BR8004559A - Regua de calculo - Google Patents
Regua de calculoInfo
- 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
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
- G06G1/0042—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)
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)
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)
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 |
-
1979
- 1979-07-23 JP JP1979101444U patent/JPS579866Y2/ja not_active Expired
-
1980
- 1980-07-08 CA CA000355718A patent/CA1141351A/en not_active Expired
- 1980-07-16 DE DE8080104166T patent/DE3069752D1/de not_active Expired
- 1980-07-16 EP EP80104166A patent/EP0024303B1/en not_active Expired
- 1980-07-18 US US06/170,252 patent/US4350877A/en not_active Expired - Lifetime
- 1980-07-22 AU AU60680/80A patent/AU531926B2/en not_active Ceased
- 1980-07-22 BR BR8004559A patent/BR8004559A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE3069752D1 (en) | 1985-01-17 |
JPS5618916U (pt) | 1981-02-19 |
US4350877A (en) | 1982-09-21 |
EP0024303A1 (en) | 1981-03-04 |
JPS579866Y2 (pt) | 1982-02-25 |
AU6068080A (en) | 1981-01-29 |
EP0024303B1 (en) | 1984-12-05 |
CA1141351A (en) | 1983-02-15 |
AU531926B2 (en) | 1983-09-08 |
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