FR65670E - - Google Patents
Info
- Publication number
- FR65670E FR65670E FR65670DA FR65670E FR 65670 E FR65670 E FR 65670E FR 65670D A FR65670D A FR 65670DA FR 65670 E FR65670 E FR 65670E
- Authority
- FR
- France
- 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
- G01P3/4802—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
- G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
- G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Eletrric Generators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1068829T | 1952-09-08 | ||
| GB326213X | 1953-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR65670E true FR65670E (it) | 1956-02-29 |
Family
ID=63721191
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR65670D Expired FR65670E (it) | 1952-09-08 | ||
| FR1068829D Expired FR1068829A (fr) | 1952-09-08 | 1952-09-08 | Appareil de mesure de la fréquence des courants alternatifs ou d'une vitesse |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1068829D Expired FR1068829A (fr) | 1952-09-08 | 1952-09-08 | Appareil de mesure de la fréquence des courants alternatifs ou d'une vitesse |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE527341A (it) |
| CH (1) | CH326213A (it) |
| DE (1) | DE1061436B (it) |
| FR (2) | FR1068829A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE631445A (it) * | 1962-05-16 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1601070A (en) * | 1922-04-18 | 1926-09-28 | Western Electric Co | Wave meter |
| US2133150A (en) * | 1937-09-29 | 1938-10-11 | Gen Electric | Frequency meter |
-
0
- FR FR65670D patent/FR65670E/fr not_active Expired
- BE BE527341D patent/BE527341A/xx unknown
-
1952
- 1952-09-08 FR FR1068829D patent/FR1068829A/fr not_active Expired
-
1954
- 1954-03-09 CH CH326213D patent/CH326213A/de unknown
- 1954-03-15 DE DEG13959A patent/DE1061436B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1068829A (fr) | 1954-07-01 |
| CH326213A (de) | 1957-12-15 |
| DE1061436B (de) | 1959-07-16 |
| BE527341A (it) | 1900-01-01 |