FR2224759A1 - Period to voltage convertor for testing FM units - displays dots rising or falling with period - Google Patents
Period to voltage convertor for testing FM units - displays dots rising or falling with periodInfo
- Publication number
- FR2224759A1 FR2224759A1 FR7312324A FR7312324A FR2224759A1 FR 2224759 A1 FR2224759 A1 FR 2224759A1 FR 7312324 A FR7312324 A FR 7312324A FR 7312324 A FR7312324 A FR 7312324A FR 2224759 A1 FR2224759 A1 FR 2224759A1
- Authority
- FR
- France
- Prior art keywords
- period
- testing
- frequency
- voltage
- rising
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/10—Apparatus for measuring unknown time intervals by electric means by measuring electric or magnetic quantities changing in proportion to time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/20—Cathode-ray oscilloscopes
- G01R13/208—Arrangements for measuring with C.R. oscilloscopes, e.g. vectorscope
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/06—Measuring depth of modulation
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
- G04F13/02—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means
- G04F13/023—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means using cathode-ray oscilloscopes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7312324A FR2224759A1 (en) | 1973-04-05 | 1973-04-05 | Period to voltage convertor for testing FM units - displays dots rising or falling with period |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7312324A FR2224759A1 (en) | 1973-04-05 | 1973-04-05 | Period to voltage convertor for testing FM units - displays dots rising or falling with period |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2224759A1 true FR2224759A1 (en) | 1974-10-31 |
Family
ID=9117478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7312324A Withdrawn FR2224759A1 (en) | 1973-04-05 | 1973-04-05 | Period to voltage convertor for testing FM units - displays dots rising or falling with period |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2224759A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998054832A1 (fr) * | 1997-05-27 | 1998-12-03 | Konecny Cestmir | Dispositif permettant de convertir en tension la frequence d'un signal electrique |
WO2013098359A3 (fr) * | 2011-12-28 | 2013-08-22 | St-Ericsson Sa | Compteur de temps charge-numérique |
US8618965B2 (en) | 2011-12-28 | 2013-12-31 | St-Ericsson Sa | Calibration of a charge-to-digital timer |
US8659360B2 (en) | 2011-12-28 | 2014-02-25 | St-Ericsson Sa | Charge-to-digital timer |
US9379729B2 (en) | 2011-12-28 | 2016-06-28 | St-Ericsson Sa | Resistive/residue charge-to-digital timer |
-
1973
- 1973-04-05 FR FR7312324A patent/FR2224759A1/fr not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998054832A1 (fr) * | 1997-05-27 | 1998-12-03 | Konecny Cestmir | Dispositif permettant de convertir en tension la frequence d'un signal electrique |
WO2013098359A3 (fr) * | 2011-12-28 | 2013-08-22 | St-Ericsson Sa | Compteur de temps charge-numérique |
US8618965B2 (en) | 2011-12-28 | 2013-12-31 | St-Ericsson Sa | Calibration of a charge-to-digital timer |
US8659360B2 (en) | 2011-12-28 | 2014-02-25 | St-Ericsson Sa | Charge-to-digital timer |
US9379729B2 (en) | 2011-12-28 | 2016-06-28 | St-Ericsson Sa | Resistive/residue charge-to-digital timer |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
CL | Concession to grant licenses |