Title:
APPARATUS FOR EVALUATION OF BASEBALL PITCHING RESULTS
Document Type and Number:
Japanese Patent JPS615860
Kind Code:
A
Abstract:
Apparatus for detecting and computing the location of a baseball as it is pitched over a plate is disclosed. Infrared receivers are disposed at corner locations on opposite sides of a target zone which is aligned with the plate. First and second arrays of infrared emitters are mounted on opposite sides of the target zone for transmitting infrared light pulses to the opposite corner receivers. The infrared emitters are sequentially energized and transmit infrared pulse signals having relatively short durations in a scan cycle. Digital data words representative of the reception and nonreception by the receivers of the optical pulse signals are generated during each pulse interval of the scan cycle. Computer circuitry calculates the coordinates of the baseball within the target zone as a function of predetermined angular data retrieved computer memory. The computer memory is preprogrammed with a table of angular data corresponding to each receiver data word and the particular emitter pulse interval in which it occurs.
More Like This:
| WO/2005/016464 | SPORTS TRAINING APPARATUS |
| JPS54117234 | BASKETBALL GOAL ELEVATOR |
Inventors:
RICHIYAADO AREN HANDO
JIYON RAMAA WATOKINSU
JIYON RAMAA WATOKINSU
Application Number:
JP260285A
Publication Date:
January 11, 1986
Filing Date:
January 10, 1985
Export Citation:
Assignee:
RICHIYAADO AREN HANDO
JIYON RAMAA WATOKINSU
JIYON RAMAA WATOKINSU
International Classes:
A63B63/00; A63B71/06; (IPC1-7): A63B63/00; A63B71/06
Domestic Patent References:
| JPS5839951A | 1983-03-08 | |||
| JP55152404B | ||||
| JP57200253B |
Attorney, Agent or Firm:
Masao Okabe
Next Patent: PRINTER DEVICE