EP0151956A2 - Dispositif monté sur des pistes de quilles pour l'indication des résultats du jeu - Google Patents

Dispositif monté sur des pistes de quilles pour l'indication des résultats du jeu Download PDF

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Publication number
EP0151956A2
EP0151956A2 EP85100492A EP85100492A EP0151956A2 EP 0151956 A2 EP0151956 A2 EP 0151956A2 EP 85100492 A EP85100492 A EP 85100492A EP 85100492 A EP85100492 A EP 85100492A EP 0151956 A2 EP0151956 A2 EP 0151956A2
Authority
EP
European Patent Office
Prior art keywords
receiver
transmitter
cones
cone
bowling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP85100492A
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German (de)
English (en)
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EP0151956B1 (fr
EP0151956A3 (en
Inventor
Vittorio Meniconi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Publication date
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Priority to AT85100492T priority Critical patent/ATE37295T1/de
Publication of EP0151956A2 publication Critical patent/EP0151956A2/fr
Publication of EP0151956A3 publication Critical patent/EP0151956A3/de
Application granted granted Critical
Publication of EP0151956B1 publication Critical patent/EP0151956B1/fr
Expired legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63D—BOWLING GAMES, e.g. SKITTLES, BOCCE OR BOWLS; INSTALLATIONS THEREFOR; BAGATELLE OR SIMILAR GAMES; BILLIARDS
    • A63D5/00—Accessories for bowling-alleys or table alleys
    • A63D5/04—Indicating devices

Definitions

  • the present invention relates to a device on bowling or bowling alleys for determining game results according to the preamble of claim 1.
  • Modern bowling and bowling alley facilities have more or less automatic bowling devices that automatically perform the work that was previously carried out manually by the bowling boys.
  • the task of these bowling machines is essentially to set up ten pins in a predetermined arrangement at a predetermined position at the end of the lane in the case of a bowling game and nine pins in the case of a bowling game. This enables the player to throw his balls in order to bring down as many or selected individual cones as possible, depending on the rules of the game. After the ball has been thrown, the bowling machine must clear the fallen cones from the surface of the fairway, which generally enables this is that the still standing cones are lifted off the track, the fallen cones are put away and finally the lifted cones are returned to their original position.
  • the game results are generally evaluated visually in known systems, i.e. the player in question counts the cones still standing, subtracts their number from ten and writes down the result.
  • the case results of a game are added up according to certain rules, which need not be discussed further here.
  • US Pat. No. 3,825,749 shows a photoelectrically operating device for recognizing cones that are still on the fairway. It has a pivotably arranged light transmitter which emits a scanning beam in the direction of the cone, and a light receiver which is coupled to the transmitter in a rotationally fixed manner.
  • the Abtsat beam emanating from the transmitter is supposed to strike the head of a cone that is still standing, is reflected by it and is picked up again by the receiver. By counting the number of times a reflected one arrives.
  • Beam's Deim receiver is concluded on the number of cones still standing after a Kugelwuri.
  • the disadvantage of this reflection principle is that a usable reflection signal can no longer be obtained if the ambient light is high or if the cone surface is dirty or damaged. Also, two cones standing one behind the other or overlapping one another in the beam direction can no longer be recognized as two such cones.
  • CH-PS 306 671 proposes a plurality of light barriers in the area of the standing area occupied by the cones (in the standard list), the light beam emitted by a transmitter being interrupted by the respective cone in its intended place and thus cannot reach a receiver located on the opposite side of the track, in order to signal the presence of a standing cone.
  • the disadvantages of such an arrangement can be seen in the fact that a large number of transmitters and receivers assigned to them must be present, and moreover are to be aligned extremely precisely with one another, and in particular that with this arrangement a cone which has not fallen after a ball throw but is only displaced cannot be recognized as such, which must lead to misinterpretation of the game result.
  • the device shown in DE-OS 16 03 014 also works on the principle of a light beam reflected by a standing cone and then received with essentially the same disadvantages discussed above.
  • a plurality of light receivers, each focused on a cone registers the reflection on the still standing cone; the number of cones still standing is inferred from the number of reflection signals received.
  • FIGS. 1 and 1a An end section of a Bowlin f -track is shown in FIGS. 1 and 1a.
  • This essentially comprises an elongated one.
  • Fairway 1 hereinafter referred to as "fairway”, at the end of which two ten cones are set up in precisely defined locations.
  • the web 1 is laterally delimited by missile channels 3.
  • ball return 4 on the edge of the web 1, preferably together for two webs.
  • Adjacent tracks 1 are delimited from one another by dividing strips 5.
  • In the area of the location 2 of the cone there are lateral baffle walls 6 and 7.
  • a ball catch 8 At the end of the track 1 there is a ball catch 8 which picks up the ball after it has been thrown.
  • lane 1 The dimensions of lane 1, the geometric arrangement of the cones at the end of the lane, the design and dimensions of the cones themselves, etc. are regulated internationally; there is no need to go into this in the context of the present invention.
  • the device according to the invention comprises at least one transmitter, which is arranged at a distance a from the cones on the edge of the track 1.
  • a larger number of transmitters is provided, e.g. three transmitters 9a, 9b and 9c for a pair of lanes 1;
  • each of the transmitters 9a to 9c can perform a double function, i.e. a function for two adjacent lanes 1.
  • each transmitter 9 emits an electromagnetic scanning beam in the direction of the cone, which can be bundled in various ways, which will be explained in more detail below.
  • a light beam for example in the red or infrared range
  • a laser diode element operating in the infrared range can be used as a particularly expedient light source.
  • the color of the emitted light i.e. its wavelength is in itself irrelevant. However, it is preferable to choose a light wavelength that contrasts clearly with the ambient light, but is nevertheless visible to the naked eye in order to simplify the installation and adjustment of the transmitter. In any case, it is important that the scanning beam is strongly bundled in at least one dimension, so that its effective width in the entire operating area is significantly smaller than the diameter of a cone head (diameter approx. 64 mm).
