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:
Dec. 26, 1989
Filed:
Jun. 27, 1988
Chusei Takahashi, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
An apparatus for judging the quality of mobile data communication has: (1) a unit for amplifying an incoming electric wave and detecting the strength of the received electric field; (2) a data communication judgement unit for previously setting a limit of data communication, and comparing the reference value with an output from the electric field strength detector unit (3) a visible display unit for visually displaying the received electronicfield signal when the strength of the received electric field is more than the judgment reference value; (4) a digital output terminal for outputting a digital control signal to control a modem; and (5) an audible tone generator for producing a continuous tone or an intermittent tone from a speaker to clearly inform an operator of the quality of the data communication when the strength of the received electric field is less than the judgment reference value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile