GB310284A - Improvements in and relating to apparatus for the electrical reproduction of sound - Google Patents

Improvements in and relating to apparatus for the electrical reproduction of sound

Info

Publication number
GB310284A
GB310284A GB12437/29A GB1243729A GB310284A GB 310284 A GB310284 A GB 310284A GB 12437/29 A GB12437/29 A GB 12437/29A GB 1243729 A GB1243729 A GB 1243729A GB 310284 A GB310284 A GB 310284A
Authority
GB
United Kingdom
Prior art keywords
armature
clamped
pole
pieces
resilient
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
GB12437/29A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB310284A publication Critical patent/GB310284A/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
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Adjustable Resistors (AREA)
GB12437/29A 1928-04-21 1929-04-22 Improvements in and relating to apparatus for the electrical reproduction of sound Expired GB310284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US271813A US1906615A (en) 1928-04-21 1928-04-21 Electric pick-up

Publications (1)

Publication Number Publication Date
GB310284A true GB310284A (en) 1930-09-22

Family

ID=23037202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12437/29A Expired GB310284A (en) 1928-04-21 1929-04-22 Improvements in and relating to apparatus for the electrical reproduction of sound

Country Status (4)

Country Link
US (1) US1906615A (en:Method)
DE (1) DE613236C (en:Method)
GB (1) GB310284A (en:Method)
NL (1) NL28475C (en:Method)

Also Published As

Publication number Publication date
NL28475C (en:Method)
DE613236C (de) 1935-05-16
US1906615A (en) 1933-05-02

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