CH434372A - Speaker device - Google Patents

Speaker device

Info

Publication number
CH434372A
CH434372A CH801164A CH801164A CH434372A CH 434372 A CH434372 A CH 434372A CH 801164 A CH801164 A CH 801164A CH 801164 A CH801164 A CH 801164A CH 434372 A CH434372 A CH 434372A
Authority
CH
Switzerland
Prior art keywords
speaker device
speaker
Prior art date
Application number
CH801164A
Other languages
German (de)
Inventor
Hendrik De Koning Stephanus
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH434372A publication Critical patent/CH434372A/en

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)
CH801164A 1963-06-21 1964-06-18 Speaker device CH434372A (en)

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
CH434372A true CH434372A (en) 1967-04-30

Family

ID=26641913

Family Applications (1)

Application Number Title Priority Date Filing Date
CH801164A CH434372A (en) 1963-06-21 1964-06-18 Speaker device

Country Status (11)

Country Link
US (1) US3334184A (en)
AT (1) AT247437B (en)
BE (1) BE649606A (en)
CH (1) CH434372A (en)
DE (1) DE1268680B (en)
DK (1) DK117642B (en)
ES (1) ES301214A1 (en)
FR (1) FR1401643A (en)
GB (1) GB1016115A (en)
NL (2) NL294443A (en)
SE (1) SE301503B (en)

Families Citing this family (14)

* 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 (en) * 1973-06-12 1974-12-16
DE2420689C3 (en) * 1974-04-29 1984-09-20 Arndt 7500 Karlsruhe Klingelnberg Method and arrangement for improving the properties of electrodynamic transducers by means of negative motion
DE2658528A1 (en) * 1976-12-23 1978-06-29 Siemens Ag DEVICE FOR GALVANOMAGNETIC POSITION REPORTING FOR ELECTRODYNAMIC DRIVES
US4327250A (en) * 1979-05-03 1982-04-27 Electro Audio Dynamics Inc. Dynamic speaker equalizer
NO172469C (en) * 1984-01-25 1993-07-21 Per Kirksaeter SOUND REPLACEMENT SYSTEM
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 (en) * 1987-03-10 1987-10-15 Ultrasonics Schallfeld Messtec Acceleration sensor for dynamic loudspeakers
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE451710A (en) * 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 (en) 1965-06-04
GB1016115A (en) 1966-01-05
AT247437B (en) 1966-06-10
BE649606A (en) 1964-12-22
NL294443A (en)
DE1268680B (en) 1968-05-22
ES301214A1 (en) 1965-01-16
NL298464A (en)
SE301503B (en) 1968-06-10
DK117642B (en) 1970-05-19
US3334184A (en) 1967-08-01

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