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 蜂鸣器电路 CN201410179575.4 2014-04-30 CN105096929A 2015-11-25 黄永兆
一种蜂鸣器电路,连接一驱动电路,所述蜂鸣器电路包括一蜂鸣器、第一及第二电阻以及第一及第二电子开关。本发明蜂鸣器电路通过恒定所述第一电阻两端的电压,以在所述驱动电路驱动所述蜂鸣器时恒定流过所述蜂鸣器的电流大小,从而稳定所述蜂鸣器工作时的声音。
22 换能器和对象信息获取装置 CN201410326449.7 2014-07-10 CN104281772A 2015-01-14 竹内英司; 秋山贵弘; 虎岛和敏
一种换能器和对象信息获取装置,该换能器包括:多个元件,每个元件包括至少一个单元,所述至少一个单元被构造为使得包括被设置为经由空隙而彼此面对的第一电极和第二电极中的一个电极的振动膜被能够振动地支撑;偏置布线,用于将偏置电压供给第一电极以提供第一电极与第二电极之间的电势差,并且用于将所述元件的第一电极彼此电连接;以及信号布线,每个信号布线连接到多个元件中的不同的一个元件。偏置布线包括:多个支路布线,多个支路布线中的每个连接有所述元件中的一部分的第一电极;多个第一公共布线,用于将支路布线彼此连接;以及第二公共布线,用于将第一公共布线彼此连接。
23 一种智能电子喇叭及其实现方法 CN201210291323.1 2012-08-16 CN103500574A 2014-01-08 万喻
发明涉及一种智能电子喇叭及其实现方法,该方法包括:检测电子喇叭当前的工作气压、工作温度和供电电压中的一个或多个;根据检测结果计算出补偿控制参数;根据所述补偿控制参数对电子喇叭的驱动信号进行补偿控制;以及用补偿控制后的驱动信号驱动电子喇叭发声。本发明通过对电子喇叭的工作气压、温度和供电电压进行检测,根据检测数值用预先建立的数学模型进行计算,对电子喇叭的驱动信号的频率和脉冲宽度进行补偿控制,使得电子喇叭能够在气压和温度变化的情况下以最符合当前环境的信号功率驱动,达到不同环境条件下几乎一致的最佳发声效果。
24 用于机动车的多功能带 CN201210303006.7 2012-08-23 CN102951098A 2013-03-06 B·尼科尔; M·哈尔姆; S·施瓦策; C·温克尔曼; R·安格米勒; C·布伦德尔; C·施米茨; J·D·罗伊舍尔; T·乌尔班
发明涉及一种用于机动车(10)的多功能带(12),所述多功能带设计为用于所述机动车(10)的车身(14)的带状装饰件,且利用所述多功能带可输出第一信息和与所述第一信息无关的第二信息。
25 声波检查装置 CN200880001377.1 2008-01-24 CN101622534B 2012-07-04 武石雅之; 岛崎正则; 由井正弘; 平山智之
提供一种声波检查装置,其通过利用激光而谋求装置小型化,同时能够防止被检体劣化、变形,并且能够进行范围广泛的优良的检查。提供一种超声波检查装置(1),具有激光装置(5)及体积检查用超声波发送部(17),该激光装置(5)发射激光;该体积检查用超声波发送部(17)具有被照射该激光装置(5)所发射的激光而产生超声波C的发送振膜(39),将该体积检查用超声波发送部(17)的发送振膜(39)产生的超声波(C)照射到被检体上进行检查。另外,提供一种进行混合检查的超声波检查装置(1),其增加具备表面检查用超声波发送部(19),以能够进行体积检查和表面检查这样性格不同的检查即混合检查。
26 声波检查装置 CN200880001377.1 2008-01-24 CN101622534A 2010-01-06 武石雅之; 岛崎正则; 由井正弘; 平山智之
提供一种声波检查装置,其通过利用激光而谋求装置小型化,同时能够防止被检体劣化、变形,并且能够进行范围广泛的优良的检查。提供一种超声波检查装置(1),具有激光装置(5)及体积检查用超声波发送部(17),该激光装置(5)发射激光;该体积检查用超声波发送部(17)具有被照射该激光装置(5)所发射的激光而产生超声波C的发送振膜(39),将该体积检查用超声波发送部(17)的发送振膜(39)产生的超声波(C)照射到被检体上进行检查。另外,提供一种进行混合检查的超声波检查装置(1),其增加具备表面检查用超声波发送部(19),以能够进行体积检查和表面检查这样性格不同的检查即混合检查。
27 非柱面声波装置 CN02817924.2 2002-09-11 CN1555551A 2004-12-15 莫什·艾因-加尔
一种声波装置,包括一非柱面和无尖端的声波振子,适配得可生成声波并设置得沿着纵向轴线,以及一反射器,相对于振子配置得以致可将振子发出的声波聚焦到聚焦点。
28 电-机-声转换器及采用该转换器的电-机-声转换装置 CN99801047.2 1999-06-29 CN1273541A 2000-11-15 榎本光高; 平田雅国; 福山敬则; 久世光一
一种应用于移动电话之类的移动终端,用以产生寻呼振动实现稳定的振动功能的电—机—声转换器和采用该转换器的电—机—声转换装置。该电—机—声转换器包括壳体(1a),形成磁路、通过悬挂体(3)安装在壳体(1a)的开口上的活动部件(2),设置在活动部件(2)附近,用以通过活动部件(2)的振动产生激励电压的检测线圈(11)。共振期间,活动部件(2)的强烈振动由检测线圈(11)作为激励电压检测并反馈。由此实现即便共振频率因环境温度之类的环境变化而改变时,也具有非常稳定的振动功能的电—机—声转换器及采用该转换器的电—机—声转换装置。
29 电喇叭稳频发声的控制方法及装置 CN98807769.8 1998-07-28 CN1265769A 2000-09-06 万喻
单片机实现并构成的控制电喇叭稳频发声的方法及装置。特征是:稳频振荡器输出的频率脉冲用单片机按每只喇叭的固有谐振频率进行校正(精度可达±0.05Hz),这样喇叭在电子驱动信号驱动下可在最佳的状态工作,驱动信号的占空比可根据不同喇叭的发音特点在1~99%范围内任意调节。解决了有触点喇叭及现有各种电子喇叭受机车电压或环境温度影响而导致的喇叭变音和声级下降缺点。也可作为频率及脉宽可调的信号源使用。
30 MEMS MICROPHONE US15743509 2017-05-25 US20190028814A1 2019-01-24 Junkai ZHAN; Mengjin CAI; Zonglin ZHOU
