IT1319829B1 - Dispositivo trasduttore a circuito oscillante. - Google Patents

Dispositivo trasduttore a circuito oscillante.

Info

Publication number
IT1319829B1
IT1319829B1 IT2000TO000100A ITTO20000100A IT1319829B1 IT 1319829 B1 IT1319829 B1 IT 1319829B1 IT 2000TO000100 A IT2000TO000100 A IT 2000TO000100A IT TO20000100 A ITTO20000100 A IT TO20000100A IT 1319829 B1 IT1319829 B1 IT 1319829B1
Authority
IT
Italy
Prior art keywords
oscillating circuit
transducer device
circuit transducer
oscillating
transducer
Prior art date
Application number
IT2000TO000100A
Other languages
English (en)
Inventor
Francis Chauvet
Original Assignee
Schneider Electric Ind 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 Schneider Electric Ind Sa filed Critical Schneider Electric Ind Sa
Publication of ITTO20000100A1 publication Critical patent/ITTO20000100A1/it
Application granted granted Critical
Publication of IT1319829B1 publication Critical patent/IT1319829B1/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/802Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Inverter Devices (AREA)
IT2000TO000100A 1999-02-02 2000-02-01 Dispositivo trasduttore a circuito oscillante. IT1319829B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9901206A FR2789257B1 (fr) 1999-02-02 1999-02-02 Dispositif transducteur a circuit oscillant

Publications (2)

Publication Number Publication Date
ITTO20000100A1 ITTO20000100A1 (it) 2001-08-01
IT1319829B1 true IT1319829B1 (it) 2003-11-03

Family

ID=9541524

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000TO000100A IT1319829B1 (it) 1999-02-02 2000-02-01 Dispositivo trasduttore a circuito oscillante.

Country Status (6)

Country Link
US (1) US6194810B1 (it)
JP (1) JP4562228B2 (it)
BE (1) BE1012514A3 (it)
DE (1) DE10004223A1 (it)
FR (1) FR2789257B1 (it)
IT (1) IT1319829B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6459190B1 (en) * 2000-08-11 2002-10-01 Piezomotor Uppsala Ab Switched actuator control
US8266451B2 (en) * 2001-08-31 2012-09-11 Gemalto Sa Voice activated smart card

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445071A1 (fr) * 1978-12-19 1980-07-18 Thomson Csf Element de logique sequentielle
FR2559331B1 (fr) * 1984-02-06 1989-05-12 Cgv Comp Gen Videotech Procede et circuit pour la production d'impulsions destinees a un codeur ou decodeur pal ou secam
GB8706275D0 (en) * 1987-03-17 1987-04-23 Rca Corp Gate circuit
JPS63250697A (ja) * 1987-04-07 1988-10-18 日本電気株式会社 容量性負荷の駆動回路
JPS6423778A (en) * 1987-07-15 1989-01-26 Seiko Instr & Electronics Surge motor driving circuit
JP2946533B2 (ja) * 1989-06-08 1999-09-06 株式会社ニコン 超音波モータの駆動装置
JP3044776B2 (ja) * 1990-11-08 2000-05-22 株式会社デンソー 通電方法
JP2738159B2 (ja) * 1991-03-06 1998-04-08 日本電気株式会社 クロック信号制御回路
JP3164239B2 (ja) * 1992-01-16 2001-05-08 オリンパス光学工業株式会社 振動波モータの駆動回路
JP3412876B2 (ja) * 1993-09-27 2003-06-03 松下電工株式会社 ブザー駆動装置
JPH10284941A (ja) * 1997-03-31 1998-10-23 Toyo Commun Equip Co Ltd 周波数補正機能を有する圧電発振器

Also Published As

Publication number Publication date
DE10004223A1 (de) 2000-08-03
FR2789257A1 (fr) 2000-08-04
BE1012514A3 (fr) 2000-11-07
ITTO20000100A1 (it) 2001-08-01
FR2789257B1 (fr) 2002-11-15
US6194810B1 (en) 2001-02-27
JP4562228B2 (ja) 2010-10-13
JP2000235395A (ja) 2000-08-29

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