Mark H Greenberg

US Patent:

7846046, Dec 7, 2010

Filed:

Feb 22, 2008

Appl. No.:

12/035825

Inventors:

Mark E. Greenberg - Lexington MA, US
Moise Roditi - Lexington MA, US

International Classification:

A63B 71/06
A63B 61/00

US Classification:

473467, 473415, 473490

Abstract:

A movable frame may be positioned about a playing surface and defines a substantially straight pathway for a tool to follow while altering a playing surface, such as by cutting or marking the surface. A template that may be used to accurately define key positions of a playing surface, like a tennis court. Various pairs of the key positions may, in turn, be used to define each line that is to be marked or altered on the playing surface. Patterns of sensor circuits are defined for indentifying whether a ball impacts the tennis court at a position that is in play, or out of play.

US Patent:

20210362032, Nov 25, 2021

Filed:

May 20, 2020

Appl. No.:

16/879044

Inventors:

Mark Greenberg - Boston MA, US
Michael LaPierre - Beverly MA, US

International Classification:

A63B 71/06
A63B 61/00

Abstract:

A racquet sports scoring system is provided. The scoring system uses a computerized display and input system to receive scoring changes. In many embodiments, the computerized interface is in communication with a database which records the score in real time, and also records scores of other concurrently-played matches. These match scores, and in some cases video of live matches played at other locations, can be viewed on the same computerized interface on which scores are recorded or on remote devices.