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. 06, 2011
Filed:
Aug. 20, 2008
Jun Ki Min, Gyunggi-Do, KR;
Jong Sik Kim, Gyunggi-Do, KR;
Hyun Chol Shin, Seoul, KR;
Jeong Suk Lee, Gyunggi-Do, KR;
Jun Ki Min, Gyunggi-Do, KR;
Jong Sik Kim, Gyunggi-Do, KR;
Hyun Chol Shin, Seoul, KR;
Jeong Suk Lee, Gyunggi-Do, KR;
Samsung Electro-Mechanics, Ltd., Gyunggi-do, KR;
Abstract
There is provided a wide-band direct conversion transmitting apparatus including: a local oscillation unit generating first, second, and third oscillation signal pairs each including a pair of signals having a phase difference of 90°; an image rejection mixer unit mixing baseband transmission signals including an I signal and a Q signal having a phase difference of 90° with the first oscillation signal pair; a harmonic rejection mixer unit mixing each of the first, second, and third oscillation signal pairs with the baseband transmission signals; and an output signal selecting unit selecting output signals from the image rejection mixer unit or from the harmonic rejection mixer unit.