DK411177A - - Google Patents
Info
- Publication number
- DK411177A DK411177A DK411177A DK411177A DK411177A DK 411177 A DK411177 A DK 411177A DK 411177 A DK411177 A DK 411177A DK 411177 A DK411177 A DK 411177A DK 411177 A DK411177 A DK 411177A
- Authority
- DK
- Denmark
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
- G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
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- 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
- G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK411177A DK140387B (en) | 1977-09-16 | 1977-09-16 | Apparatus for measuring relative frequency deviation. |
| DE19782838376 DE2838376A1 (en) | 1977-09-16 | 1978-09-02 | FREQUENCY MEASURING DEVICE |
| FR7825726A FR2403562A1 (en) | 1977-09-16 | 1978-09-07 | Frequency measuring circuit using separate counters - compares unknown frequencies with reference and has register for contents subsequently fed to display (DK 17.4.79) |
| JP11184078A JPS5451873A (en) | 1977-09-16 | 1978-09-13 | Relative frequency deviation measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK411177A DK140387B (en) | 1977-09-16 | 1977-09-16 | Apparatus for measuring relative frequency deviation. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK411177A true DK411177A (en) | 1979-03-17 |
| DK140387B DK140387B (en) | 1979-08-13 |
| DK140387C DK140387C (en) | 1980-01-14 |
Family
ID=8130296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK411177A DK140387B (en) | 1977-09-16 | 1977-09-16 | Apparatus for measuring relative frequency deviation. |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5451873A (en) |
| DE (1) | DE2838376A1 (en) |
| DK (1) | DK140387B (en) |
| FR (1) | FR2403562A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2505443B1 (en) * | 1981-05-08 | 1987-06-26 | Europ Agence Spatiale | POSITION INDICATOR FOR VALVE, PARTICULARLY FOR LOCKING VALVE |
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1977
- 1977-09-16 DK DK411177A patent/DK140387B/en unknown
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1978
- 1978-09-02 DE DE19782838376 patent/DE2838376A1/en active Pending
- 1978-09-07 FR FR7825726A patent/FR2403562A1/en not_active Withdrawn
- 1978-09-13 JP JP11184078A patent/JPS5451873A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2403562A1 (en) | 1979-04-13 |
| DK140387C (en) | 1980-01-14 |
| JPS5451873A (en) | 1979-04-24 |
| DK140387B (en) | 1979-08-13 |
| DE2838376A1 (en) | 1979-05-10 |