Copyright © Françoise Herrmann
The following and final hyperlinked list of John Logie Baird patents covers French (FR) patents archived at l'INPI; Switzerland (CH) , Germany (DE) and Canada (CA) patents, with one additional Denmark (DK) patent and an Austrian (AT) patent, archived at the EPO.
Although patents have a 600-year history of their own, beginning with Letters patent (meaning open or unsealed letters), the patents listed here for John Logie Baird and all the ones that he filed in Great Brittan and in the US, are very much part of the history of engineering and in particular the engineering saga that led to the mass production of TVs. Thus, the disclosures that patents contain function as important records of the history of inventions, and in the particular case of John Logie Baird, as archives of one inventor’s extraordinary engineering creativity and trajectory, at the beginning of the 20th century.
France
FR623361 (A) ― 1927-06-23 - Perfectionnements aux appareils de télévision
FR653590 (A) ― 1929-03-22 - Perfectionnements apportés à la transmission de vues ou images à distance
FR653827 (A) ― 1929-03-28 - Perfectionnements aux dispositifs électriques sensibles à la lumière
FR655695 (A) ― 1929-04-22 - Perfectionnements apportés à la télautographie
FR655801 (A) ― 1929-04-24 - Perfectionnements aux dispositifs d'explorations pour appareils de télévision
FR673817 (A) ― 1930-01-20 - Perfectionnements aux lampes à effluves incandescents et autres lampes semblables
FR675406 (A) ― 1930-02-10 - Perfectionnements aux appareils de télévision et autres appareils semblables
FR682973 (A) ― 1930-06-04 - Perfectionnements aux appareils de television
FR689364 (A) ― 1930-09-05 - Perfectionnements aux appareils de télévision et similaires
FR680941 (A) ― 1930-05-07 - Perfectionnements aux appareils de télévision et similaires
Denmark
DK44476 (C) ― 1931-08-10 - Fremgangsmaade og Anordning til Opretholdelse af Synkronisme mellem Afsender og Modtager i Fjernsynssystemer.
Germany
DE487798 (C) ― 1929-12-19 - Verfahren zur Fernuebertragung von Bildern
DE524822 (C) ― 1931-05-15 - Lichtempfindliche Zelle mit einer duennen Schicht lichtempfindlichen Materials
DE545925 (C) ― 1932-03-07 - Elektrodenlose gasgefuellte Entladungsroehre fuer die Zwecke der Bilduebertragung und des Fernsehens
DE558982 (C) ― 1932-09-14 - Einrichtung zum Empfang von Bildern verschiedener Sendestationen
DE579156 (C) ― 1933-06-21 - Spiegelradanordnung fuer Fernseh- und aehnliche Zwecke
DE695961 (C) ― 1940-09-06 - Elektrooptische Zelle
Switzerland
CH122886 (A) ― 1927-11-16 - Verfahren und Einrichtung zur Fernübertragung von Bildern
CH123606 (A) ― 1927-12-01 - Einrichtung zur Fernübertragung von bildlichen Reproduktionen.
CH123830 (A) ― 1927-12-16 - Verfahren zur Fernübertragung mittelst einer lichtempfindlichen Zelle.
CH126090 (A) ― 1928-06-01- Verfahren und Einrichtung zur Bildfernübertragung.
CH128605 (A) ― 1928-11-01 - Apparat zur Erzeugung einer wechselnden Lichtstärke.
CH129139 (A) ― 1928-12-01 - Verfahren zur Aufzeichnung eines Bildes.
CH129745 (A) ― 1929-01-02 - Einrichtung zur Erzeugung eines sichtbaren Bildes eines im Dunkeln befindlichen Objektes.
CH133060 (A) ― 1929-05-15 - Einrichtung zum Antrieb von Televisions- und anderen Apparaten.
CH133632 (A) ― 1929-06-15 - Verfahren und Einrichtung zur Bildauswertung bei der Bildfernübertragung.
CH134238 (A) ― 1929-07-15 - Lichtempfindliche Zelle.
CH136197 (A) ― 1929-10-31 - Einrichtung zur Auswertung in Bildfernübertragungsanlagen.
CH138458 (A) ― 1930-02-28 -Bildfernübertragungsapparat.
CH141706 (A) ― 1930-08-15 - Wiedergabeapparat für Bildfernübertragung.
CH141707 (A) ― 1930-08-15 - Auswertungsvorrichtung für ein Objekt, zwecks Fernübertragung eines Bildes desselben
CH142303 (A) ― 1930-09-15 - Bildfernübertragungsanlage.
Canada
CA286731 (A) ― 1929-01-22 - LIGHT PRODUCING APPARATUS
CA288501 (A) ― 1929-04-02 - TELEVISION APPARATUS
CA294176 (A) ― 1929-10-22- TELEVISION
CA294185 (A) ― 1929-10-22 - TRANSMISSION OF SIGNALS FOR TELEVISION
CA294590 (A) ― 1929-11-05 - EXPLORING DEVICE FOR TELEVISION APPARATUS
CA296479 (A) ― 1930-01-07 - APPARATUS FOR RECORDING MOVING OBJECTS OR SCENES
CA296480 (A) ― 1930-01-07 - TELEVISION APPARATUS
CA297834 (A) ― 1930-02-25 - ELECTRIC SIGNAL APPARATUS INCLUDING TELEVISION
CA298282 (A) ― 1930-03-11 - GLOW-DISCHARGE LAMP
CA299606 (A) ― 1930-04-22 - LIGHT-SENSITIVE ELECTRIC DEVICE
CA304280 (A) ― 1930-09-23 - DEVICE FOR TRANSMITTING SIGNALS
CA314432 (A) ― 1931-08-18 - SYNCHRONIZING MEANS FOR TELEVISION APPARATUS
CA319529 (A) ― 1932-02-02 - TELEVISION APPARATUS
CA429352 (A) ― 1945-08-14 - STEREOSCOPIC TELEVISION APPARATUS
Austria
AT126281 (B) ― 1932-01-11 - Verfahren und Einrichtung zur Synchronisierung von Fernsehapparaten.
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