FR507609A - Sound wave generator - Google Patents

Sound wave generator

Info

Publication number
FR507609A
FR507609A FR507609A FR507609DA FR507609A FR 507609 A FR507609 A FR 507609A FR 507609 A FR507609 A FR 507609A FR 507609D A FR507609D A FR 507609DA FR 507609 A FR507609 A FR 507609A
Authority
FR
France
Prior art keywords
sound wave
wave generator
generator
sound
wave
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
FR507609A
Other languages
French (fr)
Inventor
Michael Idvorsky Pupin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR507609A publication Critical patent/FR507609A/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
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Electrophonic Musical Instruments (AREA)
FR507609A 1918-02-04 1919-12-20 Sound wave generator Expired FR507609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US215291A US1399877A (en) 1918-02-04 1918-02-04 Sound-generator

Publications (1)

Publication Number Publication Date
FR507609A true FR507609A (en) 1920-09-20

Family

ID=22802394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR507609A Expired FR507609A (en) 1918-02-04 1919-12-20 Sound wave generator

Country Status (3)

Country Link
US (1) US1399877A (en)
FR (1) FR507609A (en)
GB (1) GB139497A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415094A (en) * 1938-01-17 1947-02-04 Board Radio measurement of distances and velocities
US2541944A (en) * 1946-06-13 1951-02-13 Stromberg Carlson Co Diaphragm mounting
US2530971A (en) * 1947-07-26 1950-11-21 Standard Oil Dev Co Acoustic well logging apparatus
US3160715A (en) * 1960-11-15 1964-12-08 Gussing Nils Torsten Alson Electrostatic loudspeakers
US3557899A (en) * 1967-01-10 1971-01-26 Edward G Longinette Riot control devices employing a modulated stimulus frequency
SE415420B (en) * 1978-05-16 1980-09-29 Klaus Kulper HIGH EFFICIENCY CONDENSOR WITH GASFUL DIELECTRIC

Also Published As

Publication number Publication date
US1399877A (en) 1921-12-13
GB139497A (en) 1920-11-11

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