GB373158A - Improvements relating to apparatus for the electrical reproduction of sound - Google Patents

Improvements relating to apparatus for the electrical reproduction of sound

Info

Publication number
GB373158A
GB373158A GB5020/31A GB502031A GB373158A GB 373158 A GB373158 A GB 373158A GB 5020/31 A GB5020/31 A GB 5020/31A GB 502031 A GB502031 A GB 502031A GB 373158 A GB373158 A GB 373158A
Authority
GB
United Kingdom
Prior art keywords
armature
resilient
polepieces
rod
class
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
GB5020/31A
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
Priority to GB5020/31A priority Critical patent/GB373158A/en
Priority to US549949A priority patent/US1914191A/en
Priority to GB24278/31A priority patent/GB379100A/en
Priority to BE386486D priority patent/BE386486A/fr
Priority to FR731491D priority patent/FR731491A/fr
Priority to DEA65093D priority patent/DE617320C/de
Publication of GB373158A publication Critical patent/GB373158A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Casings For Electric Apparatus (AREA)
  • Vibration Prevention Devices (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
GB5020/31A 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound Expired GB373158A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB5020/31A GB373158A (en) 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound
US549949A US1914191A (en) 1931-02-17 1931-07-10 Electric sound reproducing apparatus
GB24278/31A GB379100A (en) 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound
BE386486D BE386486A (enrdf_load_stackoverflow) 1931-02-17 1932-02-16
FR731491D FR731491A (fr) 1931-02-17 1932-02-17 Perfectionnements aux appareils de reproduction des sons
DEA65093D DE617320C (de) 1931-02-17 1932-02-18 Elektromagnetische Schalldose

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5020/31A GB373158A (en) 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound
GB24278/31A GB379100A (en) 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound

Publications (1)

Publication Number Publication Date
GB373158A true GB373158A (en) 1932-05-17

Family

ID=26239533

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5020/31A Expired GB373158A (en) 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound
GB24278/31A Expired GB379100A (en) 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB24278/31A Expired GB379100A (en) 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound

Country Status (5)

Country Link
US (1) US1914191A (enrdf_load_stackoverflow)
BE (1) BE386486A (enrdf_load_stackoverflow)
DE (1) DE617320C (enrdf_load_stackoverflow)
FR (1) FR731491A (enrdf_load_stackoverflow)
GB (2) GB373158A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581511A (en) * 1947-12-31 1952-01-08 Donald J Baker Magnetic phonograph pickup

Also Published As

Publication number Publication date
GB379100A (en) 1932-08-25
DE617320C (de) 1935-08-16
FR731491A (fr) 1932-09-03
BE386486A (enrdf_load_stackoverflow) 1932-03-31
US1914191A (en) 1933-06-13

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