AU468511B2 - Improvements in conversion aids - Google Patents

Improvements in conversion aids

Info

Publication number
AU468511B2
AU468511B2 AU38386/72A AU3838672A AU468511B2 AU 468511 B2 AU468511 B2 AU 468511B2 AU 38386/72 A AU38386/72 A AU 38386/72A AU 3838672 A AU3838672 A AU 3838672A AU 468511 B2 AU468511 B2 AU 468511B2
Authority
AU
Australia
Prior art keywords
conversion aids
aids
conversion
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
AU38386/72A
Other versions
AU3838672A (en
Inventor
Ursula Robinson Dorothea
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU3838672A publication Critical patent/AU3838672A/en
Application granted granted Critical
Publication of AU468511B2 publication Critical patent/AU468511B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/0005—Hand manipulated computing devices characterised by a specific application
    • G06G1/0073—Hand manipulated computing devices characterised by a specific application for commerce, bank or invoicing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/0005—Hand manipulated computing devices characterised by a specific application
    • G06G1/0068—Hand manipulated computing devices characterised by a specific application for conversion from one unit system to another, e.g. from British to metric
    • 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
    • G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Mathematical Physics (AREA)
  • Calculators And Similar Devices (AREA)
  • Credit Cards Or The Like (AREA)
  • Mechanical Optical Scanning Systems (AREA)
AU38386/72A 1971-01-28 1972-01-27 Improvements in conversion aids Expired AU468511B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA710554A ZA71554B (en) 1971-01-28 1971-01-28 Improvements in conversion aids
ZAZA71/0554 1971-01-28

Publications (2)

Publication Number Publication Date
AU3838672A AU3838672A (en) 1973-08-02
AU468511B2 true AU468511B2 (en) 1976-01-15

Family

ID=25562983

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38386/72A Expired AU468511B2 (en) 1971-01-28 1972-01-27 Improvements in conversion aids

Country Status (3)

Country Link
AU (1) AU468511B2 (en)
GB (1) GB1345639A (en)
ZA (1) ZA71554B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2654848B1 (en) * 1989-11-22 1994-08-26 Michel Dalmau DEVICE FOR EQUIVALENCE BETWEEN CURRENCIES.
FR2774491B1 (en) * 1998-02-04 2001-09-14 Jean Francois Jacques Auboin ANALOGUE SYSTEM ALLOWING SIMPLE CURRENCY CONVERSION ON WATCHES

Also Published As

Publication number Publication date
AU3838672A (en) 1973-08-02
GB1345639A (en) 1974-01-30
ZA71554B (en) 1972-03-29

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