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:
Feb. 25, 1992
Filed:
Oct. 19, 1990
Yoshikazu Itoh, Tokyo, JP;
Shunji Wake, Kawasaki, JP;
Ikegami Tsushinki Co., Ltd., Tokyo, JP;
Video Research Ltd., Tokyo, JP;
Abstract
A data processing apparatus for use in an electronic data research system in which data produced at respective panelist' home is transmitted to a data center via a telephone link which is commonly used by a telephone set of the panelist' home, there are provided a center call mode in which the data is transmitted to the data center in response to the polling from the data center within a predetermined time gate, a terminal call mode in which the data is transmitted to the data center at a predetermined time out of the time gate, and a real time mode in which current data is transmitted to the data center while the connection between the panelist home and data center via the telephone link is continuously made.