GB1468122A - Device for converting acoustic energy into electrical energy and vice versa - Google Patents

Device for converting acoustic energy into electrical energy and vice versa

Info

Publication number
GB1468122A
GB1468122A GB831675A GB831675A GB1468122A GB 1468122 A GB1468122 A GB 1468122A GB 831675 A GB831675 A GB 831675A GB 831675 A GB831675 A GB 831675A GB 1468122 A GB1468122 A GB 1468122A
Authority
GB
United Kingdom
Prior art keywords
microphone
housing
reproduce
reproducer
record
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
GB831675A
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.)
Individual
Original Assignee
Individual
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 DE19742409830 external-priority patent/DE2409830C3/de
Application filed by Individual filed Critical Individual
Publication of GB1468122A publication Critical patent/GB1468122A/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 

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB831675A 1974-03-01 1975-02-27 Device for converting acoustic energy into electrical energy and vice versa Expired GB1468122A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742409830 DE2409830C3 (de) 1974-03-01 Einrichtung zur Schallaufnahme und -wiedergabe

Publications (1)

Publication Number Publication Date
GB1468122A true GB1468122A (en) 1977-03-23

Family

ID=5908823

Family Applications (1)

Application Number Title Priority Date Filing Date
GB831675A Expired GB1468122A (en) 1974-03-01 1975-02-27 Device for converting acoustic energy into electrical energy and vice versa

Country Status (2)

Country Link
FR (1) FR2262894A1 (enExample)
GB (1) GB1468122A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108184197A (zh) * 2018-03-23 2018-06-19 苏州登堡电子科技有限公司 振壁传声装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108184197A (zh) * 2018-03-23 2018-06-19 苏州登堡电子科技有限公司 振壁传声装置
CN108184197B (zh) * 2018-03-23 2023-08-22 苏州登堡电子科技有限公司 振壁传声装置

Also Published As

Publication number Publication date
FR2262894A1 (enExample) 1975-09-26
DE2409830A1 (de) 1975-09-04
DE2409830B2 (de) 1976-10-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee