FR611587A - Sound amplifier for sound reproducing devices - Google Patents

Sound amplifier for sound reproducing devices

Info

Publication number
FR611587A
FR611587A FR611587DA FR611587A FR 611587 A FR611587 A FR 611587A FR 611587D A FR611587D A FR 611587DA FR 611587 A FR611587 A FR 611587A
Authority
FR
France
Prior art keywords
sound
reproducing devices
amplifier
sound reproducing
sound amplifier
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
Robert Kapp
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 FR611587A publication Critical patent/FR611587A/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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR611587D 1925-02-23 1926-02-23 Sound amplifier for sound reproducing devices Expired FR611587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE611587X 1925-02-23

Publications (1)

Publication Number Publication Date
FR611587A true FR611587A (en) 1926-10-01

Family

ID=6576282

Family Applications (1)

Application Number Title Priority Date Filing Date
FR611587D Expired FR611587A (en) 1925-02-23 1926-02-23 Sound amplifier for sound reproducing devices

Country Status (1)

Country Link
FR (1) FR611587A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107527631A (en) * 2017-10-12 2017-12-29 深圳市视界精匠技术有限公司 A kind of gramophone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107527631A (en) * 2017-10-12 2017-12-29 深圳市视界精匠技术有限公司 A kind of gramophone
CN107527631B (en) * 2017-10-12 2023-04-14 茗匠精品(深圳)有限公司 Gramophone

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