SE393508B - ROUND SPEAKER IN A BALL-FORMED TWO-PART HOLE - Google Patents

ROUND SPEAKER IN A BALL-FORMED TWO-PART HOLE

Info

Publication number
SE393508B
SE393508B SE7403817A SE7403817A SE393508B SE 393508 B SE393508 B SE 393508B SE 7403817 A SE7403817 A SE 7403817A SE 7403817 A SE7403817 A SE 7403817A SE 393508 B SE393508 B SE 393508B
Authority
SE
Sweden
Prior art keywords
ball
part hole
round speaker
speaker
round
Prior art date
Application number
SE7403817A
Other languages
Swedish (sv)
Other versions
SE7403817L (en
Inventor
E Schmidberger
Original Assignee
Wigo Gottlop Widmann & Sohne G
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 Wigo Gottlop Widmann & Sohne G filed Critical Wigo Gottlop Widmann & Sohne G
Publication of SE7403817L publication Critical patent/SE7403817L/xx
Publication of SE393508B publication Critical patent/SE393508B/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Golf Clubs (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
SE7403817A 1973-08-30 1974-03-21 ROUND SPEAKER IN A BALL-FORMED TWO-PART HOLE SE393508B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7331468 1973-08-30

Publications (2)

Publication Number Publication Date
SE7403817L SE7403817L (en) 1975-03-03
SE393508B true SE393508B (en) 1977-05-09

Family

ID=6640354

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7403817A SE393508B (en) 1973-08-30 1974-03-21 ROUND SPEAKER IN A BALL-FORMED TWO-PART HOLE

Country Status (14)

Country Link
JP (1) JPS5437296Y2 (en)
AT (1) AT334436B (en)
BE (1) BE812893A (en)
CH (1) CH564296A5 (en)
DK (1) DK196574A (en)
ES (1) ES426700A1 (en)
FI (1) FI85774A (en)
FR (1) FR2242830B3 (en)
GB (1) GB1451169A (en)
IT (1) IT1020578B (en)
LU (1) LU69645A1 (en)
NL (1) NL7405042A (en)
NO (1) NO138010C (en)
SE (1) SE393508B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836329A (en) * 1987-07-21 1989-06-06 Hughes Aircraft Company Loudspeaker system with wide dispersion baffle
GB2212694A (en) * 1987-11-21 1989-07-26 Robert Alfred Webb Speaker
FR2637147B1 (en) * 1988-09-29 1990-12-28 Mutek Sarl OMNIDIRECTIONAL ELECTROACOUSTIC SPEAKER
GB2305062B (en) * 1995-09-06 2000-03-22 Thomas Davies Richard John Double accoustic deflector
US5784468A (en) * 1996-10-07 1998-07-21 Srs Labs, Inc. Spatial enhancement speaker systems and methods for spatially enhanced sound reproduction

Also Published As

Publication number Publication date
NO740917L (en) 1975-03-24
NO138010C (en) 1978-06-21
FR2242830B3 (en) 1977-01-07
FR2242830A1 (en) 1975-03-28
GB1451169A (en) 1976-09-29
LU69645A1 (en) 1974-07-10
AT334436B (en) 1976-01-10
ATA215974A (en) 1976-05-15
FI85774A (en) 1975-03-01
JPS50117817U (en) 1975-09-26
IT1020578B (en) 1977-12-30
BE812893A (en) 1974-07-15
NO138010B (en) 1978-02-27
CH564296A5 (en) 1975-07-15
ES426700A1 (en) 1976-08-01
NL7405042A (en) 1975-03-04
JPS5437296Y2 (en) 1979-11-09
SE7403817L (en) 1975-03-03
DK196574A (en) 1975-04-21

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