic device.
  • a pressure-sensitive, and preferably bendable, material such as a piezoelectric pressure sensor may be placed within or on an audio cable or cord of a headphone lead, such as by wrapping it within the outer shielding, or insulation sheath, of the cord.
  • a self-powered controlling sensor may be arranged to control the electronic device using a generated control signal.
  • the controlling sensor may comprise a sensor material.
  • the control signal may be generated by deformation of the sensor material independent of power supplied to the headset and independent of power supplied to the portable electronic device. This may be achieved without requiring a separate housing for the controller, which typically protrudes from the cord.
  • a plurality of control sensor elements can be provided, each producing a different control signal voltage transmitted along a single control signal electrical connector.
  • the present disclosure obviates or mitigates at least one disadvantage of previous control cords for an auxiliary device used with a portable electronic device.
  • the present disclosure may provide a control cord as detailed in claim 1 for connecting a headset to a portable electronic device, and arranged to remotely control the portable electronic device.
  • the control cord may comprise: an earpiece connector provided at one end of the cord; a device connector attached to another end of the cord for connecting to a portable electronic device; and a self-powered controlling sensor provided within the cord and in electrical communication with the electronic device.
  • the self-powered controlling sensor may be arranged to control the electronic device using a generated control signal.
  • the controlling sensor comprises a sensor material.
  • the control signal may be generated by deformation of the sensor material independent of power supplied to the headset and independent of power supplied to the portable electronic device.
  • the sensor material can comprise a piezoelectric material.
  • the cord can include a controller region and a non-controller region.
  • the controller region has a distinctive appearance characteristic compared to the non-controller region, and the self-powered controlling sensor is provided in the controller region.
  • the cord can comprise an outer cable shielding, and the self-powered controlling sensor can be in direct contact with the outer cable shielding.
  • the control cord can comprise a sensor shielding in which the self-powered controlling sensor is provided.
  • the sensor shielding can have direct contact with an exterior or interior surface of the outer cable shielding.
  • the self-powered controlling sensor can be integrated within the outer cable shielding.
  • the control cord can further comprise a physical indicator on an outer surface of the cord, the physical indicator positioned to indicate a location of the controlling sensor.
  • the self-powered controlling sensor can be configured to generate first and second control signals.
  • the self-powered controlling sensor can comprise first and second sensor elements, the first and second sensor elements being configured to generate first and second control signals, respectively.
  • the control cord can further comprise a single control signal wire arranged to transport the first and second control signals.
  • the self-powered controlling sensor can include a plurality of sensor elements, each of the plurality of sensor elements configured to generate a unique control signal.
  • the first sensor element can be composed of a first amount of piezoelectric material and the second sensor element can be composed of a second amount of piezoelectric material.
  • the first sensor element can be composed of piezoelectric material having a first thickness
  • the second sensor element can be composed of piezoelectric material having a second thickness different from the first thickness.
  • the first and second sensor elements can be composed of a substantially similar amount of piezoelectric material.
  • the control cord can further comprise a pressure absorbing rib associated with the first sensor element and arranged to absorb pressure applied to the first sensor element.
  • the pressure absorbing rib consequently generates a modified first control signal having a voltage that is different from a first control signal voltage generated by deformation of the sensor material of the first sensor element in the absence of the pressure absorbing rib.
  • the control cord can further comprise a level detector arranged to distinguish between the first and second control signals based on a detected voltage level.
  • the present disclosure may provide a headset including: a control cord for connecting the headset to a portable electronic device, and arranged to remotely control the portable electronic device; an earpiece attached to one end of the cord and connected to the cord via an earpiece connector; a device connector attached to another end of the cord for connecting to a portable electronic device; and a self-powered controlling sensor provided within the cord and in electrical communication with the electronic device.
  • the self-powered controlling sensor may be arranged to control the electronic device using a generated control signal.
  • the controlling sensor comprises a sensor material.
  • the control signal may be generated by deformation of the sensor material independent of power supplied to the headset and independent of power supplied to the portable electronic device.
  • the present disclosure may provide an auxiliary device control cord for connecting an auxiliary device to a portable electronic device, and arranged to remotely control the portable electronic device as detailed in claim 11 or 12.
  • the control cord may comprise an outer shielding and a self-powered controlling sensor provided in direct contact with the outer shielding of the cord and in electrical communication with the electronic device.
