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KR19990037724A - 인사카드 및 그 유사카드 - Google Patents

인사카드 및 그 유사카드 Download PDF

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Publication number
KR19990037724A
KR19990037724A KR1019980701203A KR19980701203A KR19990037724A KR 19990037724 A KR19990037724 A KR 19990037724A KR 1019980701203 A KR1019980701203 A KR 1019980701203A KR 19980701203 A KR19980701203 A KR 19980701203A KR 19990037724 A KR19990037724 A KR 19990037724A
Authority
KR
South Korea
Prior art keywords
card
greeting
board
panel
cards
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.)
Ceased
Application number
KR1019980701203A
Other languages
English (en)
Inventor
헨리 에이지마
마틴 콜롬스
네일 헤리스
Original Assignee
헨리 에이지마
뉴 트랜스듀서스 리미티드
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 GBGB9517918.0A external-priority patent/GB9517918D0/en
Priority claimed from GBGB9522281.6A external-priority patent/GB9522281D0/en
Priority claimed from GBGB9606836.6A external-priority patent/GB9606836D0/en
Application filed by 헨리 에이지마, 뉴 트랜스듀서스 리미티드 filed Critical 헨리 에이지마
Publication of KR19990037724A publication Critical patent/KR19990037724A/ko
Ceased legal-status Critical Current

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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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/08—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
    • B42D15/022—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets combined with permanently fastened sound-producing or light-emitting means or carrying sound records
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
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    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G06F1/1605—Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones
    • G—PHYSICS
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    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1624—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with sliding enclosures, e.g. sliding keyboard or display
    • G—PHYSICS
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    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1688—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being integrated loudspeakers
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    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/02—Arrangements for program control, e.g. control units using wired connections, e.g. plugboards
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F9/00—Details other than those peculiar to special kinds or types of apparatus
    • G07F9/02—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • H—ELECTRICITY
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    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
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    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • H—ELECTRICITY
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    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
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    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
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    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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    • 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
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    • H—ELECTRICITY
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    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
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    • H—ELECTRICITY
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    • H04N5/642—Disposition of sound reproducers
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    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

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  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Software Systems (AREA)
  • Mechanical Engineering (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Credit Cards Or The Like (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

본 발명은 카드의 적어도 한면을 이루는 보드를 구비한 인사카드 및 그 유사카드에 관한 것으로, 특히 상기 보드가 라디에이터의 공진을 유발하기 위해, 상기 라디에이터를 진동시키도록 그 위에 전체적으로 그리고 전면적으로 부착된 트랜스듀서를 갖춘 분산 모드 음향 라디에이터인 것을 특징으로 하는 인사카드 및 그 유사카드에 관한 것이다.

Description

인사카드 및 그 유사카드
본 발명은 인사카드 및 그 유사카드에 관한 것이다.
공지의 영국 특허 공보 GB-A-2262861 에 개시된 패널형 라우드스피커(loudspeaker)는, 관통성 셀룰라 구조의 공간 코아를 갖는 2 종류의 표피부 재료로 형성된 단일 샌드위치형 패널인 공진성 멀티-모드 라디에이터 소자와,
진동 감쇠가 없는 자유로운 방식으로 상기 패널을 지지하거나 자체에 지지체가 부착된 탑재 수단과,
라우드스피커용의 동작 주파수대에서 전기적 입력에 응답하여 상기 라디에이터 패널내에 멀티-모드식 공진을 유발하는 역할을 하는 패널에 결합된 전기-기계식 구동 수단을 구비하며,
상기 패널은 모든 방향에 대해 단위 표면적(μ) 당 패널 매스의 큐브 전력에 대한 휨 강성 (B) 비가 적어도 10 이 되도록 되어 있는 것을 특징으로 한다.
도 1 은 당사에서 출원하여 계류중인 국제 출원(당사 사건 P.5711)에서 기술되어 청구된 분산모드 라우드스피커를 도시한 다이어그램.
도 2a는 도 1 의 선 A-A상의 부분 단면도.
도 2b는 도 2a 나타낸 종류의 분산모드 라디에이터의 확대 단면도로, 2가지의 다른 구성을 도시한 단면도.
도 3 은 본 발명에 의한 인사카드의 실시예를 도시한 투시도.
도 4 는 트랜스듀서의 투시도.
본 발명의 실시예는 자연의 부재를 사용하며, 그 구조 및 구성은 일반적으로 또는 특별히 본건과 동일 날짜로 출원되어 계류중인 당사의 PCT 출원 (당사 사건번호 P.5711) 의 발명을 사용하여 획득할 수 있다. 따라서, 이러한 부재는, 부재의 에지부로는 가끔씩만 연장되고 사실상 두께 방향으로 가로지르며 연장되어있는 동작 영역내에, 벤딩파(bending wave)로 입력되는 진동 에너지에 대한 내구력과 전달 능력이 있으며; 주위의 공기와 결합되는 음향에 유익한 역할을 하는 상기 영역 전체에 분포된 공진모드 진동성분을 포함하기 위해 이방성 휨 강성과 무관하도록 구성되고; 상기 영역내의 음향 진동 활동 및 이러한 진동 활동인 음향 정보에 대응하는 신호 (일반적으로 전기 신호) 에 관련되어 효과가 발생되는 트랜스듀서 수단, 특히 동작적으로 이 트랜스듀서의 활성부 또는 이동부를 위하여 상기 영역내에 기결정되어 선택되는 위치 또는 자리를 갖게 된다. 본건과 동일 날짜로 출원되어 계류중인 당사의 PCT 출원 (당사 파일 P.5711) 에는 트랜스듀서 수단을 갖추지 않은 수동 음향 소자 (예를들면 반향용, 또는 음향 여과용, 또는 음향학적으로 공간 또는 실내에 음성을 전달시키는 소자) 로써 또는 수동 음향 소자내에 이러한 부재의 사용예가 개시되어 있으며; 트랜스듀서 수단을 갖춘 능동 음향 소자 (예를들면 매우 넓은 범위의 음원 또는 입력 신호가 공급되면 이를 소리로 변환시키는 라우드스피커, 또는 소리를 다른 신호로 변환시키는 마이크로폰) 로써 또는 능동 음향 소자내에 이러한 부재의 사용예가 개시되어 있다.
본 발명은 특히, 예를들면 라우드스피커 형태의 음향소자를 결합한 인사카드 및 그 유사카드에 관한 것이다. 상기한 용어‘인사카드’는 아날로그 카드를 포함할 것이다.
전술한 부재는 여기서 분산 모드 음향 라디에이터로 지칭되며, 상기 PCT출원에서와 같은 특성을 가질 것이며, 만약 그렇지 않으면 본 명세서에서 특별히 그 의미를 제공할 것이다.
본 발명은 인사카드 및 그 유사카드로, 카드의 적어도 일부분을 형성하는 보드(board)로 특징지워지며, 상기 보드는 라디에이터의 공진을 위해 라디에이터를 진동시키도록 상기 라디에이터 상부에 전체적으로 그리고 전면적으로 부착된 트랜스듀서를 갖춘 분산모드 음향 라디에이터이다. 상기 보드는 표피층 사이에 샌드위치된 셀룰라 코어를 갖는 패널일 수 있다. 또한, 상기 보드는 공예보드(craft board)의 시트 사이에 샌드위치된 발포 플라스틱성분의 코어로 이루어질 수 있다.
상기 트랜스듀서는 피에조-전기 밴더(piezo-electric bender)일 수 있다. 상기 밴더는 결정질 요소-예를들면 디스크일 수 있다.
상기 보드는 카드의 한 면(한 장)을 이룰 것이다.
상기 카드는 한쌍의 카드면, 그리고 한 카드면에 대하여 나머지 한 카드면의 이동으로 라디에이터의 트리거동작을 일으키기 위해 상기 카드면들과 결합된 수단을 갖을 것이다.
인사카드 및 그 유사카드는 신호 발생기, 증폭기, 그리고 카드의 한 잎면상의 전기 밧데리를 포함할 것이다.
