Bosch INTEGRUS Specifications Page 7

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2. System description
and planning
2.1 System overview
Integrus is a system for wireless distribution of audio sig-
nals via infra-red radiation. It can be used in a simulta-
neous interpretation system for international conferences
where multiple languages are used. To enable all partici-
pants to understand the proceedings, interpreters simul-
taneously translate the speaker’s language as required.
These interpretations are distributed throughout the con-
ference venue, and delegates select the language of their
choice and listen to it through headphones.
The Integrus system can also be used for music distribu-
tion (mono as well as stereo).
Figure 2.1 Integrus system overview (witch DCN-system as input)
The Integrus Digital Infra-red Language Distribution
System comprises one or more of the following:
Infra-red transmitter
The transmitter is the core of the Integrus system.
Four types are available:
• LBB 4502/04 with inputs for 4 audio channels
• LBB 4502/08 with inputs for 8 audio channels
• LBB 4502/16 with inputs for 16 audio channels
• LBB 4502/32 with inputs for 32 audio channels
Interface modules
One of two different interface modules can be mounted
in the transmitter housing to connect the transmitter to a
wide range of conference systems:
• LBB 3423 DCN Interface module to connect to the
Digital Congress Network (DCN).
• LBB 3422/1x Symmetrical Audio Input and Interpreters
Module to connect to analogue discussion and
conference systems (such as CCS 800) or to
LBB 3222/04 6-channel interpreters desks.
Infra-red radiators
Two types of radiators are available:
• LBB 4511/00 medium-power radiator for
small/medium conference venues
• LBB 4512/00 high-power radiator for
medium/large conference venues
Both types can be switched between full and half power
use. They can be mounted on walls, ceilings or floor stands.
Infra-red receivers
Two multi-channel infra-red receivers are available:
• LBB 4540/04 for 4 audio channels
• LBB 4540/32 for 32 audio channels
They can operate with a rechargeable NiMH battery pack
or with disposable batteries. Charging circuitry is incor-
porated in the receiver.
Charging equipment
Equipment is available for charging and storing
56 infra-red receivers.It is available for portable
or fixed-installation applications.
2.2 System technology
2.2.1 IR radiation
The Integrus system is based on transmission by modu-
lated infra-red radiation. Infra-red radiation forms part
of the electro-magnetic spectrum, which is composed of
visible light, radio waves and other types of radiation.
It has a wavelength just above that of visible light. Like
visible light, it is reflected from hard surfaces, yet passes
through translucent materials such as glass. The infra-red
radiation spectrum in relation to other relevant spectra is
shown in figure 2.2
Figure 2.2 Infra-red radiation spectrum in relation to other spectra
100
75
1
4
2
50
25
0
400 500 600 700 800
53
900 1000 nm
%
Integrus Data brochure | System description and planning |7
1 Daylight spectrum
2 Sensitivity of the human eye
3IR radiator
4 Sensitivity of IR sensor
5 Sensitivity of IR sensor with daylight filter
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