  • the self-powered controlling sensor may be arranged to control the electronic device using a generated control signal.
  • the controlling sensor may comprise a sensor material.
  • the control signal can be generated by deformation of the sensor material independent of any externally supplied power.
  • the control signal can be generated independent of power supplied to the headset and independent of power supplied to the portable electronic device.
  • FIG. 2 illustrates a control cord for connecting an auxiliary device, such as a headset, to a portable electronic device according to an embodiment of the present disclosure.
  • a control cord 110 as shown in Figure 2 is for connecting a headset, or other auxiliary device, to a portable electronic device 106, and arranged to remotely control the portable electronic device 106.
  • the control cord 110 includes an auxiliary device connector 112, shown in this example as an earpiece connector, provided at one end of the control cord 110.
  • the auxiliary device 102 shown in this example as an earpiece, is connected to the control cord 110 via the auxiliary device connector 112.
  • a device connector 114 is attached to another end of the control cord 110 for connecting to the portable electronic device 106.
  • control cord 110 in Figure 1 includes a self-powered controlling sensor 116 provided within the cord and in electrical communication with the electronic device 106.
  • the self-powered controlling sensor 116 is arranged to control the electronic device 106 using a generated control signal 118.
  • Prior approaches required the use of externally supplied power to generate control signals to be sent to the device under control.
  • embodiments of the present disclosure employ a self-powered controlling sensor 116 that produces such control signals independent of any power supplied to the device or headset, such as by deformation of the material of which the controller is made.
  • Embodiments of the present disclosure provide a less complex and more realistic solution to the problem by eliminating the need for current to be externally supplied and subsequently short circuited. This approach reduces the number of components used, the number of conductors, or both, thereby permitting a less expensive implementation that can be employed in a number of instances in which no external power is supplied to, or required by, the auxiliary device. It also permits the control cord 110 of embodiments of the present disclosure to be differentiated by having a different shape with unique style.
  • a user can control the portable electronic device 106 to perform certain functions.
  • the portable electronic device 106 comprises an audio player
  • the controlling sensor can be used to change tracks, adjust volume, play or pause a current track.
  • the controlling sensor 116 comprises, or is composed of, a sensor material.
  • the control signal 118 is generated by deformation of the sensor material, independent of power supplied to the auxiliary device and independent of power supplied to the portable electronic device.
  • the controlling sensor 116 can comprise a voltage generating sensor, which is flexible, such as a piezoelectric sensor.
  • a piezoelectric sensor converts pressure into an electrical signal.
  • the sensor material comprises a piezoelectric material.
  • PI Physicalk Instrumente
  • a piezoelectric device is more reliable, and less sensitive to bending compared to existing approaches.
  • the piezoelectric sensor is a material that, when affected by a force, will change a voltage.
  • the piezoelectric sensor generates a voltage instead of a current.
  • a generated voltage is an easier way to transport a signal back to the detection circuit, and is easier to manufacture.
  • a current was either on or off and a separate wire, or wire and resistor combination, was needed for each control function. While the previous approach can be adapted to have fewer wires, more resistors are then needed.
  • the control cord 110 can include a controller region 120 and a non-controller region 122.
  • the controller region 120 has a distinctive appearance characteristic compared to the non-controller region 122.
  • the self-powered controlling sensor 116 can be provided in the controller region 120.
  • the controller region 120 can have a wider width than the non-controller region 112.
  • a wider area of the control cord can be provided with touch sensors, or piezoelectric sensors, beneath the wire shielding.
  • the controller region 120 can have a different friction characteristic than the non-controller region 122.
  • the controller region 120 includes one or more visual indicators to indicate the presence of the control sensor 116.
  • a visual indicator can include: a printed label including an image or alphanumeric representation of a function of the control sensor; or the controller region having a different color than the non-controller region.
  • a sideways triangle with two vertical lines commonly associated a play/pause functionality can be printed in the controller region 120 above a control sensor 116, or control sensor element within the control sensor, that performs such functionality.
  • small light emitting diodes LEDs
  • LEDs small light emitting diodes
  • control cord 110 generates a voltage/current based on deformation of the piezoelectric material independent of an external power supply.
  • the control cord 110 generates a control signal 118 independent of power supplied to the portable electronic device and/or power supplied to the auxiliary device or accessory which is associated with the cord.
  • An embodiment of the present disclosure provides a voltage generating sensor, which is easier to manufacture.
