For example, an FM system may be better than an infrared system in some open-air assemblies since infrared signals are less effective in sunlight....
Search Results "Signal-to-Noise Ratio"
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11B-706.1 General
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11B-706.1 General
For example, an FM system may be better than an infrared system in some open-air assemblies since infrared signals are less effective in sunlight....
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Federal Signal PS Series Push Button Stations Fire Alarm
The Federal Signal push-button stations function like a traditional fire alarm "pull station", providing a simple contact closure to activate emergency equipment, audible and visual signals...
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Pricilla Rogers, Ph.D., Center on Vision Loss, American Foundation for the Blind
Eliminate extra noise and distractions such as waterfalls and fountains....
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Platform to Hoistway Clearance: ADA Standard Section 407.4.3
Section 407.4.3 covers the current ADA Standards for the required clearance between the elevator car platform and the hoistway landing.
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Platform to Hoistway Clearance: ADA Standard Section 408.4.3
Section 408.4.3 covers the ADA Standards for the required clearance between the car platform and the hoistway landing of limited-use/application elevators.
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Relationship to Accessible Routes: ADA Standard Section 502.7
Section 502.7 covers the current ADA Standards for the relationship between accessible parking spaces and accessible routes.
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Platform to Runway Clearance: ADA Standard Section 410.4
Section 410.4 covers the current ADA Standards for the required clearance between the platform and any runway landing.
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Platform to Hoistway Clearance: ADA Standard Section 409.4.3
Section 409.4.2 covers the ADA Standards for the required clearance between the car platform and the hoistway landing in private residence elevators.
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Shoulder-to-Shoulder Seating: ADA Standard Section 1002.4.7.1
Where an amusement ride provides shoulder-to-shoulder seating, companion seats shall be shoulder-to-shoulder with the adjacent wheelchair space. EXCEPTION: Where...
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GENERAL CONSIDERATIONS FOR TRAFFIC SIGNAL CONTROLLED ROUNDABOUT PEDESTRIAN CROSSINGS
Only in the Netherlands is there a policy against signalizing roundabout crosswalks except for fully signalized roundabouts (i.e., large roundabouts that have traffic signals within the...
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11B-407.4.8.2.2 Signal level
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
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11B-407.4.8.2.2 Signal level
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
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Costs to Provide Accessible Pedestrian Signals and Pedestrian Pushbuttons (Section-by-Section Analysis)
are over 300,000 existing signalized intersections in the United States using a rule-of-thumb of one signalized intersection per 1,000 population.36 There are 2,550 new signalized intersections...
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Protect Your Career with a Professional Home Office Signal
You might be coping with "one bar" of signal right now....
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Governmental Units Affected (R209 Accessible Pedestrian Signals and Pedestrian Pushbuttons) (Section-by-Section Analysis)
Some state and local transportation departments currently provide accessible pedestrian signals and pedestrian pushbuttons when pedestrian signals are newly installed or replaced at signalized...
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A4.28.2 Audible Alarms
Audible emergency signals must have an intensity and frequency that can attract the attention of individuals who have partial hearing loss....
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Audible Alarms [4.28.2]
Recommendation: Alarms with a periodic element to the signal, such as single stroke bells, hi-low, and fast whoop, are considered more effective than those with continuous or reverberating...
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Paragraph (b) (Advisory Guidance)
Individuals using audio peripheral devices such as amplifiers, telecoil adapters, or direct-connection into a hearing aid need a standard, noise free way to tap into the audio generated...
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Issue 6: Is there a metric for the ratio of scotopic/photopic interactions?
Question by [Participant]: Are glare and contrast parameters synonymous for design and optometric use? (This question may lead to a major gap in scientific information.)
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NFPA: ADA Standard Section 105.2.5
Section 105.2.5 of the ADA Standards cover references to the National Fire Protection Association (NFPA).
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Calculation of Percentages: ADA Standard Section 104.2
Section 104.2 of the ADA Standards covers the most current information on the calculation of percentages in the ADA Standards.
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11B-104.2 Calculation of percentages
Where the required number of elements or facilities to be provided is determined by calculations of ratios or percentages and remainders or fractions result, the next greater whole number...
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11B-104.2 Calculation of percentages
Where the required number of elements or facilities to be provided is determined by calculations of ratios or percentages and remainders or fractions result, the next greater whole number...
