GB849444A - Improvements relating to the measurement of time intervals - Google Patents
Improvements relating to the measurement of time intervalsInfo
- Publication number
- GB849444A GB849444A GB2470656A GB2470656A GB849444A GB 849444 A GB849444 A GB 849444A GB 2470656 A GB2470656 A GB 2470656A GB 2470656 A GB2470656 A GB 2470656A GB 849444 A GB849444 A GB 849444A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulses
- line
- time
- waveform
- pulse generator
- 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.)
- Expired
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
849,444. Cathode-ray oscilloscopes. METROPOLITAN-VICKERS ELECTRICAL CO. Ltd. Aug. 29, 1957 [Aug. 13, 1956], No. 24706/56. Class 40(7). For measuring the time duration of recurrent waveforms a time calibrator comprises a plurality of delay lines in cascade each line having an associated pulse generator for feeding input pulses into the line and tapping points spaced at predetermined intervals therealong with a switch for selecting a tapping point to derive an output pulse which triggers the pulse generator for the succeeding line, Figs. I and 2 (neither shown), the pulse generator of the first line is triggered at the repetition rate of the waveform being measured and the output of the time calibrator is displayed simultaneously with the waveform. The delay lines may have unused sections at their beginnings and ends. In the embodiment an input J of the same recurrence rate as the examined waveform produces sawtooth K applied to strobing circuits 21, 22 each adjustable to produce output pulses L, M respectively. Pulses L are applied to time calibrator 23 and pulses M to trigger cathode-ray tube time base 24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2470656A GB849444A (en) | 1956-08-13 | 1956-08-13 | Improvements relating to the measurement of time intervals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2470656A GB849444A (en) | 1956-08-13 | 1956-08-13 | Improvements relating to the measurement of time intervals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB849444A true GB849444A (en) | 1960-09-28 |
Family
ID=10215968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2470656A Expired GB849444A (en) | 1956-08-13 | 1956-08-13 | Improvements relating to the measurement of time intervals |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB849444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3364418A (en) * | 1964-09-24 | 1968-01-16 | Marquette Corp | Timing adjusting apparatus for internal combustion engines |
-
1956
- 1956-08-13 GB GB2470656A patent/GB849444A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3364418A (en) * | 1964-09-24 | 1968-01-16 | Marquette Corp | Timing adjusting apparatus for internal combustion engines |
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