Sensalight

Details Sensalight Sensalight

1975-11-17

1977-05-17

Hohauser, Herman J.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

340258R, H01H 3700

Patent

active

040244130

ABSTRACT:
An electric circuit which is activated from the sound waves produced by jingling of keys, such as when a person wishes to unlock a door so to enter his home, the activated circuit turning on a porch lamp light and the like; the circuit including a transducer mounted next to a doorbell, the transducer changing all frequencies into electrical pulses, the pulses being amplified by three stages.

REFERENCES:
patent: 3471846 (1969-10-01), Cotter et al.
patent: 3582671 (1971-06-01), Ott

Affiliated with

Also associated with

Rating

Sensalight does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1836733