FR2359474A1 - Procede de realisation d'un filtre mecanique et filtre mecanique - Google Patents

Procede de realisation d'un filtre mecanique et filtre mecanique

Info

Publication number
FR2359474A1
FR2359474A1 FR7622107A FR7622107A FR2359474A1 FR 2359474 A1 FR2359474 A1 FR 2359474A1 FR 7622107 A FR7622107 A FR 7622107A FR 7622107 A FR7622107 A FR 7622107A FR 2359474 A1 FR2359474 A1 FR 2359474A1
Authority
FR
France
Prior art keywords
mechanical filter
making
resonators
couplers
filter
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
FR7622107A
Other languages
English (en)
French (fr)
Other versions
FR2359474B1 (OSRAM
Inventor
Jacques Francois
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.)
Nokia Inc
Original Assignee
Nokia Inc
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 Nokia Inc filed Critical Nokia Inc
Priority to FR7622107A priority Critical patent/FR2359474A1/fr
Publication of FR2359474A1 publication Critical patent/FR2359474A1/fr
Application granted granted Critical
Publication of FR2359474B1 publication Critical patent/FR2359474B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04—Acoustic filters ; Acoustic resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR7622107A 1976-07-20 1976-07-20 Procede de realisation d'un filtre mecanique et filtre mecanique Granted FR2359474A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7622107A FR2359474A1 (fr) 1976-07-20 1976-07-20 Procede de realisation d'un filtre mecanique et filtre mecanique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7622107A FR2359474A1 (fr) 1976-07-20 1976-07-20 Procede de realisation d'un filtre mecanique et filtre mecanique

Publications (2)

Publication Number Publication Date
FR2359474A1 true FR2359474A1 (fr) 1978-02-17
FR2359474B1 FR2359474B1 (OSRAM) 1978-12-15

Family

ID=9175908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622107A Granted FR2359474A1 (fr) 1976-07-20 1976-07-20 Procede de realisation d'un filtre mecanique et filtre mecanique

Country Status (1)

Country Link
FR (1) FR2359474A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0378771A3 (de) * 1989-01-14 1992-05-13 Rainer Oehme Resonator
EP0553499A3 (en) * 1992-01-07 1994-05-18 Boston Acoustics Inc Frequency-dependent amplitude modification devices for accoustic sources

Non-Patent Citations (1)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0378771A3 (de) * 1989-01-14 1992-05-13 Rainer Oehme Resonator
EP0553499A3 (en) * 1992-01-07 1994-05-18 Boston Acoustics Inc Frequency-dependent amplitude modification devices for accoustic sources
US5689573A (en) * 1992-01-07 1997-11-18 Boston Acoustics, Inc. Frequency-dependent amplitude modification devices for acoustic sources

Also Published As

Publication number Publication date
FR2359474B1 (OSRAM) 1978-12-15

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Legal Events

Date Code Title Description
ST Notification of lapse