EP0871941A1 - Random number dispenser - Google Patents
Random number dispenserInfo
- Publication number
- EP0871941A1 EP0871941A1 EP96944589A EP96944589A EP0871941A1 EP 0871941 A1 EP0871941 A1 EP 0871941A1 EP 96944589 A EP96944589 A EP 96944589A EP 96944589 A EP96944589 A EP 96944589A EP 0871941 A1 EP0871941 A1 EP 0871941A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- random number
- number generator
- housing
- generator according
- space
- 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
Links
- 229920003023 plastic Polymers 0.000 claims description 19
- 239000004033 plastic Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 229920000515 polycarbonate Polymers 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 238000007786 electrostatic charging Methods 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F7/00—Indoor games using small moving playing bodies, e.g. balls, discs or blocks
- A63F7/04—Indoor games using small moving playing bodies, e.g. balls, discs or blocks using balls to be shaken or rolled in small boxes, e.g. comprising labyrinths
- A63F7/048—Indoor games using small moving playing bodies, e.g. balls, discs or blocks using balls to be shaken or rolled in small boxes, e.g. comprising labyrinths used for generating random numbers
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C15/00—Generating random numbers; Lottery apparatus
- G07C15/001—Generating random numbers; Lottery apparatus with balls or the like
- G07C15/003—Generating random numbers; Lottery apparatus with balls or the like hand-held
Definitions
- the invention relates to a random number generator for selecting a limited number of numbers from a predetermined number of numbers.
- Random number generator for selecting a limited number of numbers from a predetermined number with a housing with a space for accommodating number bodies and an adjoining display area connected to the space.
- Random number generators of this type are used to play in number games, e.g. Lotto or Toto to support the selection of the numbers to be ticked.
- Such a mechanical random number generator is described in EP 90 106 936.9.
- the known random number generator consists of a housing with a space for accommodating numerical bodies and an adjoining display area which is connected to the space, the space being designed with rounded edge areas and the display area being in the form of an elongated rectangle with its long side to one side of the room.
- the numerical body used which are each provided with a number or sequence of digits, are each circular discs or plates, which are mixed in the room or in the mixing room or in the drum of the random number generator by a corresponding mixing movement of the encoder.
- the numerical bodies have a roughness depth of approximately 0.002 to 0.009 mm.
- the numerical bodies have a (mean) roughness depth between about 0.002 and 0.009 mm on their surface. It has thus been found that the roughness depth has a significant influence on the bridging or on the avoidance of bridging numbers in the mixing room. If the roughness is too great, i.e. greater than about 0.009 mm, this can lead to restricted mobility of one or the other number body in the mixing room or in the housing of the random number generator, which favors the formation of bridges. There is also an increased rate of bridge formation if the roughness depth is below about 0.002 mm. In this area, the mobility of the number body in the housing of the random number generator seems to be so high that e.g.
- the number bodies preferably consist of an antistatic material which largely prevents electrostatic charging of the number bodies or the housing, which is particularly important when the housing and number body are made of plastic. If the numerical body were made of statically chargeable material, whereby the electrostatic charge could arise, for example, due to the friction of the numerical body against each other or the numerical body on the housing wall of the random number generator, this could lead to mutual hindrance Lead number plates due to electrostatic charge, which would favor the formation of bridges. This bridging can be prevented by using antistatic material or material with only low electrostatic chargeability. However, the above-mentioned range for the roughness of the surface of the number fields probably also plays a role in order to reduce the effects of the electrostatic charging of the number fields.
- the housing of the random number generator is preferably made of a flexible and elastic plastic, which allows bending to a certain extent without permanent deformation or damage, as is e.g. is also the case with a normal credit card or chip card.
- a flexible and elastic plastic By using an elastic plastic the
- the random number generator housing can consist of several parts that are ultrasonically welded together to form the housing.
- the use of ultrasonic welding to connect the individual housing parts results in a stable and durable housing, in particular when housing parts made of elastic plastic material are used.
- the individual housing parts can consist of transparent plastic (e.g. polycarbonate PC), which e.g. can be printed using offset printing.
- the average roughness depth of the housing parts is in a range between approximately 0.002 mm and 0.009 mm.
- the roughness depth is preferably about 0.003 mm in order to achieve optimum printability of the outer housing surfaces, in particular of the cover part.
- the special roughness of the platelet surface and the surfaces of the housing parts can e.g. can be achieved by lapping or grinding the surfaces or similar surface treatments.
- the housing of the random number generator can have spacers or supports which ensure that the clear width of the mixing space or the drum is maintained. This is particularly important when the user holds a credit card-sized random number generator in his hand, exerting pressure on the housing which, without a spacer, could result in the walls of the housing being compressed and the numbering bodies in between being pinched or prevented from moving become.
- the random number generator consists of a base part and a cover part, which are produced as injection molded parts from clear plastic and are connected by means of ultrasonic welding in order to form a closed housing of the random number generator.
- the random number generator according to the invention or its housing can have a credit card format for reasons of easy handling and space-saving accommodation, namely approximately 85 mm x 54 mm x 1.6 mm.
- PC Polycarbonate
- SAN styrene-acrylonitrile copolymer
- PP polypropylene
- PMMA polyacrylate
- Figure 1 shows a bottom part of the housing of the random number generator according to the invention according to a first embodiment in plan view with an example drawn numerical body, which has a circular disc shape;
- Figure 2 shows a section through the bottom part of Figure 1 along the line II-II in Figure 1, and
- FIG. 3 shows a cover part of the housing, which together with the bottom part according to FIG. 1 forms the housing of the random number generator according to the embodiment.
- the random number generator consists of a lower part 12, a frame 11 (middle part), which together form a base part, and an upper part 2 (cover part).
- the frame 11 has an essentially rectangular outline with rounded corners and consists essentially of an outer, closed peripheral frame shoulder 11.1 and an inner, closed peripheral frame shoulder 11.2, which forms and delimits the inner outline of the room 3 or mixing room.
- a frame recess 11.3 extends between the outer frame shoulder 11.1 and the inner frame shoulder 11.2.
- a display area 5 which is connected to the room 3 and has six bulges 5.1, 5.2, 5.3, 5.4, 5.5 and 5.6.
- the transition from the room 3 to the display area 5 is given by two tapered flanks of the inner contour or the inside of the inner frame shoulder 11.2.
- the lower part 12 is designed as a substantially rectangular disc on which the frame 11 is arranged with its underside.
- the upper part 2 also essentially consists of a right-angled disc which has a circumferential upper part shoulder or spring 2.1.
- the upper part shoulder 2.1 of the upper part 2 engages in the frame recess 11.3 according to the tongue and groove principle.
- spacers 6 spaced apart from one another into the space 3 of the random number generator.
- these spacers 6 ensure the clear width (for example 0.6 mm) of the space 3 between the lower part 12 and the upper part 2.
- a circular number body 4 in space 3 is shown by way of example in FIG.
- a total of 49 numbers 4 are accommodated in the housing 1, 2 of the assembled random number generator, each of which is provided with a number from 1 to 49.
- the numerical body 4 consist of plastic and are punched out of a plastic plate by means of a punching tool or cut to length from a rod.
- the surface of the number body 4 has a roughness depth in the range between approximately 0.004 mm and 0.007 mm, which is achieved, for example, by lapping the surfaces of the number body. This prevents bridging of the numerous numerical bodies in the housing 1.2.
- the material of the numerical body is essentially antistatic.
- the numerical bodies each have a diameter of approximately 4 mm and a thickness between preferably approximately 0.4 mm and 0.6 mm. Finally, a number is printed on each of the number fields.
- the random number generator according to FIGS. 1 to 3 is produced as follows:
- the lower part 12 and the frame 11 are produced together as a one-piece injection-molded part 1 (base part) by means of injection molding from transparent plastic.
- the upper part 2 or cover part is injection molded from the same clear plastic (e.g. styrene-acrylonitrile copolymer (SAN)).
- SAN styrene-acrylonitrile copolymer
- the finished number 4 made of plastic (e.g. acrylonitrile-butadiene-styrene polymer (ABS) with very low electrostatic chargeability) and printed with corresponding numbers are then inserted.
- ABS acrylonitrile-butadiene-styrene polymer
- the upper part 2 is then placed on the top of the frame 11, the upper part shoulder 2.1 of which engages in the frame recess 11.3 of the injection molded part 1 in order to align the parts with one another.
- the parts 1 and 2 assembled in this way are then ultrasonically welded to one another in the frame area in order to form the closed housing 1, 2 of the random number generator.
- the outer surface of the cover part by means of e.g. Lapping processed to achieve an average roughness depth of about 0.003 mm or 3.0 ⁇ m.
- the housing of the random number generator is composed of three individual parts, namely a lower part, composed of a middle part and an upper part.
- the lower part and the upper part consist only of rectangular panes, for example of transparent plastic.
