Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1998-05-28
1999-09-14
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
119859, 3403842, G08B 2300
Patent
active
059529253
ABSTRACT:
A collar for wearing by a cat and for warning a bird of the presence of the cat that includes a strap for wearing around the neck of the cat, and an electric device disposed on the strap. An electronic circuit of the electric device includes first, second, third, and fourth pairs of dip switches, a speaker, a volume control in electrical communication with the speaker, a frequency generator in electrical communication with the volume control through an electronic switch and the first pair of dip switches. The first pair of dip switches adjust the frequency of the carrier wave generated by the frequency generator. The electronic circuit further includes a microprocessor that processes input from the second, third, and fourth pairs of dip switches and is in electrical communication with the electronic switch, and the second, third, and fourth pairs of dip switches. The electronic circuit further includes a light level detector in electrical communication with the microprocessor through a light detector switch. The electronic circuit further includes a power supply in electrical communication with the microprocessor through a power switch. The electronic circuit produces a wave form that has a pulse width, a separation between pulses, and a period. The pulse width is adjusted by the second pair of dip switches, the separation between pulses of the wave form is adjusted by the third pair of dip switches, and the period of the wave form is adjusted by the fourth pair of dip switches.
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Miller P.E. Richard L.
Mullen Thomas
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