| G | SK | SECTION G — PHYSICS |
| G12 | KL | INSTRUMENT DETAILS |
| G12B | UKL | DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR |
| G12B 1/00 | HGR | Sensitive elements capable of producing movement or displacement for purposes not limited to measurement; Associated transmission mechanisms therefor |
| G12B 1/02 | UGR1 | | . | Compound strips or plates, e.g. bimetallic (thermometers using bimetallic elements G01K 5/62) |
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| G12B 1/04 | UGR1 | | . | Hollow bodies having parts which are deformable or displaceable under pressure, e.g. Bourdon tube, bellows (bellows in general F16J 3/00) |
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| G12B 3/00 | HGR | Details of movements not otherwise provided for (details of apparatus using scanning-probe techniques G12B 21/00; damping of shock or vibrations in general F16F; avoiding out-of-balance forces F16F 15/00; testing balance G01M) [1, 7] |
| G12B 3/02 | UGR1 | | . | Caging of movements, i.e. locking of movements when not in use |
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| G12B 3/04 | UGR1 | | . | Suspensions (bearings F16C) |
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| G12B 3/06 | UGR1 | | . | Reducing effects of friction, e.g. by vibration (by lubrication F16N) |
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| G12B 3/08 | UGR1 | | . | Damping of movements, e.g. to promote rapid non-oscillatory movement to a final reading |
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| G12B 3/10 | UGR2 | |
| G12B 5/00 | HGR | Adjusting position or attitude, e.g. level, of instruments or other apparatus, or of parts thereof (levels per seG01C 9/00); Compensating for the effects of tilting or acceleration, e.g. for optical apparatus |
| G12B 7/00 | HGR | Compensating for the effects of temperature (by cooling G12B 15/00) |
| G12B 9/00 | HGR | Housing or supporting of instruments or other apparatus |
| G12B 9/02 | UGR1 | | . | Casings; Housings; Cabinets (sealing arrangements for transmission members F16J, particularly F16J 15/50) |
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| G12B 9/04 | UGR2 | |
| G12B 9/06 | UGR3 | |
| G12B 9/08 | UGR1 | | . | Supports; Devices for carrying |
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| G12B 9/10 | UGR2 | | . . | Instrument boards; Panels; Desks; Racks; Frameworks |
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| G12B 11/00 | HGR | Indicating elements; Illumination thereof |
| G12B 11/02 | UGR1 | |
| G12B 11/04 | UGR1 | | . | Pointers; Setting-mechanisms therefor |
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| G12B 13/00 | HGR | Calibrating of instruments or apparatus (calibrating of measuring instruments G01) |
| G12B 15/00 | HGR | Cooling (by refrigeration, e.g. circulation of refrigerated fluid, F25D; heat-exchange or heat-transfer details of general application F28F) |
| G12B 15/02 | UGR1 | | . | by closed-cycle fluid-circulating systems |
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| G12B 15/04 | UGR1 | | . | by currents of fluid, e.g. air, in open cycle |
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| G12B 15/06 | UGR1 | | . | by contact with heat-absorbing or radiating masses, e.g. heat-sink |
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| G12B 17/00 | HGR | Screening (insulation or other protection of buildings E04B; emergency protection of apparatus in general F16P 7/00; in connection with acoustic waves G10K 11/00; in connection with nuclear radiation G21F) |
| G12B 17/02 | UGR1 | | . | from electric or magnetic fields, e.g. radio waves |
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| G12B 17/04 | UGR1 | | . | from ultra-violet, visible, or infra-red light (screening of lighting devices F21V; optical filters G02B 5/20) |
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| G12B 17/06 | UGR1 | |
| G12B 17/08 | UGR1 | | . | from influences producing mechanical damage, e.g. caused by blast, by external object, by person (G12B 17/02-G12B 17/06 take precedence) |
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| G12B 21/00 | HGR | Details of apparatus using scanning-probe techniques [7] |
| G12B 21/02 | UGR1 | |
| G12B 21/04 | UGR2 | | . . | Tunnel effect probes [7] |
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| G12B 21/06 | UGR2 | | . . | Near-field optical probes [7] |
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| G12B 21/08 | UGR2 | | . . | Atomic force probes [7] |
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| G12B 21/10 | UGR2 | | . . | Magnetic force probes [7] |
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| G12B 21/12 | UGR2 | | . . | Electrostatic force probes [7] |
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| G12B 21/20 | UGR1 | | . | Scanning or positioning arrangements [7] |
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| G12B 21/22 | UGR2 | | . . | Structural details [7] |
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| G12B 21/24 | UGR2 | | . . | Compensation for temperature or vibration induced errors [7] |
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