  • the location of the transmitters 9 is preferably selected such that a bundled scanning beam emanating from the transmitter, for example during a pivoting movement in the normal case, ie when all the cones are open the specified location 2, the cone heads with clear, mutual separation.
  • a bundled scanning beam emanating from the transmitter for example during a pivoting movement in the normal case, ie when all the cones are open the specified location 2, the cone heads with clear, mutual separation.
  • a light-sensitive receiver 10 is attached behind location 2 of the cone. This is essentially strip-shaped and can extend directly behind the last row of the cones, transversely to the central axis X of the track 1, approximately at the level of the cone heads.
  • the length of the light-sensitive receiving element of the receiver 10 is dimensioned such that the scanning beam emanating from the transmitter 9 surely covers the projected width of the cone arrangement when it is pivoted along the cone 12.
  • the strip-shaped or band-shaped receiver 10 It has proven to be advantageous to mount the strip-shaped or band-shaped receiver 10 behind the cones so that it can be displaced in the vertical direction. Normally, the receiver 10 is thus in a raised position and is thereby protected against damage which could be caused by the impact of a ball or cones thrown away. After the throw has taken place, the receiver 10 is lowered into its operative position so that the evaluation of the throw result, which will be described below, can take place.
  • the device After the ball has been thrown, the latter actuates a triggering device 11 (for example a light barrier or the like) arranged at the end of the fairway 1, as a result of which a scanning or actuating cycle of the taper automatic setting machine is initiated.
  • the positioning device of the receiver 10 i.e. its lowering into the active position, triggered.
  • the cones still standing are scanned and thus the result of the throw is evaluated by means of the device proposed according to the invention.
  • At least one bundled light beam emitted by a transmitter 9 is deflected or pivoted by a suitable arrangement in such a way that the receiver 10 is swept by the light beam along its entire, photosensitive width.
  • the light beam emanating from the transmitter 9 is naturally interrupted.
  • the physical state changes of the light-sensitive element of the receiver 10 resulting from these interruptions are converted into an electrical signal sequence depending on the type of receiver used and are then evaluated.
  • FIG. 2 The basic arrangement of the device according to the invention within a bowling alley is again shown in FIG. 2 in a schematically illustrated view seen from above.
  • the position of the transmitter 9 and that of the receiver 10 and thus the length 1 is known as the distance between the transmitter 9 and the receiver 10.
  • the receiver 10 has an effective width b.
  • the cones are at their compliant state locations 2 at the end of lane 1.
  • the bundled light beam emanating from the transmitter 9 can be pivoted, at least to such an extent that the entire width b of the receiver 10 is covered.
  • the width of the silhouette can be assumed to be Dp.
  • the length of time of the beam interruption (Pu) caused by a standing cone can be calculated as follows:
  • FIG. 3a shows the silhouette of the ten cones 12 projected from the transmitter 9 (FIG. 2) onto the receiver 10 in the predetermined basic configuration.
  • the numbering of the cones corresponds to the regulation-compliant list.
  • the central axis of the path 1 is X and the path of the emitted by the transmitter 9 Scanned beam labeled Y.
  • FIG. 3b which is immediately below FIG. 3a, shows a diagram that conforms to the scale and illustrates the shape of the pulse series that can be taken off at the output of the receiver. It goes without saying that in the case of FIGS.
  • the number four represents the theoretical maximum of the displaced cones, the shadows of which, seen from the transmitter 9, can overlap on the receiver 10. In practice, however, a maximum number of three overlapping silhouettes can be expected from the dynamics of the ball impact against the cones and from the arrangement of the latter, always from the point of view of the transmitter 9. In extreme cases it can happen that under the influence of three still standing but shifted cones a silhouette length
  • a second transmitter 9 is arranged on the opposite side of the track 1, which uses the same receiver 10 from the one to scan and detect the cones still standing on the other side.
  • FIG. 4 shows a schematic diagram which illustrates the mechanical structure of the device according to the invention in a side view.
  • the device comprises a light source 13 provided in a transmitter 9, e.g. in the form of an infrared laser diode, the diameter Sd of the beam emitted by the light source 13 being substantially smaller than the diameter Kd of the head region of a cone 12, i.e.: Sd «Kd.
  • the beam emanating from the light source 13 is deflected by means of a mirror 14 in such a way that it strikes the receiver 10 arranged at the end of the web at a certain angle c ⁇ to the surface of the web 1.
  • the mirror 14 is rotatably or pivotably mounted by means of a drive 15.
  • the drive 15 is started and the mirror 14 is rotated or pivoted such that the scanning beam emanating from the source 13 and deflected by the mirror 14 detects the light receiver 10 in sweeps its entire effective width from left to right or vice versa.
  • Standing cones 12 in the swept path plane of the scanning beam cause an interruption of the beam, which results in a change in the output provided by the receiver 10 signal signals.
  • These output signals are processed by an evaluation circuit 16, evaluated according to rules that may have to be preselected and displayed on a scoreboard (not shown).
  • FIG. 4 the overall arrangement according to FIG. 4 is shown again; 5 in a schematic view from above and in FIG. 6 in a partial perspective view. It can be clearly seen from this that the only still cone 12, when the light beam is pivoted by the angle ⁇ on the surface of the receiver 10, sweeps over an area 17 in which no light reaches the receiver.
  • the evaluation circuit interprets this single beam interruption in the predetermined area 17 in such a way that all other cones have fallen over.
  • the light beam emanating from the transmitter 9 can also be pivoted through a full 360 degrees, i.e. the transmitter or the deflecting mirror 14 connected upstream of the light source 13 can be set into a rotational movement by the motor 15.
  • the control circuit 18 for the drive 15 with the evaluation circuit 16, it is ensured that the effect of the signals supplied by the receiver 10 only during the effective range from A to B, i.e. during the passage of the angle ß.
  • the transmitter designated 9 also includes the receiver 10 in addition to the actual transmitter elements.
  • the signal beam S emanating from a light source 13 reaches a mirror 14 which is inclined at an angle of 45 degrees with respect to the beam path and thus the signal beam S by 90 just redirected.
  • the mirror 14 is connected to a drive 15 which is capable of pivoting or rotating the mirror.
  • the drive 15 is connected to a controller (not shown in FIG. 7), which in turn is coupled to the evaluation circuit 16.
  • a further mirror 19 is provided at a certain distance from the mirror 14 and is provided with a central bore 20.
  • the beam S deflected by the mirror 14 passes through the bore 20 and is directed towards a reflector 23 arranged in the region of the end of the fairway 1 behind the cones 12.
  • the beam S is reflected by the reflector 23, the detailed design of which will be discussed later, as a reflected beam cone S 'and reaches the mirror 19.
  • the beam cone S deflected thereby 'strikes a converging lens 21 and from it onto a light-sensitive receiving element 22 of the receiver, for example thrown onto a photo transistor.
  • reflective foils or triple reflectors can be used as reflectors 23 for the signal beam S. Both types of reflectors are characterized in that they essentially reflect an incident light beam back into themselves. In contrast to mirrors, in which the angle of incidence of a beam is the same as the angle of reflection, it is unimportant for these reflectors within certain limits at what angle the reflector plane is inclined to the incident beam. With conventional reflective foils or triple reflectors, the permissible angle of incidence of the beam to be reflected can be up to 45 degrees without the energy of the reflected beam decreasing in an impermissible manner.
  • the beam SE emitted by the transmitter 9 is bundled in a fan-like manner such that it extends in an horizontal plane over an angle ⁇ to such an extent that the entire cone arrangement is detected at the end of the path 1.
  • very close bundling is provided in the vertical plane.
  • the light source can be preceded by a special optical arrangement known per se, which produces such a thin beam plane.
  • the arrangement of the transmitter 9 with respect to the web 1 is essentially the same as in the previously described embodiments.
  • the receiver comprises a light-sensitive receiving element 24, which is arranged in the region of the end of the web 1, behind the location 2 of the cone 12, in a horizontally displaceable manner.
  • a horizontally arranged support rod 25 is provided, on which a carrier 26 for the receiving element 24 is fastened.
  • the carrier 26 is connected to a cable 27, which in turn is connected to a motor 29 via a drive wheel 28.
  • the motor is expediently controlled by the evaluation circuit.
  • the light-sensitive element 24 can thus be moved along the width of the web 1.
  • Each standing cone 12 causes shading of the fan-like beam Sf, so that the element 24 is alternately struck by the beam Sf along its movement path or passes through a shaded area.
  • a pulse train thus arises at the output of the receiving element 24, which can be evaluated by the evaluation circuit to display the fallen cone 12.
  • An evaluation circuit can be used to evaluate the measurement results and thus to determine the number of cones 12 still standing in the fairway 1.
  • This circuit includes an engine control tion 30, which receives 32 commands from the limit switches A and B and the other from the control device 31 for the cone setting machine via a start logic.
  • the output of the motor control 30 is connected on the one hand to the drive 15 and on the other hand to an AND gate 33.
  • Another input of the AND gate 33 is connected to the light receiver 34, while a measuring oscillator 35 is connected to the remaining, third input of the AND gate 33.
  • the output of the latter leads to a counter 36, a differentiator 37 being provided to reset the latter, which is controlled before the light receiver 34 outputs.
  • decoders 38a to 38d connected in parallel, the inputs of which are connected on the one hand to the output of the counter 36 and on the other hand to the measuring oscillator 35.
