FR698003A - Loudspeaker enhancements - Google Patents

Loudspeaker enhancements

Info

Publication number
FR698003A
FR698003A FR698003DA FR698003A FR 698003 A FR698003 A FR 698003A FR 698003D A FR698003D A FR 698003DA FR 698003 A FR698003 A FR 698003A
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker enhancements
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
Ephraim Banning
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 FR698003A publication Critical patent/FR698003A/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)
  • Woven Fabrics (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR698003D 1929-08-09 1930-04-30 Loudspeaker enhancements Expired FR698003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US384739A US1767657A (en) 1929-08-09 1929-08-09 Capacity reproducer

Publications (1)

Publication Number Publication Date
FR698003A true FR698003A (en) 1931-01-26

Family

ID=23518551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698003D Expired FR698003A (en) 1929-08-09 1930-04-30 Loudspeaker enhancements

Country Status (3)

Country Link
US (1) US1767657A (en)
FR (1) FR698003A (en)
GB (1) GB355806A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896025A (en) * 1955-06-21 1959-07-21 Francis D Wetherill Electrostatic loudspeaker
US3135838A (en) * 1958-12-10 1964-06-02 Wright St George Lab Inc Electrostatic loudspeaker
NL281794A (en) * 1961-08-07
US8472650B2 (en) * 2008-10-15 2013-06-25 Htc Corporation Electro-acoustic transducer
US8243965B2 (en) 2008-10-15 2012-08-14 Htc Corporation Electro-acoustic transducer
CN106546021A (en) * 2016-12-20 2017-03-29 江苏世林博尔制冷设备有限公司 A kind of water chiller with gas-liquid separator

Also Published As

Publication number Publication date
GB355806A (en) 1931-08-31
US1767657A (en) 1930-06-24

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