Wake-up device

Details Wake-up device Wake-up device

1998-05-05

1999-09-14

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

180272, 340576, 3406915, 340692, G08B 2300

Patent

active

059529296

ABSTRACT:
A wake-up device includes at least one sound source for use in a wake-up action. A speaker unit converts electric signals from the at least one sound source into sound signals. A signal processor changes the condition of electric signals from the at least one sound source. A random number generator generates a random number. A controller performs sound source selection in accordance with the random number generated by the random number generator, and/or changes the conditions of electric signals from the at least one sound source by means of the signal processor.

REFERENCES:
patent: 3610943 (1971-10-01), Jones
patent: 3794968 (1974-02-01), Hill
patent: 4031467 (1977-06-01), Singleton, Jr. et al.
patent: 4058796 (1977-11-01), Oishi et al.
patent: 4644330 (1987-02-01), Dowling
patent: 4965552 (1990-10-01), Price et al.

Affiliated with

Also associated with

Rating

Wake-up device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Wake-up device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wake-up device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1513989