DE2228827C2 - Trompetenlautsprecher - Google Patents

Trompetenlautsprecher

Info

Publication number
DE2228827C2
DE2228827C2 DE19722228827 DE2228827A DE2228827C2 DE 2228827 C2 DE2228827 C2 DE 2228827C2 DE 19722228827 DE19722228827 DE 19722228827 DE 2228827 A DE2228827 A DE 2228827A DE 2228827 C2 DE2228827 C2 DE 2228827C2
Authority
DE
Germany
Prior art keywords
trumpet
membrane
loudspeaker
horn
frequency curve
Prior art date
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
DE19722228827
Other languages
German (de)
English (en)
Other versions
DE2228827A1 (de
Inventor
Mario Brescia Cesati
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2228827A1 publication Critical patent/DE2228827A1/de
Application granted granted Critical
Publication of DE2228827C2 publication Critical patent/DE2228827C2/de
Expired legal-status Critical Current

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
    • H04R1/22—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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE19722228827 1971-06-09 1972-06-09 Trompetenlautsprecher Expired DE2228827C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2569671 1971-06-09

Publications (2)

Publication Number Publication Date
DE2228827A1 DE2228827A1 (de) 1973-01-25
DE2228827C2 true DE2228827C2 (de) 1983-12-01

Family

ID=11217467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722228827 Expired DE2228827C2 (de) 1971-06-09 1972-06-09 Trompetenlautsprecher

Country Status (5)

Country Link
CH (1) CH551124A (enExample)
DE (1) DE2228827C2 (enExample)
ES (1) ES181623Y (enExample)
FR (1) FR2143715B3 (enExample)
NL (1) NL7207928A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592246A (en) * 1976-09-23 1981-07-01 Isaac T P Sound projection system
FR2495423B1 (fr) * 1980-11-28 1989-11-10 Topalian Daniel Enceinte acoustique a pavillon double avant non replie, et caisson ferme arriere

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE522584A (enExample) * 1952-09-11

Also Published As

Publication number Publication date
FR2143715B3 (enExample) 1975-08-08
ES181623U (es) 1973-04-01
CH551124A (it) 1974-06-28
NL7207928A (enExample) 1972-12-12
FR2143715A1 (enExample) 1973-02-09
DE2228827A1 (de) 1973-01-25
ES181623Y (es) 1974-03-16

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: MAIKOWSKI, M., DIPL.-ING. DR.-ING., PAT.-ANW., 1000 BERLIN

8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8328 Change in the person/name/address of the agent

Free format text: LORENZ, W., DIPL.-ING., PAT.-ANW., 7920 HEIDENHEIM

8339 Ceased/non-payment of the annual fee