US4363484A — Electronic table tennis game apparatus

Claim 1

Independent Claim 94 words

A player response game apparatus, comprising means for selectively generating beams of radiant energy in one of at least two different directions relative to a player station, player operated reflector means for intercepting a light beam from said generating means, means for detecting radiant energy which is reflected back from a player operated reflector means to a location adjacent the source of said one beam, and means responsive to said detecting means for controlling said selective light beam generating means to generate a radiant energy beam directed in the other of said two directions.

Claim 2

Dependent Claim 94 words

A player response game apparatus, comprising means for selectively generating beams of radiant energy in one of at least two different directions relative to a player station, player operated reflector means for intercepting a light beam from said generating means, means for detecting radiant energy which is reflected back from a player operated reflector means to a location adjacent the source of said one beam, and means responsive to said detecting means for controlling said selective light beam generating means to generate a radiant energy beam directed in the other of said two directions.

Claim 3

Dependent Claim 44 words

The game apparatus of claim 1, wherein said beam generating means includes means for selectively generating a plurality of radiant energy beams which originate at a generally central location and diverge outwardly from said central location at different angles relative to said player station.

Claim 4

Dependent Claim 47 words

The game apparatus of claim 2, which includes two player stations at opposite sides of said central location, and means at said central location for selectively generating radiant energy beams which diverge outwardly from said control location at different angles relative to each of said player stations.

Claim 5

Dependent Claim 57 words

The game apparatus of claim 1, which includes means for generating an audible signal simultaneously with the generation of said one radiant energy beam, and means responsive to the timing of the interception of said one beam by said hand held object relative to said audible signal for controlling the operation of said selective beam generating means.

Claim 6

Dependent Claim 79 words

A player response game apparatus, comprising a housing, means within said housing for selectively directing a beam of radiant energy out of said housing in different directions relative to a pair of player stations located on opposite sides of said housing, and means in said housing responsive to radiant energy reflected back to said housing when a beam is intercepted at one of said player stations for automatically directing a beam of radiant energy to the opposite player station.

Claim 7

Dependent Claim 79 words

A player response game apparatus, comprising a housing, means within said housing for selectively directing a beam of radiant energy out of said housing in different directions relative to a pair of player stations located on opposite sides of said housing, and means in said housing responsive to radiant energy reflected back to said housing when a beam is intercepted at one of said player stations for automatically directing a beam of radiant energy to the opposite player station.

Claim 8

Dependent Claim 37 words

The game apparatus of claim 5, wherein said beam is reflected back to said housing by means of a hand held object which is moved by the player at said one player station to intercept said beam.

Claim 9

Dependent Claim 17 words

The game apparatus of claim 6, wherein said hand held object has a radiant energy diffusing surface.

Claim 10

Dependent Claim 14 words

The game apparatus of claim 6, wherein said hand held object is paddle shaped.

Claim 11

Dependent Claim 50 words

The game apparatus of claim 8, wherein said paddle shaped hand held object has a surface which scatters radiant energy when said beam is intercepted so that a portion of said scattered energy is returned to said housing irrespective of the exact angle at which said object intercepts said beam.

Claim 12

Dependent Claim 57 words

The game apparatus of claim 5, which includes means for generating an audible signal while a beam of radiant energy is directed to said one player station, and means responsive to the timing of the interception of said beam relative to said audible signal for varying the direction of said beam directed to the opposite player station.

Claim 13

Dependent Claim 91 words

The game apparatus of claim 5, which includes means for generating an audible signal of predetermined duration while a beam of radiant energy is directed to said one player station, means response to interception of said beam during one portion of said audible signal for directing a beam of radiant energy to the opposite player station in a first direction, and means responsive to interception of said beam during another portion of said audible signal for directing a beam of radiant energy to the opposite player's station in a second direction.

Claim 14

Dependent Claim 69 words

The game apparatus of claim 11, wherein said first direction corresponds to the same side of a player positioned at said opposite player station as the side on which the beam was intercepted at said one player station and said second direction corresponds to the side of said player at said opposite player station opposite from the side on which the beam was intercepted at said one player station.

Claim 15

Dependent Claim 47 words

The game apparatus of claim 12, which includes means for generating a bounce tone signal before said beam is directed to said opposite player station to prepare the player at said opposite player station to intercept said beam when it is directed to said opposite player station.

Claim 16

Dependent Claim 52 words

The game apparatus of claim 13, wherein said bounce tone signal has a first frequency when said beam is to be directed to said same side of said opposite player station and has a second frequency when said beam is to be directed to said opposite side of said opposite player station.

Claim 17

Dependent Claim 41 words

The game apparatus of claim 13, wherein said bounce tone signal has different characteristics depending upon whether said beam is to be directed to said same side of said opposite player station or said opposite side of said opposite player station.

Claim 18

Dependent Claim 17 words

The game apparatus of claim 11, wherein said audible signal increases in frequency during the duration thereof.

Claim 19

Dependent Claim 20 words

The game apparatus of claim 11, wherein said audible signal increases in frequency by predetermined increments over the duration thereof.

Claim 20

Dependent Claim 19 words

The game apparatus of claim 11, wherein said audible signal is terminated when a predetermined top frequency is reached.

Claim 21

Dependent Claim 23 words

The game apparatus of claim 18, wherein said beam directed to said one player station is extinguished when said audible signal is terminated.

Claim 22

Dependent Claim 27 words

The game apparatus of claim 18, wherein said beam directed to said one player station is extinguished a predetermined time interval after said audible signal is terminated.

Claim 23

Dependent Claim 21 words

The game apparatus of claim 20, wherein the provision of said time interval is controlled by switch means on said housing.

Claim 24

Dependent Claim 47 words

The game apparatus of claim 5, which includes means for generating a bounce tone signal before said beam is directed to said opposite player station to prepare the player at said opposite player station to intercept said beam when it is directed to said opposite player station.

Claim 25

Dependent Claim 27 words

The game apparatus of claim 22, wherein said bounce tone signal is generated a predetermined time interval after said beam is intercepted at said one player station.

Claim 26

Dependent Claim 29 words

The game apparatus of claim 19, including delaying means for directing said beam to said opposite player station a predetermined time interval after generation of said bounce tone signal.

Claim 27

Dependent Claim 44 words

The game apparatus of claim 5, which includes means responsive to termination of one of said beams without being intercepted at one of said player stations for generating an audible signal indicating that the player at the other player station has scored a point.

Claim 28

Dependent Claim 65 words

The game apparatus of claim 5, which includes means for determining when a predetermined number of successive interceptions of the beams directed to said pair of player stations has occurred and means responsive to a predetermined number of successive interceptions of the beams directed to said pair of player stations for shortening the duration of beams thereafter successively directed to said pair of player stations.

Claim 29

Dependent Claim 39 words

The game apparatus of claim 2, which includes means for repeatedly shortening the duration of the beams successively directed to said player stations in response to each predetermined number of successive interceptions of said beams at said player stations.

Claim 30

Dependent Claim 49 words

The game apparatus of claim 5, including means for determining when a beam is first initiated and means for producing an audible signal which starts at a predetermined bottom frequency when a beam is first initiated and rises to a predetermined top frequency at which the beam is terminated.

Claim 31

Dependent Claim 54 words

The game apparatus of claim 28 which includes means for raising said bottom starting frequency of said audible signals a predetermined increment in response to a predetermined number of successive interceptions of said beams at said player stations, thereby to decrease the duration of succeeding audible signals and beams directed to said player stations.

Claim 32

Dependent Claim 31 words

The game apparatus of claim 29, which includes means for terminating further increase of said bottom starting frequency of said audible signal after a predetermined number of said incremental raises thereof.

Claim 33

Dependent Claim 62 words

The game apparatus of claim 5, which includes means for designating one of said player stations as the first player station of the game, and means for repetitively directing said beam to said one player station at spaced intervals until said radiant energy responsive means receives energy reflected back to said housing by interception of said beam at said one player station.

Claim 34

Dependent Claim 62 words

The game apparatus of claim 31, which includes means for developing an audible signal of predetermined duration during each interval that said beam is directed to said one player station, and means responsive to the timing of the interception of said beam relative to said audible signal for varying the direction in which a beam is directed to the opposite player station.

Claim 35

Dependent Claim 37 words

The game apparatus of claim 31, wherein said beam is intercepted by interposing a hand held object in said beam which reflects radiant energy from said beam back to said radiant energy responsive means in said housing.

Claim 36

Dependent Claim 21 words

The game apparatus of claim 33, wherein said hand held object is paddle shaped and has a radiant energy diffusing surface.

Claim 37

Dependent Claim 89 words

The game apparatus of claim 31, including means for increasing the frequency of said audible signal during said predetermined duration, means responsive to interception of said beam during a low frequency portion of said audible signal for directing a beam to the opposite player station on the side opposite from the beam interception side, and means responsive to interception of said beam during a high frequency portion of said audible signal for directing a beam to the opposite player station on the same side as the beam interception side.

Claim 38

Dependent Claim 126 words

A player response game apparatus, comprising a housing, means within said housing for selectively generating a plurality of beams of radiant energy which extend from said housing in different directions, a first pair of said beams extending on either side of a first player station located on one side of said housing and a second pair of said beams extending on either side of a second player station located on the opposite side of said housing, player operated reflector means for intercepting one of said beams of radiant energy, means in said housing for detecting radiant energy reflected back to said housing when one of said beams is intercepted by said player, and means controlled by said detecting means for controlling said light beam generating means.

Claim 39

Dependent Claim 126 words

A player response game apparatus, comprising a housing, means within said housing for selectively generating a plurality of beams of radiant energy which extend from said housing in different directions, a first pair of said beams extending on either side of a first player station located on one side of said housing and a second pair of said beams extending on either side of a second player station located on the opposite side of said housing, player operated reflector means for intercepting one of said beams of radiant energy, means in said housing for detecting radiant energy reflected back to said housing when one of said beams is intercepted by said player, and means controlled by said detecting means for controlling said light beam generating means.

Claim 40

Dependent Claim 77 words

A player response game apparatus, comprising central means positioned between two player stations for selectively generating light beams which are aimed in different directions relative to said player stations, player operated reflective means for intercepting said beams of light, means for detecting light reflected from a player operated reflective means, and means response to the output of said detector means for controlling said beam generating means to generate a light beam aimed at the opposite player station.

Claim 41

Dependent Claim 77 words

A player response game apparatus, comprising central means positioned between two player stations for selectively generating light beams which are aimed in different directions relative to said player stations, player operated reflective means for intercepting said beams of light, means for detecting light reflected from a player operated reflective means, and means response to the output of said detector means for controlling said beam generating means to generate a light beam aimed at the opposite player station.

Claim 42

Dependent Claim 48 words

The game apparatus of claim 37, which includes latch means responsive to the output of said detecting means for developing a control signal in response to detection of reflected light by said detecting means, and means for controlling said beam generating means in accordance with said control signal.

Claim 43

Dependent Claim 60 words

The game apparatus of claim 37, wherein said beam generating means is capable of directing a light beam in two different directions relative to said one player station, and said detecting means is responsive to light reflected from a player operated reflective means which intercepts a light beam in either of said two different directions at said one player station.

Claim 44

Dependent Claim 22 words

The game apparatus of claim 39, wherein the axes of light beams directed in said two different directions are approximately 90° apart.

Claim 45

Dependent Claim 63 words

The game apparatus of claim 37, which includes means for detecting light reflected from a hand held object which intercepts said light beam aimed at said opposite player station, and latch means connected to the output of both of said detecting means for developing a control signal in response to interception of a light beam at either of said pair of player stations.

Claim 46

Dependent Claim 48 words

The game apparatus of claim 37, which includes pulse stretching means connected to the output of said detecting means for developing a control pulse of relatively long duration in response to said reflected light, and means controlled by said control pulse for controlling said light beam generating means.

Claim 47

Dependent Claim 35 words

The combination of claim 42, which includes latch means controlled by said control pulse for developing an output control signal, and means controlled by said output control signal for controlling said light beam generating means.

Claim 48

Dependent Claim 145 words

An electronic table tennis game, comprising a housing positioned between opposing player stations, means within said housing for directing a light beam to either the forehand or backhand side of a player at either of said player stations, a mode select switch operative to select a serving or a volley mode, means operated during a serving mode for controlling said beam directing means so that a beam of relatively short duration is repetitively directed to one side of a player at a first one of said stations, player operated reflector means for intercepting one of said beams of radiant energy, and means operative during a volley mode and responsive to interception of one of said short duration beams by a player at said one station for controlling said beam directing means to direct a light beam of relatively short duration to the opposite player station.

Claim 49

Dependent Claim 145 words

An electronic table tennis game, comprising a housing positioned between opposing player stations, means within said housing for directing a light beam to either the forehand or backhand side of a player at either of said player stations, a mode select switch operative to select a serving or a volley mode, means operated during a serving mode for controlling said beam directing means so that a beam of relatively short duration is repetitively directed to one side of a player at a first one of said stations, player operated reflector means for intercepting one of said beams of radiant energy, and means operative during a volley mode and responsive to interception of one of said short duration beams by a player at said one station for controlling said beam directing means to direct a light beam of relatively short duration to the opposite player station.

Claim 50

Dependent Claim 62 words

The electronic table tennis game of claim 44, which includes means operated during said volley mode for successively directing a light beam of relatively short duration to the opposite player station in response to interception of a beam by a player at one of said stations until one of said beams is not intercepted by a player at one of said stations.

Claim 51

Dependent Claim 29 words

The electronic table tennis game of claim 45, which includes means for scoring a point for the player opposite the player station at which the beam was not intercepted.

Claim 52

Dependent Claim 38 words

The electronic table tennis game of claim 46, wherein said point scoring means comprises means for directing a light beam to said opposite player and thereafter developing an audible signal indicating the point score of said opposite player.

Claim 53

Dependent Claim 27 words

The electronic table tennis game of claim 47, wherein said audible signal comprising a series of tone signals that indicate the point score of said opposite player.

Claim 54

Dependent Claim 42 words

The electronic table tennis game of claim 45, which includes means for repeating said serve and volley modes, and means operative after each set of serve and volley modes for developing scoring signals indicating the point score of each of said players.

Claim 55

Dependent Claim 49 words

The electronic table tennis game of claim 49, wherein said scoring signal developing means comprise means for directing a light beam to each of said players followed by a series of tone signals that indicate the number of points scored by the players to which said beam is directed.

Claim 56

Dependent Claim 42 words

The electronic table tennis game of claim 50, wherein said audible signal comprises one or more tone components of relatively high frequency each signifying a group of scoring points and one or more low frequency tone components each signifying one scoring point.

Claim 57

Dependent Claim 36 words

The electronic table tennis game of claim 49, which includes means responsive to the scoring of a predetermined number of points by one of said players for developing a signal indicating the end of the game.

Claim 58

Dependent Claim 33 words

The electronic table tennis game of claim 52, wherein said end of game signal developing means comprises means for alternately directing light beams to the forehand and backhand side of the winning player.

Claim 59

Dependent Claim 27 words

The electronic table tennis game of claim 53, wherein said end of game signal developing means also comprises means for developing an audible signal of increasing frequency.

Claim 60

Dependent Claim 49 words

The electronic table tennis game of claim 44, wherein said beam generating means includes means in said housing for detecting light reflected back to said housing from an object held by a player at said one station when said object is moved by said player to intercept said beam.

Claim 61

Dependent Claim 20 words

The electronic table tennis game of claim 55, wherein said object is paddle shaped and has a light reflective surface.

Claim 62

Dependent Claim 45 words

The electronic table tennis game of claim 56, wherein said light reflective surface comprises light diffusing means operative to reflect back to said housing a portion of the intercepted light beam irrespective of the exact angle at which said paddle shaped object intercepts said beam.

Claim 63

Dependent Claim 93 words

An electronic table tennis game, comprising a housing positioned between opposing player stations, means within said housing for directing a light beam to either the forehand or backhand side of a player at either of said player stations, player operated reflector means for intercepting one of said beams of radiant energy, and means for successively controlling said beam directing means to direct a light beam to opposite player station in response to the interception of a beam directed to either the forehand or backhand side of a player at one of said stations.

Claim 64

Dependent Claim 93 words

An electronic table tennis game, comprising a housing positioned between opposing player stations, means within said housing for directing a light beam to either the forehand or backhand side of a player at either of said player stations, player operated reflector means for intercepting one of said beams of radiant energy, and means for successively controlling said beam directing means to direct a light beam to opposite player station in response to the interception of a beam directed to either the forehand or backhand side of a player at one of said stations.

Claim 65

Dependent Claim 48 words

The electronic table tennis game of claim 58, including means for controlling said beam directing means to cease directing light beams to either of said player stations if a light beam directed to one of said player stations is not intercepted by a player at said one station.

Claim 66

Dependent Claim 106 words

The electronic table tennis game of claim 58, which includes means for generating an audible signal of predetermined duration while a light beam is directed to one of said player stations, means responsive to interception of the beam during one portion of said audible signal for controlling said light beam directing means to direct a light beam to the same side of a player at the opposite station, and means responsive to interception of the beam during another portion of said audible signal for controlling said light beam directing means to direct a light beam to the opposite side of a player at the opposite station.

Claim 67

Dependent Claim 35 words

The electronic table tennis game of claim 58, which includes means for generating a bounce tone signal after a beam is intercepted at one station and before a beam is directed to the opposite station.

Claim 68

Dependent Claim 117 words

The electronic table tennis game of claim 61, including means for producing distinguishable bounce tone signals wherein said bounce tone signal has a first predetermined characteristic when the beam is to be directed to the side of the player at said opposite station which corresponds to the side at which the beam was intercepted at said one station and a second predetermined characteristic when the beam is to be directed to the side of the player at said opposite station which is opposite to the side at which the beam was intercepted at said one station, thereby to prepare the player at said opposite station to intercept the beam directed to either his forehand or backhand side.

Claim 69

Dependent Claim 36 words

The electronic table tennis game of claim 62, wherein said producing means includes means for creating a bounce tone signal of relatively low frequency and means for creating another bounce tone signal of relatively high frequency.

Claim 70

Dependent Claim 36 words

The electronic table tennis game of claim 61, wherein including delay means for delaying the generation of said bounce tone signal for a predetermined time interval after said beam is intercepted at said one player station.

Claim 71

Dependent Claim 29 words

The electronic table tennis game of claim 61, wherein said beam is directed to said opposite player station a predetermined time interval after generation of said bounce tone signal.

Claim 72

Dependent Claim 112 words

The electronic table tennis game of claim 58, including means for detecting the interception of the beam at the station during a first portion of the beam, means responsive to the detection of interruption of the beam at a station during a first portion of the beam for controlling said light beam directing means to direct a light beam to the same side of the player at the opposite station, and means responsive to interception of the beam at said one station during a second portion of the beam for controlling said light beam directing means to direct a light beam to the opposite side of the player at said opposite station.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1985-12-13	1986-06-14	1986-12-14	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1989-12-13	1990-06-14	1990-12-14	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1993-12-13	1994-06-14	1994-12-14	$7700.00	Window Closed / Lapsed

Electronic table tennis game apparatus

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