본 건과 동일 날짜로 출원되어 계류중인 국제출원(당사 사건 번호 P.5711)에서 기술되어 청구된 종류의 패널형 라우드스피커(81)를 도시한 도 1 에 있어서, 패널형 라우드스피커(81)는 탄력성이 있는 서스펜션(3)을 갖는 사각형 프레임(1)을 구비하며, 서스펜션의 내부 주변부를 따라서 분산 모드 소리 방사 패널(2)이 지지된다. 도 4 에 나타나듯, 트랜스듀서(9)는 치수 X, Y 로 표시된 소정의 위치의 패널(9)위에 또는 패널내에 안전하게 탑재되며, 이 위치의 좌표는, 벤딩파를 패널 내부로 진행시킴으로써 패널을 공진시켜 음향 출력을 방사할 수 있도록 하기 위하여, 본 건과 동일 날짜로 출원되어 계류중인 국제 출원(당사 사건 번호 P.5711) 에서 기술된 것처럼 계산된다.
상기 트랜스듀서(9)는 도전체(28)에 의하여 트랜스듀서에 연결된 신호 증폭기 (10), 예를들어 오디오 증폭기에 의하여 구동된다.
도 2a 와 2b 는 도 1 에 도시된 라우드스피커(81)의 부분 단면도이다. 도 2a는 프레임(1)과 서스펜션(3) 및 패널(2)이 각각 접착성 결합의 조인트부(20)에 의하여 서로 연결되어 있음을 나타낸다. 프레임용으로 적당한 재료로는 무게가 가벼운 프레이밍, 예를들어 알루미늄 합금과 같은 압출금속 또는 플라스틱으로 된 화상 프레이밍이 있다. 적당한 서스펜션 재료로는 기포 고무와 발포 플라스틱과 같은 탄성재료가 사용된다. 조인트부(20)로 적당한 접착제로는 에폭시, 아클릴릭, 및 시아노-아클릴레이트 등과 같은 접착제가 있다.
도 2b 에 확대 도시된 바와 같이, 패널(2)은 크로스 결합된 폴리비닐클로라이드와 같은 단단한 발포 플라스틱(97)으로 이루어진 코아(22); 또는 셀룰라 매트릭스 (98) 즉, 금속 호일, 플라스틱 등과 같은 벌집형 매트릭스 코아(22)를 갖는 단단한 경량성 패널이며, 상기 셀은 패널의 평면을 가로질러 연장되고 페이퍼, 카드, 플라스틱, 또는 금속호일 또는 금속시트(sheet) 등으로 이루어진 대향 표피부 (21)로 감싸인다. 표피부가 플라스틱으로 만들어진 경우, 그 자체의 모듈루스 (modulus)를 증가시키기 위하여 공지된 방법에 의하여 표피부는 탄소, 유리, 케블라 (Keblar : RTM) 등과같은 섬유로 보강될 것이다.
그래서, 바람직한 표피층재료 및 보강물질로는 탄소; 유리; 케블라(RTM); 다양한 조직으로 짜여진 아라미드성 섬유인 노멕스 (Nomex : RTM) 외에도 페이퍼; 본딩 페이퍼 라미네이트; 멜라민; 및 밀라 (Mylar : RTM), 캡탄 (Kaptan : RTM), 폴리카보네이트, 페놀릭, 폴리에스테르 또는 관련 플라스틱, 및 섬유로 보강된 플라스틱 등과같이 모듈루스(modulus)가 높은 합성 플라스틱 필름; 및 금속 시트 또는 금속호일이 사용된다. 벡트라 (Vectra) 등급의 액정 폴리머 열경화성 재료의 연구에 따르면, 이들 재료를 사용하여 직경 30cm 의 둘레까지 초박형 표피부 또는 이보다 더 작은 두께의 셀(shell)을 형성하기 위한 주입 몰딩이 가능함을 알 수 있다. 이 재료 자체는 주입방향에 대해 방향성 격자구조를 이루며, 3중 에너지의 양호한 전달을 위해 바람직한 방향은 구동점으로부터 패널 주변부쪽이 된다.
바람직한 코아층 재료로는 인조벌집 또는 골이 형성되어 있는 알루미늄 합금시트 또는 호일; 또는 케블라 (RTM), 노멕스 (RTM), 평평하거나 본딩되어있는 페이퍼 및 다양한 합성 플라스틱 필름외에도, 발포 플라스틱 또는 펄프 재료와, 적당한 저밀도의 애어로젤 금속도 가능하다. 바람직한 몇몇 코아층 재료들은 제조시 이미 사용가능한 표피층 성질을 나타내며, 그렇지 않은 경우에도 표피층간 적층없이도 사용가능한 만큼의 충분한 잠재적 견고성을 유지한다. 상표명 "Rohacell"로 알려진 고성능 셀룰라 코아 재료는 라디에이타 패널로 적합하며, 표피부가 없다. 사실상, 본 목적은 소정의 목적에 적합하도록 전체적 경량성과 견고성을 갖으며, 특히 코아 및 표피층의 기여도를 최적화하고 이들(코아 및 표피층)간의 전이를 포함한다.
상기 서스펜션(3)은 패널(2) 에지부가 심하게 움직이는 것을 방지하기 위해 패널 에지부의 진동을 감쇠시킨다. 추가용 또는 대체용으로, 또 다른 진동 감쇠재, 예를들어 패치(patch)를 패널의 선택된 위치에 부착시켜 과도한 움직임을 감쇠시키고 공진현상을 패널 전체에 대하여 균일하게 분산되도록 적용할 수 있다. 상기 패치(patch)는 통상 종래의 라우드스피커의 외관부로 사용되던 역청기 (bitumen-based) 재료로 이루어지거나, 탄력있거나 또는 단단한 폴리메릭 시트 재료로 이루어진다. 몇몇 재료, 특히 페이퍼와 카드 및 소정의 코아는 자체적으로 진동을 감쇠시킨다. 필요에 따라서는, 패널 구성시에 접착제로써 단단하게 고정시키는 것보다 탄력성있게 고정시키는 방식을 채택함으로써 진동감쇠를 증대시킬 수 있다.
사실상 선택 가능한 상기 진동 감쇠재는 패널의 시트재료에 영구적으로 결합되어 특별히 적용할 수도 있다. 에지부와 코너부에서는 패널의 저주파수 진동 모드가 다소 적게 분산된다는 점에서 특히 중요하다. 진동 감쇠재를 에지방향으로 고정시킴으로써, (비록, 그 코너부는 자주 상대적으로 자유로울 수 있지만, 즉, 저주파 동작시에 조금 늘어날 수 있지만) 완전히 프레임된 시트 재료를 갖춘 패널쪽에 유리하게 이끌 수 있다. 연결은 접착성 또는 자체-접착성 재료에 의해 가능하다. 상기 영역중 중간정도의 일부 위치에 시트 재료에 부착된 소정의 매스(mass) 또는 매스들에 의해 다른 형태의 유용한 진동 감쇠, 특히 다소 예민한 효과 및 중간 주파수와 고주파수에 의한 감쇠가 가능하다.
상기한 음향 패널은 양방향성이다. 후면으로부터의 소리 에너지의 위상은 전면으로부터의 소리 에너지의 위상과 큰 연관성이 없다. 결과적으로, 실내에서의 음향 전력과, 균일주파수 분할의 소리 에너지와, 감소된 반사파 및 정재파 효과의 전체합에 이익이 있고, 재생된 소리기록에서 자연공간 및 자연환경을 우수하게 재생할 수 있는 이점이 있다.
음향 패널로부터의 방사는 대개 무방향성이지만, 정보관련 위상비는 축으로부터 멀어질수록 증가한다. 팬텀 스테레오 이미지의 향상된 초점을 위해, 화상과 마찬가지로, 사람이 서있는 정도의 높이에 스피커를 배치하여, 스테레오 효과가 최적인 곳에 보통 자리하는 청취자에게 축으로부터 적정거리만큼 떨어진 곳에 위치를 잡을 수 있도록 하는 이점을 제공한다. 이와 유사하게, 청취자를 기준으로 삼각형 형태의 좌우 배치구조는 또 다른 각도성분을 제공한다. 따라서, 우수한 스테레오를 얻을 수 있다.
청취자들에게는 종래의 스피커 재생과 비교되는 또 다른 장점이 있다. 음향 패널 소리 방사의 본질적인 분산성질은 동일점원에 대한 거리에 대해 역제곱 법칙을 따르지 않는 소리 볼륨을 제공한다. 거리에 따른 강도의 감소가 역제곱 법칙에 의하여 예측되는 것보다 훨씬 작기 때문에, 결과적으로 중앙으로부터 멀리 떨어져 좋지 않은 장소에 위치한 청취자에게 있어서 팬널 스피커의 강도 필드는 종래의 스피커에 비해 더 우수한 스테레오 효과를 나타낸다. 그 이유는 중앙으로부터 멀리 떨어져 있는 청취자가 스피커에 근접함으로써 야기되는 2가지 문제점; 첫째, 근접한 스피커로부터의 큰소리가 과도하게 증가하는 것과, 둘째, 추가적인 라우드스피커로부터의 큰소리가 그에 대응하여 감소한다는 것; 으로부터 벗어날 수 있기 때문이다.
또한, 평탄하고 경량인 패널형 스피커이고, 시각적으로 관심을 끌며, 음질또한 우수하고, 단지 하나의 트랜스듀서만을 필요로 하고, 각 패널 진동판으로부터의 전체범위 소리에 대하여 크로스오버 현상이 없다는 장점이 있다.
도 3 은 도 1 과 도 2 의 라우드스피커 기술을 구체화한 인사카드 및 그 유사카드(144)를 도시한다. 상기 카드는 앞 장(145)과 뒷 장(146)을 갖는 포개어진 부재의 형태를 이룬다. 어쨋든, 상기 뒷 장(146)은 도 1 과 도 2 에 도시된 종류의 단단한 경량의 분산 모드 음향 라디에이터 패널(2) 형태의 기능성 보드(craft board :21)의 표피부에 의해 샌드위치된 발포 플라스틱 코어(22)로 이루어진 합성보드로 만들어진다. 상기 합성보드는 상표명 ‘KAPPABOARD’ 로 알려진다. 유럽 표준 ‘A’종에 따른 형태의 패널이 적당하다고 생각되어 진다.
도 4 에 나타난 바와 같이, 튜랜스듀서(9)는 음향 출력을 내기위해 공진을 유발하도록 상기 패널(2)을 진동시키도록 카드의 뒷 장(146)에 부착된다. 상기 트랜스듀서(9)는 카드가 오픈되었을 때 신호 발생기를 가동시키도록, 상기 카드의 접힌면에 가리워진 스위치(53)에 의해 가동되는 신호 발생기/증폭기/밧데리장치에 의해 구동된다.
이러한 배열에서는 프레임(1)이나 서라운드(3)가 요구되지 않는다는 것이 주목된다. 카드의 충분한 진동감쇠는 카드를 구성하는 재료 및 카드를 지탱하거나 그것을 표면상에 세우는 것에 의해 제공된다.
도 4 는 접착성 본드(20) 등으로 패널(2)의 표면에 접착된, 브레스(brass) 등으로 이루어진 디스크(118)상에 장착된 결정성 디스크형 피에조 밴더(27) 형태의 분산모드 패널(2)용 트랜스듀서(9)를 나타낸다. 음향 신호가 도선(28)을 경유하여 트랜스듀서(9)를 가동시키면, 상기 피에조 디스크(27)를 구부릴 것이며, 그결과 국부적이며 탄성적으로 패널을 변형시켜 패널내에 밴딩파를 진입하게 된다.

