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 |
|---|---|---|---|---|---|---|
| 101 | Impact wave generator | JP2001486 | 1986-01-31 | JPS61181454A | 1986-08-14 | HERUMUUTO RAIHIENBERUGAA |
| 102 | Impact wave tube | JP1357186 | 1986-01-24 | JPS61176335A | 1986-08-08 | GEORUKU NAAZAA; HERUMUUTO RAIHIENBERUGAA; KAARU HAINTSU SHIYUREE |
| 103 | JPS60175212U - | JP6312685 | 1985-04-26 | JPS60175212U | 1985-11-20 | |
| 104 | Electromagnetic alarm | JP13786779 | 1979-10-26 | JPS5560997A | 1980-05-08 | BERUTORAN AA WANORU |
| 105 | Alarm sound producing device | JP11454375 | 1975-09-22 | JPS5238259A | 1977-03-24 | MURAKAMI FUMIKAZU |
| PURPOSE: To cause drive frequencies for alarm sound to be gradually changed by using transducer having a resonance point, thereby producing effective alarm sound. COPYRIGHT: (C)1977,JPO&Japio | ||||||
| 106 | MULTI-FREQUENCY ALARM FOR EMITTING NARROW BAND NOISE | PCT/US2013058906 | 2013-09-10 | WO2014040021A2 | 2014-03-13 | JUEL GRANT |
| A multi-frequency alarm (10) generates a narrow band noise (MFA-87, -97, 102, -107) warning of a presence of a vehicle. The alarm includes noise signal circuitry (30) generating a pseudorandom bit stream to produce a noise signal that exhibits a multi-frequency spectrum; an active low-pass filter (40) receiving the noise signal and producing a narrow band noise signal, the active low-pass filter configured to establish for the narrow band noise signal spectral characteristics exhibiting a high-frequency noise signal magnitude roll-off that attenuates frequencies greater than 4 kHz; an audio amplifier (50) producing an amplified narrow band noise signal; and an audio speaker (60) responsive to the amplified narrow band noise signal and configured to emit narrow band noise sound derived from the narrow band noise signal. | ||||||
| 107 | ELECTRONIC HORN HAVING SIMULATED START AND END SOUNDS | PCT/US2008001338 | 2008-01-31 | WO2008094677A3 | 2009-12-17 | ZIMMERMANN DANIEL E |
| An electronic horn (100) for a vehicle is disclosed. The electronic horn may have a speaker (216), a primary power source (102), and a secondary power source (220). The primary power source may be configured to power the speaker during normal operation of the horn. The secondary power source may be configured to power the speaker during another horn operation. | ||||||
| 108 | PROXIMITY SENSING | US16219120 | 2018-12-13 | US20190187261A1 | 2019-06-20 | Pablo Peso Parada; Rahim Saeidi |
| Embodiments of the present disclosure provide apparatus, methods and computer programs for ultrasonic proximity-detection. In one embodiment, processing circuitry comprises: a first input for receiving an indication of an interrogating ultrasonic signal; a second input for receiving a detected ultrasonic return signal; an adaptive filter, coupled to the first and second inputs, operative to estimate a transfer function between the interrogating ultrasonic signal and the detected ultrasonic return signal; a feature extract module, coupled to the adaptive filter, operative to calculate statistical moments of one or more of: the estimated transfer function; an estimated ultrasonic return signal, calculated based on the interrogating ultrasonic signal and the estimated transfer function; and an error signal, representing the error between the estimated ultrasonic return signal and the detected ultrasonic return signal; and a classifier module, coupled to the feature extract module, operative to determine the presence of a nearby object based on the statistical moments. | ||||||
| 109 | METHOD AND APPARATUS FOR ACOUSTIC SIGNAL GENERATION | US15618573 | 2017-06-09 | US20180358916A1 | 2018-12-13 | Yo Chan Son; Si-hyung Lee; Aayush Gupta |
| A motor drive system for controlling operation of an electric machine is described. An inverter includes paired power transistors that are electrically connected to the electric machine, wherein the inverter is electrically connected to a DC power source via a high-voltage electrical power bus. A motor controller includes a first controller and an acoustic signal generator, wherein the first controller is disposed to control the paired power transistors of the inverter. The first controller determines an initial output voltage based upon a torque command and the acoustic signal generator is disposed to generate a sound injection voltage. The motor controller combines the initial output voltage and the sound injection voltage. The motor controller generates PWM commands to control the paired power transistors of the inverter, wherein the PWM commands are determined based upon the initial output voltage and the sound injection voltage. | ||||||
| 110 | Driving Circuit for Electronic Device and Associated System and Method | US15894072 | 2018-02-12 | US20180166056A1 | 2018-06-14 | Chaoyang Yu; Huijiang Xia |
| The present application discloses a driving circuit for driving an electronic device, the driving circuit has a voltage regulating circuit, a waveform generating circuit and a driving stage circuit. An input of the voltage regulating circuit is coupled to a power source. An input of the waveform generating circuit is coupled to an output of the voltage regulating circuit, and an output of the waveform generating circuit provides a periodic wave signal. The driving stage circuit has a signal input coupled to the output of the waveform generating circuit, a power input coupled to the power source, and an output for driving the electronic device. | ||||||
