IT7827139A0 - Dispositivo per attenuare i rumorei, trasmessi all'ambiente da complessi rumorosi, disperdendo temporaneamente il calore sviluppato. - Google Patents

Dispositivo per attenuare i rumorei, trasmessi all'ambiente da complessi rumorosi, disperdendo temporaneamente il calore sviluppato.

Info

Publication number
IT7827139A0
IT7827139A0 IT7827139A IT2713978A IT7827139A0 IT 7827139 A0 IT7827139 A0 IT 7827139A0 IT 7827139 A IT7827139 A IT 7827139A IT 2713978 A IT2713978 A IT 2713978A IT 7827139 A0 IT7827139 A0 IT 7827139A0
Authority
IT
Italy
Prior art keywords
complements
noisy
environment
heat developed
noises transmitted
Prior art date
Application number
IT7827139A
Other languages
English (en)
Other versions
IT1098713B (it
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IT7827139A0 publication Critical patent/IT7827139A0/it
Application granted granted Critical
Publication of IT1098713B publication Critical patent/IT1098713B/it

Links

Classifications

    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/10—Sound-deadening devices embodied in machines
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/27—Actuators for print wires
    • B41J2/275—Actuators for print wires of clapper type
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Impact Printers (AREA)
  • Casings For Electric Apparatus (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
IT27139/78A 1977-09-05 1978-08-30 Dispositivo per attenuare i rumorei,trasmessi all'ambiente da complessi rumorosi,disperdendo temporaneamente il calore sviluppato IT1098713B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772739886 DE2739886A1 (de) 1977-09-05 1977-09-05 Vorrichtung zur daempfung von von laermentwickelnden aggregaten an die umgebung abgegebenen geraeusche mit gleichzeitiger waermeableitung

Publications (2)

Publication Number Publication Date
IT7827139A0 true IT7827139A0 (it) 1978-08-30
IT1098713B IT1098713B (it) 1985-09-07

Family

ID=6018124

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27139/78A IT1098713B (it) 1977-09-05 1978-08-30 Dispositivo per attenuare i rumorei,trasmessi all'ambiente da complessi rumorosi,disperdendo temporaneamente il calore sviluppato

Country Status (7)

Country Link
US (1) US4239398A (it)
BE (1) BE870226A (it)
DE (1) DE2739886A1 (it)
FR (1) FR2402267A1 (it)
GB (1) GB1564677A (it)
IT (1) IT1098713B (it)
NL (1) NL7806966A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343965B1 (en) * 1988-05-25 1993-12-15 Seiko Epson Corporation Impact dot printing head
DE9001868U1 (it) * 1990-02-16 1991-06-20 Siemens Nixdorf Informationssysteme Ag, 4790 Paderborn, De

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB496454A (en) * 1938-04-05 1938-11-30 Albert Walter Christian Mandel Improvements in or relating to gas-pressure actuated percussive drills and the like
US3747735A (en) * 1969-11-04 1973-07-24 B Frick Noise reducing covers for teleprinters and other machines
FR2152187A5 (it) * 1971-09-09 1973-04-20 Anker Werke Ag
US3770092A (en) * 1972-02-14 1973-11-06 Autotronics Inc Wire print head
DE2342420A1 (de) * 1973-08-22 1975-03-13 Steinmetz Krischke Systemtech Mosaikdruckknopf
US3860085A (en) * 1974-02-11 1975-01-14 Coast Marine Associates Inc Sound suppression hood assembly
US4044668A (en) * 1975-05-16 1977-08-30 Printronix, Inc. Print hammer mechanism
US4033255A (en) * 1975-11-13 1977-07-05 Printronix, Inc. Print hammer actuator for dot matrix printers
US4135830A (en) * 1976-06-14 1979-01-23 Brother Kogyo Kabushiki Kaisha Wire printer printing head

Also Published As

Publication number Publication date
FR2402267B1 (it) 1980-12-19
BE870226A (fr) 1979-03-05
IT1098713B (it) 1985-09-07
GB1564677A (en) 1980-04-10
DE2739886A1 (de) 1979-03-15
US4239398A (en) 1980-12-16
NL7806966A (nl) 1979-03-07
FR2402267A1 (fr) 1979-03-30

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