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GB301364A - Improvements in or relating to sound transmitting or reproducing apparatus - Google Patents

Improvements in or relating to sound transmitting or reproducing apparatus

Info

Publication number
GB301364A
GB301364A GB1440827A GB1440827A GB301364A GB 301364 A GB301364 A GB 301364A GB 1440827 A GB1440827 A GB 1440827A GB 1440827 A GB1440827 A GB 1440827A GB 301364 A GB301364 A GB 301364A
Authority
GB
United Kingdom
Prior art keywords
relating
reproducing apparatus
sound transmitting
baird
pipes
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
GB1440827A
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.)
BAIRD TELEVISION DEV Co L
Original Assignee
BAIRD TELEVISION DEV Co L
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 BAIRD TELEVISION DEV Co L filed Critical BAIRD TELEVISION DEV Co L
Priority to GB1440827A priority Critical patent/GB301364A/en
Publication of GB301364A publication Critical patent/GB301364A/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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

301,364. Baird, J. L., and Baird Television Development Co., Ltd. May 28, 1927. Drawings to Specification. Organ pipes.-Free reeds are vibrated by the passage of the air through the pipes and produce currents in electromagnets connected to a loud speaker.
GB1440827A 1927-05-28 1927-05-28 Improvements in or relating to sound transmitting or reproducing apparatus Expired GB301364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1440827A GB301364A (en) 1927-05-28 1927-05-28 Improvements in or relating to sound transmitting or reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1440827A GB301364A (en) 1927-05-28 1927-05-28 Improvements in or relating to sound transmitting or reproducing apparatus

Publications (1)

Publication Number Publication Date
GB301364A true GB301364A (en) 1928-11-28

Family

ID=10040667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1440827A Expired GB301364A (en) 1927-05-28 1927-05-28 Improvements in or relating to sound transmitting or reproducing apparatus

Country Status (1)

Country Link
GB (1) GB301364A (en)

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