  • the outputs of the decoder 38 are connected to the inputs of an OR gate 39, which controls a further counter 40.
  • the counter 40 is reset via a line 41 from the control circuit 31 for the cone setting machine.
  • the output of the counter 40 is connected to a decimal decoder 42 which drives a display, not shown, in a known manner.
  • the control device 31 for the automatic taper adjusting device or an independent arrangement (for example a light barrier as a ball detector) supplies the information required to activate the start logic 32.
  • the latter sets the motor control 30 in motion, so that the drive 15 starts to move.
  • the light beam S now runs through the path between points A and B (FIG. 6) in one or the other direction tung.
  • Switches A and B are position or limit switches or simple sector limiters.
  • an L signal is applied from the motor control 30 to the AND gate 33.
  • the light receiver 34 gives a logic C as a signal when the light beam is received, or a logic L when the light beam is interrupted by a cone.
  • Pu length of the beam interruption caused by a standing cone in seconds.
  • the pulses of the oscillator 35 appear at the output of the AND gate, the number Ai of which can be calculated using the following relationship:
  • the number of pulses Ai is counted by counter 36.
  • the downstream decoders 38a to 38d have the task of emitting an output pulse each time a certain preset counter reading is reached.
  • the number to be decoded within the individual decoders 38a to 38d is determined in connection with the frequency fo of the oscillator 35 and with the pulse width of the beam interruption caused by a standing cone.
  • Pu (sec.) Pulse width of the beam interruption caused by a cone.
  • the corresponding decoders 38a to 38d each emit a pulse, which in turn is detected by the counter 40 connected downstream.
  • the level of the counter 40 then indicates the number of cones still standing.
  • the result can be entered in the appropriate forms without any play, as is also the case with visual evaluation, or it can be processed further by a further evaluation circuit.
  • the latter does not form part of the subject matter of the present invention, so that it will not be discussed further at this point.
  • a carrier 43 for example in the form of an aluminum profile, has an elongated shape and accommodates a plurality of solar cells 44 arranged next to one another. These have the shape of a square or a parallelogram and are arranged in a row along the carrier 43 in such a way that a light-sensitive band of approximately 1300 mm in length and approximately 30 mm in width results.
  • the butt joints between individual cells 44 are generally smaller than C, 1 mm and therefore do not appear to be a nuisance, since the light spot diameter of the incoming signal beam is of the order of a few millimeters.
  • a protective pane 45 and a color filter film 46 in front of it are provided in front of the solar cells 44, which only allow the wavelength of the light beam to pass through and thus greatly reduce the effects of extraneous light.
  • Another or additional possibility of reducing the influence of extraneous light is to modulate the signal beam in a suitable manner.
  • the entire arrangement of film, protective pane and solar cells can be held in a layer of silicone adhesive 47 within the aluminum profile 43.
  • the carrier 43 described is arranged at a suitable location within this ball catch 48, ie behind the end of the track.
  • the carrier 43 is mounted displaceably in the direction of arrow P and can be brought from an active position M to a rest position R. After the ball has been thrown, the carrier 43 is brought into the active position M after a certain, rule-compliant waiting time and, after the measurement has taken place, is pulled back into the rest position R.
  • the solar cells 44 are either connected in parallel, as shown in FIG. 13a, or in series, as can be seen from FIG. 13b.
  • the parallel or series connection is followed by a Schmitt trigger 49, at the output of which a logic 0 appears when the beam hits the receiving element, but a logic L when the beam is interrupted.
  • a reflector in the frame of the light receiver.
  • transmitter 9 and receiver 10 are spatially assembled, with a reflector 23 serving to reflect the emitted beam S.
  • Band-shaped elements 53 which are designed either as reflective sheeting or as triple reflectors, are suitable as reflectors.
  • These reflective tapes 53 are commercially available and are characterized in that they send a received light beam back essentially in the direction of incidence.
  • the geometric arrangement of the reflector surface with respect to the light beam axis is not critical; the reflector can be tilted up to 45 degrees.
  • the band-shaped reflectors 53 are arranged in a support profile 51 made of rubber or plastic, which has protruding beads 50 protruding towards the front.
  • a support profile 51 made of rubber or plastic, which has protruding beads 50 protruding towards the front.
  • the length and the width of the reflector can correspond to the embodiment according to FIGS. 10 and 11.
  • FIGS. 17 and 18 The arrangement of the reflector at the end of the fairway 1 can be seen from FIGS. 17 and 18; these two versions differ only in the different arrangement of the ball collecting mat 52 behind the end of the web.
  • the attachment of the reflector 23 can e.g. by gluing onto the ball collecting mat 52, wherein an inclination of the reflector 23 shown in FIG. 18 with respect to the axis of the light beam S is insignificant for the reasons mentioned above.

