US5145444A — Strobe light effect yo-yo

Claim 1

Independent Claim 186 words

A return top toy including a pair of spaced body halves having inner surfaces facing each other and outer surfaces facing away from each other; a rim surface disposed between and connecting said inner and outer surfaces and forming the periphery of each of said body halves; an axle disposed between and spacing apart said body halves; at least one light emitting diode carried by at least one of said body halves; a solid state control circuit carried by said body halves and connected to said light emitting diode, said circuit effective to cause said diode to flash on and off so as to produce a stroboscopic effect; and, a power source carried by one of said body halves and connected to said control circuit to power said light emitting diode, means for securing said power source in one of said body halves, said means including a cover member which forms a portion of said outer surface of one of said body halves and encloses a chamber in said body half, said cover member including at least one aperture for allowing access to said power source.

Claim 2

Dependent Claim 186 words

A return top toy including a pair of spaced body halves having inner surfaces facing each other and outer surfaces facing away from each other; a rim surface disposed between and connecting said inner and outer surfaces and forming the periphery of each of said body halves; an axle disposed between and spacing apart said body halves; at least one light emitting diode carried by at least one of said body halves; a solid state control circuit carried by said body halves and connected to said light emitting diode, said circuit effective to cause said diode to flash on and off so as to produce a stroboscopic effect; and, a power source carried by one of said body halves and connected to said control circuit to power said light emitting diode, means for securing said power source in one of said body halves, said means including a cover member which forms a portion of said outer surface of one of said body halves and encloses a chamber in said body half, said cover member including at least one aperture for allowing access to said power source.

Claim 3

Dependent Claim 26 words

A return top toy as in claim 1 including a transistor switch connected to said control circuit to turn said light emitting diode on and off.

Claim 4

Dependent Claim 25 words

A return top toy as in claim 1 in which said control circuit is operative to activate said LED at a plurality of predetermined frequencies.

Claim 5

Dependent Claim 33 words

A return top toy as in claim 3 in which said control circuit includes timing means operative at said plurality of predetermined frequencies to periodically energize said LED to produce said stroboscopic effect.

Claim 6

Dependent Claim 29 words

A return top toy as in claim 4 including a manually operated switch connected to said control circuit operative to determine the desired frequency of operation of said LED.

Claim 7

Dependent Claim 16 words

A return top toy as in claim 1 including an LED disposed in each body half.

Claim 8

Dependent Claim 29 words

A return top toy as in claim 1 in which each body half is formed of translucent material so as to display light emitted from said light emitting diode.

Claim 9

Dependent Claim 43 words

A return top toy as in claim 1 including a rotatable disc positioned between said cover member and said chamber said disc defining an aperture such that alignment of said disc aperture and said cover member aperture provides access to said power source.

Claim 10

Dependent Claim 148 words

A rotatable toy comprising a rotatable body; an axis of rotation for said body; at least one light emitting diode in said body spaced radially from said axis of rotation such that when said body is rotated, said diode rotates about said axis of rotation; a solid state control circuit carried by said body and connected to said diode, said circuit including timing means to periodically supply power to said diode to cause said diode to flash so as to produce a stroboscopic effect; a power source carried by said body and connected to said control circuit to power said light emitting diode, and means for securing said power source in said body, said means including a cover member with at least one aperture for allowing access to said power source, said cover member further forms a portion of said body, and encloses a chamber in said body.

Claim 11

Dependent Claim 148 words

A rotatable toy comprising a rotatable body; an axis of rotation for said body; at least one light emitting diode in said body spaced radially from said axis of rotation such that when said body is rotated, said diode rotates about said axis of rotation; a solid state control circuit carried by said body and connected to said diode, said circuit including timing means to periodically supply power to said diode to cause said diode to flash so as to produce a stroboscopic effect; a power source carried by said body and connected to said control circuit to power said light emitting diode, and means for securing said power source in said body, said means including a cover member with at least one aperture for allowing access to said power source, said cover member further forms a portion of said body, and encloses a chamber in said body.

Claim 12

Dependent Claim 25 words

A rotatable toy as in claim 9 including a transistor switch connected to said control circuit to turn said light emitting diode on and off.

Claim 13

Dependent Claim 87 words

A rotatable toy as in claim 9 in which said body consists of spaced body halves having inner surfaces facing each other and outer surfaces facing away from each other, a rim surface disposed between and connecting said inner and outer surfaces and forming the periphery of each of said body halves, an axle disposed between and spacing apart said body halves, said axis of rotation being coincident with said axle, and at least one light emitting diode carried by at least one of said body halves.

Claim 14

Dependent Claim 15 words

A rotatable toy as in claim 11 including an LED disposed in each body half.

Claim 15

Dependent Claim 28 words

A rotatable toy as in claim 11 in which each body half is formed of translucent material so as to display light emitted from said light emitting diode.

Claim 16

Dependent Claim 42 words

A rotatable toy as in claim 11 including a rotatable disc positioned between said cover member and said chamber said disc defining an aperture such that alignment of said disc aperture and said cover member aperture provides access to said power source.

Claim 17

Dependent Claim 24 words

A rotatable toy as in claim 9 in which said control circuit is operative to activate said LED at a plurality of predetermined frequencies.

Claim 18

Dependent Claim 32 words

A rotatable toy as in claim 15 in which said control circuit includes timing means operative at said plurality of predetermined frequencies to periodically energize said LED to produce said stroboscopic effect.

Claim 19

Dependent Claim 27 words

A rotatable toy as in claim 16 including manually operated switch connected to said control circuit operative to determine the desired frequency of operation of said LED.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1995-09-08	1996-03-09	1996-09-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1999-09-08	2000-03-09	2000-09-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2003-09-08	2004-03-09	2004-09-08	$7700.00	Window Closed / Lapsed

Strobe light effect yo-yo

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