FR1059013A - Cylindrical electromechanical device of the torsion-operated type for energy transformation - Google Patents

Cylindrical electromechanical device of the torsion-operated type for energy transformation

Info

Publication number
FR1059013A
FR1059013A FR1059013DA FR1059013A FR 1059013 A FR1059013 A FR 1059013A FR 1059013D A FR1059013D A FR 1059013DA FR 1059013 A FR1059013 A FR 1059013A
Authority
FR
France
Prior art keywords
torsion
electromechanical device
operated type
energy transformation
cylindrical electromechanical
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)
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.)
Brush Development Co
Original Assignee
Brush Development Co
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 Brush Development Co filed Critical Brush Development Co
Application granted granted Critical
Publication of FR1059013A publication Critical patent/FR1059013A/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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1059013D 1951-05-22 1952-04-04 Cylindrical electromechanical device of the torsion-operated type for energy transformation Expired FR1059013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1059013XA 1951-05-22 1951-05-22

Publications (1)

Publication Number Publication Date
FR1059013A true FR1059013A (en) 1954-03-22

Family

ID=22308422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1059013D Expired FR1059013A (en) 1951-05-22 1952-04-04 Cylindrical electromechanical device of the torsion-operated type for energy transformation

Country Status (2)

Country Link
FR (1) FR1059013A (en)
NL (1) NL87399C (en)

Also Published As

Publication number Publication date
NL87399C (en)

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