子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 21 | アラームヘッド | JP2016600122 | 2014-04-29 | JP3209952U | 2017-04-20 | 李定為; 謝金孟; 周怡伶 |
| 【課題】アラームヘッドを提供する。 【解決手段】外輪ベース1、固定ブラケット2、拡大部3、連結リング4、圧電板5及び反射板6を含む。そのうち反射板6と外輪ベース1の内側とはある間隔を離れ、放音孔を形成し、反射板6と拡大部3とはある距離を離れて放音道を形成し、且つ拡大部3が出す音を該放音道の中に反射して該放音孔によって出し、顕著にボリュームを拡大する効果に達する。これは広く知られる他のアラーム技術と比較すると、アラームの音を更に集中させることができ、外界の環境因子に妨害されず、通報の効果を発揮する。その他、これはアラームの音をより向上させ、更に警報装置の体積を縮小し、投入する設備の数量を削減し、設置コスト及びスペースを低下させることができる。 【選択図】図1 |
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| 22 | Electric air acoustic source and system for actively controlling the noise | JP2001583500 | 2001-05-10 | JP2004501393A | 2004-01-15 | カルム，クリスチャン; プーベ，ジヤン−ローラン |
| 本発明は、振動を発生できる動電的又は電磁的駆動手段（５）、及び上記駆動手段（５）に連結されまた流れ（Ｖ）に動的作用をあたえるような形で該流れの障害となり得る少なくとも一つの機構（３）で構成されることを特徴とする電気空気音響源（２）に関する。 該電気空気音響源は、とくに拘束された流れの中で能動的に騒音を制御するための電気空気音響システムを構成するために適用することができる。 | ||||||
| 23 | JPH0313800B2 - | JP3938979 | 1979-04-03 | JPH0313800B2 | 1991-02-25 | ARAN YUUJIN HIRU |
| 24 | Converter | JP3938979 | 1979-04-03 | JPS54143225A | 1979-11-08 | ARAN YUUJIN HIRU |
| 25 | FLOW CONTROLLED SOUND GENERATION APPARATUS | US15812050 | 2017-11-14 | US20180158443A1 | 2018-06-07 | Manjirnath Chatterjee |
| A flow controlled sound generation system is disclosed that includes one or more fluid pumps to control air flow through a sound channel. The air flow is modulated through one or more valves to produce audible frequency pressure waves. | ||||||
| 26 | Retrofit self-annunciating sprinkler | US15149018 | 2016-05-06 | US09672712B1 | 2017-06-06 | William E. Akers |
| A water-powered residential fire suppression and alarm system is provided. The system comprises a sprinkler head, a water-powered alarm, a fire-resistant transfer line assembly, and a housing assembly. The sprinkler activates upon excessive heat. An unclosable channel connects the alarm with the sprinkler head. The transfer line assembly includes a fire-resistant transfer line connected the alarm and to a multi-port coupling. The multi-port coupling also connects to an existing water fixture. The transfer line assembly is unclosable. The housing assembly has a housing with a vertical span of about 3-12 inches. The sprinkler head and alarm are mounted to the housing assembly and the transfer line assembly is connected to the housing assembly. The transfer line assembly connects to the sprinkler head directly as well as through the alarm. When water is provided to the coupling and the sprinkler head activates, water flows through the transfer line, activating the alarm. | ||||||
| 27 | Acoustic wave generator employing fluid injector | US13598061 | 2012-08-29 | US09070354B2 | 2015-06-30 | Ho Ping Tseng |
| To reproduce sound in an extremely compact size, fluid injectors are used that can generate fluid flow sufficient to create a desired acoustic pressure wave, but which fluid flow operates in a manner that is decoupled from the desired acoustic pressure wave. Fluid flow within the fluid injectors needed to generate the desired acoustic pressure wave need not be directly proportional to the frequencies of the desired acoustic pressure wave. The fluid injector has a control input capable of altering fluid flow relative to a received control signal, which is generated by a controller in response to an electrical signal. The fluid injector produces fluid flow outward and inward in response to the control signal, thereby creating an acoustic wave proportional to the electrical signal. The devices herein may employ valves or not. Synthetic jets may also be used. | ||||||
| 28 | Double valve mechanism for an acoustic modulator | US397549 | 1989-08-23 | US4893655A | 1990-01-16 | Robert B. Anderson |
| A double valve mechanism which is the functioning part of an acoustic modtor which regulates airflow by creating air pressure variations. A pair of cylindrical shaped members, each of which has a plurality of elongated ports therein move relative to each other through electro-magnetic excitation. The motion of the two cylindrical shaped members is reciprocating causing the ports to first open and then close, thereby modulating the air flowing through the acoustic modulator. Linear motion of the cylindrical shaped members to displace the same port area is only one half of the linear motion required in a previous design, resulting in an acoustic energy output waveform having a frequency which is double the frequency of an electrical sinusoidal input signal supplied to the acoustic modulator. | ||||||
| 29 | Generation of low frequency sound under water | US835375 | 1959-08-21 | US4198706A | 1980-04-15 | Myron A. Elliott |
