H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
9/00
Details of colour television systems
9/00
Details of colour television systems
H04N9/12
Picture reproducers
H04N9/12
Picture reproducers
H04N9/31
Projection devices for colour picture display; , e.g. using electronic spatial light modulators [ESLM]
H04N9/31
Projection devices for colour picture display; , e.g. using electronic spatial light modulators [ESLM]
H04N9/3141
Constructional details thereof
H04N9/3141
Constructional details thereof
H04N9/3147
Multi-projection systems
H04N9/3147
Multi-projection systems