Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent
1984-09-19
1987-02-24
Kemeny, E. S. Matt
Electrical audio signal processing systems and devices
Monitoring/measuring of audio devices
Loudspeaker operation
340540, 36 50, G10L 500
Patent
active
046463500
ABSTRACT:
A shoe has a device to provide an audible message such as a song or a word message. In one form, a shoe such as a child's shoe of the hook and loop variety has a stored audible message such as a micro circuit mounted on the shoe, or may receive an audible message such as an audible radio message. The audible message is activated in a suitable manner, and in a preferred embodiment the message unit is activated by opening or closing the shoe. In one form a switch is connected to the shoe opening device as, for example an electrically conductive member attached to the shoe closure, and opening and closing the shoe completes or interrupts an electrical circuit. In another form, a magnetic member on the shoe closure moves to make or break the circuit.
REFERENCES:
patent: 2940184 (1960-06-01), Malone
patent: 3702999 (1972-11-01), Gradisar
patent: 4465003 (1984-08-01), Makabe et al.
patent: 4559678 (1985-12-01), Birkenstock
Kemeny E. S. Matt
Steinhilper Frank A.
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