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US 11,336,995 B2Granted
Directional acoustic radiating device
AssigneeBose Corporation
InventorsRoman N. Litovsky, Chester Smith Williams
Life of this patent
Estimating the term…
Abstract
A system includes a micro-mobility device that is configured to support a user on a mechanical structure of the micro-mobility device and a directional acoustic radiating device carried by the mechanical structure of the micro-mobility device and comprising a first acoustic driver that is acoustically coupled to a first passive directional device so as to radiate acoustic energy into the first passive directional device. The first passive directional device comprises an opening in a perimeter of the first passive directional device that extends along a length of the first passive directional device and through which acoustic energy is radiated to an environment to provide a direction of maximum radiation of the first passive directional device.
Claims19
A system, comprising:
- a micro-mobility device that comprises a deck that is configured to support a user and a tubular handlebar stem with an interior, and extending upward of the deck to an upper end spaced farthest from the deck, the stem having a length, lying along a stem longitudinal axis, and having an elongated opening along its length;
- and
- an elongated directional acoustic radiating device carried by the stem of the micro-mobility device and comprising a first acoustic driver that is acoustically coupled to an interior of a first passive directional device so as to radiate acoustic energy into the interior of the first passive directional device at an end of the first passive directional device that is closest to the deck of the micro-mobility device, wherein the first passive directional device is located in the interior of the stem with a distal end located proximate the upper end of the handlebar stem and comprises a top member that defines a long, narrow continuous or non-continuous sound-emitting opening along a length of the first passive directional device and that is aligned with the elongated stem opening, wherein acoustic energy from the sound-emitting opening is radiated into an environment proximate the stem, to provide a direction of maximum radiation of the first passive directional device that is generally parallel to the longitudinal axis of the stem and pointed toward a location above the stem, and wherein the top member of the first passive directional device further defines a recess into which the stem proximate the elongated stem opening is configured to fit.
A system, comprising:
- a micro-mobility device that comprises a deck that is configured to support a user and a tubular handlebar stem with an interior, and extending upward of the deck to an upper end spaced farthest from the deck, the stem having a length, lying along a stem longitudinal axis, and having an elongated opening along its length;
- and
- an assembly carried by the stem of the micro-mobility device, the assembly comprising
- a first acoustic driver that is acoustically coupled to an interior of a first passive directional device at an end of the first passive directional device that is closest to the deck of the micro-mobility device so as to radiate acoustic energy into the interior of the first passive directional device, wherein the first passive directional device is located in the interior of the stem with a distal end located proximate the upper end of the handlebar stem and comprises a top member that defines a long, narrow continuous or non-continuous sound-emitting opening along a length of the first passive directional device and that is aligned with the elongated stem opening, wherein acoustic energy is radiated into an environment proximate the stem, to provide a direction of maximum radiation of the first passive directional device that is generally parallel to the longitudinal axis of the stem and pointed toward a location above the stem, and wherein the top member of the first passive directional device further defines a recess into which the stem proximate the elongated stem opening is configured to fit, and
- a second acoustic driver that is acoustically coupled to an interior of a second passive directional device at an end of the second passive directional device that is closest to the deck of the micro-mobility device so as to radiate acoustic energy into the interior of the second passive directional device, wherein the second passive directional device comprises a long, narrow continuous or non-continuous sound-emitting opening along a length of the second passive directional device and that extends along part of the length of the stem, wherein acoustic energy is radiated into the environment proximate the stem, to provide a direction of maximum radiation of the second passive directional device that is generally parallel to the longitudinal axis of the stem and pointed toward a location above the stem;
- and
- a controller that is configured to manipulate a phase of the acoustic energy radiated by the first and second drivers.
4 more elements
Dependencies are inferred from the claim text.