IT1099713B - Ricevitore secondario per apparecchi telefonici - Google Patents

Ricevitore secondario per apparecchi telefonici

Info

Publication number
IT1099713B
IT1099713B IT28785/78A IT2878578A IT1099713B IT 1099713 B IT1099713 B IT 1099713B IT 28785/78 A IT28785/78 A IT 28785/78A IT 2878578 A IT2878578 A IT 2878578A IT 1099713 B IT1099713 B IT 1099713B
Authority
IT
Italy
Prior art keywords
telephone devices
secondary receiver
receiver
telephone
devices
Prior art date
Application number
IT28785/78A
Other languages
English (en)
Other versions
IT7828785A0 (it
Original Assignee
Fuerst Kurt
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 Fuerst Kurt filed Critical Fuerst Kurt
Publication of IT7828785A0 publication Critical patent/IT7828785A0/it
Application granted granted Critical
Publication of IT1099713B publication Critical patent/IT1099713B/it

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)
IT28785/78A 1977-11-22 1978-10-16 Ricevitore secondario per apparecchi telefonici IT1099713B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2752556A DE2752556C2 (de) 1977-11-22 1977-11-22 Zweithöhrer für Fernsprechapparate

Publications (2)

Publication Number Publication Date
IT7828785A0 IT7828785A0 (it) 1978-10-16
IT1099713B true IT1099713B (it) 1985-09-28

Family

ID=6024568

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28785/78A IT1099713B (it) 1977-11-22 1978-10-16 Ricevitore secondario per apparecchi telefonici

Country Status (4)

Country Link
DE (1) DE2752556C2 (it)
FR (1) FR2409643A1 (it)
GB (1) GB2008893A (it)
IT (1) IT1099713B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221032A1 (de) * 1982-06-04 1983-12-08 Reinhard 6361 Niddatal Napierski Zweithoerer fuer telefonapparate
SE9803624L (sv) * 1998-10-22 2000-04-23 Ericsson Telefon Ab L M Hållare för mobiltelefon
GB2367968A (en) * 2000-06-16 2002-04-17 Roger Henry Williams Earphone adaptor
GB2376591A (en) * 2001-05-08 2002-12-18 Andreas Simeou Hands-free device with no electronics

Also Published As

Publication number Publication date
GB2008893A (en) 1979-06-06
FR2409643A1 (fr) 1979-06-15
DE2752556B1 (de) 1979-01-04
DE2752556C2 (de) 1979-09-06
IT7828785A0 (it) 1978-10-16

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