EP0041009B1 - Métronome électronique - Google Patents

Métronome électronique Download PDF

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Publication number
EP0041009B1
EP0041009B1 EP81400778A EP81400778A EP0041009B1 EP 0041009 B1 EP0041009 B1 EP 0041009B1 EP 81400778 A EP81400778 A EP 81400778A EP 81400778 A EP81400778 A EP 81400778A EP 0041009 B1 EP0041009 B1 EP 0041009B1
Authority
EP
European Patent Office
Prior art keywords
circuit
electronic metronome
switch
impulses
metronome
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.)
Expired
Application number
EP81400778A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0041009A1 (fr
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
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 AT81400778T priority Critical patent/ATE12990T1/de
Publication of EP0041009A1 publication Critical patent/EP0041009A1/fr
Application granted granted Critical
Publication of EP0041009B1 publication Critical patent/EP0041009B1/fr
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

  • the present invention relates generally to metronomes and, in particular, electronic metronomes with synchronized control.
  • Classic metronomes are devices which, once set to the desired frequency, continuously produce audible tops at regular intervals. Until now, such a metronome therefore obliged the musician who had started it to regulate his play on the stable frequency of the beats emitted and excluded all changes of pace, thus fixing the music in a rigor which is all his completely foreign. Indeed, musical language includes a large number of circumstances in which it is necessary to alter the regularity of its progress (cadences, high points, slow motion or other changes notified in writing on the score). Under these conditions, the instrumentalist must be able to suspend (momentarily or permanently) the production of sound tops to respect the changes of pace and reincorporate the metronome at the precise moment when he decided to return to the initial tempo. However, with classical mechanical or electronic metronomes, the instrumentalist cannot change pace compared to the initial time while continuing to play. With such metronomes, the instrumentalist cannot check whether he is at the right tempo again after changing pace without stopping to play.
  • a first 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 comprising an oscillator circuit with a means for adjusting the predetermined frequency, connected to means for generating sound and / or light tops and to a remote control for triggering of the oscillator circuit, is characterized in that said oscillator circuit consists of first and second integrated monostable circuits, the first having an input connected to the triggering remote control, which is synchronized with the pedal, and an output connected to the tops generation means and to an input of the second monostable circuit, the output of which is connected to another input of the first monostable circuit, a means of adjusting the time constant of the first monostable circuit making it possible to adjust the duration of each of the said circuits tops and a means for adjusting the time constant of the second monostable circuit corresponding to the means for adjusting the predetermined frequency.
  • an electronic metronome comprises a triggered oscillator circuit 10 connected to a frequency adjustment means 11 connected to a terminal 12 of DC supply voltage V, to means for generating audible signals and / or light 13 and a synchronized pedal remote control 14.
  • FIG. 2 represents a first exemplary embodiment of the triggered oscillator circuit 10 of FIG. 1.
  • This circuit comprises a uni - junction transistor TI whose emitter is connected to the supply voltage terminal 12 by means of frequency setting 11 which includes a potentiometer P1, connected to terminal 12 and to ground respectively by a resistor R and by a capacitor C1.
  • the base B2 of the transistor T1 is connected on the one hand to the supply voltage terminal 12 V via a resistor R B2 and on the other hand to the pedal remote control 14 via a capacitor C2.
  • the base B1 of the transistor T1 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 T1 to its minimum value and by charging the capacitor C1 to its maximum value so as to introduce no delay between switching on of the pedal and the discharge of the capacitor C1.
  • the pedal being connected to ground by its engagement, the capacitor C2 as well as the resistor R S1 are grounded and a negative pulse is thus sent to the base B2 of the transistor T1, which reduces the voltage B1- B2 so that the peak voltage Vp is reduced to its minimum value.
  • the base 81 of the transistor T1 is in the air and the capacitor C1 cannot therefore discharge. It thus charges to its maximum value, that is to say to the value of the supply voltage V.
  • the discharge of the capacitor C1 is therefore instantaneous.
  • FIG 3 is a second embodiment of the triggered oscillator circuit 10 of Figure 1, the oscillator circuit being in accordance with the present invention.
  • the circuit 10 consists of two monostable circuits 31 and 32, the output Q or Q of the first circuit 31 is connected on the one hand to an input 33 of the second circuit 32 and on the other hand to the means for generating tops 13 of the Figure 1 and an input 34 of which is connected to the pedal remote control 14 of Figure 1 and a second input 35 of which is connected to the Q or Q output of circuit 32 (depending on whether the inputs of circuits 31 and 32 are active on one edge ascending or descending).
  • the time constant of circuit 31 is adjusted by an external circuit 36 with resistance and capacitor connected to terminal 12 of supply voltage V.
  • This time constant of circuit 31 determines the duration of each signal emitted by the means 13.
  • 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 frequency of repetition of the tops emitted by the means 13.
  • two monostable circuits integrated in technology of the symmetry oxide-metal semiconductor type can be used CMOS or of the transistor-transistor TTL logic type.
  • FIG. 4 represents a third exemplary 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 earth.
  • 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 comprising the triggered oscillator circuit of FIG. 2. Said oscillator circuit can be replaced by that of FIG. 3, which is in accordance with the present invention.
  • the resistor R in FIG. 2 is constituted, in FIG. 5, by the resistors R3 and R1 in series between the terminal 12 and the 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 T1.
  • the resistors R1 and R2 are adjustable resistors for calibrating the metronome respectively at high frequencies and at 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 P1.
  • the precision of the graduations is dependent on the precision on the linearity of the potentiometer P1, 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 signal generation means 13 of FIG. 1 include, in FIG. 5, a transistor T2 of an amplifier circuit connected to the base B1 of the transistor T1 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 D1 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 light and sound tops emitting circuits are in series between terminal 12 of power supply V and the collector of transistor T2 when a selector S2, constituted by a three-position switch, is in its intermediate position.
  • a selector S2 constituted by a three-position switch
  • the signal emitting circuit is directly connected between terminal 12 and the collector of transistor T2 and the loudspeaker can emit audio signals.
  • position 2 of selector S2 the light emitting signal circuit is directly connected between terminal 12 and the collector of transistor T2 and the diode can emit light emitting signals.
  • the remote control 14 comprises the pedal of FIG. 1 connected to earth by contact of two female and male jack plugs J1 and J2 and engagement of the pedal.
  • 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 switching on the supply voltage of the device.
  • the potentiometer P2 makes it possible to adjust the sound volume of the loudspeaker without significantly influencing the light intensity of the diode D1 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 example 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.
  • an oscillator circuit shown in Figure 6 the electrical wire connection is replaced by a wireless link and the directly triggered oscillator is replaced by a high frequency quartz oscillator whose following stages are triggered by the remote control.
  • the pedal remote control 14 of Figures 1 to 5 is connected to the electronic circuit of the metronome by an E-R transceiver system 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.
  • circuit 21 The output of circuit 21 is connected to an amplifier 23 of loudspeaker HP whose sound volume is adjusted by means 24.
  • the loudspeaker circuit HP is connected in addition to a diode circuit D1 and to a selector S2 so that one and / or the other circuit can be connected to emit audible and / or light signals.

