ES487440A1 - Perfeccionamientos en los dispositivos de conmutacion para telefonia - Google Patents

Perfeccionamientos en los dispositivos de conmutacion para telefonia

Info

Publication number
ES487440A1
ES487440A1 ES487440A ES487440A ES487440A1 ES 487440 A1 ES487440 A1 ES 487440A1 ES 487440 A ES487440 A ES 487440A ES 487440 A ES487440 A ES 487440A ES 487440 A1 ES487440 A1 ES 487440A1
Authority
ES
Spain
Prior art keywords
circuit board
printed circuit
spring
lifted
receiver
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
ES487440A
Other languages
English (en)
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.)
FARFISA SpA
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
Publication of ES487440A1 publication Critical patent/ES487440A1/es
Expired legal-status Critical Current

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)

Abstract

Perfeccionamientos en los dispositivos de conmutación para telefonía, caracterizados porque el contacto móvil está constituido por un muelle en espiral plateado que queda situado entre uno o varios contactos fijos.
ES487440A 1978-12-15 1979-12-14 Perfeccionamientos en los dispositivos de conmutacion para telefonia Expired ES487440A1 (es)

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 (1)

Publication Number Publication Date
ES487440A1 true ES487440A1 (es) 1980-09-16

Family

ID=11232744

Family Applications (1)

Application Number Title Priority Date Filing Date
ES487440A Expired ES487440A1 (es) 1978-12-15 1979-12-14 Perfeccionamientos en los dispositivos de conmutacion para telefonia

Country Status (4)

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

Also Published As

Publication number Publication date
IT7830906A0 (it) 1978-12-15
IT1160354B (it) 1987-03-11
ATA778979A (de) 1986-02-15
DE2949965A1 (de) 1980-07-03
AT381424B (de) 1986-10-10

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