| 111 | CMOS ULTRASONIC TRANSDUCERS AND RELATED APPARATUS AND METHODS | US15868989 | 2018-01-11 | US20180133756A1 | 2018-05-17 | 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. | ||||||
| 112 | Piezoelectric user interface | US14597316 | 2015-01-15 | US09865142B2 | 2018-01-09 | Juhani Tuovinen |
| An apparatus includes a touchscreen keypad and one or more devices that generate a tactile response to a user of the apparatus when a key in the keypad is pressed. In order accomplish a simple construction requiring a minimum of space, the one or more devices that generate that tactile response may include at least one piezoelectric element configured to generate vibration which is forwarded to the user in response to a key of the touchscreen keypad being pressed. | ||||||
| 113 | EXTERNAL NOISEMAKER FOR PIPE SYSTEMS | US15056403 | 2016-02-29 | US20170248555A1 | 2017-08-31 | Shabbir Yusuf; Werner Guenther Richarz; Valentin Mircea Burtea; Filip Stefanovic |
| A noisemaker system includes: a node of an infrastructure system; and a noisemaker including a vibrating plate, the vibrating plate including a top surface and a bottom surface, the bottom surface of the vibrating plate in contact with an exterior surface of the node, and an actuator configured to engage the top surface of the vibrating plate and generate an acoustic signal. | ||||||
| 114 | CMOS ULTRASONIC TRANSDUCERS AND RELATED APPARATUS AND METHODS | US15581511 | 2017-04-28 | US20170225196A1 | 2017-08-10 | 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. | ||||||
| 115 | CMOS ultrasonic transducers and related apparatus and methods | US15158968 | 2016-05-19 | US09718098B2 | 2017-08-01 | 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. | ||||||
| 116 | METHOD FOR ELIMINATING MOTOR VEHICLE AND WATER CRAFT HORN EMC INTERFERENCE AND HORN | US15303487 | 2015-04-13 | US20170118557A1 | 2017-04-27 | Yu WAN |
| A motor vehicle and/or water craft horn, comprising: at least one capacitor (C2) of about 220-10000 μF connected in parallel at the input terminals of the horn power supply to eliminate electromagnetic interference caused by electromagnetic radiation, conduction, and coupling. Also provided are a method of eliminating motor vehicle and/or water craft horn electromagnetic interference, an electronic device for using on a motor vehicle and/or water craft, and a motor vehicle and/or water craft. The present invention solves the problem of overrun out of limit of conducted emission (CE) and radiated emission (RE) when a motor vehicle or water craft uses a horn for CIRS 25 testing, thus enabling the horn EMC index to meet the standard. | ||||||
| 117 | Multi-frequency alarm for emitting narrow band noise | US14426639 | 2013-09-10 | US09527439B2 | 2016-12-27 | Grant Juel |
| A multi-frequency alarm (10) generates a narrow band noise (MFA-87, -97, 102, -107) warning of a presence of a vehicle. The alarm includes noise signal circuitry (30) generating a pseudorandom bit stream to produce a noise signal that exhibits a multi-frequency spectrum; an active low-pass filter (40) receiving the noise signal and producing a narrow band noise signal, the active low-pass filter configured to establish for the narrow band noise signal spectral characteristics exhibiting a high-frequency noise signal magnitude roll-off that attenuates frequencies greater than 4 kHz; an audio amplifier (50) producing an amplified narrow band noise signal; and an audio speaker (60) responsive to the amplified narrow band noise signal and configured to emit narrow band noise sound derived from the narrow band noise signal. | ||||||
| 118 | CMOS ULTRASONIC TRANSDUCERS AND RELATED APPARATUS AND METHODS | US15158968 | 2016-05-19 | US20160264400A1 | 2016-09-15 | 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. | ||||||
| 119 | BUZZER CIRCUIT | US14573409 | 2014-12-17 | US20150317969A1 | 2015-11-05 | YONG-ZHAO HUANG |
| A buzzer circuit includes a control unit, a constant current unit, and a buzzer. The buzzer circuit is coupled to a drive circuit. The buzzer includes a power pin and a ground pin. The constant current unit includes a constant voltage component and a first resistor. When the power pin of the buzzer receives a high level drive signal, the constant voltage component provides a constant voltage, controlled by the control unit, to the first resistor, and the ground pin is coupled to ground through the first resistor, and the buzzer buzzes steadily. | ||||||
| 120 | Multifunctional strip for motor vehicle | US13591702 | 2012-08-22 | US09073476B2 | 2015-07-07 | Benjamin Nikol; Markus Halm; Sebastian Schwartze; Christian Winkelmann; Robert Angermüller; Christian Brendel; Christoph Schmitz; Jens Dietmar Reuschel; Tobias Urban |
| A multifunctional strip for a motor vehicle includes a panel element having a strip-shaped configuration and constructed for outputting first and second items of information which differ from one another; and at least one actuator for outputting an acoustic signal as one of the items of information. The multifunctional strip can be arranged on the outside of the body of the motor vehicle. | ||||||
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