![]() ![]() H03G3/30- Automatic control in amplifiers having semiconductor devices.H03G3/00- Gain control in amplifiers or frequency changers without distortion of the input signal.238000006011 modification reaction Methods 0.000 description 4.230000000873 masking Effects 0.000 claims abstract description 13.230000000051 modifying Effects 0.000 claims abstract description 37.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Mikell Bruce T filed Critical Mikell Bruce T Priority to US07/711,933 priority Critical patent/US5245666A/en Application granted granted Critical Publication of US5245666A publication Critical patent/US5245666A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Mikell Original Assignee Mikell Bruce T Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US07/711,933 Inventor Bruce T. Google Patents Personal subliminal messaging systemÄownload PDF Info Publication number US5245666A US5245666A US07/711,933 US71193391A US5245666A US 5245666 A US5245666 A US 5245666A US 71193391 A US71193391 A US 71193391A US 5245666 A US5245666 A US 5245666A Authority US United States Prior art keywords sound subliminal message level signal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5245666A - Personal subliminal messaging system US5245666A - Personal subliminal messaging system
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