GB241151A - - Google Patents

Info

Publication number
GB241151A
GB241151A GB614/25A GB61425A GB241151A GB 241151 A GB241151 A GB 241151A GB 614/25 A GB614/25 A GB 614/25A GB 61425 A GB61425 A GB 61425A GB 241151 A GB241151 A GB 241151A
Authority
GB
United Kingdom
Prior art keywords
pole
diaphragm
centre
magnet
periphery
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
GB614/25A
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.)
SUEDDEUTSCHE RADIO-UND TELEFON-AKTIENGESELLSCHAFT
Original Assignee
SUEDDEUTSCHE RADIO-UND TELEFON-AKTIENGESELLSCHAFT
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 SUEDDEUTSCHE RADIO-UND TELEFON-AKTIENGESELLSCHAFT filed Critical SUEDDEUTSCHE RADIO-UND TELEFON-AKTIENGESELLSCHAFT
Publication of GB241151A publication Critical patent/GB241151A/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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • H04R13/02—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
GB614/25A 1924-10-11 1925-01-08 Expired GB241151A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE241151X 1924-10-11

Publications (1)

Publication Number Publication Date
GB241151A true GB241151A (enrdf_load_stackoverflow) 1926-01-14

Family

ID=5909670

Family Applications (1)

Application Number Title Priority Date Filing Date
GB614/25A Expired GB241151A (enrdf_load_stackoverflow) 1924-10-11 1925-01-08

Country Status (1)

Country Link
GB (1) GB241151A (enrdf_load_stackoverflow)

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