GB915367A - Improvements in or relating to loudspeaker systems - Google Patents

Improvements in or relating to loudspeaker systems

Info

Publication number
GB915367A
GB915367A GB776060A GB776060A GB915367A GB 915367 A GB915367 A GB 915367A GB 776060 A GB776060 A GB 776060A GB 776060 A GB776060 A GB 776060A GB 915367 A GB915367 A GB 915367A
Authority
GB
United Kingdom
Prior art keywords
loud
vapour
space
speaker
march
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
GB776060A
Other languages
English (en)
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB915367A publication Critical patent/GB915367A/en
Expired 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
    • H04R1/22—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
    • H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers

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)
  • Details Of Audible-Bandwidth Transducers (AREA)
GB776060A 1959-03-07 1960-03-04 Improvements in or relating to loudspeaker systems Expired GB915367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL236886 1959-03-07

Publications (1)

Publication Number Publication Date
GB915367A true GB915367A (en) 1963-01-09

Family

ID=19751613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB776060A Expired GB915367A (en) 1959-03-07 1960-03-04 Improvements in or relating to loudspeaker systems

Country Status (5)

Country Link
BE (1) BE588332A (fi)
DE (1) DE1098038B (fi)
FR (1) FR1250279A (fi)
GB (1) GB915367A (fi)
NL (2) NL111477C (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984003600A1 (en) * 1983-03-02 1984-09-13 Brian Douglas Ward Constant pressure device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004094A (en) * 1976-03-16 1977-01-18 Novar Electronics Corporation Enclosure system for sound generators
US4350724A (en) 1978-05-08 1982-09-21 Marrs Ralph E Acoustic energy systems
US4450929A (en) * 1980-05-09 1984-05-29 Marrs Ralph E Acoustic energy systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984003600A1 (en) * 1983-03-02 1984-09-13 Brian Douglas Ward Constant pressure device
GB2146871A (en) * 1983-03-02 1985-04-24 Brian Douglas Ward Constant pressure device

Also Published As

Publication number Publication date
DE1098038B (de) 1961-01-26
FR1250279A (fr) 1961-01-06
NL111477C (fi) 1965-07-15
NL236886A (fi)
BE588332A (fr) 1960-09-05

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