CH109921A - Loudspeaker with vibration generator and conical membrane. - Google Patents

Loudspeaker with vibration generator and conical membrane.

Info

Publication number
CH109921A
CH109921A CH109921DA CH109921A CH 109921 A CH109921 A CH 109921A CH 109921D A CH109921D A CH 109921DA CH 109921 A CH109921 A CH 109921A
Authority
CH
Switzerland
Prior art keywords
loudspeaker
vibration generator
conical membrane
conical
membrane
Prior art date
Application number
Other languages
German (de)
Inventor
Co Bell Telephon Manufacturing
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH109921A publication Critical patent/CH109921A/en

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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CH109921D 1923-11-30 1924-01-12 Loudspeaker with vibration generator and conical membrane. CH109921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5577/25A GB231798A (en) 1923-11-30 1923-11-30 Improvements in acoustic devices

Publications (1)

Publication Number Publication Date
CH109921A true CH109921A (en) 1925-05-01

Family

ID=9798721

Family Applications (1)

Application Number Title Priority Date Filing Date
CH109921D CH109921A (en) 1923-11-30 1924-01-12 Loudspeaker with vibration generator and conical membrane.

Country Status (6)

Country Link
US (2) US1778308A (en)
CH (1) CH109921A (en)
DE (2) DE533263C (en)
FR (3) FR577680A (en)
GB (2) GB231798A (en)
NL (1) NL25188C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969535C (en) * 1942-04-14 1958-06-12 Siemens Ag Oscillating system with a membrane made of polyvinyl chloride film
US2826259A (en) * 1952-08-04 1958-03-11 Arthur W Page Concussion protection for loudspeakers
GB2359440A (en) * 2000-02-17 2001-08-22 Goodmans Loudspeakers Ltd Stiffening flange for a conical loudspeaker diaphragm

Also Published As

Publication number Publication date
FR29528E (en) 1925-08-22
FR29525E (en) 1925-08-22
FR577680A (en) 1924-08-09
GB231798A (en) 1925-03-30
NL25188C (en) 1931-10-15
US1778308A (en) 1930-10-14
DE533263C (en) 1931-09-10
GB240596A (en) 1925-10-08
DE517737C (en) 1931-02-09
US1926888A (en) 1933-09-12

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