GB1474153A - Switching system scanner - Google Patents

Switching system scanner

Info

Publication number
GB1474153A
GB1474153A GB1892675A GB1892675A GB1474153A GB 1474153 A GB1474153 A GB 1474153A GB 1892675 A GB1892675 A GB 1892675A GB 1892675 A GB1892675 A GB 1892675A GB 1474153 A GB1474153 A GB 1474153A
Authority
GB
United Kingdom
Prior art keywords
matrix
rows
row
devices
interrogated
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
GB1892675A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1474153A publication Critical patent/GB1474153A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
GB1892675A 1974-05-17 1975-05-06 Switching system scanner Expired GB1474153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417172A FR2271730B1 (https=) 1974-05-17 1974-05-17

Publications (1)

Publication Number Publication Date
GB1474153A true GB1474153A (en) 1977-05-18

Family

ID=9138985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1892675A Expired GB1474153A (en) 1974-05-17 1975-05-06 Switching system scanner

Country Status (4)

Country Link
BR (1) BR7503048A (https=)
DE (1) DE2521297C3 (https=)
FR (1) FR2271730B1 (https=)
GB (1) GB1474153A (https=)

Also Published As

Publication number Publication date
BR7503048A (pt) 1976-04-13
DE2521297C3 (de) 1980-10-30
FR2271730B1 (https=) 1978-11-17
DE2521297A1 (de) 1975-12-04
FR2271730A1 (https=) 1975-12-12
DE2521297B2 (de) 1980-02-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee