BR8004559A - Regua de calculo - Google Patents

Regua de calculo

Info

Publication number
BR8004559A
BR8004559A BR8004559A BR8004559A BR8004559A BR 8004559 A BR8004559 A BR 8004559A BR 8004559 A BR8004559 A BR 8004559A BR 8004559 A BR8004559 A BR 8004559A BR 8004559 A BR8004559 A BR 8004559A
Authority
BR
Brazil
Prior art keywords
slide rule
rule
slide
Prior art date
Application number
BR8004559A
Other languages
English (en)
Inventor
Yanagisawa Yasuo
Mitsui Yoshiaki
Original Assignee
Hoya Lens 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 Hoya Lens Corp filed Critical Hoya Lens Corp
Publication of BR8004559A publication Critical patent/BR8004559A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand-manipulated computing devices
    • G06G1/0005—Hand-manipulated computing devices characterised by a specific application
    • G06G1/0042—Hand-manipulated computing devices characterised by a specific application for optics, for photography

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Eyeglasses (AREA)
  • Eye Examination Apparatus (AREA)
BR8004559A 1979-07-23 1980-07-22 Regua de calculo BR8004559A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979101444U JPS579866Y2 (pt) 1979-07-23 1979-07-23

Publications (1)

Publication Number Publication Date
BR8004559A true BR8004559A (pt) 1981-02-03

Family

ID=14300853

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8004559A BR8004559A (pt) 1979-07-23 1980-07-22 Regua de calculo

Country Status (7)

Country Link
US (1) US4350877A (pt)
EP (1) EP0024303B1 (pt)
JP (1) JPS579866Y2 (pt)
AU (1) AU531926B2 (pt)
BR (1) BR8004559A (pt)
CA (1) CA1141351A (pt)
DE (1) DE3069752D1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310995A (en) * 1992-08-26 1994-05-10 Znr Concept, Inc. Stairway calculator
US5691523A (en) * 1996-12-03 1997-11-25 Align-It Corporation Machinery shaft alignment calculator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193280A (en) * 1937-12-04 1940-03-12 Gunning Joseph Henry Mechanical computing device
US3377706A (en) * 1965-10-08 1968-04-16 Charles D. Shrader Combined computer and plotter for aeronautical, nautical and similar uses
US3690547A (en) * 1971-10-06 1972-09-12 Dollond Aitchison Service Calculating device
JPS5150791A (ja) * 1974-10-28 1976-05-04 Hoya Lens Co Ltd Meganechoseiyokeisanjaku
FR2330365A1 (fr) * 1975-06-26 1977-06-03 Vergo Dispositif pour la determination de l'angle de construction des lentilles de contact pour astigmates
IT1066709B (it) * 1975-09-04 1985-03-12 Mecadis Perfezionamento nei regoli calcolatori in particolari per calcolitrigonometrici

Also Published As

Publication number Publication date
AU6068080A (en) 1981-01-29
DE3069752D1 (en) 1985-01-17
JPS579866Y2 (pt) 1982-02-25
US4350877A (en) 1982-09-21
CA1141351A (en) 1983-02-15
EP0024303A1 (en) 1981-03-04
AU531926B2 (en) 1983-09-08
EP0024303B1 (en) 1984-12-05
JPS5618916U (pt) 1981-02-19

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