DK132479C - Apparat til indikering af lekstromme i en matrix - Google Patents

Apparat til indikering af lekstromme i en matrix

Info

Publication number
DK132479C
DK132479C DK194969A DK194969A DK132479C DK 132479 C DK132479 C DK 132479C DK 194969 A DK194969 A DK 194969A DK 194969 A DK194969 A DK 194969A DK 132479 C DK132479 C DK 132479C
Authority
DK
Denmark
Prior art keywords
lesson
drums
matrix
indicating
lesson drums
Prior art date
Application number
DK194969A
Other languages
Danish (da)
English (en)
Other versions
DK132479B (da
Inventor
B G Magnusson
S E H Nilsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK132479B publication Critical patent/DK132479B/da
Application granted granted Critical
Publication of DK132479C publication Critical patent/DK132479C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22—Automatic arrangements
    • H04Q1/24—Automatic arrangements for connection devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Electronic Switches (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
DK194969A 1968-04-10 1969-04-09 Apparat til indikering af lekstromme i en matrix DK132479C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE4852/68A SE318335B (https=) 1968-04-10 1968-04-10

Publications (2)

Publication Number Publication Date
DK132479B DK132479B (da) 1975-12-08
DK132479C true DK132479C (da) 1976-05-10

Family

ID=20265122

Family Applications (1)

Application Number Title Priority Date Filing Date
DK194969A DK132479C (da) 1968-04-10 1969-04-09 Apparat til indikering af lekstromme i en matrix

Country Status (10)

Country Link
US (1) US3609546A (https=)
BE (1) BE731068A (https=)
DE (1) DE1915321B2 (https=)
DK (1) DK132479C (https=)
FI (1) FI51410C (https=)
FR (1) FR2006002A1 (https=)
GB (1) GB1263568A (https=)
NL (1) NL6905447A (https=)
NO (1) NO120646B (https=)
SE (1) SE318335B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2161159A5 (https=) * 1971-11-16 1973-07-06 Commissariat Energie Atomique
US4150331A (en) * 1977-07-29 1979-04-17 Burroughs Corporation Signature encoding for integrated circuits
US5751159A (en) * 1995-09-05 1998-05-12 Motorola, Inc. Semiconductor array and switches formed on a common substrate for array testing purposes
JP2004520624A (ja) * 2001-05-15 2004-07-08 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 複数のｌｅｄを有する表示装置

Also Published As

Publication number Publication date
BE731068A (https=) 1969-09-15
FI51410C (fi) 1976-12-10
DE1915321B2 (de) 1971-07-15
NL6905447A (https=) 1969-10-14
SE318335B (https=) 1969-12-08
GB1263568A (en) 1972-02-09
DK132479B (da) 1975-12-08
NO120646B (https=) 1970-11-16
FI51410B (https=) 1976-08-31
US3609546A (en) 1971-09-28
DE1915321A1 (de) 1969-11-13
FR2006002A1 (https=) 1969-12-19

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