NL6606482A - - Google Patents

Info

Publication number
NL6606482A
NL6606482A NL6606482A NL6606482A NL6606482A NL 6606482 A NL6606482 A NL 6606482A NL 6606482 A NL6606482 A NL 6606482A NL 6606482 A NL6606482 A NL 6606482A NL 6606482 A NL6606482 A NL 6606482A
Authority
NL
Netherlands
Application number
NL6606482A
Other versions
NL142045B (nl
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 filed Critical
Publication of NL6606482A publication Critical patent/NL6606482A/xx
Publication of NL142045B publication Critical patent/NL142045B/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NL6606482A 1965-11-12 1966-05-12 Elektromagnetische doostelefoon of -microfoon. NL142045B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50733465A 1965-11-12 1965-11-12

Publications (2)

Publication Number Publication Date
NL6606482A true NL6606482A (enExample) 1967-05-16
NL142045B NL142045B (nl) 1974-04-16

Family

ID=24018229

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6606482A NL142045B (nl) 1965-11-12 1966-05-12 Elektromagnetische doostelefoon of -microfoon.

Country Status (4)

Country Link
CH (1) CH448179A (enExample)
DE (1) DE1462163A1 (enExample)
DK (1) DK124100B (enExample)
NL (1) NL142045B (enExample)

Also Published As

Publication number Publication date
DE1462163B2 (enExample) 1970-06-04
CH448179A (de) 1967-12-15
NL142045B (nl) 1974-04-16
DE1462163A1 (de) 1968-11-14
DK124100B (da) 1972-09-11

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: IND RESEARCH