Sound-emitting device

Details Sound-emitting device Sound-emitting device

2006-08-17

2011-10-04

Hunnings, Travis R (Department: 2612)

Communications: electrical

Audible indication

C340S384700

Reexamination Certificate

active

08031058

ABSTRACT:
A sound-emitting device (10, FIG.1) may be mounted to a wall near places which will be unsuitable for the congregation of young person, such as outside shops and on street corners. The device generates sound waves at a frequency that is detectable by one or more subgroups of individuals within a group of individuals.

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“Tillicum Journal; This Music is Intended to Make Youths Walk” by Timothy Egan (Aug. 22, 1990), http://query.nytimes.com/gst/fullpage.html?res=9C0CE6DB153EF931A1575BC0A966958260.
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Frequency Range of Human Hearing (http://hypertextbook.com/facts/2003/ChrisDAmbrose.shtml), Glenn Elert, Jul. 29, 2003 (via Internet Archive).
Search Report in related application GB 0602284.2, now GB 2,421,655, Search Report dated May 17, 2006.
TeenRepel, “So How Does It Work”, listed in Search Report above, exact date unknown, apparently obtained by GB Patent Office at www.teenrepel.co.uk.
BBC, “Dispersing A Crowd”, Aug. 2, 2004, listed in Search Report above, apparently obtained by GB Patent Office at www.bbc.co.uk.
Search Report in related application GB 0602284.2, now GB 2,421,655, Search Report dated May 17, 2006.
TeenRepel, “So How Does It Work”, listed in Search Report above, exact date unknown, apparently obtained by GB Patent Office at www.teenrepel.co.uk, copy attached May 2006 .
BBC, “Dispersing a Crowd”, Aug. 2, 2004, listed in Search Report above, apparently obtained by GB Patent Office at www.bbc.co.uk.

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