FR2323192A1 - Regle a calcul trigonometrique - Google Patents
Regle a calcul trigonometriqueInfo
- Publication number
- FR2323192A1 FR2323192A1 FR7626512A FR7626512A FR2323192A1 FR 2323192 A1 FR2323192 A1 FR 2323192A1 FR 7626512 A FR7626512 A FR 7626512A FR 7626512 A FR7626512 A FR 7626512A FR 2323192 A1 FR2323192 A1 FR 2323192A1
- Authority
- FR
- France
- Prior art keywords
- rule
- disc
- centre
- pivoted
- protractor
- 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.)
- Granted
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
- G06G1/0094—Hand manipulated computing devices characterised by a specific application for trigonometric computations
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TN1329875 | 1975-09-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2323192A1 true FR2323192A1 (fr) | 1977-04-01 |
FR2323192B3 FR2323192B3 (fr) | 1979-05-25 |
Family
ID=21618078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7626512A Granted FR2323192A1 (fr) | 1975-09-04 | 1976-09-02 | Regle a calcul trigonometrique |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2639626A1 (fr) |
FR (1) | FR2323192A1 (fr) |
IT (1) | IT1066709B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024303A1 (fr) * | 1979-07-23 | 1981-03-04 | Hoya Lens Corporation | Règle à calcul pour la fabrication de verres ophtalmiques |
FR2684777A1 (fr) * | 1991-12-04 | 1993-06-11 | Dalmau Michel | Dispositif de visualisation des valeurs du sinus et cosinus d'un angle. |
-
1976
- 1976-09-02 FR FR7626512A patent/FR2323192A1/fr active Granted
- 1976-09-02 DE DE19762639626 patent/DE2639626A1/de active Pending
- 1976-09-02 IT IT5111876A patent/IT1066709B/it active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024303A1 (fr) * | 1979-07-23 | 1981-03-04 | Hoya Lens Corporation | Règle à calcul pour la fabrication de verres ophtalmiques |
FR2684777A1 (fr) * | 1991-12-04 | 1993-06-11 | Dalmau Michel | Dispositif de visualisation des valeurs du sinus et cosinus d'un angle. |
Also Published As
Publication number | Publication date |
---|---|
IT1066709B (it) | 1985-03-12 |
DE2639626A1 (de) | 1977-03-17 |
FR2323192B3 (fr) | 1979-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |