Infrared Systems These systems use invisible (infrared) light beams to carry information from a transmitter connected to a public address system or microphone to special portable receivers...
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Infrared Systems
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2.3 Infrared (IR) Systems
2.3 Infrared (IR) Systems An IR system transmits audio signals via invisible infrared light waves....
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General: ADA Standard Section 706.1
There are hard-wired systems and three types of wireless systems: induction loop, infrared, and FM radio transmission....
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11B-706.1 General
There are hard-wired systems and three types of wireless systems: induction loop, infrared, and FM radio transmission....
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Sennheiser SZI 1029 Infrared Emitter
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Types of Systems
Types of Systems Assistive listening systems are generally categorized by their mode of transmission....
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Sennheiser SZI 1029 Infrared Emitter
The SZI 1029 is a high-powered infrared emitter for wideband or narrow-band signals from an IR modulator....
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2.3.1 Standards
2.3.1 Standards There are no standards that we are aware of that specifically cover the unique aspects of IR systems....
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Sennheiser HDI 1029 Multi-Channel Infrared Stethoset Receiver
The HDI 1029 is a lightweight, user-friendly multi-channel infrared stethoset receiver for use with the SI 29-5 system....
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Sennheiser HDI 1029 Multi-Channel Infrared Stethoset Receiver
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2. BACKGROUND
BACKGROUND Three types of ALS are in widespread use at the present time: Induction Loop (IL) systems, Frequency Modulated (FM) radio systems, and Infrared (IR) systems....
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A4.33.7 Types of Listening Systems
Radio frequency systems can be extremely effective and inexpensive....
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4.33.7* Types of Listening Systems
Assistive listening systems (ALS) are intended to augment standard public address and audio systems by providing signals which can be received directly by persons with special receivers...
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4.33.7* TYPES OF LISTENING SYSTEMS
Audio loops and radio frequency systems are two acceptable types of listening systems....
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WIR TX75 PRO Mid-Range Infrared System
Description The WIR TX75 PRO Infrared transmitter ensures participants in your conference room, courtroom, classroom or other mid-sized venue receive direct, clear communication of your...
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A4.33.7 TYPES OF LISTENING SYSTEMS
A listening system that can be used from any seat in a seating area is the most flexible way to meet this specification....
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Sennheiser SZI 30 Transmitter or Modulator
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Sennheiser SI 30 Master Transmitter
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Sennheiser SZI 1015 2-Watt Radiator
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2.3.3 Issues
2.3.3 Issues * Up to now, 95 kHz has been the sub-carrier most frequently used by manufacturers of IR systems....
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Sennheiser HDI 830 Two-Channel Stethoset Receiver for Wideband Transmission Systems
The HDI 830 is a professional two-channel stethoset receiver for wideband transmission systems (with carrier frequencies of 2.3 MHz and 2.8 MHz) in museums, theaters and churches....
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706.1 General
There are hard-wired systems and three types of wireless systems: induction loop, infrared, and FM radio transmission....
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706.1 General
There are hard-wired systems and three types of wireless systems: induction loop, infrared, and FM radio transmission....
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706.1 General
There are hard-wired systems and three types of wireless systems: induction loop, infrared, and FM radio transmission....
