FR827427A - Time measurement devices - Google Patents
Time measurement devicesInfo
- Publication number
- FR827427A FR827427A FR827427DA FR827427A FR 827427 A FR827427 A FR 827427A FR 827427D A FR827427D A FR 827427DA FR 827427 A FR827427 A FR 827427A
- Authority
- FR
- France
- Prior art keywords
- time measurement
- measurement devices
- devices
- time
- measurement
- 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
- 238000005259 measurement Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/38—Exposure time
- H05G1/40—Exposure time using adjustable time-switch
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27472/36A GB483024A (en) | 1936-10-09 | 1936-10-09 | Improvements in or relating to apparatus for timing x-ray exposures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR827427A true FR827427A (en) | 1938-04-26 |
Family
ID=10260144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR827427D Expired FR827427A (en) | 1936-10-09 | 1937-10-02 | Time measurement devices |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2167529A (en) |
| FR (1) | FR827427A (en) |
| GB (1) | GB483024A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL59159C (en) * | 1942-03-04 | 1947-03-16 | Philips Nv | device for measuring the amperes second product consumed by a power consumer |
| US2504865A (en) * | 1946-05-15 | 1950-04-18 | Us Sec War | Limit timer for protection of X-ray tubes |
| US2641701A (en) * | 1946-11-29 | 1953-06-09 | Int Standard Electric Corp | Timing device |
| US2494218A (en) * | 1947-07-03 | 1950-01-10 | Picker X Ray Corp Waite Mfg | Stabilizer with condenser modulator |
| DE900116C (en) * | 1950-11-22 | 1953-12-21 | Seifert & Co Rich | Device for controlling X-ray devices for diagnostics |
| US3140422A (en) * | 1960-06-06 | 1964-07-07 | Gen Electric | Indicator lamp circuit |
| US3925672A (en) * | 1972-12-06 | 1975-12-09 | Siemens Ag | X-ray diagnosis apparatus with a directly heated X-ray tube |
-
1936
- 1936-10-09 GB GB27472/36A patent/GB483024A/en not_active Expired
-
1937
- 1937-08-12 US US158643A patent/US2167529A/en not_active Expired - Lifetime
- 1937-10-02 FR FR827427D patent/FR827427A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB483024A (en) | 1938-04-11 |
| US2167529A (en) | 1939-07-25 |
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