GB8332138D0 - Sound pressure active transformer - Google Patents

Sound pressure active transformer

Info

Publication number
GB8332138D0
GB8332138D0 GB838332138A GB8332138A GB8332138D0 GB 8332138 D0 GB8332138 D0 GB 8332138D0 GB 838332138 A GB838332138 A GB 838332138A GB 8332138 A GB8332138 A GB 8332138A GB 8332138 D0 GB8332138 D0 GB 8332138D0
Authority
GB
United Kingdom
Prior art keywords
sound pressure
pressure active
active transformer
transformer
sound
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.)
Granted
Application number
GB838332138A
Other versions
GB2150789A (en
GB2150789B (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.)
MGR INZ WLADYSLAW WYGNANSKI
Original Assignee
MGR INZ WLADYSLAW WYGNANSKI
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 MGR INZ WLADYSLAW WYGNANSKI filed Critical MGR INZ WLADYSLAW WYGNANSKI
Priority to GB08332138A priority Critical patent/GB2150789B/en
Publication of GB8332138D0 publication Critical patent/GB8332138D0/en
Publication of GB2150789A publication Critical patent/GB2150789A/en
Application granted granted Critical
Publication of GB2150789B publication Critical patent/GB2150789B/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
    • H04R1/42—Combinations of transducers with fluid-pressure or other non-electrical amplifying means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB08332138A 1983-12-01 1983-12-01 Loudspeaker Expired GB2150789B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08332138A GB2150789B (en) 1983-12-01 1983-12-01 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08332138A GB2150789B (en) 1983-12-01 1983-12-01 Loudspeaker

Publications (3)

Publication Number Publication Date
GB8332138D0 true GB8332138D0 (en) 1984-01-11
GB2150789A GB2150789A (en) 1985-07-03
GB2150789B GB2150789B (en) 1987-02-25

Family

ID=10552690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08332138A Expired GB2150789B (en) 1983-12-01 1983-12-01 Loudspeaker

Country Status (1)

Country Link
GB (1) GB2150789B (en)

Also Published As

Publication number Publication date
GB2150789A (en) 1985-07-03
GB2150789B (en) 1987-02-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee