FR2107973B1 - - Google Patents
Info
- Publication number
- FR2107973B1 FR2107973B1 FR7134039A FR7134039A FR2107973B1 FR 2107973 B1 FR2107973 B1 FR 2107973B1 FR 7134039 A FR7134039 A FR 7134039A FR 7134039 A FR7134039 A FR 7134039A FR 2107973 B1 FR2107973 B1 FR 2107973B1
- 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
- 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)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1424670A CH521591A (de) | 1970-09-25 | 1970-09-25 | Verfahren und Einrichtung zur Messung der Frequenz eines elektrischen Signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2107973A1 FR2107973A1 (OSRAM) | 1972-05-12 |
| FR2107973B1 true FR2107973B1 (OSRAM) | 1977-01-21 |
Family
ID=4399211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7134039A Expired FR2107973B1 (OSRAM) | 1970-09-25 | 1971-09-22 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH521591A (OSRAM) |
| DE (1) | DE2051403A1 (OSRAM) |
| FR (1) | FR2107973B1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3134056A1 (de) * | 1981-08-28 | 1983-03-10 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur zeitlichen ueberwachung eines signals |
| DE3719463A1 (de) * | 1987-06-11 | 1988-12-22 | Dienes Apparatebau Gmbh | Einrichtung zur drehzahlregelung eines asynchronmotors |
-
1970
- 1970-09-25 CH CH1424670A patent/CH521591A/de not_active IP Right Cessation
- 1970-10-20 DE DE19702051403 patent/DE2051403A1/de active Pending
-
1971
- 1971-09-22 FR FR7134039A patent/FR2107973B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2107973A1 (OSRAM) | 1972-05-12 |
| DE2051403A1 (de) | 1972-03-30 |
| CH521591A (de) | 1972-04-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |