Auditory Test Facility with Multistage Single Sideband Heterodyning.
DEPARTMENT OF THE NAVY WASHINGTON D C
Pagination or Media Count:
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.
- Medical Facilities, Equipment and Supplies