EP0041009A1 - Elektronisches Metronom - Google Patents

Elektronisches Metronom Download PDF

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Publication number
EP0041009A1
EP0041009A1 EP81400778A EP81400778A EP0041009A1 EP 0041009 A1 EP0041009 A1 EP 0041009A1 EP 81400778 A EP81400778 A EP 81400778A EP 81400778 A EP81400778 A EP 81400778A EP 0041009 A1 EP0041009 A1 EP 0041009A1
Authority
EP
European Patent Office
Prior art keywords
circuit
pedal
electronic metronome
frequency
remote control
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
EP81400778A
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English (en)
French (fr)
Other versions
EP0041009B1 (de
Inventor
Etienne Dill
Pascal Dill
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT81400778T priority Critical patent/ATE12990T1/de
Publication of EP0041009A1 publication Critical patent/EP0041009A1/de
Application granted granted Critical
Publication of EP0041009B1 publication Critical patent/EP0041009B1/de
Expired legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/02—Metronomes
    • G04F5/025—Electronic metronomes

Definitions

  • An object of the present invention is an electronic metronome allowing an instrumentalist to start and stop this metronome at any time without letting go of his instrument.
  • Another object of the invention is an electronic metronome allowing an instrumentalist to resume a tempo initially defined by the metronome at a precise moment chosen by him after a change of pace.
  • Another object of the invention is an electronic metronome allowing the exact synchronization of the tops emitted by the metronome, with the playing of the instrumentalist.
  • Another object of the invention is a space-saving and inexpensive electronic metronome.
  • an electronic metronome for producing tops at a predetermined frequency comprises an oscillator circuit triggered with a means for adjusting the predetermined frequency, connected to means for generating sound tops and / or luminous and with a synchronized pedal-operated trigger remote control, so that the metronome can be triggered or stopped at any time by an instrumentalist without having to let go of his instrument.
  • FIG. 2 represents a first exemplary embodiment of the triggered oscillator circuit 10 of FIG. 1.
  • This circuit comprises a unijunction transistor Tl whose emitter is connected to the terminal of supply voltage 12 by the frequency adjustment means 11 which comprises a potentiometer Pl, connected to the terminal 12 and to ground respectively by a resistor R and by a capacitor Cl.
  • the base B2 of the transistor Tl is connected by a part to the supply voltage terminal 12 V via a resistor R B2 and secondly to the pedal remote control 14 via a capacitor C2.
  • the base Bl of the transistor Tl is also connected to the pedal remote control 14 via a resistor R B1 , and to the input of the tops generation means 13.
  • the remote control pedal 14 makes it possible to synchronize the metronome by means of the remote control pedal 14 by lowering the peak or tripping voltage of the transistor Tl to its minimum value and by charging the capacitor Cl to its maximum value so as to introduce no delay between switching on of the pedal and the discharge of the capacitor Cl.
  • the pedal being connected to ground by its engagement, the capacitor C2 as well as the resistor R BI are grounded and a negative pulse is thus sent on the base B2 of the transistor Tl, which reduces the voltage Bl -B2 so that the peak voltage Vp is reduced to its minimum value.
  • the pedal When the pedal is not engaged, the base Bl of the transistor Tl is in the air and the capacitor Cl cannot therefore be discharged. It thus charges at its maximum value, that is to say at the value of the supply voltage V.
  • the discharge of the capacitor C1 is therefore instantaneous.
  • the time constant of the second circuit 32 is regulated by an external circuit 37 with resistance and capacitor connected to the terminal 12 of supply voltage V which is for example 9 volts.
  • This circuit time constant 32 determines the repetition frequency of the tops emitted by the means 13.
  • two monostable circuits integrated in technology of the oxide-metal semiconductor type with complementary CMOS symmetry can be used. or of the TTL transistor-transistor logic type.
  • FIG. 4 represents a third embodiment of the triggered oscillator circuit 10 of FIG. 1.
  • the circuit 10 consists of an integrated voltage-controlled oscillator 40; of a known type such as 74 S124 from Texas Instruments, to which are externally connected a capacitor 41 and a potentiometer 42 for adjusting the frequency connected between the terminal 12 of FIG. 1 and the ground.
  • a validation input 43 and an output 44 of the oscillator 40 are respectively connected to the remote control pedal 14 and to the tops generation means 13 of FIG. 1.
  • FIG. 5 is a detailed diagram of an electronic metronome according to the invention comprising the triggered oscillator circuit of FIG. 2.
  • the resistor R of FIG. 2 is constituted, in FIG. 5, by the resistors R3 and R1 in series between terminal 12 and potentiometer P1.
