DE2901021A1 - Lautsprecher - Google Patents

Lautsprecher

Info

Publication number
DE2901021A1
DE2901021A1 DE19792901021 DE2901021A DE2901021A1 DE 2901021 A1 DE2901021 A1 DE 2901021A1 DE 19792901021 DE19792901021 DE 19792901021 DE 2901021 A DE2901021 A DE 2901021A DE 2901021 A1 DE2901021 A1 DE 2901021A1
Authority
DE
Germany
Prior art keywords
frequency
loudspeaker
transistor
power point
base
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.)
Withdrawn
Application number
DE19792901021
Other languages
German (de)
English (en)
Inventor
Iii Charles R Barker
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.)
Bose Corp
Original Assignee
Bose Corp
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 Bose Corp filed Critical Bose Corp
Publication of DE2901021A1 publication Critical patent/DE2901021A1/de
Withdrawn legal-status Critical Current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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H04R3/14—Cross-over networks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
DE19792901021 1979-01-05 1979-01-12 Lautsprecher Withdrawn DE2901021A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7900066A NL7900066A (nl) 1979-01-05 1979-01-05 Luidsprekerinrichting met verbeterde lage-tonenluid- sprekerefficieentie.

Publications (1)

Publication Number Publication Date
DE2901021A1 true DE2901021A1 (de) 1980-07-24

Family

ID=19832399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792901021 Withdrawn DE2901021A1 (de) 1979-01-05 1979-01-12 Lautsprecher

Country Status (4)

Country Link
CA (1) CA1110176A (US07166745-20070123-C00016.png)
DE (1) DE2901021A1 (US07166745-20070123-C00016.png)
FR (1) FR2448272A1 (US07166745-20070123-C00016.png)
NL (1) NL7900066A (US07166745-20070123-C00016.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2899995A4 (en) * 2013-11-19 2015-11-25 Goertek Inc MINIATURE SPEAKER MODULE, METHOD FOR IMPROVING THE FREQUENCY REACTION THEREOF AND ELECTRONIC DEVICE

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8501719A (nl) * 1985-06-14 1987-01-02 Philips Nv Basreflex luidsprekersysteem.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2899995A4 (en) * 2013-11-19 2015-11-25 Goertek Inc MINIATURE SPEAKER MODULE, METHOD FOR IMPROVING THE FREQUENCY REACTION THEREOF AND ELECTRONIC DEVICE

Also Published As

Publication number Publication date
CA1110176A (en) 1981-10-06
FR2448272A1 (fr) 1980-08-29
FR2448272B3 (US07166745-20070123-C00016.png) 1981-10-16
NL7900066A (nl) 1980-07-08

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee