FR2290730B1 - - Google Patents

Info

Publication number
FR2290730B1
FR2290730B1 FR7437078A FR7437078A FR2290730B1 FR 2290730 B1 FR2290730 B1 FR 2290730B1 FR 7437078 A FR7437078 A FR 7437078A FR 7437078 A FR7437078 A FR 7437078A FR 2290730 B1 FR2290730 B1 FR 2290730B1
Authority
FR
France
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
FR7437078A
Other languages
French (fr)
Other versions
FR2290730A1 (fr
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
Priority to FR7437078A priority Critical patent/FR2290730A1/fr
Priority to GB45974/75A priority patent/GB1516400A/en
Priority to DE2549848A priority patent/DE2549848C3/de
Priority to JP50134617A priority patent/JPS5171037A/ja
Publication of FR2290730A1 publication Critical patent/FR2290730A1/fr
Application granted granted Critical
Publication of FR2290730B1 publication Critical patent/FR2290730B1/fr
Priority to US05/875,081 priority patent/US4159539A/en
Granted 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C21/00—Digital stores in which the information circulates continuously
    • G11C21/02—Digital stores in which the information circulates continuously using electromechanical delay lines, e.g. using a mercury tank
    • G11C21/023—Digital stores in which the information circulates continuously using electromechanical delay lines, e.g. using a mercury tank using piezoelectric transducers, e.g. mercury tank
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C8/00—Arrangements for selecting an address in a digital store
    • G11C8/005—Arrangements for selecting an address in a digital store with travelling wave access

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR7437078A 1974-11-08 1974-11-08 Dispositif de memorisation d'information, utilisant des ondes elastiques Granted FR2290730A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7437078A FR2290730A1 (fr) 1974-11-08 1974-11-08 Dispositif de memorisation d'information, utilisant des ondes elastiques
GB45974/75A GB1516400A (en) 1974-11-08 1975-11-05 Elastic waves device for memorizing information
DE2549848A DE2549848C3 (de) 1974-11-08 1975-11-06 Vorrichtung zur Informationsspeicherung unter Verwendung von elastischen Wellen
JP50134617A JPS5171037A (zh) 1974-11-08 1975-11-08
US05/875,081 US4159539A (en) 1974-11-08 1978-02-03 Elastic waves device for memorizing information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7437078A FR2290730A1 (fr) 1974-11-08 1974-11-08 Dispositif de memorisation d'information, utilisant des ondes elastiques

Publications (2)

Publication Number Publication Date
FR2290730A1 FR2290730A1 (fr) 1976-06-04
FR2290730B1 true FR2290730B1 (zh) 1977-03-18

Family

ID=9144793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437078A Granted FR2290730A1 (fr) 1974-11-08 1974-11-08 Dispositif de memorisation d'information, utilisant des ondes elastiques

Country Status (4)

Country Link
JP (1) JPS5171037A (zh)
DE (1) DE2549848C3 (zh)
FR (1) FR2290730A1 (zh)
GB (1) GB1516400A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030051281A (ko) * 2001-12-14 2003-06-25 후지 샤신 필름 가부시기가이샤 자기전사용 마스터 담체

Also Published As

Publication number Publication date
JPS5171037A (zh) 1976-06-19
FR2290730A1 (fr) 1976-06-04
DE2549848A1 (de) 1976-05-26
DE2549848C3 (de) 1980-04-17
GB1516400A (en) 1978-07-05
DE2549848B2 (zh) 1979-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse