FR2513752A1 - Dispositif de signalement d'inclinaison - Google Patents

Dispositif de signalement d'inclinaison Download PDF

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Publication number
FR2513752A1
FR2513752A1 FR8118435A FR8118435A FR2513752A1 FR 2513752 A1 FR2513752 A1 FR 2513752A1 FR 8118435 A FR8118435 A FR 8118435A FR 8118435 A FR8118435 A FR 8118435A FR 2513752 A1 FR2513752 A1 FR 2513752A1
Authority
FR
France
Prior art keywords
axis
contact
ball
sieve
plane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8118435A
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English (en)
French (fr)
Other versions
FR2513752B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR8118435A priority Critical patent/FR2513752A1/fr
Priority to US06/418,968 priority patent/US4535986A/en
Publication of FR2513752A1 publication Critical patent/FR2513752A1/fr
Application granted granted Critical
Publication of FR2513752B1 publication Critical patent/FR2513752B1/fr
Granted legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/38—Training appliances or apparatus for special sports for tennis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/02—Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Stringed Musical Instruments (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Toys (AREA)
FR8118435A 1981-09-30 1981-09-30 Dispositif de signalement d'inclinaison Granted FR2513752A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8118435A FR2513752A1 (fr) 1981-09-30 1981-09-30 Dispositif de signalement d'inclinaison
US06/418,968 US4535986A (en) 1981-09-30 1982-09-16 Inclination signaling device on a tennis racquet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8118435A FR2513752A1 (fr) 1981-09-30 1981-09-30 Dispositif de signalement d'inclinaison

Publications (2)

Publication Number Publication Date
FR2513752A1 true FR2513752A1 (fr) 1983-04-01
FR2513752B1 FR2513752B1 (enExample) 1983-12-30

Family

ID=9262619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8118435A Granted FR2513752A1 (fr) 1981-09-30 1981-09-30 Dispositif de signalement d'inclinaison

Country Status (2)

Country Link
US (1) US4535986A (enExample)
FR (1) FR2513752A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098519A3 (en) * 1982-07-09 1984-03-21 Electronic Sports Inc. Esi (Ag) Device to monitor a racket stroke and grip
US5316296A (en) * 1993-05-05 1994-05-31 Ben Zirma Liora B Shock-absorbing game racket
EP1554020A4 (en) * 2002-10-03 2007-07-25 Audio Coach Pty Ltd ATTACHABLE SENSOR FOR DETECTING THE STRAP AND LEVEL OF PUTTING

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789160A (en) * 1985-12-04 1988-12-06 Dollar Jr William O Golf swing position indicator
ES2073392T3 (es) * 1987-05-18 1995-08-16 Adolf Brunner Aparato para la programacion y control del manejo manual de un instrumento para golpear una pelota y de la conduccion de este instrumento por un jugador.
US4971320A (en) * 1989-04-03 1990-11-20 Nesbit Charles E Tennis racket equipped with a portable radio
US4930787A (en) * 1989-08-31 1990-06-05 Nobles Jr Eugene R Golf putter including signaling device
US5169151A (en) * 1992-02-03 1992-12-08 Conley William P Electromechanical putting trainer
US5435561A (en) * 1994-06-17 1995-07-25 Conley; William P. Electronic putting trainer
WO2000043084A1 (fr) * 1998-01-12 2000-07-27 Eric Ratiarson Dispositif d'aide a la manipulation d'une raquette, notamment d'une raquette de tennis
US20040077438A1 (en) * 2002-10-21 2004-04-22 In Choi Racket orientation indicator device and associated method of operation
KR20060023765A (ko) * 2004-09-10 2006-03-15 김정규 골프스윙 보조 장치
US7335118B1 (en) * 2006-12-06 2008-02-26 Hung-Fu Sung Shock absorbing and sound producing device for tennis racket
US20110021280A1 (en) * 2009-07-27 2011-01-27 Vladimir Boroda Hitting technique by identifying ball impact points

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR378104A (fr) * 1907-05-23 1907-09-25 Vladimir De Poliakoff Interrupteur pour courant électrique
US1837533A (en) * 1930-04-15 1931-12-22 William E Colvin Short circuiting switch
US1915267A (en) * 1930-12-08 1933-06-27 Ralph C Bigelow Short circuiting switch
US3083275A (en) * 1960-06-24 1963-03-26 Charles W Jones Short circuiting cutout switch for tractors
DE2049951A1 (de) * 1970-10-10 1972-04-13 Späker, Bernhard, 4100 Duisburg Tennisschläger

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2253796A (en) * 1940-02-29 1941-08-26 Chicago Coin Machine Mfg Co Ball objective
US2914327A (en) * 1956-10-02 1959-11-24 Gineta Lucino Games of skill
US2927286A (en) * 1956-11-27 1960-03-01 Philco Corp Push-pull reactance tube stage
FR1379560A (fr) * 1964-01-17 1964-11-20 Westfalia Separator Ag Contacteur sensible au balourd pour séparateurs centrifuges
US3935669A (en) * 1974-06-03 1976-02-03 Potrzuski Stanley G Electrical signal mechanism actuated in response to rotation about any of three axes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR378104A (fr) * 1907-05-23 1907-09-25 Vladimir De Poliakoff Interrupteur pour courant électrique
US1837533A (en) * 1930-04-15 1931-12-22 William E Colvin Short circuiting switch
US1915267A (en) * 1930-12-08 1933-06-27 Ralph C Bigelow Short circuiting switch
US3083275A (en) * 1960-06-24 1963-03-26 Charles W Jones Short circuiting cutout switch for tractors
DE2049951A1 (de) * 1970-10-10 1972-04-13 Späker, Bernhard, 4100 Duisburg Tennisschläger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098519A3 (en) * 1982-07-09 1984-03-21 Electronic Sports Inc. Esi (Ag) Device to monitor a racket stroke and grip
US5316296A (en) * 1993-05-05 1994-05-31 Ben Zirma Liora B Shock-absorbing game racket
EP1554020A4 (en) * 2002-10-03 2007-07-25 Audio Coach Pty Ltd ATTACHABLE SENSOR FOR DETECTING THE STRAP AND LEVEL OF PUTTING
US7331875B2 (en) 2002-10-03 2008-02-19 Audio Coach Pty Ltd. Attachable sensor for putting stroke path and plane detection

Also Published As

Publication number Publication date
FR2513752B1 (enExample) 1983-12-30
US4535986A (en) 1985-08-20

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