|
| US4141344 | 2. März 1978 | 27. Febr. 1979 | | Sound recording system |
| US4191175 | 16. Jan. 1978 | 4. März 1980 | | Method and apparatus for repetitively producing a noise-like audible signal |
| US4282864 | 12. Mai 1980 | 11. Aug. 1981 | | Method and apparatus for inducing a pre-hypnotic state |
| US4289121 | 4. Sept. 1979 | 15. Sept. 1981 | | Method for controlling functional state of central nervous system and device for effecting same |
| US4315502 | 11. Okt. 1979 | 16. Febr. 1982 | | Learning-relaxation device |
| US4335710 | 16. Jan. 1980 | 22. Juni 1982 | Omnitronics Research Corporation | Device for the induction of specific brain wave patterns |
| US4355644 | 10. Dez. 1979 | 26. Okt. 1982 | | Heart rate bio-feedback system |
| US4819616 | 13. Apr. 1987 | 11. Apr. 1989 | | Baby calmer |
| US5123899 | 17. Jan. 1991 | 23. Juni 1992 | | Method and system for altering consciousness |
| US5167610 | 23. Mai 1990 | 1. Dez. 1992 | Matsushita Electric Works, Ltd. | Sleep inducing system |
| US5197941 | 30. Juli 1991 | 30. März 1993 | | Portable device for controlling Circadian Rhythm disorders |
| US5213562 | 25. Apr. 1990 | 25. Mai 1993 | Interstate Industries Inc. | Method of inducing mental, emotional and physical states of consciousness, including specific mental activity, in human beings |
| US5356368 | 1. März 1991 | 18. Okt. 1994 | Interstate Industries Inc. | Method of and apparatus for inducing desired states of consciousness |
| US5709645 | 30. Jan. 1996 | 20. Jan. 1998 | Comptronic Devices Limited | Independent field photic stimulator |
| US6902296 | 13. Juni 2003 | 7. Juni 2005 | | Nightlight for phototherapy |
| US7749155 | 23. Sept. 1998 | 6. Juli 2010 | Headwaters R+D Inc. | Digital sound relaxation and sleep-inducing system and method |
