SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
NON-PORTABLE BEAM LIGHTING DEVICES OR SYSTEMS
F21M
1/1
F 21 M
NON-PORTABLE BEAM LIGHTING DEVICES OR SYSTEMS (signal lighting devices F 21 Q)
Non-portable electric beam lighting devices or systems
1
/
00
Electric beam lighting or spot-lighting devices or systems other than vehicle head-lighting devices or systems (with built-in power sources F 21 M 5/00)
3
/
00
Electric head-lighting or spot-lighting devices for vehicles (F 21 M 5/00 takes precedence; arrangements of lighting devices on vehicles in general, the mounting or supporting thereof or circuits therefor B 60 Q; testing alignment thereof G 01 M 11/06) [4]
3
/
02
•
employing point-like light sources; employing light sources of which the shape is not specified
3
/
05
•
•
providing a single shaped beam, e.g. asymmetric beam, e.g. for penetrating fog or for preventing glare (F 21 M 3/16 to F 21 M 3/26 take precedence) [4]
3
/
08
•
•
•
by the shape of the reflector
3
/
10
•
•
•
by the shape of the light source (light sources per seH 01 J, H 01 K)
3
/
12
•
•
•
by the shape of the refractor
3
/
14
•
•
•
by the provision of screens or non-reflecting parts
3
/
16
•
•
providing two or more separate reflectors (F 21 M 3/18 takes precedence)
3
/
18
•
•
with provision for changing shape or direction of the beam
3
/
20
•
•
•
by changing shape or position of reflector
3
/
22
•
•
•
by changing position of light source
3
/
24
•
•
with provision for periodically chopping the beam
3
/
25
•
•
emitting coloured light
3
/
26
•
•
emitting polarised light
3
/
28
•
employing linear light sources
3
/
30
•
employing light sources of shapes not covered by the preceding subgroups
5
/
00
Electric beam lighting devices or systems with built-in power sources
5
/
02
•
the power source being a battery or an accumulator
5
/
04
•
the power source being a generator
7
/
00
Details of kinds solely applicable to the devices or systems covered by groups F 21 M 1/00 to F 21 M 5/00
Non-portable non-electric beam lighting devices or systems (burners, combustion apparatus F 23)
9
/
00
Non-electric beam lighting or spot-lighting devices or systems other than vehicle head-lighting or spot-lighting devices or systems
11
/
00
Non-electric head-lighting or spot-lighting devices for vehicles (arrangements of lighting devices on vehicles in general, the mounting or supporting thereof or circuits therefor B 60 Q) [4]
13
/
00
Details of kinds solely applicable to the devices or systems covered by groups F 21 M 9/00 and F 21 M 11/00
15
/
00
Non-portable beam lighting or spot-lighting devices or systems employing combinations of electric and non-electric light sources; Replacing electric by non-electric light sources or vice versa in non-portable beam lighting or spot-lighting devices