BE335674A - - Google Patents

Info

Publication number
BE335674A
BE335674A BE335674DA BE335674A BE 335674 A BE335674 A BE 335674A BE 335674D A BE335674D A BE 335674DA BE 335674 A BE335674 A BE 335674A
Authority
BE
Belgium
Application number
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.)
Publication of BE335674A publication Critical patent/BE335674A/xx

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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
BE335674D 1925-05-11 BE335674A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1722007X 1925-05-11

Publications (1)

Publication Number Publication Date
BE335674A true BE335674A (enrdf_load_html_response)

Family

ID=10889181

Family Applications (3)

Application Number Title Priority Date Filing Date
BE335674D BE335674A (enrdf_load_html_response) 1925-05-11
BE335672D BE335672A (enrdf_load_html_response) 1925-05-11
BE335673D BE335673A (enrdf_load_html_response) 1925-05-11

Family Applications After (2)

Application Number Title Priority Date Filing Date
BE335672D BE335672A (enrdf_load_html_response) 1925-05-11
BE335673D BE335673A (enrdf_load_html_response) 1925-05-11

Country Status (5)

Country Link
US (3) US1722008A (enrdf_load_html_response)
BE (3) BE335673A (enrdf_load_html_response)
DE (2) DE463897C (enrdf_load_html_response)
FR (3) FR613216A (enrdf_load_html_response)
GB (3) GB256677A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943412C (de) * 1951-06-13 1956-05-17 Elbau Elektrotechnik Aappbau Schutzkoerper fuer Schallstrahler
DE949406C (de) * 1953-06-07 1956-09-20 Wilhelm Silberkuhl Dipl Ing Tonschrank mit mehreren Lautsprechern, durch die Resonatoren angeregt werden
US3015366A (en) * 1956-12-14 1962-01-02 George M Bishop Speaker system

Also Published As

Publication number Publication date
BE335672A (enrdf_load_html_response)
DE463898C (de) 1928-08-06
FR613217A (fr) 1926-11-12
BE335673A (enrdf_load_html_response)
US1730286A (en) 1929-10-01
FR613216A (fr) 1926-11-12
GB256677A (en) 1926-08-11
FR613218A (fr) 1926-11-12
DE463897C (de) 1928-08-06
US1722007A (en) 1929-07-23
GB259103A (en) 1926-10-07
GB261154A (en) 1926-11-18
US1722008A (en) 1929-07-23

Similar Documents

Publication Publication Date Title
AT108862B (enrdf_load_html_response)
AT108642B (enrdf_load_html_response)
AT108860B (enrdf_load_html_response)
AT108864B (enrdf_load_html_response)
AT108975B (enrdf_load_html_response)
AT99321B (enrdf_load_html_response)
BE330611A (enrdf_load_html_response)
BE325119A (enrdf_load_html_response)
BE329122A (enrdf_load_html_response)
BE331135A (enrdf_load_html_response)
BE331453A (enrdf_load_html_response)
BE331583A (enrdf_load_html_response)
BE252855A (enrdf_load_html_response)
BE254316A (enrdf_load_html_response)
BE256737A (enrdf_load_html_response)
BE268047A (enrdf_load_html_response)
BE247555A (enrdf_load_html_response)
BE328518A (enrdf_load_html_response)
BE330822A (enrdf_load_html_response)
BE331482A (enrdf_load_html_response)
BE331348A (enrdf_load_html_response)
BE331402A (enrdf_load_html_response)
BE331413A (enrdf_load_html_response)
BE331444A (enrdf_load_html_response)
BE332658A (enrdf_load_html_response)