  • the resistor R B2 of FIG. 2 is constituted by the resistors R2 and R4 in series between the terminal 12 and the base B2 of the transistor Tl.
  • the resistors Rl and R2 are adjustable resistors for calibrating the metronome respectively at high frequencies and low frequencies.
  • These frequency limit values are, for example, of the order of 40 tops per minute and 208 tops per minute.
  • the reading of the frequencies other than the limiting frequencies can be made by rotation of a graduated dial secured to the potentiometer Pl.
  • the precision of the graduations is dependent on the precision on the linearity of the potentiometer Pl, ie 5%.
  • the advantage of the two adjusting resistors R1 and R2 for calibrating the metronome respectively at high frequencies and at low frequencies is to be able to choose limit frequencies such that they make it possible to vary the operating frequency with great precision.
  • the means for generating tops 13 of FIG. 1 include, in FIG. 5, a transistor T2 of an amplifier circuit connected to the base B1 of the transistor Tl by a resistor R6.
  • the emitter of the transistor T2 is connected, like the capacitor C2 and the resistor R B1 , to the pedal remote control 14, that is to say to ground when the pedal is engaged.
  • the collector of transistor T2 is connected to a light tops emitting circuit comprising a frosted glass LED light-emitting diode Dl and a resistor R8 in parallel, and to a sound tops emitting circuit comprising a loudspeaker and a resistor R9 in series which are in parallel with a resistor R7 and a potentiometer P2 for adjusting the speaker volume.
  • the metronome can also operate by directly connecting the capacitor C2, the resistor R B1 and the emitter of the transistor T2 to ground by a switch of the plug J1, without the intermediary of the pedal.
  • a switch S1 placed between the terminal 12 and the selector S2 for powering up the device.
  • the potentiometer P2 makes it possible to adjust the sound volume of the loudspeaker without however appreciably influencing the light intensity of the diode Dl which has been chosen with frosted glass to have a wide distribution of the illumination and to increase the angle of light perception.
  • the average consumption at the minimum frequency is 1.6 mA, and at the maximum frequency it is 3.8 mA.
  • the instantaneous sound power is 2W for 150 ⁇ s. If the loudspeaker and the diode are connected, the average sound power at minimum frequency is 10 mW. In the case where the HP speaker is only connected, the power is 13 mW. At maximum frequency, the average sound power is 25 mW when the loudspeaker and the diode are connected. When the HP speaker is only connected, the power is 32 mW at maximum frequency. Note also that when the pedal is not engaged, consumption is zero.
  • the embodiment of the invention which has just been described comprises an oscillator triggered directly by the pedal remote control connected by an electric wire.
  • This triggered oscillator three embodiments of which have been described with reference to Figures 2, 3 and 4, could also be a high frequency oscillator.
  • the electrical connection by wire is replaced by a wireless connection and the oscillator directly triggered is replaced by a high frequency quartz oscillator. whose following stages are triggered by the remote control.
  • the pedal remote control 14 of FIGS. 1 to 5 is connected to the electronic circuit of the metronome by a transceiver system ER which can be of the electromagnetic, optical, ultrasonic, etc. type.
  • a high frequency crystal oscillator 20, of conventional design is connected to a synchronization circuit and frequency dividers 21 to supply pulses adjusted to an appropriate frequency by frequency adjustment means 22 when a synchronization signal from the pedal and transmitted by the ER system is received by circuit 21.
  • the invention is not limited by the preceding exemplary embodiments. It can indeed be brought to it without departing from its framework, as soon as a pedal synchronization remote control is used to trigger an oscillator, or the stages according to the oscillator, coupled to an appropriate adjustment means.
  • a pedal synchronization remote control is used to trigger an oscillator, or the stages according to the oscillator, coupled to an appropriate adjustment means.
  • Such an electronic metronome has the essential advantage of freeing the musician from the subjugation to which the classical metronome subjected him and therefore multiplies his possibilities of use without thereby harming the musical character of the study.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Steroid Compounds (AREA)
  • Electronic Switches (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
  • Catching Or Destruction (AREA)
EP81400778A 1980-05-22 1981-05-18 Elektronisches Metronom Expired EP0041009B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81400778T ATE12990T1 (de) 1980-05-22 1981-05-18 Elektronisches metronom.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8011466 1980-05-22
FR8011466A FR2483098A1 (fr) 1980-05-22 1980-05-22 Metronome electronique

Publications (2)

Publication Number Publication Date
EP0041009A1 true EP0041009A1 (de) 1981-12-02
EP0041009B1 EP0041009B1 (de) 1985-04-24

Family

ID=9242245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81400778A Expired EP0041009B1 (de) 1980-05-22 1981-05-18 Elektronisches Metronom

Country Status (7)

Country Link
US (1) US4462297A (de)
EP (1) EP0041009B1 (de)
JP (1) JPS5717887A (de)
AT (1) ATE12990T1 (de)
DE (1) DE3170097D1 (de)
ES (1) ES8204185A1 (de)
FR (1) FR2483098A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521752A1 (fr) * 1982-02-15 1983-08-19 Lopez Amaro Jose Procede et dispositif pour la correction du begaiement et du bredouillement
FR2616239A1 (fr) * 1987-06-04 1988-12-09 Rechem Fabrice Van Dispositif pour afficher une vitesse metronomique et pour moduler la frequence du signal sonore produit
FR2677778A1 (fr) * 1991-06-17 1992-12-18 Mu Technologies Dispositif de saisie de la structure musicale et de visualisation du temps musical sur une partition.

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768249A (en) * 1985-12-30 1988-09-06 Ssi Medical Services, Inc. Patient support structure
US5447089A (en) * 1993-04-27 1995-09-05 Marrash; James G. Electronic metronome with variable tempo control
AU2003249549A1 (en) 2002-08-09 2004-02-25 Intercure Ltd. Generalized metronome for modification of biorhythmic activity
US20040099132A1 (en) * 2002-11-27 2004-05-27 Parsons Christopher V. Tactile metronome
US7385128B2 (en) * 2004-12-06 2008-06-10 Tailgaitor, Inc. Metronome with projected beat image
US7285101B2 (en) * 2005-05-26 2007-10-23 Solutions For Thought, Llc Vibrating transducer with provision for easily differentiated multiple tactile stimulations
JP2008195305A (ja) * 2007-02-14 2008-08-28 Kanto Auto Works Ltd 自動車の車体前部構造
CN102831880B (zh) * 2012-09-07 2014-03-05 刘旺平 一种无干扰律动指挥多功能节拍器

