DE317455C - - Google Patents
Info
- Publication number
- DE317455C DE317455C DENDAT317455D DE317455DA DE317455C DE 317455 C DE317455 C DE 317455C DE NDAT317455 D DENDAT317455 D DE NDAT317455D DE 317455D A DE317455D A DE 317455DA DE 317455 C DE317455 C DE 317455C
- Authority
- DE
- Germany
- Prior art keywords
- cells
- selenium
- radiation
- cell
- sensitivity
- 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.)
- Active
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 27
- 229910052711 selenium Inorganic materials 0.000 claims description 27
- 239000011669 selenium Substances 0.000 claims description 27
- 230000035945 sensitivity Effects 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 230000000191 radiation effect Effects 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/24—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil having light-sensitive input
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE317455C true DE317455C (enrdf_load_stackoverflow) |
Family
ID=570110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT317455D Active DE317455C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE317455C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE937509C (de) * | 1952-02-21 | 1956-01-05 | Trist & Co Ltd Ronald | Mit photoelektrischen Mitteln arbeitende Meldeanlage, insbesondere zum Anzeigen von Rauch od. dgl. |
-
0
- DE DENDAT317455D patent/DE317455C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE937509C (de) * | 1952-02-21 | 1956-01-05 | Trist & Co Ltd Ronald | Mit photoelektrischen Mitteln arbeitende Meldeanlage, insbesondere zum Anzeigen von Rauch od. dgl. |
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