GB1284776A - Improvements in or relating to a diode switching matrix - Google Patents

Improvements in or relating to a diode switching matrix

Info

Publication number
GB1284776A
GB1284776A GB54749/69A GB5474969A GB1284776A GB 1284776 A GB1284776 A GB 1284776A GB 54749/69 A GB54749/69 A GB 54749/69A GB 5474969 A GB5474969 A GB 5474969A GB 1284776 A GB1284776 A GB 1284776A
Authority
GB
United Kingdom
Prior art keywords
relay
fault
diode
row
column
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
GB54749/69A
Other languages
English (en)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1284776A publication Critical patent/GB1284776A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
  • Relay Circuits (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
GB54749/69A 1968-11-08 1969-11-07 Improvements in or relating to a diode switching matrix Expired GB1284776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE15171/68A SE329648B (https=) 1968-11-08 1968-11-08

Publications (1)

Publication Number Publication Date
GB1284776A true GB1284776A (en) 1972-08-09

Family

ID=20300263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54749/69A Expired GB1284776A (en) 1968-11-08 1969-11-07 Improvements in or relating to a diode switching matrix

Country Status (11)

Country Link
US (1) US3594641A (https=)
BE (1) BE741351A (https=)
DE (1) DE1954910C3 (https=)
DK (1) DK140966B (https=)
FI (1) FI53766C (https=)
FR (1) FR2022926A1 (https=)
GB (1) GB1284776A (https=)
NL (1) NL167271C (https=)
NO (1) NO121902B (https=)
SE (1) SE329648B (https=)
SU (1) SU399156A3 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH574113A5 (https=) * 1973-08-31 1976-03-31 Siemens Ag
DE3003018C2 (de) * 1980-01-29 1988-04-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Korrosionsschutzüberwachung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895106A (en) * 1958-04-29 1959-07-14 Ibm Tester
US3168697A (en) * 1960-11-17 1965-02-02 Sylvania Electric Prod Method and apparatus for testing marginal failure of electronic systems

Also Published As

Publication number Publication date
FI53766B (https=) 1978-03-31
DK140966B (da) 1979-12-10
US3594641A (en) 1971-07-20
DE1954910C3 (de) 1979-11-29
FR2022926A1 (https=) 1970-08-07
FI53766C (fi) 1978-07-10
NL167271C (nl) 1981-11-16
DE1954910A1 (de) 1970-06-04
NO121902B (https=) 1971-04-26
DE1954910B2 (de) 1973-05-24
SU399156A3 (https=) 1973-09-27
BE741351A (https=) 1970-04-16
NL167271B (nl) 1981-06-16
NL6916832A (https=) 1970-05-12
DK140966C (https=) 1980-06-02
SE329648B (https=) 1970-10-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee