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KR-102962235-B1 - Sensor assembly and electronic device using the same

KR102962235B1KR 102962235 B1KR102962235 B1KR 102962235B1KR-102962235-B1

Abstract

A sensor assembly and an electronic device using the same are disclosed. The disclosed sensor assembly includes a first electrode portion in which a plurality of slide touch electrodes are arranged in a line with respect to each other, a second electrode portion in which a force touch electrode is arranged and connected to the first electrode portion, and an electrode body portion including a bending portion formed between the first electrode portion and the second electrode portion, wherein the bending portion is bent so that the first electrode portion and the second electrode portion face each other, and an elastic body is interposed between the first electrode portion and the second electrode portion facing each other, wherein the plurality of slide touch electrodes cause a change in capacitance by touch of a part of a user's body, and the force touch electrode overlaps with one or more of the plurality of slide touch electrodes as the bending portion is bent, and the distance between the force touch electrode and the overlapped slide touch electrode changes due to touch pressure, thereby causing a change in capacitance between the force touch electrode and the overlapped slide touch electrode.

Inventors

  • 진병수

Assignees

  • 주식회사 아모센스

Dates

Publication Date
20260511
Application Date
20230906

Claims (18)

  1. An electrode body comprising a first electrode portion in which a plurality of slide touch electrodes are arranged in a mutual line, a second electrode portion in which a force touch electrode is arranged and connected to the first electrode portion, and a bending portion formed between the first electrode portion and the second electrode portion; and Includes an elastic body; The bending portion is bent so that the first electrode portion and the second electrode portion face each other, and the elastic body is interposed between the first electrode portion and the second electrode portion facing each other. The above plurality of slide touch electrodes cause a change in capacitance by touch of a part of the user's body, and The force touch electrode overlaps with one or more of the plurality of slide touch electrodes as the bending portion is bent, and The above force touch electrode changes the distance from the overlapping slide touch electrode due to touch pressure, causing a change in capacitance between it and the overlapping slide touch electrode, and The above electrode body further includes a ground electrode, and The ground electrode is disposed in the vicinity of the plurality of slide touch electrodes and the force touch electrode, Sensor assembly.
  2. In Article 1, The number of force touch electrodes is less than the number of slide touch electrodes. Sensor assembly.
  3. In Paragraph 2, The above force touch electrode is one, and The aforementioned force touch electrode overlaps with the electrode located in the center among the plurality of slide touch electrodes, Sensor assembly.
  4. In Paragraph 3, The electrode located in the center among the plurality of slide touch electrodes and the single force touch electrode are, Opposite to the center of the above elastic body, Sensor assembly.
  5. In Paragraph 2, The above force touch electrode is one, and The above-mentioned force touch electrode includes the electrode located in the center among the plurality of slide touch electrodes and overlaps with two or more electrodes. Sensor assembly.
  6. delete
  7. In Article 1, The above grounding electrode is, A plurality of slide touch electrodes spaced apart from the force touch electrodes and the force touch electrodes, arranged to surround the space between two mutually adjacent slide touch electrodes, the circumference of each of the plurality of slide touch electrodes, and the circumference of the force touch electrode. Sensor assembly.
  8. In Article 1, The plurality of slide touch electrodes and the force touch electrodes are formed on a flexible circuit board, Sensor assembly.
  9. In Article 1, The above electrode body is, Wiring for connecting the plurality of slide touch electrodes to a sensor controller and wiring for connecting the force touch electrodes to the sensor controller, Sensor assembly.
  10. In Article 9, The wiring connecting the above force touch electrode to the sensor controller is, The bending part that is bent together when the above bending part is bent, Sensor assembly.
  11. In Article 9, The above sensor controller is, Recognizing a changing capacitance value from the plurality of slide touch electrodes and performing corresponding operation control, Sensor assembly.
  12. In Article 9, The above sensor controller is, Recognizing a capacitance value that changes between the force touch electrode and the slide touch electrode superimposed on the force touch electrode, and performing corresponding operation control. Sensor assembly.
  13. In Article 1, The second electrode portion above is, A portion of the electrode body located closer to the end than the first electrode portion, Sensor assembly.
  14. Housing including a cavity; and A sensor assembly installed within the above cavity; comprising The above sensor assembly is, An electrode body comprising a first electrode portion in which a plurality of slide touch electrodes are arranged in a mutual line, a second electrode portion in which a force touch electrode is arranged and connected to the first electrode portion, and a bending portion formed between the first electrode portion and the second electrode portion; and Includes an elastic body; The bending portion is bent so that the first electrode portion and the second electrode portion face each other, and the elastic body is interposed between the first electrode portion and the second electrode portion facing each other. The above plurality of slide touch electrodes cause a change in capacitance by touch of a part of the user's body, and The force touch electrode overlaps with one or more of the plurality of slide touch electrodes as the bending portion is bent, and The above force touch electrode changes the distance from the overlapping slide touch electrode due to touch pressure, causing a change in capacitance between it and the overlapping slide touch electrode, and The above electrode body further includes a ground electrode, and The ground electrode is disposed in the vicinity of the plurality of slide touch electrodes and the force touch electrode, Electronic devices.
  15. In Paragraph 14, The above plurality of slide touch electrodes are, Installed closer to the housing than the force touch electrode, Electronic devices.
  16. Housing including a cavity; and A sensor assembly installed within the above cavity; comprising The above sensor assembly is, An electrode body comprising a first electrode portion in which a plurality of slide touch electrodes are arranged in a mutual line, a second electrode portion in which a force touch electrode is arranged and connected to the first electrode portion, and a bending portion formed between the first electrode portion and the second electrode portion; and Includes an elastic body; The bending portion is bent so that the first electrode portion and the second electrode portion face each other, and the elastic body is interposed between the first electrode portion and the second electrode portion facing each other. The above plurality of slide touch electrodes cause a change in capacitance by touch of a part of the user's body, and The force touch electrode overlaps with one or more of the plurality of slide touch electrodes as the bending portion is bent, and The above force touch electrode changes the distance from the overlapping slide touch electrode due to touch pressure, causing a change in capacitance between it and the overlapping slide touch electrode, and The thickness of one side of the above housing is, Thinner than the thickness of the other side of the above housing, Electronic devices.
  17. Housing including a cavity; and A sensor assembly installed within the above cavity; comprising The above sensor assembly is, An electrode body comprising a first electrode portion in which a plurality of slide touch electrodes are arranged in a mutual line, a second electrode portion in which a force touch electrode is arranged and connected to the first electrode portion, and a bending portion formed between the first electrode portion and the second electrode portion; and Includes an elastic body; The bending portion is bent so that the first electrode portion and the second electrode portion face each other, and the elastic body is interposed between the first electrode portion and the second electrode portion facing each other. The above plurality of slide touch electrodes cause a change in capacitance by touch of a part of the user's body, and The force touch electrode overlaps with one or more of the plurality of slide touch electrodes as the bending portion is bent, and The above force touch electrode changes the distance from the overlapping slide touch electrode due to touch pressure, causing a change in capacitance between it and the overlapping slide touch electrode, and The center of the above elastic body is, A portion disposed in the cavity at a portion corresponding to the center of the housing. Electronic devices.
  18. In Paragraph 14, The above housing is, The housing of the earphone stem, Electronic devices.

Description

Sensor assembly and electronic device using the same The present invention relates to a sensor assembly and an electronic device using the same, and more specifically, to a sensor assembly capable of slide touch and force touch and an electronic device using the same. Recently, wireless earphones have been gaining strength over wired earphones. The representative unit shapes of wireless earphones are classified into the stem type, also known as the "bean sprout" type, and the stemless type, which resembles a round pebble, depending on the presence or absence of a stem. Such wireless earphones employ a capacitive slide touch sensor or a force touch sensor. Alternatively, wireless earphones may employ a strain sensing sensor. The matters described in the background technology above are intended to aid in understanding the background of the invention and may include matters that are not disclosed prior art. FIG. 1 is a drawing for explaining a slide touch for a sensor assembly according to an embodiment of the present invention. FIGS. 2 and FIGS. 3 are drawings for explaining force touch for a sensor assembly according to an embodiment of the present invention. FIG. 4 is an exploded view of a sensor assembly according to an embodiment of the present invention. Figure 5 is a drawing showing the case where the adhesive member and the elastic body shown in Figure 4 are combined. Figure 6 is a diagram showing the case where each configuration of the sensor assembly illustrated in Figure 5 is combined. Figure 7 is a cross-sectional view of line AA of Figure 6. FIGS. 8 to 10 are drawings showing variations of embodiments of the present invention. The present invention is capable of various modifications and may have various embodiments, and specific embodiments are illustrated in the drawings and described in detail. However, this is not intended to limit the invention to specific embodiments, and it should be understood that it includes all modifications, equivalents, and substitutions that fall within the spirit and scope of the invention. The terms used in this application are used merely to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, terms such as "comprising" or "having" are intended to specify the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof. Furthermore, terms such as "part" or "module" described in the specification refer to a unit that processes at least one function or action, which may be implemented in hardware or software, or a combination of hardware and software. Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in this application. Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings. In order to facilitate an overall understanding of the present invention, the same reference numerals are used for identical components in the drawings, and redundant descriptions of identical components are omitted. The sensor assembly according to the present invention may be used as a substitute for an operation button for controlling the operation of earphones, touch displays, Bluetooth headsets, etc. Additionally, the sensor assembly according to the present invention may be used as a substitute for volume and power switches of a laptop. In the following description, the sensor assembly according to the present invention is described under the assumption that it is employed in an electronic device such as an earphone (e.g., a Bluetooth earphone). FIG. 1 is a drawing for explaining a slide touch for a sensor assembly according to an embodiment of the present invention, and FIG. 2 and FIG. 3 are drawings for explaining a force touch for a sensor assembly according to an embodiment of the present invention. In FIGS. 1 and 2, the earphone (10) may include a head including a speaker (not shown) and a stem (12) of a predetermined length formed downward from the bottom of the head. A cavity is formed inside the housing of the stem (12), and the sensor assembly (SA) according to the present invention can be installed within the cavity formed by the housing of the stem (12). Here, although the cavity is not separately indicated and no separate