NL78979C - - Google Patents
Info
- Publication number
- NL78979C NL78979C NL78979DA NL78979C NL 78979 C NL78979 C NL 78979C NL 78979D A NL78979D A NL 78979DA NL 78979 C NL78979 C NL 78979C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Software Systems (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Adjustable Resistors (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75118A US2638783A (en) | 1949-02-08 | 1949-02-08 | Relative humidity measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL78979C true NL78979C (xx) |
Family
ID=22123666
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL78979D NL78979C (xx) | 1949-02-08 | ||
| NL656517038A NL151445B (nl) | 1949-02-08 | Afdichtinrichting voor een bewerkingskamer voor bandmateriaal. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL656517038A NL151445B (nl) | 1949-02-08 | Afdichtinrichting voor een bewerkingskamer voor bandmateriaal. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2638783A (xx) |
| BE (1) | BE493786A (xx) |
| CH (1) | CH292455A (xx) |
| DE (1) | DE868980C (xx) |
| FR (1) | FR1015476A (xx) |
| GB (1) | GB695866A (xx) |
| NL (2) | NL151445B (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2720107A (en) * | 1953-01-29 | 1955-10-11 | Wallace & Tiernan Inc | Dew-point hygrometer |
| US2845221A (en) * | 1953-09-11 | 1958-07-29 | Allyn C Vine | Buoyancy recorder |
| US2873607A (en) * | 1953-12-17 | 1959-02-17 | Philips Corp | Device for measuring a physical quantity |
| US2947089A (en) * | 1954-11-24 | 1960-08-02 | Curtiss Wright Corp | Simulated carburetor air temperature system for aircraft training apparatus |
| US3051895A (en) * | 1955-04-21 | 1962-08-28 | Robert L Carson | Gas detection |
| US2996911A (en) * | 1957-06-21 | 1961-08-22 | Illinois Testing Laboratories | Direct reading dew-point meter |
| US3088319A (en) * | 1959-08-20 | 1963-05-07 | Minnesota Mining & Mfg | Apparatus for determining molecular weight |
| US3037387A (en) * | 1960-04-29 | 1962-06-05 | Friedman Herbert | Dew point indicator |
| NL266180A (xx) * | 1960-06-21 | |||
| GB1591372A (en) * | 1976-08-27 | 1981-06-24 | British Steel Corp | Gas monitors |
| US4298855A (en) * | 1980-08-26 | 1981-11-03 | Honeywell Inc. | Conductive polymer film humidity sensor |
| GB8326982D0 (en) * | 1983-10-08 | 1983-11-09 | Plessey Co Plc | Atmospheric sensor |
| CN110068718B (zh) * | 2019-05-30 | 2022-01-04 | 山东联合电力产业发展有限公司 | 一种电阻分压的电子式互感器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE514539C (de) * | 1929-02-20 | 1930-12-16 | Siemens & Halske Akt Ges | Anordnung fuer nach dem Psychrometerprinzip arbeitende Hygrometer mit Kreuzspulinstrument |
| US2016660A (en) * | 1931-12-28 | 1935-10-08 | Walter S Weeks | Apparatus for measuring rate of cooling |
| US2098650A (en) * | 1935-11-27 | 1937-11-09 | Leeds & Northrup Co | Temperature measuring system |
| US2349860A (en) * | 1942-01-21 | 1944-05-30 | Hainer Glenn Oliver | Method of determining differences between dew point and dry bulb temperatures |
| GB558299A (en) * | 1942-06-26 | 1943-12-30 | Standard Telephones Cables Ltd | Improvements in or relating to electrical temperature indicators |
-
0
- BE BE493786D patent/BE493786A/xx unknown
- NL NL78979D patent/NL78979C/xx active
- NL NL656517038A patent/NL151445B/xx unknown
-
1949
- 1949-02-08 US US75118A patent/US2638783A/en not_active Expired - Lifetime
-
1950
- 1950-02-03 GB GB2850/50A patent/GB695866A/en not_active Expired
- 1950-02-05 DE DEN477A patent/DE868980C/de not_active Expired
- 1950-02-06 CH CH292455D patent/CH292455A/de unknown
- 1950-02-08 FR FR1015476D patent/FR1015476A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH292455A (de) | 1953-08-15 |
| BE493786A (xx) | |
| US2638783A (en) | 1953-05-19 |
| DE868980C (de) | 1953-03-02 |
| FR1015476A (fr) | 1952-10-13 |
| NL151445B (nl) | |
| GB695866A (en) | 1953-08-19 |