Accession Number : AD0163943

Title :   Auditory Test Facility with Multistage Single Sideband Heterodyning.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Dunn,Cletus M.

Report Date : 20 MAR 1973

Pagination or Media Count : 6

Abstract : The patent describes the design of a facility for testing auditory characteristics of humans. The invention is for testing anyone who needs to have the ability to discriminate between true tones and offset tones or at least satisfactory sensitivity to selected tones. Also this invention can be used for aduiogrammetric analysis which is required of some individuals to ascertain their hearing qualifications for certain jobs.

Descriptors :   (*PATENTS, *AUDIOMETRY), (*TEST FACILITIES, AUDIOMETRY), TEST EQUIPMENT, MODULATION

Subject Categories : Medical Facilities, Equipment and Supplies

Distribution Statement : APPROVED FOR PUBLIC RELEASE