Target apparatus including transmitting/receiving dart
US4678194A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1984 |
| Grant date | Jul 7, 1987 |
| Priority date | — |
| Expiry date | Jun 18, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41J5/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a target having conductive fibres in a plurality of beds into which a transmitting/receiving projectile may be embedded with a portion of the projectile remaining protruding from the target. Each bed indicates a score and is electronically insulated from the other. In some embodiments the separate scoring portions of the target transmit different signals with the signal from the projectile embedded in that portion of the target being radiated at a greater strength. The strongest signal (indicative of the portion of the target struck) is received by a nearby receiver and the score displayed. An alternative embodiment utilizes an externally transmitted signal and the projectile acts as a receiving antenna, conveying the signal to only that target bed in which the projectile is embedded and the individual beds are connected to the scoring display system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.