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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6389263 |
Road radio cellular system |
May. 14, 2002 |
| 6389269 |
Method and apparatus for multiple band transmission |
May. 14, 2002 |
| 6347221 |
Orthogonal modulator having a modulation mixer |
Feb. 12, 2002 |
| 6298244 |
Dual-band, dual-mode power amplifier |
Oct. 2, 2001 |
| 6268946 |
Apparatus for communicating diversity signals over a transmission medium |
Jul. 31, 2001 |
| 6256482 |
Power- conserving drive-modulation method for envelope-elimination-and-restoration (EER) transmitters |
Jul. 3, 2001 |
| 6188877 |
Dual-band, dual-mode power amplifier with reduced power loss |
Feb. 13, 2001 |
| 6134452 |
Multiple band mixer with common local oscillator |
Oct. 17, 2000 |
| 5991599 |
Mobile satellite communication terminal |
Nov. 23, 1999 |
| 5982819 |
Modulation format adaptive messaging receiver and method thereof |
Nov. 9, 1999 |
| 5970392 |
Information signal processing apparatus and method |
Oct. 19, 1999 |
| 5867535 |
Common transmit module for a programmable digital radio |
Feb. 2, 1999 |
| 5832390 |
Untethered microphone and base unit |
Nov. 3, 1998 |
| 5828951 |
Mobile satellite terminal equipment |
Oct. 27, 1998 |
| 5787362 |
AM removal from FM signal generated by IQ modulator |
Jul. 28, 1998 |
| 5771442 |
Dual mode transmitter |
Jun. 23, 1998 |
| 5678183 |
Mobile transmitter which does not cause a disruption of communication when moving between communication systems with different modulation schemes |
Oct. 14, 1997 |
| 5675611 |
Output power control and envelope shaping for a pulsed transmitter |
Oct. 7, 1997 |
| 5673003 |
Amplifier circuit having a variable bandwidth |
Sep. 30, 1997 |
| 5673287 |
Dual mode amplifier network having an isolator in a digital path and a filter in an analog path |
Sep. 30, 1997 |
| 5590402 |
Multi-mode transmitter for transmitter for signals having varying deviation levels |
Dec. 31, 1996 |
| 5584051 |
Radio broadcast transmission system and receiver for incompatible signal formats, and method therefor |
Dec. 10, 1996 |
| 5546051 |
Power amplifier and power amplification method |
Aug. 13, 1996 |
| 5541554 |
Multi-mode power amplifier |
Jul. 30, 1996 |
| 5539770 |
Spread spectrum modulating apparatus using either PSK or FSK primary modulation |
Jul. 23, 1996 |
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