Accession Number:

ADA191156

Title:

Safety Evaluation of the NC-106 Multi-Order Gradient, Noise-Cancelling Microphone,

Descriptive Note:

Corporate Author:

NAVAL SURFACE WEAPONS CENTER SILVER SPRING MD

Personal Author(s):

• Buchholz, S. E.
• Baker, J. W.
• Barnes, J. A.
• Bis, R. F.
• Davis, P. B.

Report Date:

1986-04-01

Pagination or Media Count:

24.0

Abstract:

The Naval Electronics System Command requested that the Naval Surface Weapons Center, White Oak NSWCWO, perform a safety evaluation of the NC-106 Multi-Order Gradient, Noise-Cancelling Microphone in order to obtain approval for use within the Navy. The gradient microphone contains one Panasonic lithium poly-carbomonofluoride BR-12A cell and was tested by NSWCWO under a regime set forth by NAVSEA INSTRUCTION 9310.1A. The methods and results of NAVSEA INSTRUCTION 9310.1A testing are given in this report. Keywords Lithium, Panasonic BR-12A cell, Poly carbonmonofluoride, Multi-Order gradient, Noise-Cancelling microphone.

Descriptors:

• *MICROPHONES
• *SAFETY
• *ELECTRIC BATTERIES
• ELECTRONIC EQUIPMENT
• NAVAL EQUIPMENT
• TEST AND EVALUATION
• LITHIUM
• NOISE REDUCTION
• POLYMERS
• CARBON COMPOUNDS
• FLUORINE COMPOUNDS
• PLASTICS
• POLYCARBONATES
• HIGH TEMPERATURE
• ENVIRONMENTAL TESTS

Subject Categories:

• Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE