EP0114764A3 - Interface device for acoustic wave reflection - Google Patents

Interface device for acoustic wave reflection Download PDF

Info

Publication number
EP0114764A3
EP0114764A3 EP84400076A EP84400076A EP0114764A3 EP 0114764 A3 EP0114764 A3 EP 0114764A3 EP 84400076 A EP84400076 A EP 84400076A EP 84400076 A EP84400076 A EP 84400076A EP 0114764 A3 EP0114764 A3 EP 0114764A3
Authority
EP
European Patent Office
Prior art keywords
acoustic wave
interface device
wave reflection
reflection
acoustic
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
EP84400076A
Other languages
French (fr)
Other versions
EP0114764B1 (en
EP0114764A2 (en
Inventor
Bernard Fromont
Rene Reynier
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0114764A2 publication Critical patent/EP0114764A2/en
Publication of EP0114764A3 publication Critical patent/EP0114764A3/en
Application granted granted Critical
Publication of EP0114764B1 publication Critical patent/EP0114764B1/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
    • G10K11/20—Reflecting arrangements
    • G10K11/205—Reflecting arrangements for underwater use
EP19840400076 1983-01-19 1984-01-13 Interface device for acoustic wave reflection Expired EP0114764B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8300753A FR2539541B1 (en) 1983-01-19 1983-01-19 DEVICE WITH ACOUSTIC WAVE REFLECTIVE INTERFACE
FR8300753 1983-01-19

Publications (3)

Publication Number Publication Date
EP0114764A2 EP0114764A2 (en) 1984-08-01
EP0114764A3 true EP0114764A3 (en) 1984-08-22
EP0114764B1 EP0114764B1 (en) 1987-09-02

Family

ID=9285062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840400076 Expired EP0114764B1 (en) 1983-01-19 1984-01-13 Interface device for acoustic wave reflection

Country Status (6)

Country Link
EP (1) EP0114764B1 (en)
AU (1) AU2355484A (en)
CA (1) CA1239693A (en)
DE (1) DE3465809D1 (en)
ES (1) ES528948A0 (en)
FR (1) FR2539541B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204217B (en) * 1987-05-02 1990-05-23 Gec Avionics Acoustic reflector
EP0328931A3 (en) * 1988-02-18 1991-07-31 The B.F. Goodrich Company Compliant tube baffle
FR2656720B1 (en) * 1989-12-29 1992-03-20 Thomson Csf ACOUSTIC WAVE REFLECTOR WHICH CAN OPERATE UNDER STRONG IMMERSION.
FR2674717B1 (en) * 1991-03-29 1993-05-14 Thomson Csf DIRECTIONAL LOW FREQUENCY ACOUSTIC ANTENNA.
FR2720590B1 (en) * 1994-05-31 1996-06-28 Thomson Csf Absorbent passive acoustic antenna.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811216A (en) * 1954-04-28 1957-10-29 Harris Transducer Corp Acoustic baffle construction
US2884084A (en) * 1954-10-28 1959-04-28 Sussman Harry Acoustic panel
FR2026525A1 (en) * 1968-12-19 1970-09-18 Krupp Gmbh Reflector for water-borne sound
FR2240813A1 (en) * 1973-08-16 1975-03-14 France Etat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811216A (en) * 1954-04-28 1957-10-29 Harris Transducer Corp Acoustic baffle construction
US2884084A (en) * 1954-10-28 1959-04-28 Sussman Harry Acoustic panel
FR2026525A1 (en) * 1968-12-19 1970-09-18 Krupp Gmbh Reflector for water-borne sound
FR2240813A1 (en) * 1973-08-16 1975-03-14 France Etat

Also Published As

Publication number Publication date
ES8503449A1 (en) 1985-02-16
AU2355484A (en) 1984-07-26
CA1239693A (en) 1988-07-26
ES528948A0 (en) 1985-02-16
EP0114764B1 (en) 1987-09-02
FR2539541A1 (en) 1984-07-20
EP0114764A2 (en) 1984-08-01
FR2539541B1 (en) 1986-09-19
DE3465809D1 (en) 1987-10-08

Similar Documents

Publication Publication Date Title
GB2120037B (en) Surface acoustic wave device
GB2126034B (en) Surface acoustic wave device
DE3375968D1 (en) Surface acoustic wave device
DE3267639D1 (en) Surface acoustic wave device
DE3277760D1 (en) Surface acoustic wave device
DE3377256D1 (en) Acoustic surface wave device
GB2123638B (en) Surface acoustic wave device
GB2122832B (en) Surface acoustic wave device
GB2145893B (en) Surface acoustic wave device
DE3265580D1 (en) Surface acoustic wave device
GB2123637B (en) Surface acoustic wave device
DE3374637D1 (en) Electronic device using reflected acoustical waves
GB2152315B (en) Surface acoustic wave device
EP0103932A3 (en) Acoustic surface wave device
EP0146077A3 (en) Acoustic surface wave resonator device
GB8328965D0 (en) Surface acoustic wave device
DE3379143D1 (en) Electronic device using reflected acoustical waves
DE3380510D1 (en) Acoustic surface wave device
GB2126036B (en) Acoustic surface wave device
DE3465809D1 (en) Interface device for acoustic wave reflection
GB8323294D0 (en) Acoustic surface wave device
DE3264604D1 (en) Acoustic surface wave device
DE3380658D1 (en) Surface acoustic wave device
DE3368158D1 (en) Surface acoustic wave device
GB2126035B (en) Surface acoustic wave device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE GB IT

AK Designated contracting states

Designated state(s): DE GB IT

17P Request for examination filed

Effective date: 19850118

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE GB IT

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

REF Corresponds to:

Ref document number: 3465809

Country of ref document: DE

Date of ref document: 19871008

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19921221

Year of fee payment: 10

ITTA It: last paid annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19941001

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19941219

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19960113

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19960113