Thermal imaging camera comprising a cover plate
First Claim
1. Infrared camera with a thermal imaging sensor and a planar cover plate adjustable between an open and a closed position by means of an electric drive (5), the cover plate comprising a temperature sensor, wherein the open position and the closed position of the cover plate (1) each form a self-locking end position, wherein, for changing between the two end positions, an electric drive (5) is provided that is switched to be deactivated in the self-locking end positions, wherein the cover plate (1) includes a cover disk (3) connected to a first end of a pivot arm (2) on whose second end a pivot bearing (4) is provided and on which the electric drive (5) attaches, a contact point (6) is provided on the pivot arm (2) at the second end thereof offset to the rotational axis of the pivot bearing (4), a leg spring (7) having two legs of which one is movably seated in a mounting point on the contact point (6) and the other is movably seated in a mounting point on a fixed suspension point (9) on the housing, wherein, as a tipping element, the leg spring (7) fixes the two end positions.
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Abstract
This invention relates to a thermal imaging camera comprising a thermal imaging sensor and a cover plate that can be displaced between an open and a closed position by means of an electric drive. The invention is characterized in that the open and the closed position of the cover plate (1) form respectively self-locking end positions and that an electric drive is provided to switch between the end positions, said drive being supplied with no current in the self-locking end positions.
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Citations
9 Claims
- 1. Infrared camera with a thermal imaging sensor and a planar cover plate adjustable between an open and a closed position by means of an electric drive (5), the cover plate comprising a temperature sensor, wherein the open position and the closed position of the cover plate (1) each form a self-locking end position, wherein, for changing between the two end positions, an electric drive (5) is provided that is switched to be deactivated in the self-locking end positions, wherein the cover plate (1) includes a cover disk (3) connected to a first end of a pivot arm (2) on whose second end a pivot bearing (4) is provided and on which the electric drive (5) attaches, a contact point (6) is provided on the pivot arm (2) at the second end thereof offset to the rotational axis of the pivot bearing (4), a leg spring (7) having two legs of which one is movably seated in a mounting point on the contact point (6) and the other is movably seated in a mounting point on a fixed suspension point (9) on the housing, wherein, as a tipping element, the leg spring (7) fixes the two end positions.
Specification
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- Resources
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Current AssigneeTesto AG
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Original AssigneeTesto AG
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InventorsZahn, Patrick, Stratmann, Martin, Schuler, Karl, Kaiser, Jrg
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Primary Examiner(s)Porta, David
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Assistant Examiner(s)GUNBERG, EDWIN C
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Application NumberUS12/677,007Publication NumberTime in Patent Office2,163 DaysField of Search250/300, 250/339.04, 396/448, 396/493, 396/467, 396/468, 396/471US Class Current250/330CPC Class CodesG01J 5/0805 Means for chopping radiationG01J 5/48 Thermography; Techniques us...G01J 5/53 Reference sources, e.g. sta...G03B 11/04 Hoods or caps for eliminati...G03B 11/043 Protective lens closures or...G03B 2217/007 Details of energy supply or...G03B 9/10 Blade or disc rotating or p...G03B 9/66 Means for cocking shutter s...H04N 23/23 from thermal infrared radia...H04N 23/50 Constructional detailsH04N 5/33 Transforming infrared radia...
