GB1315623A - Slide rule cursor - Google Patents

Slide rule cursor

Info

Publication number
GB1315623A
GB1315623A GB1315623DA GB1315623A GB 1315623 A GB1315623 A GB 1315623A GB 1315623D A GB1315623D A GB 1315623DA GB 1315623 A GB1315623 A GB 1315623A
Authority
GB
United Kingdom
Prior art keywords
slide rule
cursor
rule cursor
thornton
cursors
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
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.)
BRITISH THORNTON Ltd
Original Assignee
BRITISH THORNTON 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
Application filed by BRITISH THORNTON Ltd filed Critical BRITISH THORNTON Ltd
Publication of GB1315623A publication Critical patent/GB1315623A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
    • G06G1/06—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with rectilinear scales, e.g. slide rule
    • G06G1/065—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with rectilinear scales, e.g. slide rule construction of the cursor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Computer Display Output (AREA)

Abstract

1315623 Slide rule cursors BRITISH THORNTON Ltd 8 Nov 1971 [25 Jan 1971] 3063/71 Heading G4B A slide rule cursor having walls 14, 14<SP>1</SP> at opposite sides of transparent portion 16, includes a spring 22 of rectangular section plastics (e.g. nylon) strip, which is threaded through two arcuate channels 20 formed in wall 14.
GB1315623D 1971-01-25 1971-01-25 Slide rule cursor Expired GB1315623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB306371 1971-01-25

Publications (1)

Publication Number Publication Date
GB1315623A true GB1315623A (en) 1973-05-02

Family

ID=9751293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1315623D Expired GB1315623A (en) 1971-01-25 1971-01-25 Slide rule cursor

Country Status (1)

Country Link
GB (1) GB1315623A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees