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1. 发明授权

US09653063B2 Acoustic reflectors 有权
公开(公告)号：US09653063B2
公开(公告)日：2017-05-16
申请号：US14964076
申请日：2015-12-09
申请人： SUBSEA ASSET LOCATION TECHNOLOGIES LIMITED
发明人： Carl Peter Tiltman , Andrew Malcolm Tulloch
IPC分类号： G01K11/20 , G10K11/20 , B29C39/00 , B29K9/00 , B29K83/00
CPC分类号： G10K11/205 , B29C39/003 , B29K2009/00 , B29K2083/00
摘要： An acoustic reflector comprises a shell surrounding a solid elastomeric core free of joints. The shell transmits acoustic waves incident on the surface of the shell partially into the core to be focused and reflected from an area of the shell located opposite to the area of incidence so as to provide a reflected acoustic signal output from the reflectorpartially around the circumference of the shell and to combine constructively with the reflected acoustic signal output. The ratio of the speed of sound wave transmission in the shell to the average speed of the wave transmission in the core is preferably in the range of 2.74 to 3.4 best results being in the range of 2.74 to 2.86 inclusive.

2. 发明授权

US09304200B2 Identification, detection and positioning of underwater acoustic reflectors 有权
公开(公告)号：US09304200B2
公开(公告)日：2016-04-05
申请号：US13976234
申请日：2012-01-18
申请人： Lisa Jane Symes , Carl Peter Tiltman
发明人： Lisa Jane Symes , Carl Peter Tiltman
IPC分类号： B06B1/06 , G01S15/06 , G01S7/527 , G01S7/539 , G01V1/38 , G10K11/20
CPC分类号： G01S15/06 , G01S7/527 , G01S7/539 , G01V1/3835 , G10K11/205
摘要： A method of identifying and locating an acoustic reflector is described by interrogating underwater objects with a sonar and deploying one or more of the steps of • a. identifying objects that apparently reflect the acoustic interrogation with a double echo, measuring the separation of the two echoes and comparing those measurements with anticipated measurements for underwater acoustic reflectors that may be present in the search area, and accepting or rejecting the reflected acoustic wave as potentially including the echo from the front of such an acoustic reflector and the echo from the shell at the rear of the reflector; • b. measuring the target strength of the echoes in a double echo received from an object and rejecting the object as one of interest if the target strength in the first echo of a double echo exceeds that of the second echo; • c. measuring the total target strength of an echo from an object, the object being rejected as being a potential underwater acoustic reflector of interest if the target strength is less than a predetermined minimum; • d. measuring the acoustic width of an object and comparing that with the acoustic width of known acoustic reflectors, the object being rejected as being potentially an underwater acoustic reflector of interest if the acoustic width is not that of a known underwater acoustic reflector; • e. measuring the frequency response of an object, the object being accepted or rejected as being potentially an acoustic reflector of interest if the frequency response corresponds to the known frequency response of such an underwater reflector; and • f. measuring the phase response of an object, the object being accepted or rejected as potentially an underwater acoustic reflector of interest if the phase response corresponds to the known phase response of such an underwater acoustic reflector. The target is being rejected as being an acoustic reflector of interest if the measured characteristics do not match the known characteristics of a reflector of interest.

3. 发明申请

US20140269161A1 ACOUSTIC REFLECTORS 审中-公开
标题翻译：声音反射器
公开(公告)号：US20140269161A1
公开(公告)日：2014-09-18
申请号：US14287488
申请日：2014-05-27
申请人： Subsea Asset Location Technologies Limited
发明人： Carl Peter TILTMAN , Andrew Malcolm TULLOCH
IPC分类号： G10K11/20
CPC分类号： G10K11/205 , B29C39/003 , B29K2009/00 , B29K2083/00
摘要： An underwater location detection system comprising a number of acoustic reflectors at the location, wherein the acoustic reflectors emit acoustic signals in response to receiving an incoming acoustic signal. The frequency of the acoustic signal emitted by each of the acoustic reflectors is different from one another.
摘要翻译：一种水下位置检测系统，包括在该位置处的多个声反射器，其中响应于接收到的入射声信号，声反射器发射声信号。由每个声反射器发射的声信号的频率彼此不同。

4. 发明授权

US09318097B2 Acoustic reflectors 有权
标题翻译：声反射器
公开(公告)号：US09318097B2
公开(公告)日：2016-04-19
申请号：US13354731
申请日：2012-01-20
申请人： Carl Peter Tiltman , Andrew Malcolm Tulloch
发明人： Carl Peter Tiltman , Andrew Malcolm Tulloch
IPC分类号： G01K11/00 , G10K11/20 , B29C39/00 , B29K9/00 , B29K83/00
CPC分类号： G10K11/205 , B29C39/003 , B29K2009/00 , B29K2083/00
摘要： An acoustic reflector comprises a shell surrounding a solid elastomeric core free of joints. The shell transmits acoustic waves incident on the surface of the shell partially into the core to be focused and reflected from an area of the shell located opposite to the area of incidence so as to provide a reflected acoustic signal output from the reflector partially around the circumference of the shell and to combine constructively with the reflected acoustic signal output. The ratio of the speed of sound wave transmission in the shell to the average speed of the wave transmission in the core is preferably in the range of 2.74 to 3.4 best results being in the range of 2.74 to 2.86 inclusive.
摘要翻译：声反射器包括围绕没有接头的实心弹性体芯的外壳。壳体将入射在壳体表面上的声波部分地传播到芯中以被聚焦并从与入射区域相对的壳体的区域反射，以便提供从反射器部分围绕圆周输出的反射声信号并与建立性地结合反射的声信号输出结合起来。外壳中的声波传播速度与芯中的波传播的平均速度的比率优选在2.74至3.4的范围内，最佳结果在2.74至2.86之间。

5. 发明授权

US08910743B2 Acoustic Reflectors 有权
标题翻译：声学反射器
公开(公告)号：US08910743B2
公开(公告)日：2014-12-16
申请号：US13808491
申请日：2011-07-11
申请人： Carl Peter Tiltman , Andrew Malcolm Tulloch
发明人： Carl Peter Tiltman , Andrew Malcolm Tulloch
IPC分类号： G01V1/04 , G01V1/38 , G01V1/00
CPC分类号： A61B6/40 , A61B6/032 , A61B6/4233 , B63B51/00 , G01T1/2002 , G10K11/205 , G10K15/00 , Y10T156/1002 , Y10T156/1043 , Y10T156/1052
摘要： An acoustic reflector primarily for underwater use comprising a shell surrounding a core in which holes are provided in the shell to allow air and water freely to enter and leave the interior of the shell when the reflector is immersed in water. Various embodiments are described including the use of a metal shell matched to a water core, the use of a mounting bar, provision of a frame to reflect acoustically alpha numeric characters, a soluble plug to delay operation of the reflector, and coating the reflector with polyurethane to limit damage. Also proposed is a pulse pattern to improve the identification of an acoustic reflector in some circumstances. Designs of reflectors particularly suitable for use with the relatively low frequency sonars found in the fishing industry with an aluminum or aluminum alloy shell are described, as are reflectors with a non-metal shell suitable for use with the higher frequency sonars in the underwater exploration industry. The reflectors can be spherical, toroidal, ovoid, or cylindrical provided that they have at least on circular cross section. A particularly important development with the current invention is the ability to mark and trace underwater non-ferromagnetic pipes.
摘要翻译：主要用于水下使用的声反射器包括围绕芯的壳体，其中在壳体中设置孔，以在反射器浸入水中时允许空气和水自由地进入和离开壳体的内部。描述了各种实施例，包括使用与水芯匹配的金属外壳，使用安装杆，提供框架以反射声学字母数字字符，可溶性插头以延迟反射器的操作，并且用聚氨酯限制损坏。还提出了在某些情况下改善声反射体的识别的脉冲模式。描述了特别适用于与铝或铝合金外壳在渔业中发现的相对较低频率声纳的反射器的设计，以及适用于水下勘探行业中较高频率声纳的非金属壳的反射器。反射器可以是球形，环形，卵形或圆柱形，只要它们至少具有圆形横截面。使用本发明的一个特别重要的发展是标记和追踪水中非铁磁管的能力。

6. 发明申请

US20130272092A1 IDENTIFICATION, DETECTION AND POSITIONING OF UNDERWATER ACOUSTIC REFLECTORS 有权
公开(公告)号：US20130272092A1
公开(公告)日：2013-10-17
申请号：US13976234
申请日：2012-01-18
申请人： Lisa Jane Symes , Carl Peter Tiltman
发明人： Lisa Jane Symes , Carl Peter Tiltman
IPC分类号： G01S15/06
CPC分类号： G01S15/06 , G01S7/527 , G01S7/539 , G01V1/3835 , G10K11/205
摘要： A method of identifying and locating an acoustic reflector is described by interrogating underwater objects with a sonar and deploying one or more of the steps of a. identifying objects that apparently reflect the acoustic interrogation with a double echo, measuring the separation of the two echoes and comparing those measurements with anticipated measurements for underwater acoustic reflectors that may be present in the search area, and accepting or rejecting the reflected acoustic wave as potentially including the echo from the front of such an acoustic reflector and the echo from the shell at the rear of the reflector; b. measuring the target strength of the echoes in a double echo received from an object and rejecting the object as one of interest if the target strength in the first echo of a double echo exceeds that of the second echo; c. measuring the total target strength of an echo from an object, the object being rejected as being a potential underwater acoustic reflector of interest if the target strength is less than a predetermined minimum; d. measuring the acoustic width of an object and comparing that with the acoustic width of known acoustic reflectors, the object being rejected as being potentially an underwater acoustic reflector of interest if the acoustic width is not that of a known underwater acoustic reflector; e. measuring the frequency response of an object, the object being accepted or rejected as being potentially an acoustic reflector of interest if the frequency response corresponds to the known frequency response of such an underwater reflector; and f. measuring the phase response of an object, the object being accepted or rejected as potentially an underwater acoustic reflector of interest if the phase response corresponds to the known phase response of such an underwater acoustic reflector. The target is being rejected as being an acoustic reflector of interest if the measured characteristics do not match the known characteristics of a reflector of interest.

7. 发明申请

US20110266089A1 Acoustic markers 失效
标题翻译：声标
公开(公告)号：US20110266089A1
公开(公告)日：2011-11-03
申请号：US13067996
申请日：2011-07-14
申请人： Carl Peter Tiltman , Andrew Malcolm Tulloch
发明人： Carl Peter Tiltman , Andrew Malcolm Tulloch
IPC分类号： G10K11/20 , G10K11/162
CPC分类号： G10K11/205
摘要： An acoustic reflector is described comprising a shell around a core, in which portions of the shell are capable of transmitting acoustic waves incident on the shell into the core to be focused and reflected from an area of the shell located opposite to the area of incidence of the acoustic waves to provide a reflected acoustic signal output from the reflector. Incident acoustic radiation will be differentially reflected depending on the portion of the reflector on which the incident acoustic radiation impinges.
摘要翻译：描述了一种声学反射器，其包括围绕芯的壳体，其中壳体的一部分能够将入射到壳体上的声波传播到芯体中以被聚焦并从壳体的与入射区域相对的位置的区域反射声波以提供从反射器输出的反射声信号。入射声辐射将根据入射的声辐射入射的反射器的部分而被差分反射。

8. 发明授权

US08547780B2 Acoustic markers 失效
标题翻译：声标
公开(公告)号：US08547780B2
公开(公告)日：2013-10-01
申请号：US13067996
申请日：2011-07-14
申请人： Carl Peter Tiltman , Andrew Malcolm Tulloch
发明人： Carl Peter Tiltman , Andrew Malcolm Tulloch
IPC分类号： H01L41/00 , G10K11/22 , G10K11/162
CPC分类号： G10K11/205
摘要： An acoustic reflector is described comprising a shell around a core, in which portions of the shell are capable of transmitting acoustic waves incident on the shell into the core to be focused and reflected from an area of the shell located opposite to the area of incidence of the acoustic waves to provide a reflected acoustic signal output from the reflector. Incident acoustic radiation will be differentially reflected depending on the portion of the reflector on which the incident acoustic radiation impinges.
摘要翻译：描述了一种声学反射器，其包括围绕芯的壳体，其中壳体的部分能够将入射到壳体上的声波传播到芯体中以被聚焦并从壳体的与入射区域相对的位置的区域反射声波以提供从反射器输出的反射声信号。入射声辐射将根据入射的声辐射入射的反射器的部分而被差分反射。

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