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Class Information
Number: 473/192
Name: Games using tangible projectile > Golf > Target or obstacle (e.g., putting hole, hole marker, sand trap, etc.) > Projectile responsive sensor (e.g., target impact indicator, etc.) > Electrical sensor
Description: Subject matter wherein said detection means is powered by electrical current.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7344446 |
Ball detection apparatus for detecting when a golf ball is hit off a golf tee |
Mar. 18, 2008 |
| 7318777 |
Par one |
Jan. 15, 2008 |
| 7238115 |
Roadway-transportable artificial golf practice green apparatus |
Jul. 3, 2007 |
| 7056221 |
Ball collection arrangement |
Jun. 6, 2006 |
| 6884180 |
Self-recording golf ball, golf ball cup, and reading device system |
Apr. 26, 2005 |
| 6569028 |
Golf driving range |
May. 27, 2003 |
| 6554284 |
Target assembly for practicing ball games |
Apr. 29, 2003 |
| 6409607 |
Golf courses and methods of playing golf |
Jun. 25, 2002 |
| 6398662 |
Moving practice green and ball pickup apparatus |
Jun. 4, 2002 |
| 6176789 |
Scoring method and apparatus |
Jan. 23, 2001 |
| 6152830 |
Putting practice system |
Nov. 28, 2000 |
| 5980392 |
Moving practice green and ball pickup apparatus |
Nov. 9, 1999 |
| 5938537 |
Golf exercise stand |
Aug. 17, 1999 |
| 5884913 |
Golf tee shot-green placement monitoring system |
Mar. 23, 1999 |
| 5823885 |
Portable personal driving range and all purpose sporting net |
Oct. 20, 1998 |
| 5806848 |
Apparatus for determining a speed of a projectile |
Sep. 15, 1998 |
| 5779241 |
Apparatus and method for measurement of position and velocity |
Jul. 14, 1998 |
| 5735751 |
Putting target with audible feedback |
Apr. 7, 1998 |
| 5562285 |
Distance measuring system for a driven golf ball |
Oct. 8, 1996 |
| 5482278 |
Handicapped-accessible golf course |
Jan. 9, 1996 |
| 5447315 |
Method and apparatus for sensing speed and position of projectile striking a target |
Sep. 5, 1995 |
| 5445374 |
Golf driving range, system and method for retrieving balls from target cup |
Aug. 29, 1995 |
| 5419565 |
Electrical device for detecting the location and speed or force of impact with a target |
May. 30, 1995 |
| 5354052 |
Hole-in-one detector |
Oct. 11, 1994 |
| 5342053 |
Golf putting apparatus |
Aug. 30, 1994 |
| 5306013 |
Projectile accuracy signalling apparatus |
Apr. 26, 1994 |
| 5242169 |
Golf putting practice device |
Sep. 7, 1993 |
| 5171013 |
Detector system for object movement in a game |
Dec. 15, 1992 |
| 5064194 |
Apparatus for use in practicing pitching of baseballs |
Nov. 12, 1991 |
| 5029867 |
Golf game |
Jul. 9, 1991 |
| 5029866 |
Apparatus and method for determining projectile impact locations |
Jul. 9, 1991 |
| 4898388 |
Apparatus and method for determining projectile impact locations |
Feb. 6, 1990 |
| 4880239 |
Golf training apparatus |
Nov. 14, 1989 |
| 4858922 |
Method and apparatus for determining the velocity and path of travel of a ball |
Aug. 22, 1989 |
| 4770527 |
Photoelectric-piezoelectric velocity and impact sensor |
Sep. 13, 1988 |
| 4659090 |
Electrical device for indicating the force and/or location of target impacts or other forces |
Apr. 21, 1987 |
| 4542905 |
Game with an electromagnetic ball detector |
Sep. 24, 1985 |
| 4511146 |
Practice golf net device |
Apr. 16, 1985 |
| 4336939 |
Golf chip and putt practice device and game |
Jun. 29, 1982 |
| 4160942 |
Golf ball trajectory presentation system |
Jul. 10, 1979 |
| 4141557 |
Simulated golf green |
Feb. 27, 1979 |
| 4116437 |
Tennis training and rating apparatus |
Sep. 26, 1978 |
| 4070018 |
Ball impact target with ball impact sensor |
Jan. 24, 1978 |
| 4009883 |
Ball game practicing device |
Mar. 1, 1977 |
| 4006907 |
Game apparatus |
Feb. 8, 1977 |
| 3972531 |
Indicating target for projectiles |
Aug. 3, 1976 |
| 3966212 |
Simulated golf green |
Jun. 29, 1976 |
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