IT1073124B - Complesso indicatore a diodi fotoemettitore per una pulsantiera a piu' pulsani - Google Patents

Complesso indicatore a diodi fotoemettitore per una pulsantiera a piu' pulsani

Info

Publication number
IT1073124B
IT1073124B IT2874376A IT2874376A IT1073124B IT 1073124 B IT1073124 B IT 1073124B IT 2874376 A IT2874376 A IT 2874376A IT 2874376 A IT2874376 A IT 2874376A IT 1073124 B IT1073124 B IT 1073124B
Authority
IT
Italy
Prior art keywords
push
button
light
emitting diodes
circuit board
Prior art date
Application number
IT2874376A
Other languages
English (en)
Italian (it)
Original Assignee
Northern Telecom Ltd
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
Priority claimed from CA239,078A external-priority patent/CA1038841A/en
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of IT1073124B publication Critical patent/IT1073124B/it

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
  • Vehicle Body Suspensions (AREA)
  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
IT2874376A 1975-11-05 1976-10-27 Complesso indicatore a diodi fotoemettitore per una pulsantiera a piu' pulsani IT1073124B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA239,078A CA1038841A (en) 1975-11-05 1975-11-05 Light emitting diode indicator assembly for a multiple pushbutton array

Publications (1)

Publication Number Publication Date
IT1073124B true IT1073124B (it) 1985-04-13

Family

ID=4104451

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2874376A IT1073124B (it) 1975-11-05 1976-10-27 Complesso indicatore a diodi fotoemettitore per una pulsantiera a piu' pulsani

Country Status (3)

Country Link
ES (1) ES453040A1 (cs)
IT (1) IT1073124B (cs)
NO (1) NO143119C (cs)

Also Published As

Publication number Publication date
NO143119C (no) 1980-12-29
ES453040A1 (es) 1977-11-01
NO143119B (no) 1980-09-08
NO763706L (cs) 1977-05-06

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