The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 1998
Filed:
Sep. 22, 1994
Peter Lee, Huntington Beach, CA (US);
Phuong Le Pham, Huntington Beach, CA (US);
George Cheung, La Mirada, CA (US);
Ameri Phone, Inc., Garden Grove, CA (US);
Abstract
A telecommunication device for the hearing impaired having the capability of sending text communications via a telephone-style keypad and receiving text communications for display on an LCD display in addition to providing standard telephone voice communications. The telecommunications device automates voice carryover (VCO) calls and for provides automatic answering and recording capability for text messages on the same telephone line as a voice answering machine and or a facsimile machine. The telecommunications device further includes means for selectively adjusting the amplification of received voice messages and sent voice messages to provide maximum amplification of said received voice messages without producing feedback oscillation or to provide maximum amplification of sent voice messages without producing feedback oscillation. The telecommunications device further including means for minimizing effect of the reflected impedance of the telephone line on signal transmission and optimizing the coupling of signals to the telephone line.