G
SECTION G — PHYSICS
  
INSTRUMENTS
 G12
INSTRUMENT DETAILS
 G12B
DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
 G12B

Note(s)

  1. This subclass covers only details which are not restricted to measuring instruments or to any other apparatus covered by a single class.
  2. This subclass does not cover:
  3. Attention is drawn to the Notes following the title of section G, especially as regards to the definition of the term "measuring" in Note (2) following the title of class G01.
 G12B 1/00
Sensitive elements capable of producing movement or displacement for purposes not limited to measurement; Associated transmission mechanisms therefor
 G12B 1/02
·  Compound strips or plates, e.g. bimetallic
 G12B 1/04
·  Hollow bodies having parts which are deformable or displaceable under pressure, e.g. Bourdon tube, bellows (bellows in general F16J 3/00)
 G12B 3/00
Details of movements not otherwise provided for (damping of shock or vibrations in general F16F; avoiding out-of-balance forces F16F 15/00; testing balance G01M)
 G12B 3/02
·  Caging of movements, i.e. locking of movements when not in use
 G12B 3/04
·  Suspensions (bearings F16C)
 G12B 3/06
·  Reducing effects of friction, e.g. by vibration (by lubrication F16N)
 G12B 3/08
·  Damping of movements, e.g. to promote rapid non-oscillatory movement to a final reading
 G12B 3/10
·  ·  using eddy currents
 G12B 5/00
Adjusting position or attitude, e.g. level, of instruments or other apparatus, or of parts thereof (levels per se G01C 9/00); Compensating for the effects of tilting or acceleration, e.g. for optical apparatus
 G12B 7/00
Compensating for the effects of temperature (by cooling G12B 15/00)
 G12B 9/00
Housing or supporting of instruments or other apparatus
 G12B 9/02
·  Casings; Housings; Cabinets (sealing arrangements for transmission members F16J, particularly F16J 15/50)
 G12B 9/04
·  ·  Details, e.g. cover
 G12B 9/06
·  ·  ·  Metal casings
 G12B 9/08
·  Supports; Devices for carrying
 G12B 9/10
·  ·  Instrument boards; Panels; Desks; Racks; Frameworks
 G12B 11/00
Indicating elements; Illumination thereof
 G12B 11/02
·  Scales; Dials
 G12B 11/04
·  Pointers; Setting-mechanisms therefor
 G12B 13/00
Calibrating of instruments or apparatus (calibrating of measuring instruments G01)
 G12B 15/00
Cooling (by refrigeration, e.g. circulation of refrigerated fluid, F25D; heat-exchange or heat-transfer details of general application F28F)
 G12B 15/02
·  by closed-cycle fluid-circulating systems
 G12B 15/04
·  by currents of fluid, e.g. air, in open cycle
 G12B 15/06
·  by contact with heat-absorbing or radiating masses, e.g. heat-sink
 G12B 17/00
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 17/00

Note(s)

This group covers:

  • the protection of instruments or other apparatus from external radiation or other influences;
  • the prevention of the emission of undesirable radiation or other influences by instruments or other apparatus.

 G12B 17/02
·  from electric or magnetic fields, e.g. radio waves
 G12B 17/04
·  from ultra-violet, visible, or infra-red light (screening of lighting devices F21V; optical filters G02B 5/20)
 G12B 17/06
·  from heat (G12B 17/04 takes precedence; cooling G12B 15/00)
 G12B 17/08
·  from influences producing mechanical damage, e.g. caused by blast, by external object, by person (G12B 17/02-G12B 17/06 take precedence)