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:
Aug. 31, 1993
Filed:
Aug. 06, 1992
Toshiro Oba, Nara, JP;
Eichika Matsuda, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Dial data inputted from a keyboard are registered in an internal memory. When the desired dial data are retrieved from the registered dial data and a dial key is pressed, the retrieved dial data are converted to corresponding dial tone signals and supplied to a speaker. Thus, the speaker outputs corresponding dial tones. At this time, a portable automatic dialing unit is acoustically coupled to the mouthpiece of a telephone set. Thus, the dial tones outputted from the speaker are again converted to the dial tone signals by the telephone set and transmitted to a telephone line, thereby driving a telephone switchboard. If the dial data include key code data 'P', production of the dial tone signals is interrupted for a prescribed period. If the dial data include key code data 'P-P', on the other hand, production of the dial tone signals is interrupted until the dial key is pressed again.