Optoelectronic lawn tennis linesman system

Details Optoelectronic lawn tennis linesman system Optoelectronic lawn tennis linesman system

1988-04-04

1989-09-12

Orsino, Joseph A.

Communications: electrical

Systems

Game reporting

273 29R, G08B 2100

Patent

active

048664146

ABSTRACT:
The optical line watchers continuously monitor the out areas along the court lines, selectively capture the images when the ball touches the watched areas, and convert optical information into electrical pulses of current, which properly selected and amplified, produce audio and video announcements.

REFERENCES:
patent: 2561197 (1951-07-01), Goldsmith
patent: 4004805 (1977-01-01), Chen et al.
patent: 4115006 (1978-09-01), Reymond et al.
patent: 4183056 (1980-01-01), Evans et al.
patent: 4232219 (1980-11-01), Yamamoto et al.
patent: 4432058 (1984-02-01), Supran
patent: 4528548 (1985-07-01), Oberan

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