SYSTEM FOR DETECTING BALL IMPACTS ON TENNIS COURTS AND THE LIKE

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EP 0 072 819 A1

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(43)	Date of publication:
	02.03.1983 Bulletin 1983/09

(21)	Application number: 82900513.0

(22)	Date of filing: 11.02.1982

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International Patent Classification (IPC):

(86)	International application number:
	PCT/SE1982/000042

(87)	International publication number:
	WO 1982/002671 (19.08.1982 Gazette 1982/20)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

13.02.1981 SE 19810001006

(71)	Applicant: BIXO, Jan E.
	S-831 62 Östersund (SE)

(72)	Inventor:
	BIXO, Jan E. S-831 62 Östersund (SE)

(54)	SYSTEM FOR DETECTING BALL IMPACTS ON TENNIS COURTS AND THE LIKE