Claims (9)

  1. 카드의 적어도 한부분을 형성하는 보드를 구비하며, 상기 보드는 공진 발생을 위해 라디에이타를 진동시키도록 상기 라디에이타에 전체적으로 부착된 트랜스듀서를 갖춘 분산 모드 음향 라디에이타인 것을 특징으로 하는 인사카드 및 그 유사카드.
  2. 제 1 항에 있어서,
    상기 보드는 표피부 사이에 샌드위치된 셀룰러 코어를 갖는 패널인 것을 특징으로 하는 인사카드 및 그 유사카드.
  3. 제 1 또는 제 2 항에 있어서,
    상기 보드는 기능성보드의 시트 사이에 샌드위치된 발포 플라스틱 코어로 이루어지는 것을 특징으로 하는 인사카드 및 그 유사카드.
  4. 제 1 내지 3 항 중 어느 한 항에 있어서,
    상기 트랜스듀서는 피에조-전기 밴더인 것을 특징으로 하는 인사카드 및 그 유사카드.
  5. 제 4 항에 있어서,
    상기 밴더는 결정질체인 것을 특징으로 하는 인사카드 및 그 유사카드.
  6. 제 1 내지 5 항 중 어느 한 항에 있어서,
    상기 보드는 카드의 한 장을 이루는 것을 특징으로 하는 인사카드 및 그 유사카드.
  7. 제 6 항에 있어서,
    상기 카드는 두장의 카드면을 구비하며, 한 카드면에 대하여 나머지 한 카드면의 이동으로 라디에이타의 트리거 동작을 일으키기 위해 상기 카드면들과 결합된 수단을 갖는 것을 특징으로 하는 인사카드 및 그 유사카드.
  8. 제 7 항에 있어서,
    상기 카드면은 신호 발생기, 증폭기 그리고 전기 밧데리를 포함하여 구성되는 것을 특징으로 하는 인사카드 및 그 유사카드.
  9. 제 1 내지 8 항 중 어느 한 항에 있어서,
    상기 보드가 수신 인쇄물에 적용되어진 것을 특징으로 하는 인사카드 및 그 유사카드.
KR1019980701203A 1995-09-02 1996-09-02 인사카드 및 그 유사카드 Ceased KR19990037724A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB9517918.0 1995-09-02
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GB9522281.6 1995-10-31
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
GB9606836.6 1996-03-30

