GB2048478A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Ultrasonic imaging system
Assignee: The General Electric Company PLC
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Filing: 1980-03-19
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Granted: —
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Expires: 2000-03-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 12:45
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/52; G01S7/52017; G01S7/52046; G01S7/52047; G01S15/00; G01S15/88; G01S15/89; G01S15/8906; G01S15/8909; G01S15/8915; G01S15/8918; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/34; G10K11/341; G10K11/345
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
44 words
65 1. An ultrasonic imaging system utilising a multi-element ultrasonic transducer array for transmission and reception of ultrasonic signals wherein a different number of elements is used in reception compared to transmission so 70 as to reduce sidelobes in the resultant ultrasonic beam pattern.
Claim 2
Dependent Claim
25 words
A system according to claim 1 wherein the numbers of elements used in reception and transmission are in the ratio 3:2 or vice 75 versa.
Claim 3
Dependent Claim
25 words
A system according to claim 1 wherein the numbers of elements used in reception and transmission are in the ratio 4:3 or vice versa. 80
Claim 4
Dependent Claim
24 words
A system according to claim 1, 2 or 3 wherein a larger number of elements is used in reception than is used in transmission.
Claim 5
Independent Claim
23 words
A system according to any preceding claim wherein the elements are focussed to a 85 different focal length in reception compared to transmission.
Claim 6
Dependent Claim
22 words
A system according to claim 5 wherein the elements are focussed to a larger focal length in reception than in transmission. 90
Claim 7
Dependent Claim
44 words
A system according to claim 6 when dependent on claim 2 wherein substantially twelve elements are used in reception at a focal length of substantially eleven centimetres and substantially eight elements are 95 used in transmission at a focal length of substantially six centimetres.
Claim 8
Independent Claim
41 words
A system substantially as hereinbefore described with reference to the accompanying drawings. Printed for Her Majesty's Stationery Office by Burgess & Son (Abingdon) Ltd.—1980. Published at The Patent Office, 25 Southampton Buildings, London, WC2A 1AY, from which copies may be obtained.
References Cited (Backward Citations)
No citation records indexed.
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