GB604593A - Telephone exchange systems - Google Patents

Telephone exchange systems

Info

Publication number
GB604593A
GB604593A GB9287/45A GB928745A GB604593A GB 604593 A GB604593 A GB 604593A GB 9287/45 A GB9287/45 A GB 9287/45A GB 928745 A GB928745 A GB 928745A GB 604593 A GB604593 A GB 604593A
Authority
GB
United Kingdom
Prior art keywords
group
links
finders
groups
sub
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
GB9287/45A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB604593A publication Critical patent/GB604593A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/161—Handling units comprising at least considerable parts of two sides of a room or like enclosed space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB9287/45A 1944-05-15 1945-04-13 Telephone exchange systems Expired GB604593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US266778XA 1944-05-15 1944-05-15

Publications (1)

Publication Number Publication Date
GB604593A true GB604593A (en) 1948-07-07

Family

ID=21833217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9287/45A Expired GB604593A (en) 1944-05-15 1945-04-13 Telephone exchange systems

Country Status (4)

Country Link
BE (1) BE465090A (enrdf_load_stackoverflow)
CH (1) CH266778A (enrdf_load_stackoverflow)
GB (1) GB604593A (enrdf_load_stackoverflow)
NL (1) NL137191C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL137191C (enrdf_load_stackoverflow)
CH266778A (fr) 1950-02-15
BE465090A (enrdf_load_stackoverflow)

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