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KR19990037724A true KR19990037724A (ko) 1999-05-25

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KR1019980701301A Ceased KR19990044068A (ko) 1995-09-02 1996-09-02 패널형 마이크로폰
KR1019980701261A Ceased KR19990044029A (ko) 1995-09-02 1996-09-02 포터블 콤팩 디스크 플레이어
KR1019980701260A Abandoned KR19990044028A (ko) 1995-09-02 1996-09-02 퍼서널 컴퓨터
KR1019980701570A Ceased KR19990044330A (ko) 1995-09-02 1996-09-02 패널형 라우드스피커
KR1019980701262A Abandoned KR19990044030A (ko) 1995-09-02 1996-09-02 라우드스피커를 구비하는 악기
KR1019980701405A Ceased KR19990044171A (ko) 1995-09-02 1996-09-02 패널형 음향 방사소자를 구비하는 라우드스피커
KR1019980701264A Ceased KR19990044032A (ko) 1995-09-02 1996-09-02 라우드스피커를 포함한 디스플레이 스크린
KR1019980701204A Ceased KR19990037725A (ko) 1995-09-02 1996-09-02 라우드스피커가 결합된 디스플레이수단
KR1019980701145A Ceased KR19990037668A (ko) 1995-09-02 1996-09-02 패널형 음향 복사 요소들을 포함하는 라우드스피커를 구비하는여객수단
KR1019980701265A Ceased KR19990044033A (ko) 1995-09-02 1996-09-02 패키징
KR1019980701571A Ceased KR19990044331A (ko) 1995-09-02 1996-09-02 라우드 스피커가 통합된 게시판
KR1019980701404A Ceased KR19990044170A (ko) 1995-09-02 1996-09-02 패널형 라우드스피커
KR1019980701299A Ceased KR19990044066A (ko) 1995-09-02 1996-09-02 패널형 음향방사 소자를 구비한 라우드스피커
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KR1019980701203A Ceased KR19990037724A (ko) 1995-09-02 1996-09-02 인사카드 및 그 유사카드
KR10-1998-0701263A Expired - Lifetime KR100443204B1 (ko) 1995-09-02 1996-09-02 관성진동트랜스듀서
KR1019980701020A Ceased KR19990036352A (ko) 1995-09-02 1996-09-02 관성 진동 트랜스듀서
KR1019980701144A Ceased KR19990037667A (ko) 1995-09-02 1996-09-02 진동 트랜스듀서
KR1019980701300A Ceased KR19990044067A (ko) 1995-09-02 1996-09-02 벤딩기계
KR1019980701202A Ceased KR19990037723A (ko) 1995-09-02 1996-09-02 패널형 음향 방사 소자를 구비한 라우드 스피커
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KR1019980701301A Ceased KR19990044068A (ko) 1995-09-02 1996-09-02 패널형 마이크로폰
KR1019980701261A Ceased KR19990044029A (ko) 1995-09-02 1996-09-02 포터블 콤팩 디스크 플레이어
KR1019980701260A Abandoned KR19990044028A (ko) 1995-09-02 1996-09-02 퍼서널 컴퓨터
KR1019980701570A Ceased KR19990044330A (ko) 1995-09-02 1996-09-02 패널형 라우드스피커
KR1019980701262A Abandoned KR19990044030A (ko) 1995-09-02 1996-09-02 라우드스피커를 구비하는 악기
KR1019980701405A Ceased KR19990044171A (ko) 1995-09-02 1996-09-02 패널형 음향 방사소자를 구비하는 라우드스피커
KR1019980701264A Ceased KR19990044032A (ko) 1995-09-02 1996-09-02 라우드스피커를 포함한 디스플레이 스크린
KR1019980701204A Ceased KR19990037725A (ko) 1995-09-02 1996-09-02 라우드스피커가 결합된 디스플레이수단
KR1019980701145A Ceased KR19990037668A (ko) 1995-09-02 1996-09-02 패널형 음향 복사 요소들을 포함하는 라우드스피커를 구비하는여객수단
KR1019980701265A Ceased KR19990044033A (ko) 1995-09-02 1996-09-02 패키징
KR1019980701571A Ceased KR19990044331A (ko) 1995-09-02 1996-09-02 라우드 스피커가 통합된 게시판
KR1019980701404A Ceased KR19990044170A (ko) 1995-09-02 1996-09-02 패널형 라우드스피커
KR1019980701299A Ceased KR19990044066A (ko) 1995-09-02 1996-09-02 패널형 음향방사 소자를 구비한 라우드스피커
KR1019980701205A Ceased KR19990037726A (ko) 1995-09-02 1996-09-02 판넬형 음향 방사소자들로 구성된 라우드스피커

