CH662886A5 - Verfahren zum bestimmen der qualitaet von ballschlaegern. - Google Patents
Verfahren zum bestimmen der qualitaet von ballschlaegern. Download PDFInfo
- Publication number
- CH662886A5 CH662886A5 CH5545/83A CH554583A CH662886A5 CH 662886 A5 CH662886 A5 CH 662886A5 CH 5545/83 A CH5545/83 A CH 5545/83A CH 554583 A CH554583 A CH 554583A CH 662886 A5 CH662886 A5 CH 662886A5
- Authority
- CH
- Switzerland
- Prior art keywords
- racket
- quality
- frequency
- rackets
- key
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 20
- 230000010355 oscillation Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 14
- 230000003068 static effect Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/42—Devices for measuring, verifying, correcting or customising the inherent characteristics of golf clubs, bats, rackets or the like, e.g. measuring the maximum torque a batting shaft can withstand
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/042—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands by measuring vibrational characteristics of the flexible member
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0066—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by exciting or detecting vibration or acceleration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH5545/83A CH662886A5 (de) | 1983-10-12 | 1983-10-12 | Verfahren zum bestimmen der qualitaet von ballschlaegern. |
| DE8484111223T DE3469223D1 (en) | 1983-10-12 | 1984-09-20 | Method for determining the quality of rackets |
| AT84111223T ATE32380T1 (de) | 1983-10-12 | 1984-09-20 | Verfahren zum bestimmen der qualitaet von ballschlaegern. |
| EP84111223A EP0141976B1 (de) | 1983-10-12 | 1984-09-20 | Verfahren zum Bestimmen der Qualität von Ballschlägern |
| US06/657,008 US4599898A (en) | 1983-10-12 | 1984-10-02 | Method and apparatus for testing ball striking rackets |
| JP59214059A JPS6098330A (ja) | 1983-10-12 | 1984-10-12 | ラケツトの品質の測定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH5545/83A CH662886A5 (de) | 1983-10-12 | 1983-10-12 | Verfahren zum bestimmen der qualitaet von ballschlaegern. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH662886A5 true CH662886A5 (de) | 1987-10-30 |
Family
ID=4295389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH5545/83A CH662886A5 (de) | 1983-10-12 | 1983-10-12 | Verfahren zum bestimmen der qualitaet von ballschlaegern. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4599898A (https=) |
| EP (1) | EP0141976B1 (https=) |
| JP (1) | JPS6098330A (https=) |
| AT (1) | ATE32380T1 (https=) |
| CH (1) | CH662886A5 (https=) |
| DE (1) | DE3469223D1 (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62222612A (ja) * | 1986-03-25 | 1987-09-30 | Mitsubishi Electric Corp | 電気機器の振動特性簡易測定方法 |
| DE3736219C2 (de) * | 1987-10-26 | 1994-08-18 | Mauve Karl Eberhard Dr | Verfahren und Vorrichtung zur Messung der Saitenspannung eines saitenbespannten Schlägers |
| US4870868A (en) * | 1988-04-27 | 1989-10-03 | Pennwalt Corporation | Vibration sensing apparatus |
| US5060524A (en) * | 1990-04-11 | 1991-10-29 | Makser, S.A. | Racket stringing tension measuring device |
| US5163681A (en) * | 1991-05-02 | 1992-11-17 | George Hodgetts | Golf club matching |
| US5796005A (en) * | 1991-06-12 | 1998-08-18 | Frolow; Jack L. | Flex meter for sports game implements |
| US6132326A (en) * | 1997-09-23 | 2000-10-17 | Jay Schweid, Inc. | Sports implement customizing system |
| US6880403B1 (en) * | 2000-08-28 | 2005-04-19 | Mitsubishi Denki Kabushiki Kaisha | Structure inspection device |
| CN109489921A (zh) * | 2018-07-02 | 2019-03-19 | 马鞍山清净环保科技有限公司 | 一种用于多功能球拍测试仪的拍头控制装置及其使用方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3345862A (en) * | 1964-01-21 | 1967-10-10 | Robert G Rowe | Resonance vibration apparatus for testing articles |
| US3345861A (en) * | 1967-02-24 | 1967-10-10 | Charles A Heath | Acoustical testing method and apparatus |
| US4109520A (en) * | 1976-03-30 | 1978-08-29 | Svenska Traforskningsinstitutet | Method and means for measuring web tension in paper or foils |
| US4055999A (en) * | 1976-12-23 | 1977-11-01 | Cope James R | Tension tester for tennis racket strings |
| US4077256A (en) * | 1977-01-10 | 1978-03-07 | Bruce Lee Hollander | Stringed racket face tension measuring device |
| US4158962A (en) * | 1978-03-03 | 1979-06-26 | Paul Conoval | Cable tension measuring apparatus |
-
1983
- 1983-10-12 CH CH5545/83A patent/CH662886A5/de not_active IP Right Cessation
-
1984
- 1984-09-20 EP EP84111223A patent/EP0141976B1/de not_active Expired
- 1984-09-20 AT AT84111223T patent/ATE32380T1/de active
- 1984-09-20 DE DE8484111223T patent/DE3469223D1/de not_active Expired
- 1984-10-02 US US06/657,008 patent/US4599898A/en not_active Expired - Lifetime
- 1984-10-12 JP JP59214059A patent/JPS6098330A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4599898A (en) | 1986-07-15 |
| EP0141976A1 (de) | 1985-05-22 |
| JPS6098330A (ja) | 1985-06-01 |
| ATE32380T1 (de) | 1988-02-15 |
| DE3469223D1 (en) | 1988-03-10 |
| JPH0477865B2 (https=) | 1992-12-09 |
| EP0141976B1 (de) | 1988-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: BEERS AG, INGENIEURE |
|
| NV | New agent |
Representative=s name: PATENTANWALTSBUERO FELDMANN AG |
|
| PFA | Name/firm changed |
Owner name: BEERS AG, INGENIEURE,HUSMATTSTRASSE 1,8915 HAUSEN |
|
| PL | Patent ceased |