BE816199R - Methode et circuit pour la commande d'un emetteur de signaux de commande pour des dispositifs de commande a distance - Google Patents

Methode et circuit pour la commande d'un emetteur de signaux de commande pour des dispositifs de commande a distance

Info

Publication number
BE816199R
BE816199R BE2053678A BE2053678A BE816199R BE 816199 R BE816199 R BE 816199R BE 2053678 A BE2053678 A BE 2053678A BE 2053678 A BE2053678 A BE 2053678A BE 816199 R BE816199 R BE 816199R
Authority
BE
Belgium
Prior art keywords
control
transmitter
circuit
devices
signals
Prior art date
Application number
BE2053678A
Other languages
English (en)
Inventor
W Schroder
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
Priority claimed from DE19732329740 external-priority patent/DE2329740C3/de
Application filed filed Critical
Application granted granted Critical
Publication of BE816199R publication Critical patent/BE816199R/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0269—Driving circuits for generating signals continuous in time for generating multiple frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J9/00—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification
    • H03J9/04—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification using ultrasonic, sonic or infrasonic waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Details Of Television Systems (AREA)
BE2053678A 1973-06-12 1974-06-12 Methode et circuit pour la commande d'un emetteur de signaux de commande pour des dispositifs de commande a distance BE816199R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732329740 DE2329740C3 (de) 1973-06-12 1973-06-12 Ultraschallsender zur Fernbedienung von Rundfunk- und Fernsehgeräten

Publications (1)

Publication Number Publication Date
BE816199R true BE816199R (fr) 1974-12-12

Family

ID=5883699

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053678A BE816199R (fr) 1973-06-12 1974-06-12 Methode et circuit pour la commande d'un emetteur de signaux de commande pour des dispositifs de commande a distance

Country Status (5)

Country Link
US (1) US3938142A (fr)
AT (1) AT335532B (fr)
BE (1) BE816199R (fr)
FR (1) FR2241941A1 (fr)
GB (1) GB1472451A (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009099A (en) * 1957-05-09 1961-11-14 Schiffmann Gmbh Alois Testing instrument for electric alternating voltages
US3103664A (en) * 1958-10-10 1963-09-10 Packard Bell Electronics Corp Remotely controlled apparatus
US3180199A (en) * 1963-06-03 1965-04-27 John R Anderson Electronic tuner for musical instruments
US3430230A (en) * 1965-10-01 1969-02-25 Atomic Energy Commission Annunciator circuit
US3440648A (en) * 1968-05-09 1969-04-22 Mallory & Co Inc P R Integrated-circuit amplifier and oscillator
US3603985A (en) * 1969-05-20 1971-09-07 Norman S Goralnick Siren-horn circuitry
US3678392A (en) * 1970-10-12 1972-07-18 Whirlpool Co Tv remote control system
GB1376433A (en) * 1970-11-07 1974-12-04 Absalom R R Electric sound-producing device
US3747108A (en) * 1971-09-07 1973-07-17 Prod Inc A Remote control system

Also Published As

Publication number Publication date
FR2241941A1 (fr) 1975-03-21
US3938142A (en) 1976-02-10
AU6962774A (en) 1975-12-04
AT335532B (de) 1977-03-10
GB1472451A (en) 1977-05-04
ATA484074A (de) 1976-07-15
FR2241941B3 (fr) 1977-04-15

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