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CA1042544A - Haut-parleur a large bande - Google Patents

Haut-parleur a large bande

Info

Publication number
CA1042544A
CA1042544A CA301,687A CA301687A CA1042544A CA 1042544 A CA1042544 A CA 1042544A CA 301687 A CA301687 A CA 301687A CA 1042544 A CA1042544 A CA 1042544A
Authority
CA
Canada
Prior art keywords
coil
field
magnetic field
subfields
radiating surface
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
CA301,687A
Other languages
English (en)
Inventor
Burton A. Babb
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.)
BABBCO
Original Assignee
BABBCO
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
Priority claimed from US05/372,074 external-priority patent/US3983337A/en
Application filed by BABBCO filed Critical BABBCO
Application granted granted Critical
Publication of CA1042544A publication Critical patent/CA1042544A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CA301,687A 1973-06-21 1978-04-21 Haut-parleur a large bande Expired CA1042544A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/372,074 US3983337A (en) 1973-06-21 1973-06-21 Broad-band acoustic speaker
CA200,953A CA1034247A (fr) 1973-06-21 1974-05-27 Haut-parleur acoustique a large bande

Publications (1)

Publication Number Publication Date
CA1042544A true CA1042544A (fr) 1978-11-14

Family

ID=25667590

Family Applications (2)

Application Number Title Priority Date Filing Date
CA301,687A Expired CA1042544A (fr) 1973-06-21 1978-04-21 Haut-parleur a large bande
CA301,686A Expired CA1042543A (fr) 1973-06-21 1978-04-21 Haut-parleur a large bande

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA301,686A Expired CA1042543A (fr) 1973-06-21 1978-04-21 Haut-parleur a large bande

Country Status (1)

Country Link
CA (2) CA1042544A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115209308B (zh) * 2021-04-09 2025-01-17 广东小天才科技有限公司 一种音频信号控制方法及装置

Also Published As

Publication number Publication date
CA1042543A (fr) 1978-11-14

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