Assignee
SMITH ENGINEERING
US·23 granted patents·1,998 citations·filing 1978–1996
Top patents by PatentIndex Score
23 records- 0198US4359222AHand-held electronic game playing device with replaceable cartridgesSMITH ENGINEERING·Filed 1978·Granted Nov 16, 1982·177 cites·33 claims
- 0297US4462076AVideo game cartridge recognition and security systemSMITH ENGINEERING·Filed 1982·Granted Jul 24, 1984·299 cites·17 claims
- 0396US4846693AVideo based instructional and entertainment system using animated figureSMITH ENGINEERING·Filed 1988·Granted Jul 11, 1989·296 cites·19 claims
- 0494US5779576AThrow-measuring footballSMITH ENGINEERING·Filed 1996·Granted Jul 14, 1998·229 cites·21 claims
- 0594US5394168ADual-mode hand-held game controllerSMITH ENGINEERING·Filed 1993·Granted Feb 28, 1995·251 cites·4 claims
- 0694US4408103AJoystick operated multiple position switchSMITH ENGINEERING·Filed 1982·Granted Oct 4, 1983·94 cites·6 claims
- 0792US4349196AComputer control toy track systemSMITH ENGINEERING·Filed 1980·Granted Sep 14, 1982·66 cites·4 claims
- 0888US4786967AInteractive video apparatus with audio and video branchingSMITH ENGINEERING·Filed 1986·Granted Nov 22, 1988·67 cites·45 claims
- 0986US4875096AEncoding of audio and digital signals in a video signalSMITH ENGINEERING·Filed 1989·Granted Oct 17, 1989·53 cites·4 claims
- 1085US5796387APositioning system using infrared radiationSMITH ENGINEERING·Filed 1994·Granted Aug 18, 1998·84 cites·10 claims
- 1185US4398086AGame-calculator having sliding maskSMITH ENGINEERING·Filed 1982·Granted Aug 9, 1983·40 cites·8 claims
- 1284US4500879ACircuitry for controlling a CRT beamSMITH ENGINEERING·Filed 1982·Granted Feb 19, 1985·69 cites·2 claims
- 1379US5401025ARemote control system for raster scanned video displaySMITH ENGINEERING·Filed 1994·Granted Mar 28, 1995·45 cites·5 claims
- 1476US5067079AInteractive audio baseball gameSMITH ENGINEERING·Filed 1989·Granted Nov 19, 1991·36 cites·15 claims
- 1576US5043646ARemote control direction selecting systemSMITH ENGINEERING·Filed 1990·Granted Aug 27, 1991·49 cites·9 claims
- 1675US5351969ARemote control system for raster scanned video displaySMITH ENGINEERING·Filed 1992·Granted Oct 4, 1994·36 cites·6 claims
- 1770US4504062ADigital watch having matrix display for arcade-like game playingSMITH ENGINEERING·Filed 1981·Granted Mar 12, 1985·23 cites·1 claims
- 1867US5277429AGame assembly utilizing sound identification for moves on a game boardSMITH ENGINEERING·Filed 1993·Granted Jan 11, 1994·29 cites·9 claims
- 1962US4360808ARadio control apparatus with voice transmission capabilitySMITH ENGINEERING·Filed 1980·Granted Nov 23, 1982·18 cites·16 claims
- 2056US4627090AAudio frequency multiplication deviceSMITH ENGINEERING·Filed 1985·Granted Dec 2, 1986·14 cites·6 claims
- 2147US4622690AAudio frequency multiplication deviceSMITH ENGINEERING·Filed 1985·Granted Nov 11, 1986·9 cites·10 claims
- 2242US4337460AHand-held sound effects deviceSMITH ENGINEERING·Filed 1980·Granted Jun 29, 1982·10 cites·1 claims
- 2333US4272917ASteering assembly rendering car unstable in a turnSMITH ENGINEERING·Filed 1980·Granted Jun 16, 1981·4 cites·21 claims
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