US4148485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving games method for automatically controlled cars
Assignee: Midway Games West Inc
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Filing: 1977-09-19
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Granted: 1979-04-10
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Expires: 1997-09-19
Abstract
Abstract In a race car type video game one or more manually controlled player cars race against automatic computer controlled "drone" cars whose courses are controlled by direction vectors associated with cells into which the entire track is divided. The relationship of the cars direction and angular orientation or rotation with respect to the vector is controlled in a manner to provide cumulative minor response variations so that the drone car path may change for each circuit of the track. In an alternate game the drone cars by themselves may be controlled in speed only by competing players (with the computer by the use of the direction vectors controlling steering) to simulate a mechanical slotted track racing game where the car can be skidded from one "slot" to another.
Inventors
- 👤 Lyle V. Rains
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:03
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/04; G09B9/05; A; A63; A63F; A63F13/00; A63F13/55; A63F13/56; A63F13/80; A63F13/803; A63F2300/00; A63F2300/60; A63F2300/64; A63F2300/80; A63F2300/8017
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
141 words
A driving game method where a player controlled car is driven on a track with at least one other automatically controlled drone car comprising the following steps: dividing a display field into a plurality of cells for presenting a variety of game indicia including a track and game cars, dividing said track into cells and assigning each cell a direction vector, such vector being assigned different directions in accordance with the change of direction of said track; initiating movement of said cars along said track; intermittently sensing the direction vector of said automatically controlled car which represents its current direction of motion on said track, sensing such cars' cell position on the track, and comparing the car vector to the assigned vector of said cell position; and incrementing said direction vector of said automatically controlled car toward said assigned vector direction.
Claim 2
Dependent Claim
141 words
A driving game method where a player controlled car is driven on a track with at least one other automatically controlled drone car comprising the following steps: dividing a display field into a plurality of cells for presenting a variety of game indicia including a track and game cars, dividing said track into cells and assigning each cell a direction vector, such vector being assigned different directions in accordance with the change of direction of said track; initiating movement of said cars along said track; intermittently sensing the direction vector of said automatically controlled car which represents its current direction of motion on said track, sensing such cars' cell position on the track, and comparing the car vector to the assigned vector of said cell position; and incrementing said direction vector of said automatically controlled car toward said assigned vector direction.
Claim 3
Dependent Claim
34 words
A game method as in claim 1 including the step of prohibiting the drone car from encountering in sequence two cell direction vectors which are radically different from the desired direction of the car.
Claim 4
Dependent Claim
22 words
A game method as in claim 1 including the step of determining said track by wall cells which also include direction vectors.
Claim 5
Dependent Claim
31 words
A game method as in claim 1 where in said incrementing step changes are less than the possible difference in a comparison of a car vector to an assigned cell vector.
Claim 6
Dependent Claim
33 words
A game method as in claim 1 including the step of assigning some vectors a direction deliberately discontinuous with the direction of said track to provide a variable path for said drone car.
Claim 7
Dependent Claim
35 words
A game method as in claim 1 wherein said game is of the video type with a raster scan display screen and said step of intermittently sensing said direction vector is performed each video frame.
Claim 8
Dependent Claim
27 words
A game method as in claim 1 wherein the assigned number of vector directions is much less than the possible angular orientations of said automatically controlled car.
Claim 9
Dependent Claim
20 words
A game method as in claim 7 wherein the assigned number are for eight vector directions and 32 car orientations.
Claim 10
Dependent Claim
23 words
A game method as in claim 7 including the step of incrementing car direction less than angular orientation to provide a skidding effect.
Claim 11
Dependent Claim
131 words
A driving game method where at least one controlled car is driven on a track comprising the following steps: dividing a display field into a plurality of cells for presenting a variety of game indicia including a track and at least one car, dividing said track into cells and assigning each cell a direction vector, such vector being assigned different directions in accordance with the change of direction of said track; initiating movement of said car along said track; intermittently sensing the direction vector of said car which represents current direction of motion on said track, sensing such car's cell position on the track and comparing the car direction vector to the assigned vector of said cell position; and incrementing said direction vector of said controlled car toward assigned vector direction.
Claim 12
Dependent Claim
131 words
A driving game method where at least one controlled car is driven on a track comprising the following steps: dividing a display field into a plurality of cells for presenting a variety of game indicia including a track and at least one car, dividing said track into cells and assigning each cell a direction vector, such vector being assigned different directions in accordance with the change of direction of said track; initiating movement of said car along said track; intermittently sensing the direction vector of said car which represents current direction of motion on said track, sensing such car's cell position on the track and comparing the car direction vector to the assigned vector of said cell position; and incrementing said direction vector of said controlled car toward assigned vector direction.
Claim 13
Dependent Claim
21 words
A game method as in claim 10 including the step of manually controlling the velocity of said car by a player.
Claim 14
Dependent Claim
47 words
A game method as in claim 10 where in said incrementing step changes are less than the possible difference in a comparison of a car vector to an assigned cell vector whereby the path of said car varies as a function of speed and said intermittent sensing.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |