AT381424B - SWITCHING DEVICE FOR INTERCOM SYSTEMS, ESPECIALLY SUBSCRIBER STATIONS - Google Patents

SWITCHING DEVICE FOR INTERCOM SYSTEMS, ESPECIALLY SUBSCRIBER STATIONS

Info

Publication number
AT381424B
AT381424B AT0778979A AT778979A AT381424B AT 381424 B AT381424 B AT 381424B AT 0778979 A AT0778979 A AT 0778979A AT 778979 A AT778979 A AT 778979A AT 381424 B AT381424 B AT 381424B
Authority
AT
Austria
Prior art keywords
switching device
subscriber stations
intercom systems
especially subscriber
intercom
Prior art date
Application number
AT0778979A
Other languages
German (de)
Other versions
ATA778979A (en
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 ATA778979A publication Critical patent/ATA778979A/en
Application granted granted Critical
Publication of AT381424B publication Critical patent/AT381424B/en

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)
AT0778979A 1978-12-15 1979-12-10 SWITCHING DEVICE FOR INTERCOM SYSTEMS, ESPECIALLY SUBSCRIBER STATIONS AT381424B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30906/78A IT1160354B (en) 1978-12-15 1978-12-15 SWITCHING SYSTEM FOR DOOR PHONE AND / OR INTERPHONE DEVICES

Publications (2)

Publication Number Publication Date
ATA778979A ATA778979A (en) 1986-02-15
AT381424B true AT381424B (en) 1986-10-10

Family

ID=11232744

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0778979A AT381424B (en) 1978-12-15 1979-12-10 SWITCHING DEVICE FOR INTERCOM SYSTEMS, ESPECIALLY SUBSCRIBER STATIONS

Country Status (4)

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

Also Published As

Publication number Publication date
ATA778979A (en) 1986-02-15
DE2949965A1 (en) 1980-07-03
IT1160354B (en) 1987-03-11
IT7830906A0 (en) 1978-12-15
ES487440A1 (en) 1980-09-16

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Legal Events

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