An MEMS microphone is disclosed, which comprises a substrate and a vibrating diaphragm and a back electrode which are located above the substrate, a plurality of comb tooth parts are formed in edge positions of the vibrating diaphragm, and the plurality of comb tooth parts are distributed in a peripheral direction of the vibrating diaphragm at intervals, wherein a position between every two adjacent comb tooth parts on the vibrating diaphragm is connected to the substrate via an insulating layer; and the comb tooth parts on the vibrating diaphragm are at least partially overlapped with the substrate, and a clearance exists between the comb tooth parts and the substrate and is configured as an airflow circulation channel. The microphone of the present invention has better impact resistance and can avoid intrusion of dust.
31 VIBRATION SOUNDING DEVICE US15842136 2017-12-14 US20180374465A1 2018-12-27 Hongxing Wang; Shun Guo
A vibration sounding device, including a screen, a rear cover arranged opposite to the screen, a border for supporting the screen and the rear cover, and a drive unit; wherein the border is perpendicular to the screen; the border comprises an internal surface perpendicular to the screen, an external surface arranged opposite to the internal surface, an upper surface and a lower surface, the upper surface and the lower surface connect the internal surface with the external surface, the upper surface is arranged opposite to the lower surface and is close to the screen, and the lower surface is close to the rear cover; and wherein the drive unit is fixed on the internal surface, and the drive unit drives the screen and/or the rear cover to vibrate and sound by the border. The vibration sounding device is favorable for thinning and miniaturization of the product.
32 SOUND GENERATING DEVICE US15755578 2016-08-25 US20180262824A1 2018-09-13 Susumu MIYATA; Koshiro HAYAKAWA
In a sound generating device, a connection terminal made of a metal plate material electrically connected to an external equipment has a groove portion in a portion protruding inward of a base. A terminal fitting made of a metal plate material and electrically connected to the sounding body includes a terminal fitting main body that is mechanically joined to the sounding body, and a protrusion plate portion that extends from the terminal fitting main body portion and is press-fitted to the groove portion. The protrusion plate portion press-fitted to the groove portion of the connection terminal is provided integrally with the terminal fitting.
33 SOUND SOURCE DEVICE OF HORN US15761072 2017-03-06 US20180257559A1 2018-09-13 Hisanobu Ino; Ikuyo Ohsugi; Noriyuki Nabeshima
A sound source device of a horn according to one aspect of the present invention includes: a diaphragm; a movable iron core connected to the diaphragm through a support point; and a coil (bobbin and winding) into which a driving signal is inputted. The driving signal includes a first signal component that resonates with the diaphragm and a second signal component of a second frequency that resonates with the movable iron core of a first frequency and has a chord relationship with the first frequency. The support point is provided at a position eccentric from the center of the diaphragm, and the movable iron core is structured such that a gravity center is displaced further in an eccentric direction than the support point.
