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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

A solid-state photosensitive electron device in which use is made of the variation of the current-voltage characteristic as a function of incident radiation.  2, record 1, English, - electric%20eye

Record number: 1, Textual support number: 1 OBS

Mention of the qualifier "solid-state" in this definition implies that phototubes are excluded from it. The Modern Dictionary of Electronic (Rudolf F. Graf, 5th ed. 1977) states that "the term should not be used for a phototube, which is a vacuum tube and not a cell". However, these terms are, in fact, often used in a more general sense to designate all types of light-sensitive electronic devices. This record deals with the terms in their more restricted sense.  6, record 1, English, - electric%20eye

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

Cellule photo-électrique servant à la commande de dispositifs automatiques (ouverture d'une porte, par exemple).  1, record 1, French, - %26oelig%3Bil%20%C3%A9lectrique

Record number: 1, Textual support number: 1 OBS

photoélectrique : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004).  5, record 1, French, - %26oelig%3Bil%20%C3%A9lectrique

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

A vacuum tube whose electron-beam indicates visually the comparative magnitude of a direct or alternating voltage.  4, record 2, English, - electric%20eye

Record number: 2, Textual support number: 1 CONT

Used for tuning and balancing circuits, electric eyes are perhaps best known for their formerly frequent employment as devices for facilitating tuning in radio receivers.  4, record 2, English, - electric%20eye

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Tube à vide dont le faisceau électronique indique visuellement l'amplitude relative d'une tension continue ou alternative.  1, record 2, French, - %26oelig%3Bil%20magique

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

Exposure meter built into a camera which determines or controls the lens aperture to provide proper exposure.  1, record 3, English, - electric%20eye

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 DEF

Posemètre incorporé dans l'appareil photographique et qui détermine ou modifie l'ouverture de diaphragme afin d'obtenir l'exposition correcte.  1, record 3, French, - %26oelig%3Bil%20%C3%A9lectrique

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 DEF

An electronic tube whose photocathode emits electrons by the external photoelectric effect.  3, record 4, English, - phototube

Record number: 4, Textual support number: 1 OBS

The terms photoelectric cell and photocell are popularly used to designate what, in fact, are phototubes. This is to be discouraged, since, in some contexts, a phototube may be considered as but one type of photoelectric cell, while, in others, phototubes are entirely excluded from the concept of photoelectric cells.  3, record 4, English, - phototube

Record number: 4, Textual support number: 2 OBS

electric eye: This term is probably more often used as a synonym of a more general concept of photoelectric cell (including photoconductive devices). It is a popular and imprecise term, and using it with reference to phototubes would therefore seem inadvisable. Moreover, it may also designate another, unrelated, type of device (also called a magic eye) formerly used for tuning radio receivers.  3, record 4, English, - phototube

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 DEF

Tube électronique, à vide ou à gaz, comportant une photocathode capable d'émettre des électrons par effet photoélectrique externe.  2, record 4, French, - phototube

Record number: 4, Textual support number: 1 OBS

Le terme cellule photoélectrique est souvent, dans le langage courant, employé comme synonyme de cellule photoémissive, ou phototube. En fait, dans certains contextes, les phototubes ne constituent qu'une catégorie de cellules photoélectriques, alors que dans d'autres, ils en sont carrément exclus.  2, record 4, French, - phototube

Record number: 4, Textual support number: 2 OBS

photoélectrique : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004).  6, record 4, French, - phototube

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 CONT

There are several different types of photoelectric cells. In some [i.e., phototubes] there is a light-sensitive surface [a photocathode] which emits electrons and a second electrode, usually maintained at a fairly high positive potential, which collects the electrons ... A second type is the photovoltaic or barrier layer photocell in which incident light produces an emf between two terminals ... Solar cells, widely used to provide energy for satellites and space vehicles, are photovoltaic cells converting radiant energy into electrical energy. A familiar form uses a very perfect silicon crystal which is treated with trace impurities to introduce extra positive charges on one side of a thin wafer and extra negative charges on the other side ... Radiant energy disturbs the electrical balance of the charges and thereby induces an emf which continues as long as light strikes the crystal ... A third type of photoelectric cell [photoconductive, or photoresistive cell] utilizes the photoconductivity effect.  6, record 5, English, - photoelectric%20receptor

Record number: 5, Textual support number: 1 OBS

The term photoelectric cell, or photocell, should not be used for a phototube, which is a vacuum tube and not a cell.  1, record 5, English, - photoelectric%20receptor

Record number: 5, Textual support number: 2 OBS

electric eye: The layman's term for a photoelectric cell. Also used to designate an unrelated type of electronic device (a magic eye) used for tuning radio receivers.  1, record 5, English, - photoelectric%20receptor

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 OBS

Dans le Dictionnaire de Physique (J.P. Mathieu, 1983), on décrit trois catégories de cellules photoélectriques, soit : 1) les cellules photoémissives (syn. : phototubes - qui ne font pas appel aux matériaux semiconducteurs); 2) les cellules photovoltaïques; 3) les cellules photoconductrices (ou photorésistantes), ces deux dernières catégories nécessitant l'emploi de semiconducteurs. Dans l'Encyclopédie internationale des sciences et des techniques on utilise le terme dans ce même sens général. Par contre, dans le Dictionnaire mémento d'électronique, Dunot, éd. Paris 1969, page 59, on exclut les phototubes. On retrouve donc, en français, la même diversité de sens des termes qu'en anglais. Cette fiche traite de ces termes dans leur sens le plus large.  1, record 5, French, - r%C3%A9cepteur%20photo%C3%A9lectrique

Record number: 5, Textual support number: 2 OBS

photoélectrique : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004).  5, record 5, French, - r%C3%A9cepteur%20photo%C3%A9lectrique

Record number: 5, Textual support number: 1 PHR

Selenium photocell.  6, record 5, French, - r%C3%A9cepteur%20photo%C3%A9lectrique

Record 5,  Textual support,  Spanish