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:
Jul. 04, 1989
Filed:
Dec. 05, 1988
Katsumi Tokuyama, Tokyo, JP;
Kanji Arai, Tokyo, JP;
Takuji Ishikawa, Tokyo, JP;
Haruhiko Akiyama, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A radio phone equipment for credit card is adapted to transfer part or a whole of credit card or charge card information read by a card reader as well as a dial number dialed by a key pad to a mobile telecommunication switching office by means of a modem and a transmitter/receiver, and in case of said credit card or charge card being valid, switching, on the basis of a designation on a voice channel transmitted from said mobile telecommunication switching office, or transmitting and receiving frequency to said voice channel to construct a speech channel, and furthermore detecting on-hook of a handset produced upon finishing talking to reset the equipment.