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Pinball Game Machines (AREA)
EP85100492A 1984-02-11 1985-01-18 Dispositif monté sur des pistes de quilles pour l'indication des résultats du jeu Expired EP0151956B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85100492T ATE37295T1 (de) 1984-02-11 1985-01-18 Vorrichtung an bowling- bzw. kegelbahnen zur ermittlung von spielergebnissen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3404865 1984-02-11
DE3404865A DE3404865C1 (de) 1984-02-11 1984-02-11 Vorrichtung an Bowling-bzw.Kegelbahnen zur Ermittlung von Spielergebnissen

Publications (3)

Publication Number Publication Date
EP0151956A2 true EP0151956A2 (fr) 1985-08-21
EP0151956A3 EP0151956A3 (en) 1986-12-03
EP0151956B1 EP0151956B1 (fr) 1988-09-21

Family

ID=6227419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85100492A Expired EP0151956B1 (fr) 1984-02-11 1985-01-18 Dispositif monté sur des pistes de quilles pour l'indication des résultats du jeu

Country Status (6)

Country Link
US (1) US4629189A (fr)
EP (1) EP0151956B1 (fr)
JP (1) JPS60188188A (fr)
AT (1) ATE37295T1 (fr)
CA (1) CA1251482A (fr)
DE (2) DE3404865C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997049467A1 (fr) * 1996-06-26 1997-12-31 Bms Bowling Marketing Service Ag Installation de jeu de quilles sur piste munie d'un dispositif de surveillance et procede d'optimisation du deroulement des mouvements a effectuer apres le lancer d'une boule
WO2000050133A1 (fr) * 1999-02-22 2000-08-31 Grigory Abramovich Aronov Dispositif de jeu consistant a faire rouler ou a jeter des objets

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827412A (en) * 1986-01-29 1989-05-02 Computer Sports Systems, Inc. Pinfall detector using video camera
US20030060299A1 (en) * 1994-07-21 2003-03-27 Brent Perrier Glow-in-the-dark bowling game and method
NL1010030C2 (nl) * 1998-09-08 2000-03-09 Marinus Johannes Maas Inrichting voor het detecteren van de onderbreking van een straal van al dan niet zichtbaar licht.
US7030736B2 (en) * 2004-06-03 2006-04-18 Brunswick Bowling & Billiards Corporation Radio frequency identification (RFID) pin detection system
US20080182676A1 (en) * 2007-01-26 2008-07-31 Recknagel Troy A Safety and interlock system for use with an automatic bowling pinsetter
US7708647B2 (en) * 2007-06-18 2010-05-04 Connell Ronald B LED light and sound system for bowling pin deck

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH306671A (fr) * 1954-02-08 1955-04-30 Cellier Auguste Jeu de quilles comprenant un dispositif automatique de remise en jeu des quilles et retour de la boule.
GB1165588A (en) * 1967-05-31 1969-10-01 American Mach & Foundry Bowling Pin Sensor.
US3705722A (en) * 1970-06-09 1972-12-12 Digilux Corp Method and apparatus for automatic bowling scorekeeper
US3804408A (en) * 1972-01-31 1974-04-16 Anritsu Electric Co Ltd Remaining pin detecting apparatus of a bowling machine
US3825749A (en) * 1972-06-05 1974-07-23 Brunswick Corp Photoelectric pinfall detection system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613933A (en) * 1950-03-18 1952-10-14 Henry S Johns Photoelectric cell control for bowling alleys
JPS5310372B2 (fr) * 1973-06-19 1978-04-13
US4140314A (en) * 1977-07-01 1979-02-20 Amf Incorporated Bowling pin detection system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH306671A (fr) * 1954-02-08 1955-04-30 Cellier Auguste Jeu de quilles comprenant un dispositif automatique de remise en jeu des quilles et retour de la boule.
GB1165588A (en) * 1967-05-31 1969-10-01 American Mach & Foundry Bowling Pin Sensor.
US3705722A (en) * 1970-06-09 1972-12-12 Digilux Corp Method and apparatus for automatic bowling scorekeeper
US3804408A (en) * 1972-01-31 1974-04-16 Anritsu Electric Co Ltd Remaining pin detecting apparatus of a bowling machine
US3825749A (en) * 1972-06-05 1974-07-23 Brunswick Corp Photoelectric pinfall detection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997049467A1 (fr) * 1996-06-26 1997-12-31 Bms Bowling Marketing Service Ag Installation de jeu de quilles sur piste munie d'un dispositif de surveillance et procede d'optimisation du deroulement des mouvements a effectuer apres le lancer d'une boule
WO2000050133A1 (fr) * 1999-02-22 2000-08-31 Grigory Abramovich Aronov Dispositif de jeu consistant a faire rouler ou a jeter des objets

Also Published As

Publication number Publication date
JPS60188188A (ja) 1985-09-25
US4629189A (en) 1986-12-16
DE3404865C1 (de) 1985-08-14
EP0151956B1 (fr) 1988-09-21
CA1251482A (fr) 1989-03-21
ATE37295T1 (de) 1988-10-15
DE3565052D1 (en) 1988-10-27
EP0151956A3 (en) 1986-12-03

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