DD131059A5 - Kardiodid-schallstrahler - Google Patents

Kardiodid-schallstrahler

Info

Publication number
DD131059A5
DD131059A5 DD19932277A DD19932277A DD131059A5 DD 131059 A5 DD131059 A5 DD 131059A5 DD 19932277 A DD19932277 A DD 19932277A DD 19932277 A DD19932277 A DD 19932277A DD 131059 A5 DD131059 A5 DD 131059A5
Authority
DD
German Democratic Republic
Prior art keywords
kardiodid
spotlight
sound
sound spotlight
Prior art date
Application number
DD19932277A
Other languages
German (de)
English (en)
Inventor
Geza Balogh
Ilona Balogh
Emil Sesztak
Original Assignee
Elektroakusztikai Gyar
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 Elektroakusztikai Gyar filed Critical Elektroakusztikai Gyar
Publication of DD131059A5 publication Critical patent/DD131059A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R1/347—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 for obtaining a phase-shift between the front and back acoustic wave

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DD19932277A 1976-09-15 1977-06-06 Kardiodid-schallstrahler DD131059A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76EE2441A HU173844B (hu) 1976-09-15 1976-09-15 Kardiodnyj zvukovoj izluchatel'

Publications (1)

Publication Number Publication Date
DD131059A5 true DD131059A5 (de) 1978-05-24

Family

ID=10995695

Family Applications (1)

Application Number Title Priority Date Filing Date
DD19932277A DD131059A5 (de) 1976-09-15 1977-06-06 Kardiodid-schallstrahler

Country Status (9)

Country Link
AT (1) AT360602B (cs)
CS (1) CS244103B2 (cs)
DD (1) DD131059A5 (cs)
FR (1) FR2365266A1 (cs)
HU (1) HU173844B (cs)
IT (1) IT1116791B (cs)
PL (1) PL110720B1 (cs)
SU (1) SU786940A3 (cs)
YU (1) YU40676B (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI823540A0 (fi) * 1982-10-18 1982-10-18 Polarpro Oy Hoegtalare
EP1737266B1 (en) * 2004-04-13 2013-05-15 Panasonic Corporation Speaker device

Also Published As

Publication number Publication date
SU786940A3 (ru) 1980-12-07
YU155677A (en) 1982-06-30
PL110720B1 (en) 1980-07-31
CS244103B2 (en) 1986-07-17
FR2365266B1 (cs) 1980-03-21
PL198784A1 (pl) 1978-03-28
FR2365266A1 (fr) 1978-04-14
ATA396977A (de) 1980-06-15
HU173844B (hu) 1979-09-28
YU40676B (en) 1986-04-30
IT1116791B (it) 1986-02-10
AT360602B (de) 1981-01-26

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