Speaker device, and method and device for producing the same

Details Speaker device, and method and device for producing the same Speaker device, and method and device for producing the same

2005-05-31

2005-05-31

Chin, Peter (Department: 1731)

Paper making and fiber liberation

Processes and products

Article forming processes

C162S221000, C162S228000, C162S231000, C162S382000, C162S383000, C162S389000, C162S390000, C162S409000, C264S086000, C264S087000, C425S084000, C425S085000

Reexamination Certificate

active

06899794

ABSTRACT:
A liquefied paper material is used as raw materials. A paper frame member1supporting a vibrating plate is paper-skimmed and formed. On paper-skimming and forming, a central hole for use in voice coils, air-release hole1areleasing air pressure in a rear of the vibrating plate to outside due to vibration of the vibrating plate. A loudspeaker system is manufactured using the paper frame member1.

REFERENCES:
patent: 2411066 (1946-11-01), Stevens
patent: 2460129 (1949-01-01), Ista
patent: 2549138 (1951-04-01), Stevens
patent: 4291781 (1981-09-01), Niguchi et al.
patent: 5875253 (1999-02-01), Okazaki et al.
patent: 6371241 (2002-04-01), Yamada et al.
patent: 57-84700 (1982-05-01), None
patent: 58-11388 (1983-01-01), None

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