AT335532B - Ultraschallsender zur fernbedienung von rundfunk- und fernsehgeraten - Google Patents

Ultraschallsender zur fernbedienung von rundfunk- und fernsehgeraten

Info

Publication number
AT335532B
AT335532B AT484074A AT484074A AT335532B AT 335532 B AT335532 B AT 335532B AT 484074 A AT484074 A AT 484074A AT 484074 A AT484074 A AT 484074A AT 335532 B AT335532 B AT 335532B
Authority
AT
Austria
Prior art keywords
radio
remote control
ultrasonic transmitter
television sets
television
Prior art date
Application number
AT484074A
Other languages
English (en)
Other versions
ATA484074A (de
Original Assignee
Int Standard Electric Corp
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 by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ATA484074A publication Critical patent/ATA484074A/de
Application granted granted Critical
Publication of AT335532B publication Critical patent/AT335532B/de

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)
  • Details Of Television Systems (AREA)
  • Transducers For Ultrasonic Waves (AREA)
AT484074A 1973-06-12 1974-06-12 Ultraschallsender zur fernbedienung von rundfunk- und fernsehgeraten AT335532B (de)

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 (2)

Publication Number Publication Date
ATA484074A ATA484074A (de) 1976-07-15
AT335532B true AT335532B (de) 1977-03-10

Family

ID=5883699

Family Applications (1)

Application Number Title Priority Date Filing Date
AT484074A AT335532B (de) 1973-06-12 1974-06-12 Ultraschallsender zur fernbedienung von rundfunk- und fernsehgeraten

Country Status (5)

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

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
BE816199R (fr) 1974-12-12
US3938142A (en) 1976-02-10
FR2241941B3 (de) 1977-04-15
AU6962774A (en) 1975-12-04
GB1472451A (en) 1977-05-04
ATA484074A (de) 1976-07-15
FR2241941A1 (fr) 1975-03-21

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee