FR1168531A - Tachymètre électronique à transistors et phototransistors - Google Patents
Tachymètre électronique à transistors et phototransistorsInfo
- Publication number
- FR1168531A FR1168531A FR1168531DA FR1168531A FR 1168531 A FR1168531 A FR 1168531A FR 1168531D A FR1168531D A FR 1168531DA FR 1168531 A FR1168531 A FR 1168531A
- Authority
- FR
- France
- Prior art keywords
- phototransistors
- transistors
- electronic tachometer
- tachometer
- electronic
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1168531T | 1957-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1168531A true FR1168531A (fr) | 1958-12-09 |
Family
ID=9656013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1168531D Expired FR1168531A (fr) | 1957-01-30 | 1957-01-30 | Tachymètre électronique à transistors et phototransistors |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1168531A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1214445B (de) * | 1960-07-05 | 1966-04-14 | Versuchsanstalt Fuer Luftfahrt | Schaltungsanordnung mit Fotoleitern zur Ermittlung von Haeufigkeit und Bewegungsrichtung von Lichthindernissen |
-
1957
- 1957-01-30 FR FR1168531D patent/FR1168531A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1214445B (de) * | 1960-07-05 | 1966-04-14 | Versuchsanstalt Fuer Luftfahrt | Schaltungsanordnung mit Fotoleitern zur Ermittlung von Haeufigkeit und Bewegungsrichtung von Lichthindernissen |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE600545A (fr) | Eléments et structures rétroflectifs | |
FR1175196A (fr) | Dispositif et ensemble électro-luminescents | |
FR1212279A (fr) | Nouveau révélateur-stabilisateur photographique et ses applications | |
FR1196434A (fr) | Machine à clicher électronique avec échelle de reproduction variable | |
FR1246226A (fr) | Calculateur électronique | |
FR1207523A (fr) | Dispositif à décharge électronique | |
FR1230240A (fr) | Porte électronique à transistor | |
FR1164823A (fr) | Semi-remorque à attelage et soulèvement automatiques | |
FR1194297A (fr) | Microscope électronique | |
FR1189002A (fr) | Dispositif élévateur et ses applications | |
FR1168531A (fr) | Tachymètre électronique à transistors et phototransistors | |
FR1211999A (fr) | Calculateur électronique | |
CH365563A (de) | Elektronisches Rechengerät | |
FR1172446A (fr) | Dispositif de sélection à verrouillage électronique | |
FR1208555A (fr) | Dispositif à décharge électronique | |
FR1186230A (fr) | Indicateur d'avance électronique à transistors et phototransistors | |
FR1227258A (fr) | Perfectionnements à l'emmagasinage et à l'entreposage de marchandises | |
FR1197865A (fr) | Microscope électronique | |
FR1171567A (fr) | Signaleur électronique | |
FR1169192A (fr) | Respirateur rééducateur électronique | |
FR1200330A (fr) | Commutateur électronique à transistors | |
FR1128506A (fr) | Guichet électronique à transistor | |
FR1195943A (fr) | Perfectionnements aux chariots à fourche et engins similaires | |
FR1196469A (fr) | Roulements à aiguilles et cage | |
FR1214989A (fr) | Jeu et ses applications |