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Document Title |
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7948351 |
Circuit protection device having warning function
A circuit protection device having a warning function includes a casing with a button, a first terminal and a second terminal connected thereto. A resilient bi-metallic plate is connected between...
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7887907 |
Thermally movable plastic devices
In accordance with the invention, thin bodies of plastic, such as sheets or strands, with substantially different thermal coefficients of expansion are laminated together to make plastic bodies...
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7782170 |
Low consumption and low actuation voltage microswitch
A microswitch comprises a deformable membrane including two substantially parallel flexure arms, attached to a substrate via at least one end thereof and comprising thermal actuating means. An...
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7112362 |
Thermally movable plastic devices and toys
In accordance with the invention, thin bodies of plastic, such as sheets or strands, with substantially different thermal coefficients of expansion are laminated together to make plastic bodies...
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6404128 |
Glow discharge starter
In a glow discharge starter, a layer of lanthanum is present on one of the conductors and the gas filling is a Penning mixture. The glow discharge starter does not contain radioactive material. The...
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5512799 |
Glowbottle starting device for gaseous discharge devices
A glowbottle starter switch for igniting gaseous discharge lamps in alternating current circuits. The glowbottle including a hermetically sealed glass envelope (7) containing a fill of an ionizable...
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5394056 |
Opening of capsule inside sealed lamp
A capsule containing a precise amount of a substance such as mercury is mounted in an electrode mount assembly on a temperature sensitive member. At elevated temperatures the capsule is moved away...
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5298876 |
Bi-metallic switch element
A bi-metallic switch element 10 has a contact wire 26 attached thereto by means of a plurality of crimps. A first crimp 28 applied at a first pressure fixes the contact wire to the element and a...
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5001391 |
Glow discharge starter
A glow discharge starter having an hermetically sealed envelope of vitreous material, a seal located at one end thereof and containing an ionizable medium. A pair of electrical conductors extend...
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4978180 |
Tri-model type circuit breaker and rapid-start fluorescent lamp containing same
A tri-model circuit breaker for use in a rapid-start fluorescent lamp. The circuit breaker includes a glass bulb, first and second electrical leads sealed into and passing through the glass bulb,...
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4882835 |
Method of making glow discharge starter
This invention relates to a glow discharge starter having an hermetically sealed envelope containing an ionizable medium, a bimetallic electrode and a counter electrode located within the envelope....
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4761583 |
Glow discharge starter containing radioactive alloy
A glow discharge starter having an hermetically sealed envelope of vitreous material, a seal located at one end thereof and containing an ionizable medium. A pair of electrical conductors extend...
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4709187 |
Lamp with lead wire thermal switch
A rapid-start fluorescent lamp has a tubular envelope with a phosphor-coated inner wall, a pair of spaced electrodes and a pair of electrical leads sealed into the ends of the envelope with one...
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4659966 |
Rapid-start fluorescent lamp integrated circuit breaker structure and manufacture
A rapid-start fluorescent lamp has a tubular envelope with a phosphor-coated inner wall surface, a pair of spaced electrodes and a pair of electrical leads sealed into each end of the envelope with...
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4647893 |
Rapid-start fluorescent lamp having a bimetal circuit breaker with leg portions of unequal length
A rapid-start fluorescent lamp includes a circuit breaker having a sealed glass bottle, a pair of electrical conductors sealed therein and passing therethrough and a thermally sensitive bimetal...
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4646049 |
Glow discharge starter containing thorium for improving dark starting
A glow discharge starter having an hermetically sealed envelope containing an ionizable medium, a bimetallic electrode and a counter electrode located therewithin. A pair of lead-in conductors...
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4572986 |
Circuit breaker with thin-walled bulb
A rapid-start fluorescent lamp includes a pair of spaced electrodes within an envelope having a fill gas and a phosphor-covered inner wall surface with a circuit breaker having a glass bulb with a...
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4562379 |
Glow switch starter having metal oxide deposit
In a glow switch starter comprising an airtight envelope in which a dischargeable gas is contained, and an electrode assembly hermetically sealed in one end of the envelope and having a stem in...
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4171519 |
Circuit breaker with parallel shorting element
A circuit breaker has a thermally sensitive bimetal connected across two lead-in wires in a glass envelope. An electrically conductive bypass element is in parallel with the bimetal and shorts it...
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4052687 |
Circuit breaker with parallel shorting element
A circuit breaker has a thermally sensitive bimetal connected across two lead-in wires in a glass envelope. An electrically conductive bypass element is in parallel with the bimetal and shorts it...
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4012707 |
Fusible element for electrical apparatus
Multiple portions exhibiting relatively different heat conductance characteristics, and so arranged that heat is concentrated in the fusible element, are used to control the heat transfer in a...
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3872350 |
Ballast having integral time delay relay
A ballast for starting and operating gaseous discharge lamps having spaced apart electrodes. The ballast includes an elongated casing and a transformer received in the casing. The transformer has a...
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3768056 |
ELECTRO-THERMIC STARTER FOR IGNITING FLUORESCENT LAMPS
A starter switch for a fluorescent lamp including a microswitch actuated by an electrically heated bi-metallic expansion element. A second bi-metallic element is provided to compensate for changes...
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3745409 |
COMBINATION OF A LOW-PRESSURE MERCURY VAPOUR DISCHARGE LAMP AND A GLOW DISCHARGE STARTER
In the combination of a low-pressure mercury vapour discharge lamp with a glow discharge starter, such combination can be made to start high voltage lamps (i.e. more than 150 volts). This is...
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3681639 |
GLOW DISCHARGE STARTER TUBE WITH HYDROCARBON-RARE GAS FILL
A glow discharge starter tube having within a sealed envelope gaseous atmosphere consisting of a rate gas and a gaseous hydrocarbon.
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3333075 |
Starter for low voltage fluorescent lamps
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3192436 |
Heater switching cathode for magnetrons
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3162741 |
Overvoltage arrestor having a light dispersion of fine metallic dust on its inside walls
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3161746 |
Fluorescent lamp starter including a glow switch contiguous and thermally connectred o a thermal switch
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3145280 |
Glow switch having a cadmium covered electrode
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3098137 |
Thermal switch
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3082349 |
Filament connection for electric lamps
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2930873 |
Glow switch
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2838633 |
Time delay switch of the gaseous electric discharge tube type
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