Noise reducing device for printer

Details Noise reducing device for printer Noise reducing device for printer

1990-01-19

1992-06-16

Hix, L. T.

Acoustics

Sound-modifying means

Housing or enclosure

400689, B41J 2908

Patent

active

051218119

ABSTRACT:
A noise reducing device for printers including a noise reducing hollow body consisting of at least one hollow duct at one side of a sheet delivery opening opposedly arranged to a printed sheet guiding-receiving member positioned at the other side of the sheet delivery opening, and the hollow duct is oriented such that a noise outlet thereof is opened towards the upper surface of the sheet guiding-receiving member.

REFERENCES:
patent: 4093040 (1978-06-01), Treiber
patent: 4212369 (1980-07-01), Zeilinger
patent: 4212370 (1980-07-01), Drener et al.
patent: 4252453 (1981-02-01), Estabrooks
patent: 4753318 (1988-06-01), Mizuno et al.
patent: 4840251 (1989-06-01), Murase et al.
patent: 4943173 (1990-07-01), Okazaki et al.
IBM Technical Disclosure Bulletin, vol. 24, No. 4, Sep. 1981, New York US p. 1798 S. Alexander "Acoustic Hood for a Typewriter".
IBM Technical Disclosure Bulletin, vol. 18, No. 4, Sep. 1975, New York US pp. 1150-1151, F. A. Goplen, "Acoustical Enclosure".

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