Improvements in or relating to Electric Incandescent Lamps.
Номер патента: GB191402843A
Опубликовано: 30-04-1914
Автор(ы): Felix Loewenstein
Принадлежит: Individual
Опубликовано: 30-04-1914
Автор(ы): Felix Loewenstein
Принадлежит: Individual
Реферат: 2843. Loewenstein, F. Feb. 3. Bulbs; filaments, supports for; filaments.- In a lamp having a filament in the form of a letter, figure, or other readable sign, the front a of the bulb is flat, and the rear wall is made non-reflecting, for example by coating internally with black or coloured material. The filament may be mounted in front of an opaque support b, or it may be behind a correspondingly-shaped carrier of transparent or coloured glass.
Improvements in or relating to the combination of an incandescent lamp and a reflector, more particularly for car lighting
Номер патента: GB748740A. Автор: . Владелец: LAMPE NORMA SOC AUTO LAMPE. Дата публикации: 1956-05-09.