# US 2019/0356973 A1 · Ultrasonic wave output device

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- Number: US 2019/0356973 A1
- Document ID: US20190356973A1
- Status: Published application
- Kind: A1
- Application number: 16/524,346
- Filed: 2019-07-29
- Published: 2019-11-21
- Earliest claimed: 2017-02-01
- Assignees: Denso Corporation
- Applicants: Denso Corporation
- Inventors: Toshiaki NAKAYAMA
- Web page: https://patentgrep.com/patent/US20190356973A1

## CPC

- H04R 1/02: Casings; Cabinets {; Supports therefor;} Mountings therein (H04R1/28 takes precedence {; attachments for microphones H04R1/08; mounting of transducers in earpieces H04R1/1075})
- H04R 1/025: {Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture}
- B06B 1/02: making use of electrical energy (B06B1/18, B06B1/20 take precedence)
- H04R 1/227: {using transducers reproducing the same frequency band}
- B06B 3/00: Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- H04R 2201/029: Manufacturing aspects of enclosures transducers
- H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K)
- B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R)

## Abstract

An ultrasonic wave output device includes a plurality of ultrasonic wave output units, a hold unit, and a tubular unit. The plurality of ultrasonic wave output units output ultrasonic waves in a traveling direction set in advance in response to an input signal. The hold unit holds the plurality of ultrasonic wave output units. The tubular unit surrounds the plurality of ultrasonic wave output units in a direction orthogonal to the traveling direction. The tubular unit is connected to the hold unit.

## Claims

### Claim 1

An ultrasonic wave output device comprising:
a plurality of ultrasonic wave output units configured to output ultrasonic waves in a traveling direction set in advance in response to an input signal;
a hold unit that holds the plurality of ultrasonic wave output units; and
a tubular unit that surrounds the plurality of ultrasonic wave output units in a direction orthogonal to the traveling direction, and connected to the hold unit,
wherein:
the tubular unit has an inner wall of which a cross sectional shape corresponds to a shape of an outer wall of the plurality of ultrasonic wave output units that are arranged; and
the plurality of ultrasonic wave output units are arranged not to have a gap between adjacent two of the plurality of ultrasonic wave output units.

### Claim 2 (depends on 1)

The ultrasonic wave output device according to claim 1, further comprising
a buffer member arranged between the plurality of ultrasonic wave output units and the hold unit, and made of a material softer than the hold unit.

### Claim 3 (depends on 1)

The ultrasonic wave output device according to claim 1, further comprising:
a support unit that supports the hold unit; and
a vibration suppression member arranged between the hold unit and the support unit, and made of a material softer than a material of the hold unit.

### Claim 4 (depends on 1)

The ultrasonic wave output device according to claim 1, wherein the tubular unit has a length in the traveling direction from the hold unit to an end of the tubular unit equal to or less than a length from the hold unit to a sound wave output surface of each of the plurality of ultrasonic wave output units.