NL294443A - - Google Patents

Info

Publication number
NL294443A
NL294443A NL294443DA NL294443A NL 294443 A NL294443 A NL 294443A NL 294443D A NL294443D A NL 294443DA NL 294443 A NL294443 A NL 294443A
Authority
NL
Netherlands
Application number
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.)
Publication of NL294443A publication Critical patent/NL294443A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
NL294443D 1963-06-21 NL294443A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL294443 1963-06-21
NL298464 1963-09-26

Publications (1)

Publication Number Publication Date
NL294443A true NL294443A (enrdf_load_stackoverflow)

Family

ID=26641913

Family Applications (2)

Application Number Title Priority Date Filing Date
NL294443D NL294443A (enrdf_load_stackoverflow) 1963-06-21
NL298464D NL298464A (enrdf_load_stackoverflow) 1963-06-21

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL298464D NL298464A (enrdf_load_stackoverflow) 1963-06-21

Country Status (11)

Country Link
US (1) US3334184A (enrdf_load_stackoverflow)
AT (1) AT247437B (enrdf_load_stackoverflow)
BE (1) BE649606A (enrdf_load_stackoverflow)
CH (1) CH434372A (enrdf_load_stackoverflow)
DE (1) DE1268680B (enrdf_load_stackoverflow)
DK (1) DK117642B (enrdf_load_stackoverflow)
ES (1) ES301214A1 (enrdf_load_stackoverflow)
FR (1) FR1401643A (enrdf_load_stackoverflow)
GB (1) GB1016115A (enrdf_load_stackoverflow)
NL (2) NL298464A (enrdf_load_stackoverflow)
SE (1) SE301503B (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937887A (en) * 1969-05-15 1976-02-10 Ben O. Key Acoustic power system
NL7308103A (enrdf_load_stackoverflow) * 1973-06-12 1974-12-16
DE2420689C3 (de) * 1974-04-29 1984-09-20 Arndt 7500 Karlsruhe Klingelnberg Verfahren und Anordnung zur Verbesserung der Eigenschaften elektrodynamischer Wandler durch Bewegungsgegenkopplung
DE2658528A1 (de) * 1976-12-23 1978-06-29 Siemens Ag Vorrichtung zur galvanomagnetischen lagerueckmeldung fuer elektrodynamische antriebe
US4327250A (en) * 1979-05-03 1982-04-27 Electro Audio Dynamics Inc. Dynamic speaker equalizer
NO172469C (no) * 1984-01-25 1993-07-21 Per Kirksaeter Anordning for lydgjengivelsessystem
US4809338A (en) * 1985-07-05 1989-02-28 Harman International Industries, Incorporated Automotive sound system
US4759065A (en) * 1986-09-22 1988-07-19 Harman International Industries, Incorporated Automotive sound system
GB2201318B (en) * 1987-02-12 1990-10-24 Udi Group Ltd Electromechanical transducer
DE3707620A1 (de) * 1987-03-10 1987-10-15 Ultrasonics Schallfeld Messtec Beschleunigungssensor fuer dynamische lautsprecher
GB2260875B (en) * 1991-10-23 1995-06-28 Anthony Best Dynamics Ltd Noise source
US5471527A (en) * 1993-12-02 1995-11-28 Dsc Communications Corporation Voice enhancement system and method
US5493620A (en) * 1993-12-20 1996-02-20 Pulfrey; Robert E. High fidelity sound reproducing system
US9084051B2 (en) * 2011-02-18 2015-07-14 The Rockefeller University Unidirectional mechanical amplification in a microphone
GB202314915D0 (en) 2023-09-28 2023-11-15 Pss Belgium Nv Loudspeaker module and system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE451710A (enrdf_load_stackoverflow) * 1942-08-14
US2860183A (en) * 1954-02-01 1958-11-11 Conrad Ivan Willard Sound reproducing system
US3009991A (en) * 1955-12-01 1961-11-21 Bekey Ivan Sound reproduction system
US2948778A (en) * 1956-05-07 1960-08-09 Warner W Clements Sound reproducing means

Also Published As

Publication number Publication date
FR1401643A (fr) 1965-06-04
BE649606A (enrdf_load_stackoverflow) 1964-12-22
AT247437B (de) 1966-06-10
SE301503B (enrdf_load_stackoverflow) 1968-06-10
NL298464A (enrdf_load_stackoverflow)
ES301214A1 (es) 1965-01-16
DE1268680B (de) 1968-05-22
GB1016115A (en) 1966-01-05
US3334184A (en) 1967-08-01
DK117642B (da) 1970-05-19
CH434372A (de) 1967-04-30

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