DE2746819C2 - - Google Patents

Info

Publication number
DE2746819C2
DE2746819C2 DE19772746819 DE2746819A DE2746819C2 DE 2746819 C2 DE2746819 C2 DE 2746819C2 DE 19772746819 DE19772746819 DE 19772746819 DE 2746819 A DE2746819 A DE 2746819A DE 2746819 C2 DE2746819 C2 DE 2746819C2
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
Application number
DE19772746819
Other languages
German (de)
Other versions
DE2746819A1 (de
Inventor
Erwin Dipl.-Ing. Martin
Heribert Dipl.-Phys. 8000 Muenchen De Kulzer
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19772746819 priority Critical patent/DE2746819A1/de
Publication of DE2746819A1 publication Critical patent/DE2746819A1/de
Application granted granted Critical
Publication of DE2746819C2 publication Critical patent/DE2746819C2/de
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only¬†
DE19772746819 1977-10-18 1977-10-18 Elektrodynamischer wandler mit tiefenresonator Granted DE2746819A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772746819 DE2746819A1 (de) 1977-10-18 1977-10-18 Elektrodynamischer wandler mit tiefenresonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772746819 DE2746819A1 (de) 1977-10-18 1977-10-18 Elektrodynamischer wandler mit tiefenresonator

Publications (2)

Publication Number Publication Date
DE2746819A1 DE2746819A1 (de) 1979-04-26
DE2746819C2 true DE2746819C2 (ja) 1987-01-08

Family

ID=6021713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772746819 Granted DE2746819A1 (de) 1977-10-18 1977-10-18 Elektrodynamischer wandler mit tiefenresonator

Country Status (1)

Country Link
DE (1) DE2746819A1 (ja)

Also Published As

Publication number Publication date
DE2746819A1 (de) 1979-04-26

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee