IT1283545B1 - Pulsantiera con finestre di lettura atte ad identificare gli utenti dei derivati interni - Google Patents

Pulsantiera con finestre di lettura atte ad identificare gli utenti dei derivati interni

Info

Publication number
IT1283545B1
IT1283545B1 IT96MI000546A ITMI960546A IT1283545B1 IT 1283545 B1 IT1283545 B1 IT 1283545B1 IT 96MI000546 A IT96MI000546 A IT 96MI000546A IT MI960546 A ITMI960546 A IT MI960546A IT 1283545 B1 IT1283545 B1 IT 1283545B1
Authority
IT
Italy
Prior art keywords
push button
button panel
identifying users
internal extensions
reading windows
Prior art date
Application number
IT96MI000546A
Other languages
English (en)
Inventor
Ernesto Santini
Original Assignee
Bticino 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 Bticino Spa filed Critical Bticino Spa
Priority to IT96MI000546A priority Critical patent/IT1283545B1/it
Publication of ITMI960546A0 publication Critical patent/ITMI960546A0/it
Priority to EP96201655A priority patent/EP0797340A1/en
Publication of ITMI960546A1 publication Critical patent/ITMI960546A1/it
Application granted granted Critical
Publication of IT1283545B1 publication Critical patent/IT1283545B1/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/001—Thumb wheel switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/025—Door telephones
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/025—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Telephone Set Structure (AREA)
IT96MI000546A 1996-03-20 1996-03-20 Pulsantiera con finestre di lettura atte ad identificare gli utenti dei derivati interni IT1283545B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT96MI000546A IT1283545B1 (it) 1996-03-20 1996-03-20 Pulsantiera con finestre di lettura atte ad identificare gli utenti dei derivati interni
EP96201655A EP0797340A1 (en) 1996-03-20 1996-06-13 Pushbutton unit with viewing windows for identifying the users of internal extensions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000546A IT1283545B1 (it) 1996-03-20 1996-03-20 Pulsantiera con finestre di lettura atte ad identificare gli utenti dei derivati interni

Publications (3)

Publication Number Publication Date
ITMI960546A0 ITMI960546A0 (it) 1996-03-20
ITMI960546A1 ITMI960546A1 (it) 1997-09-20
IT1283545B1 true IT1283545B1 (it) 1998-04-22

Family

ID=11373707

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000546A IT1283545B1 (it) 1996-03-20 1996-03-20 Pulsantiera con finestre di lettura atte ad identificare gli utenti dei derivati interni

Country Status (2)

Country Link
EP (1) EP0797340A1 (it)
IT (1) IT1283545B1 (it)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978468A (en) * 1974-11-11 1976-08-31 Robert F. Moore Intercom call signaling mechanism
FR2590100B1 (fr) * 1985-11-07 1989-09-15 Rhone Entreprise Antenne Selecteur pour systeme d'intercommunication

Also Published As

Publication number Publication date
ITMI960546A0 (it) 1996-03-20
EP0797340A1 (en) 1997-09-24
ITMI960546A1 (it) 1997-09-20

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Legal Events

Date Code Title Description
0001 Granted