BE641937A - - Google Patents

Info

Publication number
BE641937A
BE641937A BE641937A BE641937A BE641937A BE 641937 A BE641937 A BE 641937A BE 641937 A BE641937 A BE 641937A BE 641937 A BE641937 A BE 641937A BE 641937 A BE641937 A BE 641937A
Authority
BE
Belgium
Application number
BE641937A
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
Priority to NL302426D priority Critical patent/NL302426A/xx
Priority to GB4910062A priority patent/GB1016716A/en
Application filed filed Critical
Priority to FR958889A priority patent/FR1379308A/fr
Priority to BE641937A priority patent/BE641937A/xx
Publication of BE641937A publication Critical patent/BE641937A/xx

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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BE641937A 1963-12-30 1963-12-30 BE641937A (el)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL302426D NL302426A (el) 1963-12-30
GB4910062A GB1016716A (en) 1963-12-30 1962-12-31 Improvements relating to electro-acoustic transducers
FR958889A FR1379308A (fr) 1963-12-30 1963-12-30 Transducteurs électro-acoustiques
BE641937A BE641937A (el) 1963-12-30 1963-12-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE641937A BE641937A (el) 1963-12-30 1963-12-30

Publications (1)

Publication Number Publication Date
BE641937A true BE641937A (el) 1964-04-16

Family

ID=3845715

Family Applications (1)

Application Number Title Priority Date Filing Date
BE641937A BE641937A (el) 1963-12-30 1963-12-30

Country Status (3)

Country Link
BE (1) BE641937A (el)
GB (1) GB1016716A (el)
NL (1) NL302426A (el)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773091A (en) * 1986-06-16 1988-09-20 Northern Telecom Limited Telephone handset for use in noisy locations
FR2780233B1 (fr) * 1998-06-22 2000-08-04 Alsthom Cge Alcatel Boitier de telephone mobile

Also Published As

Publication number Publication date
NL302426A (el)
GB1016716A (en) 1966-01-12

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