EP0542702A2 - Claviers électriques et/ou électroniques et en particulier claviers d'orgues d'église - Google Patents

Claviers électriques et/ou électroniques et en particulier claviers d'orgues d'église Download PDF

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Publication number
EP0542702A2
EP0542702A2 EP92830622A EP92830622A EP0542702A2 EP 0542702 A2 EP0542702 A2 EP 0542702A2 EP 92830622 A EP92830622 A EP 92830622A EP 92830622 A EP92830622 A EP 92830622A EP 0542702 A2 EP0542702 A2 EP 0542702A2
Authority
EP
European Patent Office
Prior art keywords
keyboards
key
keyboard support
round
rubber
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.)
Granted
Application number
EP92830622A
Other languages
German (de)
English (en)
Other versions
EP0542702A3 (fr
EP0542702B1 (fr
Inventor
Lino Ragni
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.)
RAGNI FINANZIARIA Srl
Original Assignee
Fatar SNC Di Ragni Cav Laurino & Flli
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 Fatar SNC Di Ragni Cav Laurino & Flli filed Critical Fatar SNC Di Ragni Cav Laurino & Flli
Publication of EP0542702A2 publication Critical patent/EP0542702A2/fr
Publication of EP0542702A3 publication Critical patent/EP0542702A3/xx
Application granted granted Critical
Publication of EP0542702B1 publication Critical patent/EP0542702B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
    • G10H1/344—Structural association with individual keys
    • 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

Definitions

  • This invention concerns the improvements to electric and/or electronic keyboards and, in particular, church organ keyboards.
  • the first object of this invention is the keyboard support structure, which consists of two parts, a detailed description of which is given later.
  • Another object of this invention is the device which creates the so-called escapement effect when a key is pressed.
  • the keyboard support consists of a board or plate on which a layer of plastic material is injected.
  • This plastic material is applied in such a manner as to cover the edges and the ends of the board or sheet, leaving portions of the middle uncovered, in other words, it is applied in such a manner as to form a grid, on both the upper and lower surfaces of the keyboard support.
  • the normal guiding and control elements are then mounted on this support, besides a rubber sheet, provided with truncated cone or round-shaped foam-expansions, each one of which is located beneath a key, both black and white.
  • a rubber sheet provided with truncated cone or round-shaped foam-expansions, each one of which is located beneath a key, both black and white.
  • the keyboard support (2) consists of a plastic material (11) injected onto a steel plate (12).
  • the plastic material being placed in such a fashion as to leave the middle part and the edge of the plate (12) free, thus forming a grid.
  • Fig. 2 shows that a contact block (3) is fixed on the lower surface of the support (2) by means of screws (4). Furthermore, in order to achieve contact with the contact block (3) a dynamic contact made of conductive rubber (5) and carried by one of the white (6) or black (7) keys is also provided.
  • the drawing shows that on top of the rubber round-shaped element (8), which may be obtained by hot-pressing a rubber sheet, there is a sort of collar, the aim of which is to provide a certain resistance to the key, thus distributing the deformation caused by the pressed key over the entire surface of the round-shaped element.
  • the top collar under the effect of the pressed key, moves parallel to itself, thus causing the uniform deformation of the entire rubber element.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Polyesters Or Polycarbonates (AREA)
EP92830622A 1991-11-14 1992-11-13 Claviers électriques et/ou électroniques et en particulier claviers d'orgues d'église Expired - Lifetime EP0542702B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM910862A IT1249467B (it) 1991-11-14 1991-11-14 Perfezionamenti nelle tastiere elettriche e/o elettroniche ed in particolare alle tastiere di un organo liturgico.
ITRM910862 1991-11-14

Publications (3)

Publication Number Publication Date
EP0542702A2 true EP0542702A2 (fr) 1993-05-19
EP0542702A3 EP0542702A3 (fr) 1994-02-09
EP0542702B1 EP0542702B1 (fr) 1999-09-01

Family

ID=11400455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92830622A Expired - Lifetime EP0542702B1 (fr) 1991-11-14 1992-11-13 Claviers électriques et/ou électroniques et en particulier claviers d'orgues d'église

Country Status (7)

Country Link
EP (1) EP0542702B1 (fr)
JP (1) JPH0612056A (fr)
KR (1) KR100214731B1 (fr)
AT (1) ATE184124T1 (fr)
DE (1) DE69229904T2 (fr)
ES (1) ES2137177T3 (fr)
IT (1) IT1249467B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104517598A (zh) * 2013-09-27 2015-04-15 雅马哈株式会社 用于电子乐器的键盘设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112197B (en) * 1981-12-24 1985-12-04 Casio Computer Co Ltd Providing touch response in electronic instruments
US4914999A (en) * 1987-09-04 1990-04-10 Yamaha Corporation Keyboard assembly for forming keyboard apparatus of electronic musical instrument
KR920002363A (ko) * 1990-07-31 1992-02-28 한태희 전자식 타자기의 페이지 설정방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104517598A (zh) * 2013-09-27 2015-04-15 雅马哈株式会社 用于电子乐器的键盘设备
CN104517598B (zh) * 2013-09-27 2019-09-27 雅马哈株式会社 用于电子乐器的键盘设备

Also Published As

Publication number Publication date
EP0542702A3 (fr) 1994-02-09
DE69229904T2 (de) 2000-04-20
ITRM910862A0 (it) 1991-11-14
ITRM910862A1 (it) 1993-05-14
KR930010839A (ko) 1993-06-23
ATE184124T1 (de) 1999-09-15
ES2137177T3 (es) 1999-12-16
DE69229904D1 (de) 1999-10-07
EP0542702B1 (fr) 1999-09-01
IT1249467B (it) 1995-02-23
JPH0612056A (ja) 1994-01-21
KR100214731B1 (ko) 1999-08-02

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