BE620888A - - Google Patents

Info

Publication number
BE620888A
BE620888A BE620888DA BE620888A BE 620888 A BE620888 A BE 620888A BE 620888D A BE620888D A BE 620888DA BE 620888 A BE620888 A BE 620888A
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 BE620888A publication Critical patent/BE620888A/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
    • 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

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
BE620888D 1961-08-07 BE620888A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR870399A FR1304132A (fr) 1961-08-07 1961-08-07 Capsule téléphonique autogénératrice perfectionnée

Publications (1)

Publication Number Publication Date
BE620888A true BE620888A (id)

Family

ID=8760977

Family Applications (1)

Application Number Title Priority Date Filing Date
BE620888D BE620888A (id) 1961-08-07

Country Status (3)

Country Link
BE (1) BE620888A (id)
DE (1) DE1177685B (id)
FR (1) FR1304132A (id)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB603418A (en) * 1945-10-22 1948-06-15 Siemens Brothers & Co Ltd Improvements relating to electromagnetic telephone instruments

Also Published As

Publication number Publication date
DE1177685B (de) 1964-09-10
FR1304132A (fr) 1962-09-21

Similar Documents

Publication Publication Date Title
AT224007B (id)
BE601041A (id)
BE622534A (id)
BE635645A (id)
BE626152A (id)
BE625902A (id)
BE625217A (id)
BE623807A (id)
BE164003A (id)
BE396226A (id)
BE458606A (id)
BE464928A (id)
BE469342A (id)
BE472265A (id)
BE475425A (id)
BE475477A (id)
BE476407A (id)
BE478349A (id)
BE482264A (id)
BE493336A (id)
BE567723A (id)
BE568568A (id)
BE583834A (id)
BE587184A (id)
BE596839A (id)