FR2290785A1 - Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur - Google Patents

Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur

Info

Publication number
FR2290785A1
FR2290785A1 FR7439574A FR7439574A FR2290785A1 FR 2290785 A1 FR2290785 A1 FR 2290785A1 FR 7439574 A FR7439574 A FR 7439574A FR 7439574 A FR7439574 A FR 7439574A FR 2290785 A1 FR2290785 A1 FR 2290785A1
Authority
FR
France
Prior art keywords
incident
surface waves
reflector
segments
filter device
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
FR7439574A
Other languages
English (en)
Other versions
FR2290785B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7439574A priority Critical patent/FR2290785A1/fr
Publication of FR2290785A1 publication Critical patent/FR2290785A1/fr
Application granted granted Critical
Publication of FR2290785B1 publication Critical patent/FR2290785B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aerials With Secondary Devices (AREA)
FR7439574A 1974-11-06 1974-11-06 Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur Granted FR2290785A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7439574A FR2290785A1 (fr) 1974-11-06 1974-11-06 Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7439574A FR2290785A1 (fr) 1974-11-06 1974-11-06 Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur

Publications (2)

Publication Number Publication Date
FR2290785A1 true FR2290785A1 (fr) 1976-06-04
FR2290785B1 FR2290785B1 (fr) 1978-11-24

Family

ID=9145509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7439574A Granted FR2290785A1 (fr) 1974-11-06 1974-11-06 Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur

Country Status (1)

Country Link
FR (1) FR2290785A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034851A2 (fr) * 1980-02-21 1981-09-02 Philips Electronics Uk Limited Filtres électriques passe-bande à ondes acoustiques de surface
EP0057332A2 (fr) * 1981-01-30 1982-08-11 Texas Instruments Incorporated Compresseur symétrique de largeur de faisceau comportant un coupleur à bandes multiples
EP0140449A2 (fr) * 1983-10-31 1985-05-08 Philips Electronics Uk Limited Dispositif à ondes acoustiques de surface

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034851A2 (fr) * 1980-02-21 1981-09-02 Philips Electronics Uk Limited Filtres électriques passe-bande à ondes acoustiques de surface
EP0034851A3 (en) * 1980-02-21 1981-10-21 Philips Electronic And Associated Industries Limited Acoustic wave bandpass electrical filters
EP0057332A2 (fr) * 1981-01-30 1982-08-11 Texas Instruments Incorporated Compresseur symétrique de largeur de faisceau comportant un coupleur à bandes multiples
EP0057332A3 (en) * 1981-01-30 1982-08-18 Texas Instruments Incorporated Symmetric beam width compression multistrip coupler
EP0140449A2 (fr) * 1983-10-31 1985-05-08 Philips Electronics Uk Limited Dispositif à ondes acoustiques de surface
EP0140449A3 (en) * 1983-10-31 1987-01-21 Philips Electronic And Associated Industries Limited Surface acoustic wave device

Also Published As

Publication number Publication date
FR2290785B1 (fr) 1978-11-24

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Legal Events

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TP Transmission of property
TP Transmission of property