DE8903591U1 - - Google Patents

Info

Publication number
DE8903591U1
DE8903591U1 DE8903591U DE8903591U DE8903591U1 DE 8903591 U1 DE8903591 U1 DE 8903591U1 DE 8903591 U DE8903591 U DE 8903591U DE 8903591 U DE8903591 U DE 8903591U DE 8903591 U1 DE8903591 U1 DE 8903591U1
Authority
DE
Germany
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 - Lifetime
Application number
DE8903591U
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schucht Conrad Dipl-Ing 3300 Braunschweig De
Original Assignee
Schucht Conrad Dipl-Ing 3300 Braunschweig De
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 Schucht Conrad Dipl-Ing 3300 Braunschweig De filed Critical Schucht Conrad Dipl-Ing 3300 Braunschweig De
Priority to DE8903591U priority Critical patent/DE8903591U1/de
Priority to DE19904008646 priority patent/DE4008646A1/de
Publication of DE8903591U1 publication Critical patent/DE8903591U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R1/32—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
    • 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

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)
DE8903591U 1989-03-22 1989-03-22 Expired - Lifetime DE8903591U1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8903591U DE8903591U1 (de) 1989-03-22 1989-03-22
DE19904008646 DE4008646A1 (de) 1989-03-22 1990-03-17 Schallfuehrung fuer schallwandler mit kreisfoermiger membran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8903591U DE8903591U1 (de) 1989-03-22 1989-03-22

Publications (1)

Publication Number Publication Date
DE8903591U1 true DE8903591U1 (de) 1990-04-19

Family

ID=6837426

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8903591U Expired - Lifetime DE8903591U1 (de) 1989-03-22 1989-03-22
DE19904008646 Withdrawn DE4008646A1 (de) 1989-03-22 1990-03-17 Schallfuehrung fuer schallwandler mit kreisfoermiger membran

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19904008646 Withdrawn DE4008646A1 (de) 1989-03-22 1990-03-17 Schallfuehrung fuer schallwandler mit kreisfoermiger membran

Country Status (1)

Country Link
DE (2) DE8903591U1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10305010B4 (de) 2003-02-07 2012-06-28 Robert Bosch Gmbh Vorrichtung und Verfahren zur Bilderzeugung

Also Published As

Publication number Publication date
DE4008646A1 (de) 1990-10-04

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