  • the overall device is less costly and requires fewer parts. It is not necessary to bring any current to the sensor.
  • sending current to a sensor can introduce transients having noise-like behavior on a microphone line.
  • a self-powered control sensor 116 of an embodiment the present disclosure converts mechanical work, or pressure, into electrical potential, as opposed to re-routing current, which is the known approach.
  • An advantage of embodiments of the present disclosure is the ability to use a control cable with a headset or other auxiliary device without any battery or microphone. There is no need to supply external power to the control cable, since the voltage is generated by the control sensor 116 itself, such as by way of a piezoelectric material.
  • a control cord 110 generates a control signal 118 indicating a desired control command without needing an external power supply, such that it is independent of any power supply.
  • the detection of the control signal 118 is therefore less sensitive to variations in supply.
  • the self-powered controlling sensor 116 is provided within the control cord 110 and in electrical communication with the electronic device 106.
  • the control cord 110 can include an outer cable shielding 124.
  • the self-powered controlling sensor 116 has direct contact with the outer cable shielding 124.
  • the control cord can further comprise a sensor shielding 126 in which the self-powered controlling sensor 116 is provided.
  • the sensor shielding 126 including the self-powered controlling sensor has direct contact with an interior surface of the outer cable shielding 124.
  • the sensor shielding 126 has direct contact with an exterior surface of the outer cable shielding 124.
  • the self-powered controlling sensor 116 is integrated within the outer cable shielding 124.
  • an exterior surface of the outer cable shielding 124 can comprise a physical indicator, the physical indicator positioned to indicate a location of the controlling sensor.
  • the piezoelectric material By having a piezoelectric material wrapped around, or within, the cord, the piezoelectric material will generate a voltage depending on the amount of pressure applied on it.
  • the sensor shielding can be provided as a rubber hose with the piezoelectric material, and can be provided either directly beneath or above the existing cable shielding.
  • control cord 110 When a control cord 110 according to an embodiment of the present disclosure is used to remotely control a portable electronic device, it can be advantageous to generate more than one control signal 118 as shown in Figure 1 .
  • the self-powered controlling sensor 116 is configured to generate first and second control signals.
  • the self-powered controlling sensor 116 comprises a plurality of sensor elements, each of the plurality of sensor elements configured to generate a unique control signal.
  • Figure 6 illustrates a longitudinal cross-section view of a control cord including a self-powered controlling sensor having first and second control sensor elements 128 and 130 according to the invention.
  • the first and second control sensor elements 128 and 130 are configured to generate first and second control signals 132 and 134, respectively.
  • a single control signal wire 136, or control signal electrical conductor, is arranged to transport the first and second control signals 132 and 134. This is in contrast to known approaches in which a separate electrical conductor is used to transport each different control signal.
  • each piezoelectric material In an embodiment of the present disclosure, separate areas are defined with their own piezoelectric material. In this approach, the detection mechanism is simpler. There are two leads coming out of each piezoelectric material: one of which is shown connected to the single control signal electrical conductor 136; the other is not shown and is connected to common ground. The detection mechanism looks for a certain voltage at a certain spot.
  • Embodiments of the present disclosure use a different amount of piezoelectric material to generate a different voltage, or control signal. For instance, if twice as much material is provided in sensor 1 than at sensor 2, sensor 1 will generate a voltage of 2x whereas sensor 2 generates a voltage of x. Rather than detecting a short on a plurality of wires, embodiments of the present disclosure detect a voltage and determine a control signal in response to a detected voltage level. In an embodiment, a large gap can be provided between steps of the voltage in order to more easily distinguish between generated control signals.
  • the first sensor element 128 is composed of a first amount of piezoelectric material and the second sensor element 130 is composed of a second amount of piezoelectric material.
  • the controller can differentiate between "presses" in different regions of the piezoelectric sensor by using areas of different thickness, thereby allowing multiple "buttons" along the length of the sensor-bearing cord without the need to include additional sensor pads. To differentiate between presses in different areas, different thickness of the piezoelectric material can be used.
  • the first sensor element 128 is composed of piezoelectric material having a first thickness and the second sensor element 130 is composed of piezoelectric material having a second thickness different from the first thickness.
  • the first and second sensor elements 128 and 130 have the same thickness, but different widths, accounting for the different amounts of piezoelectric material in each.
