FR2000392B1 - - Google Patents

Info

Publication number
FR2000392B1
FR2000392B1 FR6900784A FR6900784A FR2000392B1 FR 2000392 B1 FR2000392 B1 FR 2000392B1 FR 6900784 A FR6900784 A FR 6900784A FR 6900784 A FR6900784 A FR 6900784A FR 2000392 B1 FR2000392 B1 FR 2000392B1
Authority
FR
France
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
FR6900784A
Other languages
French (fr)
Other versions
FR2000392A1 (enrdf_load_stackoverflow
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.)
Rank Organization Ltd
Original Assignee
Rank Organization 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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of FR2000392A1 publication Critical patent/FR2000392A1/fr
Application granted granted Critical
Publication of FR2000392B1 publication Critical patent/FR2000392B1/fr
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/029—Manufacturing aspects of enclosures transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR6900784A 1968-01-18 1969-01-17 Expired FR2000392B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB274068 1968-01-18

Publications (2)

Publication Number Publication Date
FR2000392A1 FR2000392A1 (enrdf_load_stackoverflow) 1969-09-05
FR2000392B1 true FR2000392B1 (enrdf_load_stackoverflow) 1974-03-08

Family

ID=9744991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6900784A Expired FR2000392B1 (enrdf_load_stackoverflow) 1968-01-18 1969-01-17

Country Status (4)

Country Link
DE (1) DE1902361C3 (enrdf_load_stackoverflow)
FR (1) FR2000392B1 (enrdf_load_stackoverflow)
GB (1) GB1229451A (enrdf_load_stackoverflow)
NL (1) NL6900324A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2637487A1 (de) * 1976-08-20 1978-02-23 Blaupunkt Werke Gmbh Lautsprechergehaeuse fuer fahrzeuge
JPS5654709Y2 (enrdf_load_stackoverflow) * 1977-08-06 1981-12-19
GB2132853A (en) * 1982-09-07 1984-07-11 Andrew Jones Loudspeaker enclosure
HU193767B (en) * 1985-05-31 1987-11-30 Elektroakusztikai Gyar Loudspeaker, favourably sound column or horn loudspeaker
DE3706158A1 (de) * 1987-02-26 1988-09-29 Electronic Werke Deutschland Lautsprecherbox mit einem luftdicht abgeschlossenen gehaeuse
GB2222744A (en) * 1988-09-13 1990-03-14 B & W Loudspeakers Improvements in and relating to loudspeaker enclosures
DE9306941U1 (de) * 1993-05-07 1993-07-22 Nokia (Deutschland) GmbH, 7530 Pforzheim Am Gehäuse oder Chassis eines Gerätes der Unterhaltungselektronik befestigter Lautsprecher
GB9412427D0 (en) * 1994-06-21 1994-08-10 White Jonathan G M Loudspeakers
CN115209257B (zh) * 2022-09-14 2023-02-03 歌尔股份有限公司 发声装置的壳体、发声装置及电子设备

Also Published As

Publication number Publication date
FR2000392A1 (enrdf_load_stackoverflow) 1969-09-05
DE1902361B2 (de) 1977-08-04
GB1229451A (enrdf_load_stackoverflow) 1971-04-21
NL6900324A (enrdf_load_stackoverflow) 1969-07-22
DE1902361A1 (de) 1969-09-04
DE1902361C3 (de) 1978-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse