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.

Date of Patent:
Dec. 12, 2006

Filed:

Sep. 19, 2002
Applicant:

Masafumi Takahashi, Tenri, JP;

Inventor:

Masafumi Takahashi, Tenri, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A data transmission apparatus includes a plurality of I/F (interface) units for converting data into a predetermined transmission format and transmitting it to an external device, a power source section for supplying electric power to the I/F sections, a control section for controlling the power source section, and detection sections are connected to the I/F units for outputting connection detecting signals to the control section. The control section outputs a power control signal to the power source section so as to operate in such a manner that when the control section has detected that at least one of the I/F sections is in a connecting state, the electric power is supplied to the I/F sections, and when the control section has detected that none of the I/F sections is in a connecting state, no electric power is supplied from the power source section to the I/F sections.


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