BE387028A - - Google Patents

Info

Publication number
BE387028A
BE387028A BE387028DA BE387028A BE 387028 A BE387028 A BE 387028A BE 387028D A BE387028D A BE 387028DA BE 387028 A BE387028 A BE 387028A
Authority
BE
Belgium
Application number
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.)
Publication of BE387028A publication Critical patent/BE387028A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
BE387028D 1931-03-19 BE387028A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB844831A GB374946A (en) 1931-03-19 1931-03-19 Improvements in or relating to telephone handsets or microtelephones

Publications (1)

Publication Number Publication Date
BE387028A true BE387028A (fr)

Family

ID=9852678

Family Applications (1)

Application Number Title Priority Date Filing Date
BE387028D BE387028A (fr) 1931-03-19

Country Status (3)

Country Link
BE (1) BE387028A (fr)
FR (1) FR732906A (fr)
GB (1) GB374946A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482148A (en) * 1945-09-10 1949-09-20 Beckman Carl Electrodynamic telephone handset
GB656723A (en) * 1948-01-10 1951-08-29 Edward Shipton Improvements in or relating to telephone instruments
US2607857A (en) * 1949-01-12 1952-08-19 Wheeler Insulated Wire Co Inc Telephone handset
DE957232C (de) * 1954-01-31 1957-01-31 Standard Elek K Ag Geteilter Handapparat fuer Fernsprecher
FR2477812B1 (fr) * 1980-03-04 1987-11-27 Landis & Gyr Ag Combine telephonique a ecouteur et microphone proteges par un capot indevissable

Also Published As

Publication number Publication date
FR732906A (fr) 1932-09-28
GB374946A (en) 1932-06-20

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