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KR10-1998-0701263A Expired - Lifetime KR100443204B1 (ko) 1995-09-02 1996-09-02 관성진동트랜스듀서
KR1019980701020A Ceased KR19990036352A (ko) 1995-09-02 1996-09-02 관성 진동 트랜스듀서
KR1019980701144A Ceased KR19990037667A (ko) 1995-09-02 1996-09-02 진동 트랜스듀서
KR1019980701300A Ceased KR19990044067A (ko) 1995-09-02 1996-09-02 벤딩기계
KR1019980701202A Ceased KR19990037723A (ko) 1995-09-02 1996-09-02 패널형 음향 방사 소자를 구비한 라우드 스피커
KR10-1998-0701595A Expired - Lifetime KR100419334B1 (ko) 1995-09-02 1996-09-02 음향장치

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US (6) US6243473B1 (ko)
JP (2) JP3763848B2 (ko)
KR (21) KR19990044068A (ko)
CN (1) CN1655645A (ko)
MX (4) MX9801518A (ko)
RO (1) RO120304B1 (ko)

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KR19990044331A (ko) 1999-06-25
US20060159293A1 (en) 2006-07-20
JP3895775B2 (ja) 2007-03-22
KR19990044029A (ko) 1999-06-25
KR19990044067A (ko) 1999-06-25
MX9801593A (es) 1998-06-30
MX9801440A (es) 1998-05-31
MX9801588A (es) 1998-08-30
MX9801591A (es) 1998-08-30
JP3763848B2 (ja) 2006-04-05
KR19990044171A (ko) 1999-06-25
MX9801518A (es) 1998-05-31
KR19990044030A (ko) 1999-06-25
MX9801517A (es) 1998-05-31
US6243473B1 (en) 2001-06-05
JPH11515122A (ja) 1999-12-21
US20020027999A1 (en) 2002-03-07
KR19990044330A (ko) 1999-06-25
KR19990044068A (ko) 1999-06-25
US7158647B2 (en) 2007-01-02
MX9801589A (es) 1998-08-30
KR19990044353A (ko) 1999-06-25
KR100419334B1 (ko) 2004-05-31
KR19990036352A (ko) 1999-05-25
JPH11512249A (ja) 1999-10-19
RO120304B1 (ro) 2005-11-30
US20050147274A1 (en) 2005-07-07
KR19990044170A (ko) 1999-06-25
US20050147273A1 (en) 2005-07-07
KR19990044033A (ko) 1999-06-25
US6332029B1 (en) 2001-12-18
KR19990037667A (ko) 1999-05-25
KR19990044028A (ko) 1999-06-25
KR19990044031A (ko) 1999-06-25
KR19990044032A (ko) 1999-06-25
CN1655645A (zh) 2005-08-17
MX9801441A (es) 1998-05-31
MX9801586A (es) 1998-05-31
KR100443204B1 (ko) 2004-10-26
US6904154B2 (en) 2005-06-07
MX9801592A (es) 1998-08-30
KR19990037726A (ko) 1999-05-25
US7194098B2 (en) 2007-03-20
KR19990037668A (ko) 1999-05-25
KR19990037725A (ko) 1999-05-25
MX9801519A (es) 1998-05-31
KR19990044066A (ko) 1999-06-25
KR19990037723A (ko) 1999-05-25
MX9801587A (es) 1998-05-31
MX9801590A (es) 1998-08-30

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