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:
May. 27, 2003
Filed:
Sep. 24, 1999
Masanori Iwatsuki, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A radio transmitter apparatus performing an ALC operation by selecting either of a high power mode and a low power mode and capable of further increasing a level difference of transmission power levels in the modes while supplying a stable detection voltage to an ALC circuit without destruction of a detection diode, including a transmission power generating stage, a detection unit, an ALC circuit performing automatic level control, and an ATPC unit performing automatic power control for operation in either of the high power mode or the low power mode, the detection unit configured by a first detection unit which becomes effective in the low power mode and a second detection unit which becomes effective in the high power mode.