DE2800471C2 - - Google Patents

Info

Publication number
DE2800471C2
DE2800471C2 DE2800471A DE2800471A DE2800471C2 DE 2800471 C2 DE2800471 C2 DE 2800471C2 DE 2800471 A DE2800471 A DE 2800471A DE 2800471 A DE2800471 A DE 2800471A DE 2800471 C2 DE2800471 C2 DE 2800471C2
Authority
DE
Germany
Prior art keywords
funnel
stage
opening
acoustic
pressure chamber
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
DE2800471A
Other languages
German (de)
English (en)
Other versions
DE2800471A1 (de
Inventor
Frederick Louis Smoke Rise N.J. Us Seebinger
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.)
AMERICAN TRADING AND PRODUCTION CORP BALTIMORE MD US
Original Assignee
AMERICAN TRADING AND PRODUCTION CORP BALTIMORE MD US
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 AMERICAN TRADING AND PRODUCTION CORP BALTIMORE MD US filed Critical AMERICAN TRADING AND PRODUCTION CORP BALTIMORE MD US
Publication of DE2800471A1 publication Critical patent/DE2800471A1/de
Application granted granted Critical
Publication of DE2800471C2 publication Critical patent/DE2800471C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DE19782800471 1977-03-17 1978-01-05 Trichterlautsprecher Granted DE2800471A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/778,813 US4116302A (en) 1977-03-17 1977-03-17 Horn loudspeaker

Publications (2)

Publication Number Publication Date
DE2800471A1 DE2800471A1 (de) 1978-09-21
DE2800471C2 true DE2800471C2 (https=) 1987-07-16

Family

ID=25114460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782800471 Granted DE2800471A1 (de) 1977-03-17 1978-01-05 Trichterlautsprecher

Country Status (4)

Country Link
US (1) US4116302A (https=)
JP (1) JPS5821988B2 (https=)
DE (1) DE2800471A1 (https=)
GB (1) GB1593769A (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479628A (en) * 1982-03-01 1984-10-30 Albright Ronald G Fishing rod holder
US4884523A (en) * 1986-03-06 1989-12-05 Wheeler Basil W Vehicle warning system
US6516076B1 (en) 2000-07-12 2003-02-04 Atlas Sound, L.P. Modular horn loudspeaker
US7275621B1 (en) 2005-01-18 2007-10-02 Klipsch, Llc Skew horn for a loudspeaker
US8194905B1 (en) 2007-02-14 2012-06-05 Vinther Sr Gordon Alfred Coherent wave full spectrum acoustic horn
US7617794B2 (en) * 2007-03-30 2009-11-17 Nissan Technical Center North America, Inc. One piece horn cover
CN106531147A (zh) * 2016-12-30 2017-03-22 上海孩子国科教设备有限公司 声音加强设备、语音加强助记设备及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20961A (en) * 1858-07-20 staehlen
US1666057A (en) * 1921-07-12 1928-04-10 Grissinger Elwood Sound-projecting apparatus
GB192172A (en) * 1921-10-28 1923-01-29 Sidney John Mortimer Improvements in and relating to the horns and trumpets of phonographs, gramophones and the like
US1542906A (en) * 1922-07-19 1925-06-23 Edward R O Neill Jr Sound modulator
FR585593A (fr) * 1923-03-20 1925-03-03 Perfectionnements aux meubles pour appareils récepteurs d'ondes sans fil
US1722220A (en) * 1927-05-13 1929-07-23 Harold M Hurlbert Horn
US1832763A (en) * 1927-09-26 1931-11-17 William M Campbell Acoustic chamber
US2803004A (en) * 1955-11-22 1957-08-13 Gen Motors Corp Electro-magnetic diaphragm horn and circuit breaker therefor
US3432002A (en) * 1967-05-01 1969-03-11 Ltv Ling Altec Inc Horn-loaded loudspeaker
JP2521253Y2 (ja) * 1990-05-14 1996-12-25 関東自動車工業株式会社 自動車のニーレスト兼用スピーカ

Also Published As

Publication number Publication date
DE2800471A1 (de) 1978-09-21
GB1593769A (en) 1981-07-22
US4116302A (en) 1978-09-26
JPS5821988B2 (ja) 1983-05-06
JPS53116818A (en) 1978-10-12

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee