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Class Information
Number: 455/93
Name: Telecommunications > Transmitter > Convertible to different type (e.g., am to fm)
Description: Subject matter wherein the transmitter is constructed so that it may be changed from one type of transmitter to a different type of transmitter, such as, for example, changed from a crystal controlled to a tunable transmitter or change from FM to AM.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8688045 FM transmitter and non-FM receiver integrated on single chip Apr. 1, 2014
8644427 Radio frequency receiver with dual band reception and dual ADC Feb. 4, 2014
RE44634 Ultra-wideband receiver and transmitter Dec. 10, 2013
8600313 Radio communication method in radio communication system, terminal apparatus, base station apparatus, and radio communication system Dec. 3, 2013
8483630 Method and system for generating a pulse signal of the ultra wide band type Jul. 9, 2013
8401462 FM broadcast system competitive with satellite radio Mar. 19, 2013
8355460 Radio transmitter system and method Jan. 15, 2013
8295824 Management unit for facilitating inter-network hand-off for a multiservice communication device Oct. 23, 2012
8284089 Cyclic digital-to-analog converter (DAC) with capacitor swapping Oct. 9, 2012
8204452 Transmitter and transmission method thereof Jun. 19, 2012
8195143 Management unit for facilitating inter-network hand-off for a multiservice communication device Jun. 5, 2012
8185099 Service aggregator for allocating resources to a plurality of multiservice communication devices May. 22, 2012
8180407 Automatic reduction of background wireless communication in a media player mode May. 15, 2012
8150333 Multiband antenna and wireless communication device employing the same Apr. 3, 2012
8095086 FM simulcast broadcast signal broadcast transmission system and receiver device Jan. 10, 2012
8078122 Interface between digital and analog circuits Dec. 13, 2011
8031082 RF meter reading system Oct. 4, 2011
8027418 Diversity reception circuit Sep. 27, 2011
7986926 Integrating an FM transmitter into a cellular telephone Jul. 26, 2011
7924802 Wireless communication systems and methods Apr. 12, 2011
7877065 Signal processing circuit and communication device using the same Jan. 25, 2011
7801559 Methods and apparatus for baseband digital spectrum translation (BDST) Sep. 21, 2010
7630734 Mobile wireless communications device providing enhanced file management and related methods Dec. 8, 2009
7623833 Dual output digital exciter Nov. 24, 2009
7623895 FM transmitter for portable audio device Nov. 24, 2009
7395038 High-efficiency modulating RF amplifier Jul. 1, 2008
7379904 Method and storage medium for obtaining an offer for a sale of a product or a service May. 27, 2008
7369598 Ultra-wideband receiver and transmitter May. 6, 2008
7346318 High frequency power amplifier component and radio communication system Mar. 18, 2008
7280802 FM transmitter and power supply/charging assembly for MP3 player Oct. 9, 2007
7242906 FM transmitter and power supply/charging assembly for MP3 player Jul. 10, 2007
7209720 Multiband and multimode transmitter and method Apr. 24, 2007
7190968 Portable device displaying an image provided by photographing Mar. 13, 2007
7099635 High-efficiency modulating RF amplifier Aug. 29, 2006
7072696 Solar-powered mobile telephone Jul. 4, 2006
7027776 Transverter control mechanism for a wireless modem in a broadband access system Apr. 11, 2006
7006803 Power amplification circuit for communication device Feb. 28, 2006
6999788 Radio transmitter that determines proper standard Feb. 14, 2006
6917785 Electromagnetic field communications system for wireless networks Jul. 12, 2005
6915109 Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system Jul. 5, 2005
6901246 Suppressed cycle based carrier modulation using amplitude modulation May. 31, 2005
6839549 System and method of RF power amplification Jan. 4, 2005
6748021 Cellular radio communications system Jun. 8, 2004
6731915 Combined RF power detector and power precorrector May. 4, 2004
6671498 Frequency tracking and locking system of a wireless microphone Dec. 30, 2003
6615027 Method and circuit for providing interface signals between integrated circuits Sep. 2, 2003
6591085 FM transmitter and power supply/charging assembly for MP3 player Jul. 8, 2003
6567653 Dual-mode communications transmitter May. 20, 2003
6512799 Digital communication system and method for increased bit rates Jan. 28, 2003
6487391 Method and apparatus for selectively receiving a satellite broadcast signal or a cable television signal Nov. 26, 2002

1 2 3

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