FR551182A - Method and devices for the production and use of vibratory motion created and maintained electrically or mechanically - Google Patents

Method and devices for the production and use of vibratory motion created and maintained electrically or mechanically

Info

Publication number
FR551182A
FR551182A FR551182DA FR551182A FR 551182 A FR551182 A FR 551182A FR 551182D A FR551182D A FR 551182DA FR 551182 A FR551182 A FR 551182A
Authority
FR
France
Prior art keywords
mechanically
production
devices
vibratory motion
motion created
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
Other languages
French (fr)
Inventor
Andre Garbarini
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 filed Critical
Application granted granted Critical
Publication of FR551182A publication Critical patent/FR551182A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/30—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being fed one by one from storage place to a display position
    • G09F11/34—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being fed one by one from storage place to a display position the feeding means comprising electromagnets

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR551182D 1922-05-09 1922-05-09 Method and devices for the production and use of vibratory motion created and maintained electrically or mechanically Expired FR551182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR551182T 1922-05-09

Publications (1)

Publication Number Publication Date
FR551182A true FR551182A (en) 1923-03-29

Family

ID=33306475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR551182D Expired FR551182A (en) 1922-05-09 1922-05-09 Method and devices for the production and use of vibratory motion created and maintained electrically or mechanically

Country Status (1)

Country Link
FR (1) FR551182A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075870A (en) * 1996-12-02 2000-06-13 Microtronic B.V. Electroacoustic transducer with improved shock resistance
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
US7236609B1 (en) 1999-10-07 2007-06-26 Knowles Electronics, Llc. Electro-acoustic transducer with resistance to shock-waves
US9859879B2 (en) 2015-09-11 2018-01-02 Knowles Electronics, Llc Method and apparatus to clip incoming signals in opposing directions when in an off state
US10945077B2 (en) 2017-12-30 2021-03-09 Knowles Electronics, Llc Electroacoustic transducer with improved shock protection
US11659337B1 (en) 2021-12-29 2023-05-23 Knowles Electronics, Llc Balanced armature receiver having improved shock performance

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075870A (en) * 1996-12-02 2000-06-13 Microtronic B.V. Electroacoustic transducer with improved shock resistance
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
US7236609B1 (en) 1999-10-07 2007-06-26 Knowles Electronics, Llc. Electro-acoustic transducer with resistance to shock-waves
US7995789B2 (en) 1999-10-07 2011-08-09 Knowles Electronics, Llc Electroacoustic transducer with resistance to shock-waves
US9859879B2 (en) 2015-09-11 2018-01-02 Knowles Electronics, Llc Method and apparatus to clip incoming signals in opposing directions when in an off state
US10945077B2 (en) 2017-12-30 2021-03-09 Knowles Electronics, Llc Electroacoustic transducer with improved shock protection
US11659337B1 (en) 2021-12-29 2023-05-23 Knowles Electronics, Llc Balanced armature receiver having improved shock performance

Similar Documents

Publication Publication Date Title
FR551182A (en) Method and devices for the production and use of vibratory motion created and maintained electrically or mechanically
FR26763E (en) Method and devices for the production and use of vibratory motion created and maintained electrically or mechanically
FR601740A (en) Method and apparatus for the electrical formation of nitrogen oxides
FR24452E (en) Electrical apparatus for the production of vibrations of variable amplitude and frequency
FR970954A (en) Oscillator for the production of non-sine waves
FR556782A (en) Installation for the use of wave motion
FR63285E (en) Apparatus for the production of vibrations
FR1046518A (en) Apparatus for the production of vibrations
FR569367A (en) Method and device for the production of ozone by electrical means
FR580479A (en) Method and devices for the rapid enlargement of rings and the like
FR626403A (en) Device for the production of electric oscillations
FR556892A (en) Method and apparatus for the continuous manufacture of acetone
FR62776E (en) Apparatus for the production of vibrations
FR574173A (en) Industrial method and device for the synthetic manufacture of hydrocarbons by electrical means
FR623435A (en) Device for the production of continuous electric waves
FR565550A (en) Method and devices for energy production
FR643191A (en) Device for the production of short electric waves
FR617700A (en) System used for the production of electrical oscillations
FR569799A (en) Method and device for producing un-damped electrical oscillations
FR570966A (en) Apparatus for the synthetic production of ammonia
FR32648E (en) Device for the production of continuous electric waves
FR557641A (en) Apparatus for the production of changing electroluminous effects
FR643123A (en) Embroidery process and devices
FR578124A (en) Method and devices for receiving electric waves
FR569487A (en) Process and device for the production and projection of fire-extinguishing emulsions