GB2020024B - Measurement of acoustic impedance - Google Patents

Measurement of acoustic impedance

Info

Publication number: GB2020024B
Authority: GB; United Kingdom
Prior art keywords: measurement; acoustic impedance; impedance; acoustic
Prior art date: 1978-04-29
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.): Expired

Application number

GB7909499A

Other versions

GB2020024A (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.)

GE Healthcare UK Ltd

Original Assignee

GE Healthcare UK Ltd

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.)

1978-04-29

Filing date

1979-03-19

Publication date

1982-11-10

1979-03-19 Application filed by GE Healthcare UK Ltd filed Critical GE Healthcare UK Ltd

1979-11-07 Publication of GB2020024A publication Critical patent/GB2020024A/en

1982-11-10 Application granted granted Critical

1982-11-10 Publication of GB2020024B publication Critical patent/GB2020024B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H15/00—Measuring mechanical or acoustic impedance
- 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
- G01N29/09—Analysing solids by measuring mechanical or acoustic impedance
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02872—Pressure

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
General Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

GB7909499A 1978-04-29 1979-03-19 Measurement of acoustic impedance Expired GB2020024B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1713878		1978-04-29

Publications (2)

Publication Number	Publication Date
GB2020024A GB2020024A (en)	1979-11-07
GB2020024B true GB2020024B (en)	1982-11-10

Family

ID=10089964

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7909499A Expired GB2020024B (en)	1978-04-29	1979-03-19	Measurement of acoustic impedance

Country Status (1)

Country	Link
GB (1)	GB2020024B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4763524A (en) *	1985-04-30	1988-08-16	The United States Of America As Represented By The Secretary Of The Navy	Automatic underwater acoustic apparatus
FR2592157B1 (en) *	1985-12-20	1988-02-12	Elf Aquitaine	METHOD AND DEVICE FOR MEASURING SPEEDS AND VIBRATORY CONSTRAINTS OF WAVES PROPAGATING IN FORMATIONS SURROUNDING A WELLBORE.

1979
- 1979-03-19 GB GB7909499A patent/GB2020024B/en not_active Expired

Also Published As

Publication number	Publication date
GB2020024A (en)	1979-11-07

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Legal Events

Date	Code	Title	Description
1986-11-19	PCNP	Patent ceased through non-payment of renewal fee