A hand-held electronic device to measure the 'borrow' or gradient of a putting green and to show the player the optimum line along which to putt

• 1. 一种基于实时定位技术的观光车辆行驶路线坡度测量仪 [P] . 中国专利： CN113834468A . 2021-12-24
• 2. 一种非公路用旅游观光车辆行驶路线坡度测量仪 [P] . 中国专利： CN109029353A . 2018-12-18
• 3. PUTTING GREEN DEVICE HAVING REAL PUTTING CIRCUMSTANCE [P] . 韩国专利： KR101306926B1 . 2013-09-10

  机译： 插入绿色设备具有真实的插入状态

• 4. THE PUTTING GREEN DEVICE FOR PUTTING EXERCISE [P] . 韩国专利： KR200282876Y1 . 2002-07-23

  机译： 进行锻炼的绿色设备

• 5. The putting green device for putting exercise [P] . 韩国专利： KR200271151Y1 . 2002-04-09

  机译： 推杆运动的推杆果岭装置

• 1. Development of CAD/CAM system and profile measuring device for CNC grinding machine to obtain an optimal grinding speed [J] . LIM Sang-Heon, KIM Jae-Hyun, LEE Choon-Man 中南大学学报（英文版） . 2011,第001期
• 2. A Comparison of Two Devices Used to Measure Golf Course Putting Green Speed [J] . Jacob S. Richards, Douglas E. Karcher, Thomas A. Nikolai, Applied turfgrass science . 2009,第Jul24期
• 3. Putting together the pieces: building a reaction-centric electronic lab notebook for mobile devices [J] . Alex Clark Journal of Cheminformatics . 2014,第S1期
• 4. Optimal Nitrogen and Potassium Fertilization Rates for Establishment of Warm-Season Putting Greens [J] . Rowland J. H., Cisar J. L., Snyder G. H., Agronomy Journal . 2010,第6期
• 5. BASIC CATION SATURATION RATIO THEORY APPLIED TO SAND-BASED PUTTING GREENS [C] . R.A. St. John, N.E. Christians International Turfgrass Society research journal . 2013
• 6. Water-Use Characteristics of Warm-Season Putting Green Cultivars and Management Practices Associated With New Putting Green Genetics. [D] . Wait, S. Bryant. 2017
• 7. Putting together the pieces: building a reaction-centric electronic lab notebook for mobile devices [O] . Alex Clark 2014
• 8. Putting together the pieces: building a reaction-centric electronic lab notebook for mobile devices [O] . Alex Clark 2014

• 1. Why Fixed Slip Devices Can not Measure the Speed Gradient Due to the Pavement？ [J] . Zoltan Rado ,James C. Wambold . 土木工程与建筑 . 2013,第006期
• 2. Development of CAD/CAM system and profile measuring device for CNC grinding machine to obtain an optimal grinding speed [J] . LIMSang-Heon ,KIM Jae-Hyun ,LEE Choon-Man . 中南大学学报 . 2011,第001期