SU376712A1 - LIBRARY - Google Patents

LIBRARY

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Publication number
SU376712A1
SU376712A1 SU1265254A SU1265254A SU376712A1 SU 376712 A1 SU376712 A1 SU 376712A1 SU 1265254 A SU1265254 A SU 1265254A SU 1265254 A SU1265254 A SU 1265254A SU 376712 A1 SU376712 A1 SU 376712A1
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SU
USSR - Soviet Union
Prior art keywords
acoustic
head
grid
cells
fibers
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Application number
SU1265254A
Other languages
Russian (ru)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed filed Critical
Priority to SU1265254A priority Critical patent/SU376712A1/en
Application granted granted Critical
Publication of SU376712A1 publication Critical patent/SU376712A1/en

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  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

Изобретение относитс  к измерительной технике , а именно к конструкции акустических головок.The invention relates to a measurement technique, namely to the design of acoustic heads.

Известны акустические головки, содержащие ньезоэлемент и соединенный с ним первым торном звукопровод, выполненный из волокои, закрепленных на торцах звукопровода в  чейках сетки.Acoustic heads are known that contain a heavy element and a sound guide connected to it by the first torn, made of fibers, fixed on the ends of the sound guide in the cells of the grid.

Однако -в известных акустических головках имеетс  неравномерность пол  излучени .However, in the known acoustic heads there is an uneven radiation field.

С целью устранени  этого недостатка в предлагаемой головке концы на втором торце закреплень в  чейках сетки относительно  чеек нервой сетки по таблице случайных чисел.In order to eliminate this drawback, in the proposed head, the ends at the second end are fixed in the grid cells relative to the nerve grid cells according to the table of random numbers.

На чертеже изображена предлагаема  акустическа  головка.The drawing shows the proposed acoustic head.

Акустическа  голов.ка содержит пьезоэлемент /, соединенный с ним нервым торцом звукопровод 2, выполненный из волокон 3, закренленных на торцах звукопровода в  чейках сетки 4. Волокна, св занные с участком пьезоэлемента , излучение которого искажает основное поле излучени , например волокна, соединенные с участком поднайки .контакта 5, другими своими концами-закреплены на втором торце звуконровода в  чейках сетки 4 ио таблице случайных чисел. Акустическое ноле направл етс  в изделие 6 через второй торец зву2The acoustic head contains a piezoelectric element /, a suction line 2 connected to it with a nerve end, made of fibers 3, engraved at the ends of the suction line in the cells of the grid 4. with a plot of a sublevel .contact 5, with its other ends-fixed on the second end of the sound conductor in the cells of the grid 4 and on the table of random numbers. Acoustic zero is guided into article 6 through the second end of the sound.

копровода 2, образующий рабочую поверхность головки.coprod 2, forming the working surface of the head.

Работает акустическа  головка следующим образом.The acoustic head works as follows.

Пьезоэлемент / возбуждает в каждом волокне 3 один и тот же тин колебаний. Последние , распростран  сь по волокнам, доход т до рабочей поверхностн головки и излучаютс  в изделие 6, где в результате интерференц«и иолей отдельных волокон формируетс  поле излучени  голоики. Однородна  область ньезоэлемецта 1 в силу одинаковой длины волокои создает в изделии основное регул рное поле.The piezoelectric element / excites in each fiber 3 the same vibration type. The latter, spreading through the fibers, reach the working surface of the head and are emitted into the product 6, where as a result of the interference and the elements of the individual fibers, the radiation field of the holoika is formed. The homogeneous area of the electrical element 1, by virtue of the same length, the filament creates in the product the main regular field.

Излучение участков, внос щих искажени  в основное поле излучени  пьезоэле.мента /, распределено по всей рабочей поверхности головки в соответствии с таблицей случайных чпсел , в результате чего обеспечиваетс  равиомерность пол  излучени  акустической головки .The radiation of portions that distort the main radiation field of the piezoelectric element / is distributed over the entire working surface of the head in accordance with the table of random crowns, as a result of which the radiation field of the acoustic head is equalized.

П р е д м,ет изобретени PREDM, inventions

Акустическа  головка, содержаща  иьезоэлемент и соединенный с ним первым торцом звукопровод, выполненный из волокон, закрепленных на торцах звуконровода в  чейках сетки, отличающа с  тем, что, с целью новышенй  равномерности пол  излучени  головки , .концы волокон на втором торце закреплены в  чейках сетки -относительно  чеек первой сетки по таблице случайных чисел.An acoustic head containing an acoustic element and a sound conductor connected to it by the first end, made of fibers fixed at the ends of the sound conductor in the grid cells, is characterized in that relative to the cells of the first grid in the table of random numbers.

SU1265254A 1968-08-29 1968-08-29 LIBRARY SU376712A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1265254A SU376712A1 (en) 1968-08-29 1968-08-29 LIBRARY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1265254A SU376712A1 (en) 1968-08-29 1968-08-29 LIBRARY

Publications (1)

Publication Number Publication Date
SU376712A1 true SU376712A1 (en) 1973-04-05

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Application Number Title Priority Date Filing Date
SU1265254A SU376712A1 (en) 1968-08-29 1968-08-29 LIBRARY

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SU (1) SU376712A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993016381A1 (en) * 1992-02-07 1993-08-19 Winston Thomas R Method and apparatus for ultrasonic inspection of inaccessible areas
US5486170A (en) * 1992-10-26 1996-01-23 Ultrasonic Sensing And Monitoring Systems Medical catheter using optical fibers that transmit both laser energy and ultrasonic imaging signals
US5567881A (en) * 1995-05-05 1996-10-22 Mcdonnell Douglas Corporation Method and apparatus for inspecting a structural part having surface irregularities
US5691476A (en) * 1993-09-07 1997-11-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for ultrasonic imaging and device for performing the method
US5916210A (en) * 1990-01-26 1999-06-29 Intraluminal Therapeutics, Inc. Catheter for laser treatment of atherosclerotic plaque and other tissue abnormalities

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5916210A (en) * 1990-01-26 1999-06-29 Intraluminal Therapeutics, Inc. Catheter for laser treatment of atherosclerotic plaque and other tissue abnormalities
WO1993016381A1 (en) * 1992-02-07 1993-08-19 Winston Thomas R Method and apparatus for ultrasonic inspection of inaccessible areas
US6230568B1 (en) * 1992-02-07 2001-05-15 Ultrasonic Sensing And Monitoring Systems, Inc. Method and apparatus for ultrasonic inspection of inaccessible areas
US5486170A (en) * 1992-10-26 1996-01-23 Ultrasonic Sensing And Monitoring Systems Medical catheter using optical fibers that transmit both laser energy and ultrasonic imaging signals
US5691476A (en) * 1993-09-07 1997-11-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for ultrasonic imaging and device for performing the method
US5567881A (en) * 1995-05-05 1996-10-22 Mcdonnell Douglas Corporation Method and apparatus for inspecting a structural part having surface irregularities

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