- the middle part consists of a continuous frame, which is similar to the frame 11 of FIG. 1 except for the missing recess and has an underside and an upper side.
- the lower part 12 which is identical to the disk-shaped upper part, is first punched out of a plate made of transparent plastic.
- the lower part When assembling the housing of the second embodiment, the lower part is first placed on the underside of the central part and welded to the frame using an ultrasonic welding device. After spacers on the lower part e.g. were attached by gluing, the numerical body 4 are then inserted into the resulting partial housing. The upper part is then placed congruently on the top of the frame and welded to the frame in the edge area or frame area in order to produce a closed housing 1, 2 for the random number generator.
- the housing 1, 2 of the above embodiments has a credit card format, namely approximately 85 mm ⁇ 54 mm ⁇ 1.6 mm to approximately 2.6 mm. Outside the display area 5, the housing can be printed using offset printing. Through the use of the clear plastic, the numbers of the six numbers 4 located in the bulges 5.1, 5.2 to 5.6 after a drawing process are easy to read.
- the display area 5 can be designed as a continuous rectangular area without bulges.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Packages (AREA)
- Carpets (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19548034A DE19548034C2 (en) | 1995-12-21 | 1995-12-21 | Random number provider |
DE19548034 | 1995-12-21 | ||
PCT/EP1996/005687 WO1997023847A1 (en) | 1995-12-21 | 1996-12-18 | Random number dispenser |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0871941A1 true EP0871941A1 (en) | 1998-10-21 |
EP0871941B1 EP0871941B1 (en) | 2000-09-20 |
Family
ID=7780949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96944589A Expired - Lifetime EP0871941B1 (en) | 1995-12-21 | 1996-12-18 | Random number dispenser |
Country Status (6)
Country | Link |
---|---|
US (1) | US6113099A (en) |
EP (1) | EP0871941B1 (en) |
JP (1) | JP2000516735A (en) |
DE (2) | DE19548034C2 (en) |
ES (1) | ES2152580T3 (en) |
WO (1) | WO1997023847A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20108688U1 (en) * | 2001-05-23 | 2001-08-16 | Mößmer, Raimund, 82065 Baierbrunn | Random number provider |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB509562A (en) * | 1938-10-20 | 1939-07-18 | William Arthur Charles Collins | Improved device for fortuitously obtaining a score or scoring forecast or the like |
DE2255926A1 (en) * | 1972-11-15 | 1974-05-16 | Siegfried Gummel | DEVICE FOR DETERMINING LOTS OF LOTS |
DE8606745U1 (en) * | 1986-03-12 | 1987-07-16 | Wirth, Max, 7022 Leinfelden-Echterdingen | Pocket device for determining lottery numbers |
DE3614822A1 (en) * | 1986-05-02 | 1987-11-05 | Hanns W Luecke | Appliance for the possible determination of number or symbol combinations in corresponding games |
ATE78944T1 (en) * | 1989-04-11 | 1992-08-15 | Traunbauer Gottfried | RANDOM. |
JP3071000B2 (en) * | 1991-09-17 | 2000-07-31 | 日本ジーイープラスチックス株式会社 | Polycarbonate resin composition |
US5454567A (en) * | 1995-02-27 | 1995-10-03 | Adell; Robert | Combined card and key carrying case and lottery number picker |
-
1995
- 1995-12-21 DE DE19548034A patent/DE19548034C2/en not_active Expired - Fee Related
-
1996
- 1996-12-18 JP JP09523294A patent/JP2000516735A/en active Pending
- 1996-12-18 ES ES96944589T patent/ES2152580T3/en not_active Expired - Lifetime
- 1996-12-18 EP EP96944589A patent/EP0871941B1/en not_active Expired - Lifetime
- 1996-12-18 US US09/091,577 patent/US6113099A/en not_active Expired - Fee Related
- 1996-12-18 WO PCT/EP1996/005687 patent/WO1997023847A1/en active IP Right Grant
- 1996-12-18 DE DE59605931T patent/DE59605931D1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9723847A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2152580T3 (en) | 2001-02-01 |
DE19548034C2 (en) | 1998-12-24 |
JP2000516735A (en) | 2000-12-12 |
EP0871941B1 (en) | 2000-09-20 |
DE19548034A1 (en) | 1997-06-26 |
US6113099A (en) | 2000-09-05 |
DE59605931D1 (en) | 2000-10-26 |
WO1997023847A1 (en) | 1997-07-03 |
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