GB260148A - Improvements in and relating to electromagnetic apparatus for the interconversion ofelectrical and mechanical oscillations - Google Patents

Improvements in and relating to electromagnetic apparatus for the interconversion ofelectrical and mechanical oscillations

Info

Publication number
GB260148A
GB260148A GB4461/26A GB446126A GB260148A GB 260148 A GB260148 A GB 260148A GB 4461/26 A GB4461/26 A GB 4461/26A GB 446126 A GB446126 A GB 446126A GB 260148 A GB260148 A GB 260148A
Authority
GB
United Kingdom
Prior art keywords
armature
coil
shaft
magnet
pole
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
GB4461/26A
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 GB260148A publication Critical patent/GB260148A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • 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
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electromagnets (AREA)
GB4461/26A 1925-12-01 1926-02-16 Improvements in and relating to electromagnetic apparatus for the interconversion ofelectrical and mechanical oscillations Expired GB260148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72541A US1783044A (en) 1925-12-01 1925-12-01 Reproducer

Publications (1)

Publication Number Publication Date
GB260148A true GB260148A (en) 1926-10-28

Family

ID=22108258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4461/26A Expired GB260148A (en) 1925-12-01 1926-02-16 Improvements in and relating to electromagnetic apparatus for the interconversion ofelectrical and mechanical oscillations

Country Status (4)

Country Link
US (1) US1783044A (enrdf_load_stackoverflow)
DE (1) DE515378C (enrdf_load_stackoverflow)
GB (1) GB260148A (enrdf_load_stackoverflow)
NL (1) NL24797C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE515378C (de) 1930-12-31
NL24797C (enrdf_load_stackoverflow)
US1783044A (en) 1930-11-25

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