DE20114680U1 - Projection screen for moving or still pictures, comprises glass pane with sound generator forming glass loudspeaker - Google Patents

Projection screen for moving or still pictures, comprises glass pane with sound generator forming glass loudspeaker

Info

Publication number
DE20114680U1
DE20114680U1 DE20114680U DE20114680U DE20114680U1 DE 20114680 U1 DE20114680 U1 DE 20114680U1 DE 20114680 U DE20114680 U DE 20114680U DE 20114680 U DE20114680 U DE 20114680U DE 20114680 U1 DE20114680 U1 DE 20114680U1
Authority
DE
Germany
Prior art keywords
projection screen
glass
screen according
pane
loudspeaker
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 - Lifetime
Application number
DE20114680U
Other languages
German (de)
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.)
G & B Pronova GmbH
Original Assignee
G & B Pronova GmbH
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 G & B Pronova GmbH filed Critical G & B Pronova GmbH
Priority to DE20114680U priority Critical patent/DE20114680U1/en
Publication of DE20114680U1 publication Critical patent/DE20114680U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/01—Acoustic transducers using travelling bending waves to generate or detect sound
    • 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
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Holo Graphy (AREA)

Abstract

The screen has at least one pane of glass having a projection surface (13) for making projected images visible. At least one pane of glass is provided with a sound generator to form a glass loudspeaker. The pane may be provided at lease with local reinforcement. The sound generator may be arranged behind through-holes in the panes of glass.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (9)

1. Projektionsschirm mit mindestens einer Glasscheibe (15, 16), die eine Projektionsfläche (13) zum Sichtbarmachen proji­ zierter Bilder aufweist, dadurch gekennzeichnet, dass die mindestens eine Glasscheibe (15, 16) mit einem Schallerreger (17) versehen ist und zusammen mit diesem einen Glaslautsprecher (14) bildet.1. Projection screen with at least one glass pane ( 15 , 16 ) which has a projection surface ( 13 ) for making projected images visible, characterized in that the at least one glass pane ( 15 , 16 ) is provided with a sound exciter ( 17 ) and together with this forms a glass speaker ( 14 ). 2. Projektionsschirm nach Anspruch 1, dadurch gekennzeichnet, dass die Projektionsfläche (13) mindestens zwei Scheiben (15, 16) aufweist, und dass im Bereich des Glaslautsprechers (14) nur eine Scheibe (15) vorgesehen ist.2. Projection screen according to claim 1, characterized in that the projection surface ( 13 ) has at least two panes ( 15 , 16 ), and that only one pane ( 15 ) is provided in the region of the glass loudspeaker ( 14 ). 3. Projektionsschirm nach Anspruch 2, dadurch gekennzeichnet, dass die Scheibe (15) des Glaslautsprechers (14) mit min­ destens einer örtlichen Verstärkung versehen ist.3. Projection screen according to claim 2, characterized in that the pane ( 15 ) of the glass loudspeaker ( 14 ) is provided with at least one local reinforcement. 4. Projektionsschirm nach Anspruch 3, dadurch gekennzeichnet, dass die Verstärkung aus einer geschlossenen oder unter­ brochenen Randeinfassung (18) besteht.4. Projection screen according to claim 3, characterized in that the reinforcement consists of a closed or broken edge border ( 18 ). 5. Projektionsschirm nach Anspruch 3 oder 4, dadurch gekenn­ zeichnet, dass die Verstärkung aus mindestens einer insu­ lären Masse (20) besteht.5. Projection screen according to claim 3 or 4, characterized in that the reinforcement consists of at least one insu mass ( 20 ). 6. Projektionsschirm nach einem der Ansprüche 1-5, dadurch ge­ kennzeichnet, dass die Projektionsfläche (13) mindestens zwei Scheiben (15, 16) aufweist und dass für den Glaslaut­ sprecher (14) ein beide Scheiben durchdringendes Loch (22) vorgesehen ist, hinter dem der Schallerreger (17) ange­ ordnet ist und auf die rückwärtige Scheibe (16) einwirkt. 6. Projection screen according to one of claims 1-5, characterized in that the projection surface ( 13 ) has at least two panes ( 15 , 16 ) and that for the glass loudspeaker ( 14 ) a hole ( 22 ) penetrating both panes is provided, behind which the sound exciter ( 17 ) is arranged and acts on the rear window ( 16 ). 7. Projektionsschirm nach Anspruch 6, dadurch gekennzeichnet, dass eine Spule (24) des Schallerregers (17) mit der rück­ wärtigen Scheibe (16) verbunden ist und ein Permanentmagnet (23) des Schallerregers mindestens teilweise das Loch (22) bedeckt.7. Projection screen according to claim 6, characterized in that a coil ( 24 ) of the sound exciter ( 17 ) with the rear-facing disc ( 16 ) is connected and a permanent magnet ( 23 ) of the sound exciter at least partially covers the hole ( 22 ). 8. Projektionsschirm nach einem der Ansprüche 1-5, dadurch ge­ kennzeichnet, dass die Projektionsfläche (13) mindestens zwei Scheiben (15, 16) aufweist und dass der Schallerreger (17) hinter den mindestens zwei Scheiben angeordnet ist, die an dieser Stelle ungelocht sind.8. Projection screen according to one of claims 1-5, characterized in that the projection surface ( 13 ) has at least two panes ( 15 , 16 ) and that the sound exciter ( 17 ) is arranged behind the at least two panes, which are not perforated at this point are. 9. Projektionsschirm nach einem der Ansprüche 1-8, dadurch ge­ kennzeichnet, dass die Projektionsfläche (13) zahlreiche holographisch-optische Elemente aufweist.9. Projection screen according to one of claims 1-8, characterized in that the projection surface ( 13 ) has numerous holographic-optical elements.
DE20114680U 2001-09-06 2001-09-06 Projection screen for moving or still pictures, comprises glass pane with sound generator forming glass loudspeaker Expired - Lifetime DE20114680U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20114680U DE20114680U1 (en) 2001-09-06 2001-09-06 Projection screen for moving or still pictures, comprises glass pane with sound generator forming glass loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20114680U DE20114680U1 (en) 2001-09-06 2001-09-06 Projection screen for moving or still pictures, comprises glass pane with sound generator forming glass loudspeaker

Publications (1)

Publication Number Publication Date
DE20114680U1 true DE20114680U1 (en) 2003-01-16

Family

ID=7961368

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20114680U Expired - Lifetime DE20114680U1 (en) 2001-09-06 2001-09-06 Projection screen for moving or still pictures, comprises glass pane with sound generator forming glass loudspeaker

Country Status (1)

Country Link
DE (1) DE20114680U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005027389A1 (en) * 2005-05-03 2006-11-09 Puren Gmbh The image projection device
DE202011000717U1 (en) 2011-03-29 2011-07-12 Glas-Hetterich Gmbh Panel loudspeaker

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH128778A (en) * 1926-11-27 1928-11-16 British Consolidated Investmen Projection screen for talking cinema.
US1923072A (en) * 1929-04-13 1933-08-22 Trans Lux Daylight Picture Sound reproducing device
EP0361249A1 (en) * 1988-09-26 1990-04-04 E W D Electronic-Werke Deutschland Gmbh Sound reproduction set for screens
WO1997009853A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Of Stonehill Display screens incorporating loudspeakers
DE19704741A1 (en) * 1997-02-13 1998-08-20 Daimler Benz Ag Holographic screen with integrated speckle suppression
EP1016901A2 (en) * 1998-12-29 2000-07-05 Harman Audio Electronic Systems GmbH Image reproduction device with projection screen for back-projection and sound emission

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH128778A (en) * 1926-11-27 1928-11-16 British Consolidated Investmen Projection screen for talking cinema.
US1923072A (en) * 1929-04-13 1933-08-22 Trans Lux Daylight Picture Sound reproducing device
EP0361249A1 (en) * 1988-09-26 1990-04-04 E W D Electronic-Werke Deutschland Gmbh Sound reproduction set for screens
WO1997009853A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Of Stonehill Display screens incorporating loudspeakers
DE19704741A1 (en) * 1997-02-13 1998-08-20 Daimler Benz Ag Holographic screen with integrated speckle suppression
EP1016901A2 (en) * 1998-12-29 2000-07-05 Harman Audio Electronic Systems GmbH Image reproduction device with projection screen for back-projection and sound emission

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
04355744 A *
09034015 A *
10171022 A *
59183581 A *
JP Patent Abstracts of Japan *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005027389A1 (en) * 2005-05-03 2006-11-09 Puren Gmbh The image projection device
DE202011000717U1 (en) 2011-03-29 2011-07-12 Glas-Hetterich Gmbh Panel loudspeaker

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20030220

R156 Lapse of ip right after 3 years

Effective date: 20050401