ES453040A1 - Perfeccionamientos en conjuntos indicadores con diodos foto-emisores para grupos de pulsadores multiples. - Google Patents

Perfeccionamientos en conjuntos indicadores con diodos foto-emisores para grupos de pulsadores multiples.

Info

Publication number
ES453040A1
ES453040A1 ES453040A ES453040A ES453040A1 ES 453040 A1 ES453040 A1 ES 453040A1 ES 453040 A ES453040 A ES 453040A ES 453040 A ES453040 A ES 453040A ES 453040 A1 ES453040 A1 ES 453040A1
Authority
ES
Spain
Prior art keywords
recess
separator
line
spacer
diode
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
ES453040A
Other languages
English (en)
Spanish (es)
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.)
Nortel Networks Ltd
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
Publication of ES453040A1 publication Critical patent/ES453040A1/es
Expired legal-status Critical Current

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)
ES453040A 1975-11-05 1976-11-05 Perfeccionamientos en conjuntos indicadores con diodos foto-emisores para grupos de pulsadores multiples. Expired ES453040A1 (es)

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
ES453040A1 true ES453040A1 (es) 1977-11-01

Family

ID=4104451

Family Applications (1)

Application Number Title Priority Date Filing Date
ES453040A Expired ES453040A1 (es) 1975-11-05 1976-11-05 Perfeccionamientos en conjuntos indicadores con diodos foto-emisores para grupos de pulsadores multiples.

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
IT1073124B (it) 1985-04-13
NO143119B (no) 1980-09-08
NO763706L (cs) 1977-05-06

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