EP0283705A2 - Instrument à indication digitale pour un appareil d'entraînement corporel - Google Patents

Instrument à indication digitale pour un appareil d'entraînement corporel Download PDF

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Publication number
EP0283705A2
EP0283705A2 EP88102104A EP88102104A EP0283705A2 EP 0283705 A2 EP0283705 A2 EP 0283705A2 EP 88102104 A EP88102104 A EP 88102104A EP 88102104 A EP88102104 A EP 88102104A EP 0283705 A2 EP0283705 A2 EP 0283705A2
Authority
EP
European Patent Office
Prior art keywords
control
training
measuring device
sensor
training time
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
EP88102104A
Other languages
German (de)
English (en)
Other versions
EP0283705A3 (en
EP0283705B1 (fr
Inventor
Gerhard Dumbser
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.)
ZF Sachs AG
Original Assignee
Fichtel and Sachs AG
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 Fichtel and Sachs AG filed Critical Fichtel and Sachs AG
Publication of EP0283705A2 publication Critical patent/EP0283705A2/fr
Publication of EP0283705A3 publication Critical patent/EP0283705A3/de
Application granted granted Critical
Publication of EP0283705B1 publication Critical patent/EP0283705B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0076—Rowing machines for conditioning the cardio-vascular system
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B2071/0658—Position or arrangement of display
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
    • A63B21/0083—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters of the piston-cylinder type
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/17—Counting, e.g. counting periodical movements, revolutions or cycles, or including further data processing to determine distances or speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S482/00—Exercise devices
    • Y10S482/901—Exercise devices having computer circuitry
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S482/00—Exercise devices
    • Y10S482/901—Exercise devices having computer circuitry
    • Y10S482/902—Employing specific graphic or video display

Definitions

  • the invention relates to a digital display instrument for a body training device.
  • Body training devices such as rowing machines or home bicycles, have a base frame on which a handling part which moves for training against an adjustable resistance, for example two rudder handles or a pair of pedal cranks, is movably guided. It is known in such a body training device to detect the movement of a trigger element attached to the handling part by means of a sensor attached to the base frame, and to determine data signals which represent the power provided during training by means of an evaluation circuit which responds to control pulses generated by the sensor . The data are shown on a display of the evaluation circuit.
  • the data representing the training performance in particular also includes the training time.
  • the display instrument should therefore include a time measuring device that real-time the actual training time minus any breaks, i.e. determines the time span in which the handling part was actually moved and the sensor emits control pulses.
  • the display instrument has a control device which responds to control pulses from the sensor and a training time measuring device which can be controlled in the start-stop mode and whose signal displayed on the display represents the real training time.
  • the training time measuring device is started by the control impulses occurring at the beginning of the training.
  • the control device stops the training time measuring device if no further control pulse follows a control pulse within a time interval of a predetermined size. In this way, the training time is only measured when the handling part is moved at a speed at which the control pulses generated by the sensor with a period consecutively shorter than the specified time interval.
  • the size of the specified time interval depends on the type of body training device and, for example in the case of a rowing machine, is dimensioned according to a minimum rudder stroke rate of ten strokes per minute.
  • the handling part of the training device is normally moved while the exercising person sits on the device for the subsequent training.
  • the control device suppresses a predetermined number of control pulses when the training time measuring device is stopped, which leads to a start delay of the training time measuring device defined by the number of suppressed control pulses leads.
  • Initial control impulses such as may occur when the training device is started up, do not trigger the training time measuring device.
  • the measurement error introduced by the start delay is negligible, since the training time measuring device runs past the last control pulse by the time interval monitored by the control device and is therefore always smaller than this time interval.
  • the evaluation circuit comprises a pulse rate measuring device, the signal of which is shown on the display display representing the repetition rate of the control pulses.
  • the control circuit In order to prevent a value falsified by the start-up from being displayed at the start of the training, it is also expedient here for the control circuit to suppress a predetermined number of control pulses when the training time measuring device is stopped, and thus to ensure a measurement delay.
  • the control device expediently suppresses the first control pulse following the initial or repeated start-up both for the training time measuring device and the pulse rate measuring device.
  • the start of the training time measuring device can also be after the start of the measurement of the pulse rate measuring device, for example when control pulse pairs are assigned to the data to be determined by the evaluation circuit.
  • the sensor generates two control pulses for each complete oar stroke.
  • the pulse rate measuring device begins to measure with the second control pulse after the start of the training, the training time measuring device and possibly a counting device counting the number of strokes only with the third control pulse is started.
  • a reset device which can be actuated by a reset button can be provided for resetting determined data.
  • accidental deletion of the data can be prevented if arrangements are made that the reset button has to be actuated for a predetermined period of time, for example two seconds or longer.
  • the rowing machine of FIG. 1 has a base frame formed by longitudinal spars 1 and transverse spars 3, on which two rudder handles 7 are pivotably mounted via joints 5.
  • the pivoting movement of the rudder handles 7 is braked by adjustable, for example hydraulic, braking devices 9 with a predetermined resistance.
  • a roller seat 11 is slidably guided on the longitudinal spars 1.
  • the exercising person sits on the rolling seat 11 and is supported on the foot plates 13 with his feet while he moves the rudder handles 7. With each stroke of the oar, the roller seat 11 executes a back and forth movement.
  • a digital display instrument 15 is attached to the base frame within sight of the exercising person.
  • the display instrument has an evaluation circuit, which is explained in more detail below and is connected via a cable 17 to a sensor 19 attached to one of the longitudinal bars 1.
  • the sensor 19 is designed as a magnetic field sensor, for example as a reed switch, and responds to the movement of a magnet 21 attached to the roller seat.
  • the sensor 19, which responds to the magnet 21, generates a control pulse both during the forward movement of the roller seat 11 and during its return movement.
  • the evaluation circuit of the display instrument responds to the control impulses and, depending on the control impulses, determines the total number of oar strokes executed. the current rudder stroke frequency or rudder stroke rate and the actual training time minus any breaks. These data are numerically displayed on a display 23 of the display instrument 15.
  • FIGS. 2 and 3 show details of the display instrument, which is detachably held in an angle bracket 25, which in turn is attached to the base frame of the rowing machine.
  • the display instrument 15 has 27 grooves 29 on the outside of its housing, into which ribs 31 formed on the angle holder 25 engage.
  • the housing 27 has several sets of such grooves 29 in order to have a free choice in the arrangement of the angle holder 25 when the rowing machine is retrofitted with the display instrument.
  • FIG. 3 shows that the display instrument has a reset button 33 on its front, via which all the data to be displayed can be deleted.
  • FIG. 4 shows a block diagram of the evaluation circuit of the display instrument 15.
  • the evaluation circuit allows the actual determination of the actual training time minus any breaks.
  • a training time measuring device 35 is provided with a counter 39 which counts periodic clock pulses from a clock circuit 37, the counting content of which is a measure of the training time which has elapsed in real time and is displayed in a display field 41 of the display 23 (FIG. 1).
  • the training time measuring device 35 can be controlled in the start-stop mode and is started by a control pulse of the sensor 19 which responds to the magnet 21 and is supplied to a start input 43 of the clock circuit 37.
  • a shutdown device 45 which responds to the control pulses from the sensor 19 (for example in the form of a monoflop that can be retriggered by the control pulses), supplies a stop signal to a stop input 47 of the clock circuit 37, if no further control pulse follows within a predetermined period of time .DELTA.T since the most recent control pulse.
  • the time period ⁇ T defines a predetermined minimum rudder stroke rate. For a minimum rudder stroke rate of ten strokes per minute, the control impulses generated during both the back and forth movement of the roller seat 11 (FIG. 1) must follow one another in a time span ⁇ T of less than three seconds. The training time measuring device 35 is thus stopped when rowing is not taking place or at a rate lower than the minimum rudder stroke rate.
  • the exercising person In order to be able to take a seat on the rowing machine according to FIG. 1, the exercising person must as a rule bring the roller seat 11 into one of its end positions.
  • the control pulses are fed to the start input 43 via a suppression device 49, for example in the form of a shift register.
  • the shift register 49 has three stages, the start input 43 being connected to the third stage.
  • the shift register 49 is cleared by stop signals from the switch-off device 45, so that when the training is started, the control pulses generated by the sensor 19 must move through the shift register 49 step by step in time with the generated control pulses before they appear at the output of the third stage and the training time measuring device 35 starts can.
  • the shift register 49 thus suppresses the first two control pulses. While the first suppressed control pulse can be caused by an unintentional movement of the roller seat 11, the start by means of the third control pulse ensures that a complete one Back and forth movement of the roller seat 11 has taken place and accordingly a first complete rudder stroke.
  • the evaluation circuit determines further data representing the training performance.
  • a counter 51 is provided, which counts, via a divider circuit 53, every second control pulse of sensor 19 occurring at the output of the second stage of shift register 49.
  • the counting content of the counter 51 represents the total number of beats and is numerically displayed in a display field 55 of the display 23 (FIG. 1). Since the divider 53 is supplied with the second control pulse after the rudder movement has started, the counter 51 counts the third control pulse as the first rudder stroke synchronously with the start of the training time measuring device 35.
  • the counter 51 thus counts pairs of control pulses in accordance with the back and forth movement of the roller seat 11 carried out with each oar stroke.
  • the evaluation circuit determines the time interval required between successive control pulses both during the forward movement and during the return movement of the roller seat 11 by means of a counter 59 counting periodic clock pulses from a clock circuit 57.
  • the counting process is controlled by control pulses from the sensor 19 supplied to a control input 61.
  • the control pulses reset the counter 59 after its content representing the time interval between successive control pulses is transferred to a computing device 63, which converts it into a mathematically inverted value representing the current rudder stroke rate.
  • the value of the rudder stroke rate is displayed in a display field 65 of the display 23 (FIG. 1).
  • the suppression device formed suppresses the first control pulse at the start of the training, whereby the calculation of the rudder stroke rate begins with the second control pulse and, with the third control pulse, the first result value of the rudder stroke rate can be transferred to the display 23 at the same time as the first result value of the total stroke rate.
  • the control value 67 of the display field 65 numerically indicating the rudder stroke rate, i.e. the rate zero.
  • the shift register 49 and the counters 39, 51 and 59 can be reset by means of a reset device 69 which can be actuated by the reset button 33.
  • the reset device 69 generates a reset signal R when the reset button 33 is operated for a predetermined period of time, for example two seconds. The monitoring of the predetermined time period by the reset device 69 prevents inadvertent deletion of the data stored in the counters 39, 51, 59.
  • the evaluation circuit explained above is made up of discrete components. However, it goes without saying that the evaluation circuit can also be implemented by a microprocessor with a program acting in the same way.
  • FIG. 5 shows a further application example of a digital display instrument 15a in connection with a home bicycle or ergometer, in which a braking device (not shown in detail) is pedaled crank 71 is driven.
  • the pedal cranks 71 are rotatably mounted in a conventional manner on a base frame 75 provided with a seat 73.
  • One of the pedal cranks 71 carries a magnet 77, which during the crank movement is moved past a magnetic field sensor 81 connected via a cable 79 to an evaluation circuit of the instrument 15a (not shown).
  • the magnetic field sensor 81 is fastened to the base frame 75 and generates control pulses to which the evaluation circuit responds, as was explained above with reference to FIGS. 1 to 4.
  • the evaluation circuit comprises an automatically starting and stopping training time measuring device and a further measuring device determining the control pulse rate and thus the pedal speed.
  • the two devices mentioned can have the circuit explained with reference to FIG. 4.
  • a device for suppressing the first control pulse generated at the start of the training is also provided.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Rehabilitation Tools (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP88102104A 1987-02-24 1988-02-12 Instrument à indication digitale pour un appareil d'entraînement corporel Expired - Lifetime EP0283705B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3705796 1987-02-24
DE19873705796 DE3705796A1 (de) 1987-02-24 1987-02-24 Digitales anzeigeinstrument fuer koerpertrainingsgeraete

Publications (3)

Publication Number Publication Date
EP0283705A2 true EP0283705A2 (fr) 1988-09-28
EP0283705A3 EP0283705A3 (en) 1988-12-21
EP0283705B1 EP0283705B1 (fr) 1991-04-03

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EP88102104A Expired - Lifetime EP0283705B1 (fr) 1987-02-24 1988-02-12 Instrument à indication digitale pour un appareil d'entraînement corporel

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US (1) US4832332A (fr)
EP (1) EP0283705B1 (fr)
DE (2) DE3705796A1 (fr)

Cited By (2)

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FR2645269A1 (fr) * 1989-03-29 1990-10-05 Look Sa Procede et systeme pour la remise a zero d'un dispositif de mesure du couple notamment sur un cycle ou vehicule similaire
WO1993015795A1 (fr) * 1992-02-05 1993-08-19 Pierre Cadic Comparateur visuel par deux mobiles pour stimuler l'exercice physique sur des appareils mecaniques de sport individuel

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US9254409B2 (en) 2013-03-14 2016-02-09 Icon Health & Fitness, Inc. Strength training apparatus with flywheel and related methods
EP3623020B1 (fr) 2013-12-26 2024-05-01 iFIT Inc. Mécanisme de résistance magnétique dans une machine de câble
US10433612B2 (en) 2014-03-10 2019-10-08 Icon Health & Fitness, Inc. Pressure sensor to quantify work
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WO2015195965A1 (fr) 2014-06-20 2015-12-23 Icon Health & Fitness, Inc. Dispositif de massage après une séance d'exercices
US10258828B2 (en) 2015-01-16 2019-04-16 Icon Health & Fitness, Inc. Controls for an exercise device
US10391361B2 (en) 2015-02-27 2019-08-27 Icon Health & Fitness, Inc. Simulating real-world terrain on an exercise device
US10940360B2 (en) 2015-08-26 2021-03-09 Icon Health & Fitness, Inc. Strength exercise mechanisms
TWI644702B (zh) 2015-08-26 2018-12-21 美商愛康運動與健康公司 力量運動機械裝置
US10953305B2 (en) 2015-08-26 2021-03-23 Icon Health & Fitness, Inc. Strength exercise mechanisms
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US10272317B2 (en) 2016-03-18 2019-04-30 Icon Health & Fitness, Inc. Lighted pace feature in a treadmill
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US10671705B2 (en) 2016-09-28 2020-06-02 Icon Health & Fitness, Inc. Customizing recipe recommendations
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FR2532854A1 (fr) * 1982-09-15 1984-03-16 Huret & Fils Appareil indicateur notamment pour bicyclette ergometrique
DE8502372U1 (de) * 1985-01-30 1986-06-12 Keilbach, Manfred, 7022 Leinfelden-Echterdingen Messvorrichtung für Trainingsmaschinen
US4632570A (en) * 1985-09-06 1986-12-30 Mark Chan Timer for use in interval training

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645269A1 (fr) * 1989-03-29 1990-10-05 Look Sa Procede et systeme pour la remise a zero d'un dispositif de mesure du couple notamment sur un cycle ou vehicule similaire
EP0391756A1 (fr) * 1989-03-29 1990-10-10 Ste Look Procédé et système pour la remise à zéro d'un dispositif de mesure du couple notamment sur un cycle
US5018392A (en) * 1989-03-29 1991-05-28 Ste Look Method and system for zero-resetting of a torque-measuring device, especially on a cycle or like vehicle
WO1993015795A1 (fr) * 1992-02-05 1993-08-19 Pierre Cadic Comparateur visuel par deux mobiles pour stimuler l'exercice physique sur des appareils mecaniques de sport individuel

Also Published As

Publication number Publication date
DE3705796A1 (de) 1988-09-01
EP0283705A3 (en) 1988-12-21
US4832332A (en) 1989-05-23
DE3862223D1 (de) 1991-05-08
EP0283705B1 (fr) 1991-04-03

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