Patent No. 5245666 Personal subliminal messaging system
Patent No. 5245666 Personal subliminal messaging system (Mikell, Sep 14, 1993) Abstract A personal subliminal messaging system includes a wide range linear subliminal modulator (43), a digital audio recording or play device (46), a microphone (51) to pick up the sound at the ear, and an earpiece (50) to deliver the subliminal message. The sound level at the user's ear is detected and measured. After risetime and decay conditioning of the varying dc control signal, the wide range linear modulator (43) uses this signal to control the level of the message to the earpiece (50). The user adjusts the system for a liminal of a subliminal level. The psychoacoustic phenomena of Post Masking is used to increase the integrity of the message in subliminal messaging systems. Notes: BACKGROUND 1. Field of Invention This invention relates generally to auditory subliminal messaging systems, specifically to a system that...