SE9702064D0 - Telekommunikationsutrustning - Google Patents

Telekommunikationsutrustning

Info

Publication number
SE9702064D0
SE9702064D0 SE9702064A SE9702064A SE9702064D0 SE 9702064 D0 SE9702064 D0 SE 9702064D0 SE 9702064 A SE9702064 A SE 9702064A SE 9702064 A SE9702064 A SE 9702064A SE 9702064 D0 SE9702064 D0 SE 9702064D0
Authority
SE
Sweden
Prior art keywords
magnetic
circuit
membrane
ring
pole part
Prior art date
Application number
SE9702064A
Other languages
English (en)
Other versions
SE507872C2 (sv
SE9702064L (sv
Inventor
Goeran Lannergren
Sture Winther
Sune Gustafsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9702064A priority Critical patent/SE9702064L/sv
Publication of SE9702064D0 publication Critical patent/SE9702064D0/sv
Publication of SE507872C2 publication Critical patent/SE507872C2/sv
Publication of SE9702064L publication Critical patent/SE9702064L/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/10—Telephone receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Telephone Set Structure (AREA)
  • Magnetic Treatment Devices (AREA)
SE9702064A 1997-05-30 1997-05-30 Hörselanordning, telefonlur, telefonapparat, telefonsystem och direktor SE9702064L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9702064A SE9702064L (sv) 1997-05-30 1997-05-30 Hörselanordning, telefonlur, telefonapparat, telefonsystem och direktor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9702064A SE9702064L (sv) 1997-05-30 1997-05-30 Hörselanordning, telefonlur, telefonapparat, telefonsystem och direktor

Publications (3)

Publication Number Publication Date
SE9702064D0 true SE9702064D0 (sv) 1997-05-30
SE507872C2 SE507872C2 (sv) 1998-07-20
SE9702064L SE9702064L (sv) 1998-07-20

Family

ID=20407185

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9702064A SE9702064L (sv) 1997-05-30 1997-05-30 Hörselanordning, telefonlur, telefonapparat, telefonsystem och direktor

Country Status (1)

Country Link
SE (1) SE9702064L (sv)

Also Published As

Publication number Publication date
SE507872C2 (sv) 1998-07-20
SE9702064L (sv) 1998-07-20

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Legal Events

Date Code Title Description
NUG Patent has lapsed