FR664625A - Acoustic vibration damping device - Google Patents

Acoustic vibration damping device

Info

Publication number
FR664625A
FR664625A FR664625DA FR664625A FR 664625 A FR664625 A FR 664625A FR 664625D A FR664625D A FR 664625DA FR 664625 A FR664625 A FR 664625A
Authority
FR
France
Prior art keywords
vibration damping
damping device
acoustic vibration
acoustic
vibration
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products 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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR664625A publication Critical patent/FR664625A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR664625D 1928-06-09 1928-11-26 Acoustic vibration damping device Expired FR664625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US578679XA 1928-06-09 1928-06-09

Publications (1)

Publication Number Publication Date
FR664625A true FR664625A (en) 1929-09-05

Family

ID=22013210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664625D Expired FR664625A (en) 1928-06-09 1928-11-26 Acoustic vibration damping device

Country Status (2)

Country Link
DE (1) DE578679C (en)
FR (1) FR664625A (en)

Also Published As

Publication number Publication date
DE578679C (en) 1933-06-16

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