GB1492947A - Refractive system for elastic surface waves - Google Patents

Refractive system for elastic surface waves

Info

Publication number
GB1492947A
GB1492947A GB4745374A GB4745374A GB1492947A GB 1492947 A GB1492947 A GB 1492947A GB 4745374 A GB4745374 A GB 4745374A GB 4745374 A GB4745374 A GB 4745374A GB 1492947 A GB1492947 A GB 1492947A
Authority
GB
United Kingdom
Prior art keywords
refractive
area
lens
refractive area
surface wave
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.)
Expired
Application number
GB4745374A
Other languages
English (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.)
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 GB1492947A publication Critical patent/GB1492947A/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
    • G10K11/36—Devices for manipulating acoustic surface waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Optical Integrated Circuits (AREA)
GB4745374A 1973-11-02 1974-11-01 Refractive system for elastic surface waves Expired GB1492947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7339082A FR2250230B1 (cg-RX-API-DMAC7.html) 1973-11-02 1973-11-02

Publications (1)

Publication Number Publication Date
GB1492947A true GB1492947A (en) 1977-11-23

Family

ID=9127243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4745374A Expired GB1492947A (en) 1973-11-02 1974-11-01 Refractive system for elastic surface waves

Country Status (3)

Country Link
DE (1) DE2451926A1 (cg-RX-API-DMAC7.html)
FR (1) FR2250230B1 (cg-RX-API-DMAC7.html)
GB (1) GB1492947A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731309A1 (de) * 1987-09-17 1989-03-30 Siemens Ag Oberflaechenwellenanordnung mit konversionsstruktur zur vermeidung unerwuenschter reflektierter wellen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372380A1 (fr) * 1976-11-30 1978-06-23 Barbier Benard & Turenne Appareil d'eclairage sans ombres portees
FR2500177A1 (fr) 1981-02-13 1982-08-20 Thomson Csf Dispositif dioptrique a ondes magnetostatiques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731309A1 (de) * 1987-09-17 1989-03-30 Siemens Ag Oberflaechenwellenanordnung mit konversionsstruktur zur vermeidung unerwuenschter reflektierter wellen

Also Published As

Publication number Publication date
DE2451926A1 (de) 1975-05-28
FR2250230A1 (cg-RX-API-DMAC7.html) 1975-05-30
FR2250230B1 (cg-RX-API-DMAC7.html) 1976-07-23

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee