GB2036315A - Pulse-echo ultrasonic wave- energy imaging system incorporating high-angular velocity oscillated transducer - Google Patents

Pulse-echo ultrasonic wave- energy imaging system incorporating high-angular velocity oscillated transducer

Info

Publication number
GB2036315A
GB2036315A GB7927201A GB7927201A GB2036315A GB 2036315 A GB2036315 A GB 2036315A GB 7927201 A GB7927201 A GB 7927201A GB 7927201 A GB7927201 A GB 7927201A GB 2036315 A GB2036315 A GB 2036315A
Authority
GB
United Kingdom
Prior art keywords
transducer
oscillated
pulse
imaging system
angular velocity
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB7927201A
Other versions
GB2036315B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Priority claimed from US05/964,898 external-priority patent/US4197751A/en
Publication of GB2036315A publication Critical patent/GB2036315A/en
Application granted granted Critical
Publication of GB2036315B publication Critical patent/GB2036315B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
    • G10K11/352—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving the transducer
    • G10K11/355—Arcuate movement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan

Abstract

Transducer (100) completely immersed in ultrasonic propagating liquid (102) can be oscillated back and forth at a high rate, without producing significant turbulence in liquid, if oscillation velocity varies as a predetermined smooth continuous function of time. <IMAGE>
GB7927201A 1977-12-12 1978-12-05 Pulseecho ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer Expired GB2036315B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5168477 1977-12-12
US05/964,898 US4197751A (en) 1977-12-12 1978-12-05 Pulse-echo ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer

Publications (2)

Publication Number Publication Date
GB2036315A true GB2036315A (en) 1980-06-25
GB2036315B GB2036315B (en) 1983-01-12

Family

ID=26266919

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8114949A Expired GB2090029B (en) 1977-12-12 1978-12-05 System for marking the occurrence of m levels in a time varying predetermined waveform
GB7927201A Expired GB2036315B (en) 1977-12-12 1978-12-05 Pulseecho ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8114949A Expired GB2090029B (en) 1977-12-12 1978-12-05 System for marking the occurrence of m levels in a time varying predetermined waveform

Country Status (1)

Country Link
GB (2) GB2090029B (en)

Also Published As

Publication number Publication date
GB2036315B (en) 1983-01-12
GB2090029A (en) 1982-06-30
GB2090029B (en) 1983-01-19

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee