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:
Sep. 10, 1991
Filed:
Aug. 07, 1990
Yoshinori Yasuda, Gumma, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A picture transmission unit having a detection circuit for detecting a tone signal, a header signal, or still picture data sent from the telephone circuit immediately before the still picture data are sent and recognizing the transmission of the still picture data, a memory for storing the still picture data temporarily, a sub-power source for always feeding power to the picture transmission unit and the memory in addition to a power supply device, a switching means for switching power from the power supply device automatically, and a main control and processing unit for controlling the whole apparatus is provided, in which when the detection circuit detects a tone signal, a header signal, or still picture data and recognizes the transmission of the still picture data, power from the power supply device is turned on to feed the whole apparatus and automatically display the still picture data stored in the memory on a display.