FR2323192A1 - Regle a calcul trigonometrique - Google Patents

Regle a calcul trigonometrique

Info

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
Application number
FR7626512A
Other languages
English (en)
Other versions
FR2323192B3 (fr
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.)
MECADIS
Original Assignee
MECADIS
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 MECADIS filed Critical MECADIS
Publication of FR2323192A1 publication Critical patent/FR2323192A1/fr
Application granted granted Critical
Publication of FR2323192B3 publication Critical patent/FR2323192B3/fr
Granted 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
    • G06G1/0094—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)
FR7626512A 1975-09-04 1976-09-02 Regle a calcul trigonometrique Granted FR2323192A1 (fr)

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)

* Cited by examiner, † Cited by third party
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.

Cited By (2)

* Cited by examiner, † Cited by third party
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
DE2639626A1 (de) 1977-03-17
FR2323192B3 (fr) 1979-05-25
IT1066709B (it) 1985-03-12

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Legal Events

Date Code Title Description
ST Notification of lapse