Apparatus for performing noise cancellation in telephonic device

Details Apparatus for performing noise cancellation in telephonic device Apparatus for performing noise cancellation in telephonic device

1994-01-12

1996-06-04

Brinich, Stephen

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

381 72, G10K 1116

Patent

active

055240585

ABSTRACT:
A noise cancellation module is combined with a telephone handset or article of headwear to cancel a selected frequency or range of frequencies so as to enable a user to better use the handset and function with the headwear in place.

REFERENCES:
patent: 1655267 (1928-01-01), Hahnemann et al.
patent: 2972018 (1961-02-01), Hawley et al.
patent: 3009991 (1961-11-01), Beckey
patent: 3278695 (1966-10-01), Craig et al.
patent: 3562429 (1971-02-01), West
patent: 3890474 (1975-06-01), Glicksberg
patent: 3922488 (1975-11-01), Gabr
patent: 3952158 (1976-04-01), Kyle et al.
patent: 4025724 (1977-05-01), Davidson, Jr. et al.
patent: 4195360 (1980-03-01), Fothergill
patent: 4284844 (1981-08-01), Belles
patent: 4439644 (1984-03-01), Bruney, III
patent: 4455675 (1984-06-01), Bose
patent: 4504703 (1985-03-01), Schmeiter et al.
patent: 4644581 (1987-02-01), Sapiejewski
patent: 4654871 (1987-03-01), Chaplin et al.
patent: 4677677 (1986-06-01), Eriksson
patent: 4833719 (1989-05-01), Carme et al.
patent: 4928311 (1990-05-01), Trompler
patent: 4953217 (1990-08-01), Twiney et al.
patent: 4972491 (1990-11-01), Wilcox, Jr.
patent: 5001763 (1991-03-01), Moseley
patent: 5117461 (1992-05-01), Moseley
patent: 5134659 (1992-06-01), Moseley
patent: 5138663 (1992-08-01), Moseley
John Free, "Noise Zapper", Popular Science, Jan. 1987, pp. 76, 77, 96.

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