34 Electrostatic capacitance transducer, probe, and subject information acquiring device US14327384 2014-07-09 US09953625B2 2018-04-24 Atsushi Kandori
An electrostatic capacitance transducer includes: multiple elements each having a cell including a first electrode, and a vibrating film including a second electrode, formed across a gap from the first electrode; a first flexible printed circuit having multiple first lines; and a second flexible printed circuit having multiple second lines. Part of the multiple elements are grouped into a first element group, each one thereof being electrically connected to a different one of the first lines. Part of the multiple elements other than the first element group are grouped into a second element group, each one thereof being electrically connected to a different one of the second lines. The intervals between adjacent lines in at least part of the plurality of first and second lines are wider at an opposite side from a connection side where the lines have been connected to the multiple elements, than at the connection side.
35 Tone generation US14162296 2014-01-23 US09900705B2 2018-02-20 Scott Cassidy; Lonnie Moravetz; David L. Corey; Robert Steiert
A tone generation system includes a square wave signal generator configured to generate a first series of square wave signals to replicate a fundamental frequency of a desired mechanical tone, and a second series of square waves signals to replicate a second harmonic of the desired mechanical tone. An amplifier is configured to receive the first and second series of square waves, and a speaker is connected to receive an output signal from the amplifier.
36 CMOS ultrasonic transducers and related apparatus and methods US15349223 2016-11-11 US09895718B2 2018-02-20 Jonathan M. Rothberg; Keith G. Fife; Tyler S. Ralston; Gregory L. Charvat; Nevada J. Sanchez
CMOS Ultrasonic Transducers and processes for making such devices are described. The processes may include forming cavities on a first wafer and bonding the first wafer to a second wafer. The second wafer may be processed to form a membrane for the cavities. Electrical access to the cavities may be provided.
37 ULTRASONIC SENSOR DEVICE FOR A MOTOR VEHICLE, DRIVER ASSISTANCE SYSTEM, AND MOTOR VEHICLE US15327210 2015-07-08 US20170160386A1 2017-06-08 Paul-David Rostocki; Heinrich Gotzig
The invention relates to an ultrasonic sensor device (1) for a motor vehicle, comprising an ultrasonic diaphragm (13), comprising a servomechanism (4), by means of which the ultrasonic diaphragm (13) can be moved in order to emit an ultrasonic signal, and comprising control electronics (12) for controlling the servomechanism (4), wherein the control electronics (12) are designed as an integrated circuit and are situated directly on the servomechanism (4).
38 CMOS ULTRASONIC TRANSDUCERS AND RELATED APPARATUS AND METHODS US15349223 2016-11-11 US20170056926A1 2017-03-02 Jonathan M. Rothberg; Keith G. Fife; Tyler S. Ralston; Gregory L. Charvat; Nevada J. Sanchez
CMOS Ultrasonic Transducers and processes for making such devices are described. The processes may include forming cavities on a first wafer and bonding the first wafer to a second wafer. The second wafer may be processed to form a membrane for the cavities. Electrical access to the cavities may be provided.
39 Buzzer output control device and buzzer output control method US14647256 2013-09-17 US09583089B2 2017-02-28 Norihiro Nagashima; Sou Sawada
Provided is a buzzer that sounds without noise contamination. Specifically, an inaudible frequency signal generation unit 22 generates an inaudible frequency pulse signal P0; an audio frequency signal generation unit 26 generates, from the signal P0, an audio frequency pulse signal P1: a signal synthesizing unit 28 generates a synthesized frequency pulse signal P2 having the signal P0 in an ON time of the signal P1; a first duty ratio setting unit 30 sets a duty ratio Di of the signal P0 in the signal P2 to gradually increase over a first predetermined period of the signal P2, and thus generates a buzzer driving signal P3; and a buzzer driving unit 40 makes a buzzer 60 sound with a pitch corresponding to a frequency of the signal P3 and volume corresponding to the duty ratio of the signal P3.
40 CMOS ultrasonic transducers and related apparatus and methods US14172383 2014-02-04 US09499392B2 2016-11-22 Jonathan M. Rothberg; Keith G. Fife; Tyler S. Ralston; Gregory L. Charvat; Nevada J. Sanchez
CMOS Ultrasonic Transducers and processes for making such devices are described. The processes may include forming cavities on a first wafer and bonding the first wafer to a second wafer. The second wafer may be processed to form a membrane for the cavities. Electrical access to the cavities may be provided.
QQ群二维码
意见反馈