FR732899A - Perfectionnements aux micro-téléphones - Google Patents

Perfectionnements aux micro-téléphones

Info

Publication number
FR732899A
FR732899A FR732899DA FR732899A FR 732899 A FR732899 A FR 732899A FR 732899D A FR732899D A FR 732899DA FR 732899 A FR732899 A FR 732899A
Authority
FR
France
Prior art keywords
telephones
micro
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR732899A publication Critical patent/FR732899A/fr
Expired legal-status Critical Current

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)
FR732899D 1931-03-11 1932-03-09 Perfectionnements aux micro-téléphones Expired FR732899A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE732899X 1931-03-11

Publications (1)

Publication Number Publication Date
FR732899A true FR732899A (fr) 1932-09-27

Family

ID=20319595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR732899D Expired FR732899A (fr) 1931-03-11 1932-03-09 Perfectionnements aux micro-téléphones

Country Status (2)

Country Link
BE (1) BE387047A (enrdf_load_stackoverflow)
FR (1) FR732899A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE387047A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR732263A (fr) Perfectionnements aux détonateurs
FR716653A (fr) Perfectionnements apportés aux soutien-gorge
FR709652A (fr) Perfectionnements aux soucoupes
FR727730A (fr) Perfectionnements aux aéroplanes
FR725554A (fr) Perfectionnements aux chaudières aquatubulaires
FR718083A (fr) Perfectionnements aux soupapes-pistons
FR732335A (fr) Perfectionnements aux servo-freins
FR727937A (fr) Perfectionnements aux décavaillonneurs
FR719285A (fr) Perfectionnements aux bannetons
FR715992A (fr) Perfectionnements aux motocaméras
FR41670E (fr) Perfectionnements aux décavaillonneurs
FR732899A (fr) Perfectionnements aux micro-téléphones
FR717407A (fr) Perfectionnements aux hydroglisseurs
FR725026A (fr) Perfectionnements aux vilebrequins
FR723382A (fr) Perfectionnements aux thermostats
FR729516A (fr) Perfectionnements aux crics
FR736100A (fr) Perfectionnements aux aéroplanes
FR732633A (fr) Perfectionnements aux mécanismes de démarrage
FR736144A (fr) Perfectionnements aux mécanismes de démarrage
FR736145A (fr) Perfectionnements aux mécanismes de démarrage
FR730635A (fr) Perfectionnements aux mécanismes de démarrage
FR722511A (fr) Perfectionnements apportés aux treuils
FR40450E (fr) Perfectionnement aux corsets-ceintures réglables
FR728155A (fr) Perfectionnements aux voies ferrées
FR735939A (fr) Perfectionnements aux économiseurs