JPS5219471B1 - - Google Patents
Info
- Publication number
- JPS5219471B1 JPS5219471B1 JP46067549A JP6754971A JPS5219471B1 JP S5219471 B1 JPS5219471 B1 JP S5219471B1 JP 46067549 A JP46067549 A JP 46067549A JP 6754971 A JP6754971 A JP 6754971A JP S5219471 B1 JPS5219471 B1 JP S5219471B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G01R23/10—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
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6953470A | 1970-09-04 | 1970-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5219471B1 true JPS5219471B1 (ja) | 1977-05-27 |
Family
ID=22089638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46067549A Pending JPS5219471B1 (ja) | 1970-09-04 | 1971-09-03 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3693097A (ja) |
| JP (1) | JPS5219471B1 (ja) |
| CA (1) | CA922386A (ja) |
| DE (1) | DE2142053A1 (ja) |
| FR (1) | FR2105257B1 (ja) |
| GB (1) | GB1358194A (ja) |
| MY (1) | MY7500221A (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1485377A (en) * | 1973-11-30 | 1977-09-08 | Lucas Industries Ltd | Apparatus for generating a dc signal proportional to an input frequency |
| US4090242A (en) * | 1976-07-15 | 1978-05-16 | Odetics, Inc. | Method and means for evaluating phase encoded communication systems |
| US4128892A (en) * | 1977-09-07 | 1978-12-05 | Fairchild Camera And Instrument Corporation | Pulse width measurement circuitry |
| CA1145399A (en) * | 1980-10-28 | 1983-04-26 | Hendrik M. Wondergem | Frequency counter |
| FR3123044B1 (fr) | 2021-05-20 | 2024-04-12 | Psa Automobiles Sa | Dispositif de renfort de train arriere de vehicule, notamment automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1047534A (en) * | 1964-05-25 | 1966-11-09 | Standard Telephones Cables Ltd | Improvements in or relating to digital counting equipments |
-
1970
- 1970-09-04 US US69534A patent/US3693097A/en not_active Expired - Lifetime
-
1971
- 1971-08-11 CA CA120474A patent/CA922386A/en not_active Expired
- 1971-08-19 GB GB3906171A patent/GB1358194A/en not_active Expired
- 1971-08-21 DE DE19712142053 patent/DE2142053A1/de active Pending
- 1971-09-03 FR FR7131909A patent/FR2105257B1/fr not_active Expired
- 1971-09-03 JP JP46067549A patent/JPS5219471B1/ja active Pending
-
1975
- 1975-12-30 MY MY221/75A patent/MY7500221A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA922386A (en) | 1973-03-06 |
| MY7500221A (en) | 1975-12-31 |
| GB1358194A (en) | 1974-06-26 |
| DE2142053A1 (de) | 1972-03-09 |
| US3693097A (en) | 1972-09-19 |
| FR2105257B1 (ja) | 1975-02-07 |
| FR2105257A1 (ja) | 1972-04-28 |