| 1. Apparatus for the generation of sound under water including a siren coising a cylindrical stator casing open at each end and having at least one radial port and a cylindrical rotor member open at each end and mounted concentrically with respect to said stator casing, said rotor member having at least one radial opening circumferentially alined with said stator port, and a gas-filled compliance chamber having an elastic rubberlike wall closing one open end of said stator casing and operative to store and release hydraulic energy. | ||||||
| 30 | Acoustic-vibration coupler | US65923157 | 1957-05-15 | US2859726A | 1958-11-11 | BOUYONCOS JOHN V; HUNT FREDERICK V |
| 31 | Air horn | US4768535 | 1935-10-31 | US2101385A | 1937-12-07 | HARALD EKMAN OLOF INGEMAR |
| 32 | Sound producing device | US52844931 | 1931-03-27 | US1844226A | 1932-02-09 | NORTHEY RODNEY V |
| 33 | Siren rotor | US47415730 | 1930-08-09 | US1792858A | 1931-02-17 | MILES LESTER H |
| 34 | Siren rotor | US38724729 | 1929-08-20 | US1772614A | 1930-08-12 | MILES LESTER H |
| 35 | Ship siren | US56931822 | 1922-06-19 | US1459220A | 1923-06-19 | KRAUSE JOHN J |
| 36 | PNEUMATIC SOUNDER AND CONTROL SYSTEM THEREOF | US15580268 | 2015-11-04 | US20180166055A1 | 2018-06-14 | RONGCHU ZHANG; QINGXIAN QI |
| “A pneumatic sounder and a control system thereof are disclosed. The pneumatic sounder comprises double magnets and a double-moving coil assembly. The double magnets comprise a first magnet and a second magnet, and the double-moving coil assembly comprises a first moving coil and a second moving coil. The first moving coil is disposed in a magnetic field of the first magnet, and the second moving coil is disposed in a magnetic field of the second magnet. The first moving coil and the second moving coil are connected to an electrical signal control system respectively, and a control system for the pneumatic sounder is also provided. The sounder greatly enhances adjustment efficiency of a cutting seam, reduces energy consumption for driving moving coils, guarantees services lives of the moving coils, and increases reliability of a system.” | ||||||
| 37 | ACOUSTIC WAVE GENERATOR EMPLOYING FLUID INJECTOR | US13598061 | 2012-08-29 | US20140064036A1 | 2014-03-06 | Ho Ping Tseng |
| To reproduce sound in an extremely compact size, fluid injectors are used that can generate fluid flow sufficient to create a desired acoustic pressure wave, but which fluid flow operates in a manner that is decoupled from the desired acoustic pressure wave. Fluid flow within the fluid injectors needed to generate the desired acoustic pressure wave need not be directly proportional to the frequencies of the desired acoustic pressure wave. The fluid injector has a control input capable of altering fluid flow relative to a received control signal, which is generated by a controller in response to an electrical signal. The fluid injector produces fluid flow outward and inward in response to the control signal, thereby creating an acoustic wave proportional to the electrical signal. The devices herein may employ valves or not. Synthetic jets may also be used. | ||||||
| 38 | Electro-aero-acoustic source and system for active noise control | US10275507 | 2002-12-12 | US20040086136A1 | 2004-05-06 | Jean-Laurent Peube; Christian Carme |
| The invention relates to an electroaeroacoustic source (2) placed in a flow (V) or at the edge of a flow, consisting of an electrodynamic or electromagnetic motor means (5) generating an oscillating motion, and an element (3) coupled to the motor means (5) obstructing the flow so as to exert a dynamic action on said flow. This source can be used to produce an electroaeroacoustic system for the active noise control, particularly in a confined flow. | ||||||
| 39 | Sound production using large volume plasmas | US893667 | 1978-04-05 | US4219705A | 1980-08-26 | Alan E. Hill |
| Apparatus for use in producing sound waves directly from electrical-acoustical and thermal acoustical energy. The invention embodies precisely controlled large volume plasmas which are capable of radiating very high levels of sound energy. | ||||||
| 40 | Downhole seismic source | US652262 | 1976-01-26 | US4040003A | 1977-08-02 | Pierre A. Beynet; John B. Farr; Newell Pottorf |
| A downhole seismic source for use when drilling a borehole in the earth using a rotating drill string through which a drilling fluid is circulated. In one embodiment, a section of the drill string has a slot in it and a sleeve rotatably surrounding the slot with a plurality of spaced-apart slots arranged to align with the slot in section of drill pipe during rotation of the sleeve with respect to the section. In operation this generates a controlled seismic signal. In another embodiment the bit is modified to have a fluid passage with a valve therein that opens and closes in a selected pattern during rotation of the drill bit. | ||||||
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