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226875A (fr) * 1959-06-08 1960-08-16 Métronome électronique
FR1451344A (fr) * 1965-06-25 1966-01-07 Seeburg Corp Instrument de musique électronique
US3467959A (en) * 1966-05-23 1969-09-16 Boston Symphony Orchestra Metronome
US3478633A (en) * 1966-02-07 1969-11-18 Seeburg Corp Counter resetting arrangement for rhythm accompaniment starting
US3540344A (en) * 1968-11-29 1970-11-17 Robert D Veech Miniaturized metronome with earphone and voice amplifier
US3595122A (en) * 1970-06-15 1971-07-27 Mihai Brediceanu Programmed system for complex polytempi music and ballet performances
FR2161502A5 (de) * 1971-11-26 1973-07-06 Cit Alcatel
US4018131A (en) * 1975-05-27 1977-04-19 Cannon Robert L Electronic metronome
DE2608043A1 (de) * 1976-02-27 1977-09-01 Wittner Rudolf Elektronisches metronom
US4095501A (en) * 1975-11-29 1978-06-20 Nippon Gakki Seizo Kabushiki Kaisha Automatic rhythm performing apparatus having a voltage-controlled variable frequency oscillator
US4192133A (en) * 1976-08-13 1980-03-11 Kabushiki Kaisha Daini Seikosha Electronic watch with means for producing pulse sound at selected intervals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141273A (en) * 1978-01-16 1979-02-27 Benjamin Austin Music learning aid

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226875A (fr) * 1959-06-08 1960-08-16 Métronome électronique
FR1451344A (fr) * 1965-06-25 1966-01-07 Seeburg Corp Instrument de musique électronique
US3478633A (en) * 1966-02-07 1969-11-18 Seeburg Corp Counter resetting arrangement for rhythm accompaniment starting
US3467959A (en) * 1966-05-23 1969-09-16 Boston Symphony Orchestra Metronome
US3540344A (en) * 1968-11-29 1970-11-17 Robert D Veech Miniaturized metronome with earphone and voice amplifier
US3595122A (en) * 1970-06-15 1971-07-27 Mihai Brediceanu Programmed system for complex polytempi music and ballet performances
FR2161502A5 (de) * 1971-11-26 1973-07-06 Cit Alcatel
US4018131A (en) * 1975-05-27 1977-04-19 Cannon Robert L Electronic metronome
US4095501A (en) * 1975-11-29 1978-06-20 Nippon Gakki Seizo Kabushiki Kaisha Automatic rhythm performing apparatus having a voltage-controlled variable frequency oscillator
DE2608043A1 (de) * 1976-02-27 1977-09-01 Wittner Rudolf Elektronisches metronom
US4192133A (en) * 1976-08-13 1980-03-11 Kabushiki Kaisha Daini Seikosha Electronic watch with means for producing pulse sound at selected intervals

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Revue Generale de l'Electricite, Vol. 74, No. 5, Mai 1965 Paris, FR H. SURIN: "Les Thyristors", pages 377-391 * figure 17 * *
Wireless World, Vol. 80, No. 1466 Octobre 1974 K.B. SORENSEN: "Touch Start of Automatic Rhythm Device", page 381 * page 381, colonne de gauche * *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521752A1 (fr) * 1982-02-15 1983-08-19 Lopez Amaro Jose Procede et dispositif pour la correction du begaiement et du bredouillement
FR2616239A1 (fr) * 1987-06-04 1988-12-09 Rechem Fabrice Van Dispositif pour afficher une vitesse metronomique et pour moduler la frequence du signal sonore produit
FR2677778A1 (fr) * 1991-06-17 1992-12-18 Mu Technologies Dispositif de saisie de la structure musicale et de visualisation du temps musical sur une partition.
WO1992022884A1 (fr) * 1991-06-17 1992-12-23 Mu Technologies Dispositif de saisie de la structure musicale et de visualisation du temps musical sur une partition

Also Published As

Publication number Publication date
ATE12990T1 (de) 1985-05-15
ES502380A0 (es) 1982-04-01
US4462297A (en) 1984-07-31
FR2483098A1 (fr) 1981-11-27
EP0041009B1 (de) 1985-04-24
ES8204185A1 (es) 1982-04-01
DE3170097D1 (en) 1985-05-30
FR2483098B1 (de) 1983-05-13
JPS5717887A (en) 1982-01-29

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