FR823556A - éléments vibrants - Google Patents

éléments vibrants

Info

Publication number
FR823556A
FR823556A FR823556DA FR823556A FR 823556 A FR823556 A FR 823556A FR 823556D A FR823556D A FR 823556DA FR 823556 A FR823556 A FR 823556A
Authority
FR
France
Prior art keywords
vibrating elements
vibrating
elements
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
English (en)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR823556A publication Critical patent/FR823556A/fr
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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Vibration Prevention Devices (AREA)
FR823556D 1936-06-25 1937-06-24 éléments vibrants Expired FR823556A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87205A US2166326A (en) 1936-06-25 1936-06-25 Method of damping vibratory members

Publications (1)

Publication Number Publication Date
FR823556A true FR823556A (fr) 1938-01-22

Family

ID=22203722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823556D Expired FR823556A (fr) 1936-06-25 1937-06-24 éléments vibrants

Country Status (3)

Country Link
US (1) US2166326A (fr)
FR (1) FR823556A (fr)
GB (1) GB493160A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488608A (en) * 1941-10-09 1949-11-22 Rca Corp Signal translating apparatus and supporting means therefor
US2499210A (en) * 1946-12-31 1950-02-28 Rca Corp Film drive filter
US2689105A (en) * 1950-07-08 1954-09-14 Gen Electric Resilient mount
US2745508A (en) * 1952-09-11 1956-05-15 Dictograph Products Co Inc Microphone support
DE976256C (de) * 1954-07-21 1963-05-30 Philips Nv Piezoelektrische Kristallplatte mit Daempfungsschicht
US2952827A (en) * 1956-11-13 1960-09-13 Edcliff Instr Electric contact
US3060282A (en) * 1957-07-26 1962-10-23 Baldwin Piano Co Electroacoustic transducer
US3093710A (en) * 1959-07-06 1963-06-11 Gulton Ind Inc Piezoelectric electromechanical transducer

Also Published As

Publication number Publication date
GB493160A (en) 1938-10-04
US2166326A (en) 1939-07-18

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