IT7830906A0 - Apparecchi citofonici e/o sistema di commutazione per interfonici. - Google Patents

Apparecchi citofonici e/o sistema di commutazione per interfonici.

Info

Publication number
IT7830906A0
IT7830906A0 IT7830906A IT3090678A IT7830906A0 IT 7830906 A0 IT7830906 A0 IT 7830906A0 IT 7830906 A IT7830906 A IT 7830906A IT 3090678 A IT3090678 A IT 3090678A IT 7830906 A0 IT7830906 A0 IT 7830906A0
Authority
IT
Italy
Prior art keywords
intercom
switching system
equipment
intercom equipment
intercom switching
Prior art date
Application number
IT7830906A
Other languages
English (en)
Other versions
IT1160354B (it
Original Assignee
Farfisa Spa
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 Farfisa Spa filed Critical Farfisa Spa
Priority to IT30906/78A priority Critical patent/IT1160354B/it
Publication of IT7830906A0 publication Critical patent/IT7830906A0/it
Priority to AT0778979A priority patent/AT381424B/de
Priority to DE19792949965 priority patent/DE2949965A1/de
Priority to ES487440A priority patent/ES487440A1/es
Application granted granted Critical
Publication of IT1160354B publication Critical patent/IT1160354B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring
    • 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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles
    • H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
IT30906/78A 1978-12-15 1978-12-15 Sistema di commutazione per apparecchi citofonici e/o interfonici IT1160354B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT30906/78A IT1160354B (it) 1978-12-15 1978-12-15 Sistema di commutazione per apparecchi citofonici e/o interfonici
AT0778979A AT381424B (de) 1978-12-15 1979-12-10 Schaltvorrichtung fuer sprechanlagengeraete, insbesondere teilnehmerstationen
DE19792949965 DE2949965A1 (de) 1978-12-15 1979-12-12 Schaltvorrichtung fuer sprechanlagengeraete
ES487440A ES487440A1 (es) 1978-12-15 1979-12-14 Perfeccionamientos en los dispositivos de conmutacion para telefonia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30906/78A IT1160354B (it) 1978-12-15 1978-12-15 Sistema di commutazione per apparecchi citofonici e/o interfonici

Publications (2)

Publication Number Publication Date
IT7830906A0 true IT7830906A0 (it) 1978-12-15
IT1160354B IT1160354B (it) 1987-03-11

Family

ID=11232744

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30906/78A IT1160354B (it) 1978-12-15 1978-12-15 Sistema di commutazione per apparecchi citofonici e/o interfonici

Country Status (4)

Country Link
AT (1) AT381424B (it)
DE (1) DE2949965A1 (it)
ES (1) ES487440A1 (it)
IT (1) IT1160354B (it)

Also Published As

Publication number Publication date
ATA778979A (de) 1986-02-15
DE2949965A1 (de) 1980-07-03
ES487440A1 (es) 1980-09-16
AT381424B (de) 1986-10-10
IT1160354B (it) 1987-03-11

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