  • Figure 7 also illustrates an example of a controller region having a distinctive appearance characteristic.
  • one distinctive appearance characteristic comprises a visual indicator 138 arranged to indicate the presence of the first control sensor 128.
  • the visual indicator 138 comprises a locator rib, or a pair of locator ribs provided near outer edges of a first controller region in which the first control sensor 128 is provided.
  • the locator rib also functions as a distinctive physical characteristic, not just a distinctive visual characteristic. Small ribs can be used to change the tactile feel of a sensor area to guide a user to different functionality.
  • a second visual indicator 140 indicates the presence of the second control sensor 130 in a second controller region.
  • the second visual indicator 140 is shown in Figure 7 to protrude from the exterior surface of the outer cable shielding 124, in another embodiment the second visual indicator 140 can be printed or incorporated directly onto the exterior surface of the outer cable shielding. This provides a distinctive appearance characteristic without having a protrusion.
  • Figure 8 illustrates a longitudinal cross-section view of a control cord including a self-powered controlling sensor having first and second control sensor elements according to a further embodiment of the present disclosure.
  • This embodiment describes an approach to create different control signals from control sensor elements having substantially the same amount of piezoelectric material. This can be done, for example, by introducing plastic or rubber ribs to take some of the pressure off the piezoelectric material and by doing so changing the output voltage with the same amount of pressure.
  • the first and second sensor elements 128 and 130 are composed of a substantially similar amount of piezoelectric material.
  • the control cord 110 of Figure 8 further comprises a pressure absorbing rib 142 associated with the first sensor element 128 and arranged to absorb pressure applied to the first sensor element 128 and consequently generate a modified first control signal 144.
  • the voltage of the modified first control signal 144 is different from a voltage of a first control signal 132 (shown in Figure 6 ) generated by deformation of the sensor material of the first sensor element 128 in the absence of the pressure absorbing rib 142.
  • a different number of sensor elements and corresponding control signals can be provided.
  • one button is provided, having play/pause, or hang up, functions, or the like.
  • three sensor elements can be provided, having exemplary functions such as: play/pause; skip forward; skip backward.
  • five sensor elements and corresponding actuators or buttons can be provided with the same exemplary functions as the three-function example, plus volume up and volume down.
  • One way to implement this plurality of control actuators is to have five equivalent sensors, but then six wires are required: one with ground reference, and the five others connected to each of the sensors.
  • Another approach is to design each sensor area to create a different voltage. So, in that case, only one wire is needed, or two wires along the cord, which is advantageous.
  • a more sophisticated level detector may be employed at the other end.
  • Figure 9 illustrates an example of detection of actuation of a self-powered controlling sensor according to an embodiment of the present disclosure.
  • a level detector 146 as shown in Figure 9 can be implemented as an analog to digital converter (ADC).
  • ADC analog to digital converter
  • One output from each of the first and second sensor elements 128 and 130 is connected to ground.
  • a control signal output from the first and second sensor elements 128 and 130, arranged to transport the first and second control signals 132 and 134 (shown in Figures 6 and 7 ), respectively, is connected to, or coupled to, a single control signal wire 136, as described earlier.
  • the level detector 146 is arranged to distinguish between the first and second control signals 132 and 134 based on a detected voltage level.
  • the points at which the sensor outputs are added on the control signal wire 136 are typically positioned close to the sensor itself, though other positioning such as in Figure 9 can also be used.
  • the ADC can have an input impedance of about 50 to about 100 kOhms.
  • An ADC provides a quantized and time sampled version of the input signal.
  • the output of the ADC 146 can be in the range of about 10 mV to about 500 mV for realistic size piezo material.
  • the ADC 146 is sampling fast enough to catch the depression transient.
  • actuation of the self-powered controlling sensor can be defined as the depression and release of the sensor material. The level of the transient will then determine which key, or which sensor element, was pressed.
  • Figure 10 is a graph illustrating transients caused by actuation of a sensor element that is part of a self-powered controlling sensor according to an embodiment of the present disclosure.
  • a first transient 148 is a result of pressing, or depression of, a sensor element, such as 128 or 130 shown in Figure 9
  • the second transient 150 is a result of releasing the sensor element.
  • the transients produced in different implementations may have different shapes, amplitudes, or both, compared with those shown in Figure 10 .
  • the voltage output can be non zero.
