IT1150484B - Elemento di trasporto acustico per l'impiego in una tastiera - Google Patents

Elemento di trasporto acustico per l'impiego in una tastiera

Info

Publication number
IT1150484B
IT1150484B IT20255/82A IT2025582A IT1150484B IT 1150484 B IT1150484 B IT 1150484B IT 20255/82 A IT20255/82 A IT 20255/82A IT 2025582 A IT2025582 A IT 2025582A IT 1150484 B IT1150484 B IT 1150484B
Authority
IT
Italy
Prior art keywords
keyboard
transport element
acoustic transport
acoustic
transport
Prior art date
Application number
IT20255/82A
Other languages
English (en)
Other versions
IT8220255A0 (it
Inventor
Sigurd Hoyer Ellefsen
Original Assignee
Scm Corp
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 Scm Corp filed Critical Scm Corp
Publication of IT8220255A0 publication Critical patent/IT8220255A0/it
Application granted granted Critical
Publication of IT1150484B publication Critical patent/IT1150484B/it

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/24—Methods or devices for transmitting, conducting or directing sound for conducting sound through solid bodies, e.g. wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/967—Switches controlled by moving an element forming part of the switch having a plurality of control members, e.g. keyboard

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Input From Keyboards Or The Like (AREA)
IT20255/82A 1981-03-23 1982-03-18 Elemento di trasporto acustico per l'impiego in una tastiera IT1150484B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/246,819 US4384633A (en) 1981-03-23 1981-03-23 Perforated acoustic transport member

Publications (2)

Publication Number Publication Date
IT8220255A0 IT8220255A0 (it) 1982-03-18
IT1150484B true IT1150484B (it) 1986-12-10

Family

ID=22932355

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8219258A IT8219258A0 (it) 1981-03-23 1982-01-22 Elemento di trasporto acustico perl'impiego in una tastiera.
IT20255/82A IT1150484B (it) 1981-03-23 1982-03-18 Elemento di trasporto acustico per l'impiego in una tastiera

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT8219258A IT8219258A0 (it) 1981-03-23 1982-01-22 Elemento di trasporto acustico perl'impiego in una tastiera.

Country Status (6)

Country Link
US (1) US4384633A (it)
JP (1) JPS5847734B2 (it)
DE (1) DE3204572A1 (it)
FR (1) FR2502427A1 (it)
GB (1) GB2095447A (it)
IT (2) IT8219258A0 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599607A (en) * 1983-10-31 1986-07-08 General Instrument Corporation Acoustic keyboard
US5059959A (en) * 1985-06-03 1991-10-22 Seven Oaks Corporation Cursor positioning method and apparatus
FR2597683B1 (fr) * 1986-04-22 1992-07-31 Battarel Claude Clavier a interrruption de rayonnement.
JPH11265252A (ja) * 1998-03-17 1999-09-28 Nec Corp スイッチレス・キー及びキーボード
KR101558810B1 (ko) * 2014-09-22 2015-10-19 현대자동차주식회사 터치와 문지름 인식을 위한 음파 기반 사용자 인터페이스 장치 및 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US81874A (en) * 1868-09-08 Henry l
FR1314352A (fr) * 1957-03-12 1963-01-11 Instrument de musique polyphonique polytone à timbres multiples
US3644656A (en) * 1970-08-04 1972-02-22 Columbia Broadcasting Syst Inc Tone generator with vibratory bars
US4056793A (en) * 1974-03-15 1977-11-01 Texas Instruments Incorporated Acoustic waveguide resonator

Also Published As

Publication number Publication date
IT8220255A0 (it) 1982-03-18
US4384633A (en) 1983-05-24
IT8219258A0 (it) 1982-01-22
FR2502427A1 (fr) 1982-09-24
DE3204572A1 (de) 1983-01-05
JPS5847734B2 (ja) 1983-10-24
GB2095447A (en) 1982-09-29
JPS57162020A (en) 1982-10-05

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