FR2628281B1 - Haut-parleur et plaque de modulation d'onde acoustique avec configuration en accordeon - Google Patents

Haut-parleur et plaque de modulation d'onde acoustique avec configuration en accordeon

Info

Publication number
FR2628281B1
FR2628281B1 FR8802546A FR8802546A FR2628281B1 FR 2628281 B1 FR2628281 B1 FR 2628281B1 FR 8802546 A FR8802546 A FR 8802546A FR 8802546 A FR8802546 A FR 8802546A FR 2628281 B1 FR2628281 B1 FR 2628281B1
Authority
FR
France
Prior art keywords
loudspeaker
acoustic wave
wave modulation
modulation plate
accordion configuration
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 - Fee Related
Application number
FR8802546A
Other languages
English (en)
French (fr)
Other versions
FR2628281A1 (fr
Inventor
Jimmy Fang
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.)
TSUNG HOU FEI PETER
Original Assignee
TSUNG HOU FEI PETER
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 TSUNG HOU FEI PETER filed Critical TSUNG HOU FEI PETER
Publication of FR2628281A1 publication Critical patent/FR2628281A1/fr
Application granted granted Critical
Publication of FR2628281B1 publication Critical patent/FR2628281B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H04N5/40—Modulation circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Television Systems (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Amplitude Modulation (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR8802546A 1988-03-08 1988-03-01 Haut-parleur et plaque de modulation d'onde acoustique avec configuration en accordeon Expired - Fee Related FR2628281B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883807472 DE3807472C1 (enrdf_load_stackoverflow) 1988-03-08 1988-03-08

Publications (2)

Publication Number Publication Date
FR2628281A1 FR2628281A1 (fr) 1989-09-08
FR2628281B1 true FR2628281B1 (fr) 1990-07-27

Family

ID=6349094

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8802546A Expired - Fee Related FR2628281B1 (fr) 1988-03-08 1988-03-01 Haut-parleur et plaque de modulation d'onde acoustique avec configuration en accordeon

Country Status (4)

Country Link
DE (1) DE3807472C1 (enrdf_load_stackoverflow)
FR (1) FR2628281B1 (enrdf_load_stackoverflow)
GB (2) GB1456501A (enrdf_load_stackoverflow)
SE (1) SE466982B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519001A (en) * 1981-10-27 1985-05-21 Ampex Corporation Apparatus for providing dropout compensation and error concealment in a PAL format video information signal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB501152A (en) * 1937-09-20 1939-02-22 Gen Electric Co Ltd Improvements in loud speakers
NL282835A (enrdf_load_stackoverflow) * 1963-01-22
US3909530A (en) * 1974-01-07 1975-09-30 Federal Sign And Signal Corp Loudspeaker with shallow re-entrant grille-like horn
US3995125A (en) * 1975-06-30 1976-11-30 Wheelock Signals, Inc. Protective grille
US3989909A (en) * 1975-09-15 1976-11-02 General Electric Company Grill for audio loudspeakers and the like
FR2363255A1 (fr) * 1976-08-27 1978-03-24 Bose Corp Haut-parleur et procede de fabrication
US4439644A (en) * 1981-11-24 1984-03-27 Edmund M. Jaskiewicz Loud speaker enclosure
DE8628254U1 (de) * 1986-10-23 1987-11-26 Linke, Heinrich, 2000 Hamburg Einsatzteil für Lautsprecherboxen zum Erzielen eines schwingungsarmen Gehäuses

Also Published As

Publication number Publication date
DE3807472C1 (enrdf_load_stackoverflow) 1989-06-08
SE466982B (sv) 1992-05-04
SE8800430L (sv) 1989-08-11
SE8800430D0 (sv) 1988-02-10
GB2215164B (en) 1992-03-18
GB2215164A (en) 1989-09-13
GB1456501A (en) 1976-11-24
GB8802815D0 (en) 1988-03-09
FR2628281A1 (fr) 1989-09-08

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Legal Events

Date Code Title Description
ST Notification of lapse