  • Actuating a first sensor element can have an associated first voltage threshold
  • actuating a second sensor element can have an associated second voltage threshold. Pressing and holding a sensor element can produce a pulse-like voltage output response.
  • the level detector 146 of Figure 9 can be used to make determinations based on the detected voltage level.
  • the level detector 146 can be arranged to distinguish between first and second control signals in response to a detected voltage level. For example, if the detected voltage level exceeds a first voltage threshold, then the level detector 146 can determine that the first sensor element has been actuated. If the detected voltage level exceeds a second voltage threshold, then the level detector 146 can determine that the second sensor element has been actuated.
  • the level detector 146 can determine that a sensor element has been depressed but not released. This can be used to determine whether a subsequent depression detection should be disregarded, or should be treated differently.
  • the system can be designed such that maintaining depression of one sensor element while depressing another sensor element generates a different output signal, and corresponding function, than depressing either of the sensor elements individually. This can provide for an increased number of functions with the same number of sensor elements.

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  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
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  • Telephone Set Structure (AREA)

Claims (12)

  1. Cordon de commande (110) conçu pour connecter un casque d'écoute à un dispositif électronique portable (106), et agencé pour commander à distance le dispositif électronique portable (106), le cordon de commande (110) comprenant :
    un connecteur d'écouteur (112) prévu à une extrémité du cordon de commande ;
    un connecteur de dispositif (114) attaché à une autre extrémité du cordon de commande conçu pour une connexion au dispositif électronique portable ;
    un capteur de commande autoalimenté (116) prévu dans le cordon de commande (110) et en communication électrique avec le dispositif électronique portable (106), le capteur de commande (116) comprenant des premier et deuxième éléments de capteur (128, 130) configurés pour générer des premier et deuxième signaux de tension de commande (132, 134), respectivement, dans lequel le premier élément de capteur (128) est composé d'une première quantité de matériau piézoélectrique et a une première épaisseur et le deuxième élément de capteur (130) est composé d'une deuxième quantité de matériau piézoélectrique et a une deuxième épaisseur différente de la première épaisseur, la deuxième quantité de matériau piézoélectrique étant différente de la première quantité de matériau piézoélectrique, le capteur de commande (116) agencé pour commander le dispositif électronique portable (106) utilisant les premier et deuxième signaux de tension de commande (132, 134) générés, les premier et deuxième signaux de tension de commande (132, 134) étant générés par une déformation du matériau piézoélectrique indépendamment de la puissance fournie au casque d'écoute et indépendamment de la puissance fournie au dispositif électronique portable.
  2. Cordon de commande selon la revendication 1, dans lequel le cordon de commande comprend une région de contrôleur (120) et une région non de contrôleur (122), la région de contrôleur (120) ayant une caractéristique d'aspect distinctive comparée à la région non de contrôleur (122), le capteur de commande autoalimenté (116) étant prévu dans la région de contrôleur (120).
  3. Cordon de commande selon la revendication 1 ou la revendication 2, dans lequel le cordon de commande comprend un blindage de câble extérieur (124), et dans lequel le capteur de commande autoalimenté (116) est intégré dans le blindage de câble extérieur (124).
  4. Cordon de commande selon la revendication 1 ou la revendication 2, dans lequel le cordon de commande comprend un blindage de câble extérieur (124), et dans lequel le capteur de commande autoalimenté (116) est en contact direct avec le blindage de câble extérieur (124).
  5. Cordon de commande selon la revendication 4, dans lequel le capteur de commande autoalimenté (116) est en contact direct avec une surface intérieure du blindage de câble extérieur (124).
  6. Cordon de commande selon la revendication 4, dans lequel le capteur de commande autoalimenté (116) est en contact direct avec une surface extérieure du blindage de câble extérieur (124).
  7. Cordon de commande selon l'une quelconque des revendications 1 à 3, dans lequel le cordon de commande comprend en outre un indicateur physique sur une surface extérieure du cordon de commande, l'indicateur physique étant positionné pour indiquer un emplacement du capteur de commande autoalimenté.
  8. Cordon de commande selon l'une quelconque des revendications 1 à 7, comprenant en outre un fil de signal de tension de commande (136) unique agencé pour transporter les premier et deuxième signaux de tension de commande (132, 134).
  9. Cordon de commande selon l'une quelconque des revendications 1 à 8, comprenant en outre un détecteur de niveau (146) agencé pour établir une distinction entre les premier et deuxième signaux de tension de commande (132, 134) sur la base d'un niveau de tension détecté.
  10. Casque d'écoute comprenant :
    un cordon de commande selon l'une quelconque des revendications 1 à 19 conçu pour connecter le casque d'écoute au dispositif électronique portable, et agencé pour commander à distance le dispositif électronique portable ; et
    un écouteur attaché à une extrémité du cordon et connecté au cordon par l'intermédiaire du connecteur d'écouteur.
  11. Cordon de commande de dispositif auxiliaire (110) conçu pour connecter un dispositif auxiliaire à un dispositif électronique portable (106), et agencé pour commander à distance le dispositif électronique portable (106), le cordon de commande (110) comprenant :
    un blindage extérieur (124) ; et
    un capteur de commande autoalimenté (116) prévu dans le cordon de commande (110) et en communication électrique avec le dispositif électronique portable (106), le capteur de commande (116) comprenant des premier et deuxième éléments de capteur (128, 130) configurés pour générer des premier et deuxième signaux de tension de commande (132, 134), respectivement, dans lequel le premier élément de capteur (128) est composé d'une première quantité de matériau piézoélectrique et a une première épaisseur et le deuxième élément de capteur (130) est composé d'une deuxième quantité de matériau piézoélectrique et a une deuxième épaisseur différente de la première épaisseur, la deuxième quantité de matériau piézoélectrique étant différente de la première quantité de matériau piézoélectrique, le capteur de commande (116) agencé pour commander le dispositif électronique portable (106) utilisant les premier et deuxième signaux de tension de commande (132, 134) générés, les premier et deuxième signaux de tension de commande (132, 134) étant générés par une déformation du matériau piézoélectrique indépendamment de la puissance fournie au dispositif auxiliaire et indépendamment de la puissance fournie au dispositif électronique portable.
  12. Cordon de commande de dispositif auxiliaire (110) conçu pour connecter un dispositif auxiliaire à un dispositif électronique portable (106), et agencé pour commander à distance le dispositif électronique portable (106), le cordon de commande (110) comprenant :
    un blindage extérieur (124) ; et
    un capteur de commande autoalimenté (116) prévu dans le cordon de commande (110) et en communication électrique avec le dispositif électronique portable (106), le capteur de commande (116) comprenant des premier et deuxième éléments de capteur (128, 130) configurés pour générer des premier et deuxième signaux de tension de commande (132, 134), respectivement, dans lequel le premier élément de capteur (128) est composé d'une première quantité de matériau piézoélectrique et a une première épaisseur et le deuxième élément de capteur (130) est composé d'une deuxième quantité de matériau piézoélectrique et a une deuxième épaisseur différente de la première épaisseur, la deuxième quantité de matériau piézoélectrique étant différente de la première quantité de matériau piézoélectrique, le capteur de commande (116) agencé pour commander le dispositif électronique portable (106) utilisant les premier et deuxième signaux de tension de commande (132, 134) générés, les premier et deuxième signaux de tension de commande (132, 134) étant générés par une déformation du matériau piézoélectrique indépendamment de toute puissance délivrée de l'extérieur.
EP13153762.3A 2010-06-29 2010-06-29 Cordon de contrôle pour casques et dispositifs auxiliaires Active EP2603016B1 (fr)

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EP2966877B1 (fr) 2014-07-08 2017-05-17 GN Audio A/S Dispositif de commande pour dispositif électronique
KR20170087188A (ko) * 2016-01-20 2017-07-28 삼성전자주식회사 이어폰 및 이어폰과 연결된 전자 장치

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US4568851A (en) * 1984-09-11 1986-02-04 Raychem Corporation Piezoelectric coaxial cable having a helical inner conductor
US4975616A (en) * 1988-08-18 1990-12-04 Atochem North America, Inc. Piezoelectric transducer array
US7256347B2 (en) 2005-12-14 2007-08-14 Sony Ericsson Mobile Communications Ab Cord control and accessories having cord control for use with portable electronic devices
US8094673B2 (en) * 2006-04-10 2012-01-10 Microsoft Corporation Cable user interface
JP2010068299A (ja) * 2008-09-11 2010-03-25 Yamaha Corp イヤホン

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CA2744378A1 (fr) 2011-12-29
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EP2403270A1 (fr) 2012-01-04
CA2744378C (fr) 2014-09-02

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