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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)
  • Catching Or Destruction (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
EP81400778A 1980-05-22 1981-05-18 Métronome électronique Expired EP0041009B1 (fr)

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 EP0041009A1 (fr) 1981-12-02
EP0041009B1 true EP0041009B1 (fr) 1985-04-24

Family

ID=9242245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81400778A Expired EP0041009B1 (fr) 1980-05-22 1981-05-18 Métronome électronique

Country Status (7)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES509597A0 (es) * 1982-02-15 1983-06-01 Lopez Amaro Jose Albe Metodo y dispositivo para la correccion de las arritmias de tratamiento y tartadeo.
US4768249A (en) * 1985-12-30 1988-09-06 Ssi Medical Services, Inc. Patient support structure
FR2616239B1 (fr) * 1987-06-04 1990-10-26 Rechem Fabrice Van Dispositif pour afficher une vitesse metronomique et pour moduler la frequence du signal sonore produit
FR2677778B1 (fr) * 1991-06-17 1996-01-05 Mu Technologies Dispositif de saisie de la structure musicale et de visualisation du temps musical sur une partition.
US5447089A (en) * 1993-04-27 1995-09-05 Marrash; James G. Electronic metronome with variable tempo control
WO2004014226A1 (en) 2002-08-09 2004-02-19 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

Family Cites Families (12)

* 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 (enrdf_load_stackoverflow) * 1971-11-26 1973-07-06 Cit Alcatel
US4018131A (en) * 1975-05-27 1977-04-19 Cannon Robert L Electronic metronome
JPS5840759B2 (ja) * 1975-11-29 1983-09-07 ヤマハ株式会社 ジドウリズムエンソウソウチ
DE2608043A1 (de) * 1976-02-27 1977-09-01 Wittner Rudolf Elektronisches metronom
JPS5322881A (en) * 1976-08-13 1978-03-02 Seiko Instr & Electronics Ltd Liquid crystal composition
US4141273A (en) * 1978-01-16 1979-02-27 Benjamin Austin Music learning aid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELEKTOR, vol. 4, no. 7/8, juillet/août 1978 Canterbury, GB B.V.D. KLUGT: "Metronome", pages 7-10 *

Also Published As

Publication number Publication date
ES502380A0 (es) 1982-04-01
FR2483098B1 (enrdf_load_stackoverflow) 1983-05-13
DE3170097D1 (en) 1985-05-30
JPS5717887A (en) 1982-01-29
ES8204185A1 (es) 1982-04-01
US4462297A (en) 1984-07-31
FR2483098A1 (fr) 1981-11-27
ATE12990T1 (de) 1985-05-15
EP0041009A1 (fr) 1981-12-02

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