FR707102A - Low frequency vibrator with electrodynamic excitation - Google Patents

Low frequency vibrator with electrodynamic excitation

Info

Publication number
FR707102A
FR707102A FR707102DA FR707102A FR 707102 A FR707102 A FR 707102A FR 707102D A FR707102D A FR 707102DA FR 707102 A FR707102 A FR 707102A
Authority
FR
France
Prior art keywords
low frequency
frequency vibrator
electrodynamic excitation
electrodynamic
excitation
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 Blanchard
Albert Nandillon
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 FR707102A publication Critical patent/FR707102A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR707102D 1930-03-07 1930-03-07 Low frequency vibrator with electrodynamic excitation Expired FR707102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR707102T 1930-03-07

Publications (1)

Publication Number Publication Date
FR707102A true FR707102A (en) 1931-07-03

Family

ID=9068140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707102D Expired FR707102A (en) 1930-03-07 1930-03-07 Low frequency vibrator with electrodynamic excitation

Country Status (1)

Country Link
FR (1) FR707102A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481131A (en) * 1941-11-01 1949-09-06 Jeffrey Company Vibrating apparatus
DE972198C (en) * 1950-01-28 1959-07-02 Heinrich Dipl-Ing Doelz Electric oscillating drive for encapsulated refrigeration compressors based on the plunger piston principle
DE973306C (en) * 1948-10-02 1960-01-14 Siemens Ag Electric motor in which a straight movement is achieved through the action of a single-phase alternating field on a short-circuit coil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481131A (en) * 1941-11-01 1949-09-06 Jeffrey Company Vibrating apparatus
DE973306C (en) * 1948-10-02 1960-01-14 Siemens Ag Electric motor in which a straight movement is achieved through the action of a single-phase alternating field on a short-circuit coil
DE972198C (en) * 1950-01-28 1959-07-02 Heinrich Dipl-Ing Doelz Electric oscillating drive for encapsulated refrigeration compressors based on the plunger piston principle

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