Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 455/142
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Convertible to different type (e.g., am to fm)
Description: Subject matter comprising a receiver whose circuit can be changed to receive at least two different types of modulation, for example, amplitude or frequency modulated waves.


Sub-classes under this class:

Class Number Class Name Patents
455/143 With distinct signal path for each type 64
455/144 With dual purpose amplifying or other stage 41


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7610012 Radio vision electronic network/analog output/viewing system Oct. 27, 2009
7603080 Multiple channel wireless communication system Oct. 13, 2009
7558549 Method and system for rejecting single-sided leakage into an amplitude modulated (AM) channel Jul. 7, 2009
7542747 Wide bandwidth transceiver Jun. 2, 2009
7536203 Portable memory device and method May. 19, 2009
7526052 Configurable filter and receiver incorporating same Apr. 28, 2009
7376402 Multiband RDS radio receiver May. 20, 2008
7359671 Multiple channel wireless communication system Apr. 15, 2008
7353008 Method and system for optimizing decibel data conversion Apr. 1, 2008
7343140 Tuner Mar. 11, 2008
7274916 Differential signal receiver and method Sep. 25, 2007
7233778 Apparatus and method for converting a signal from a first analog format to a second analog format Jun. 19, 2007
7233769 Multiple channel wireless communication system Jun. 19, 2007
7212794 Receiver with a crystal oscillator having a natural-oscillation frequency set so that a fundamental component and its harmonics are outside the range of a receiving band of a modulated wave si May. 1, 2007
7174135 Wideband signal transmission system Feb. 6, 2007
7123892 Architecture for an AM/FM digital intermediate frequency radio Oct. 17, 2006
7120405 Wide bandwidth transceiver Oct. 10, 2006
7102498 Remote keyless entry system with two modes of demodulation Sep. 5, 2006
7076204 Multiple channel wireless communication system Jul. 11, 2006
7010271 Circuits and methods for reducing interference from switched mode circuits Mar. 7, 2006
6987947 Multiple channel wireless communication system Jan. 17, 2006
6934342 Automatic modulation type discrimination apparatus and automatic modulation type discrimination method capable of discriminating plural kinds of modulation types Aug. 23, 2005
6915109 Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system Jul. 5, 2005
6904269 Signal type identification Jun. 7, 2005
6847108 Semiconductor integrated circuit Jan. 25, 2005
6771942 Receiver Aug. 3, 2004
6768192 Pin layout of dual band receiver with two input pads/pins restricted to a single side of a four sided package Jul. 27, 2004
6643503 Wireless speaker for radio communication device Nov. 4, 2003
6473606 Common intermediate frequency broadcast radio front end Oct. 29, 2002
6469621 Tire monitor compatible with multiple data protocols Oct. 22, 2002
6456832 Antenna circuit Sep. 24, 2002
6407449 Pin layout of semiconductor integrated circuits including dual band amplifier and receiving mixer Jun. 18, 2002
6301295 AM modulated wave eliminating circuit Oct. 9, 2001
6256358 Digital signal processing architecture for multi-band radio receiver Jul. 3, 2001
6208847 Receiving circuit Mar. 27, 2001
6055419 Radio monitoring apparatus and procedures Apr. 25, 2000
6044251 TV/FM receiver for multimedia applications Mar. 28, 2000
5982819 Modulation format adaptive messaging receiver and method thereof Nov. 9, 1999
5937337 Method and apparatus for reducing FM intrusion in AM receivers Aug. 10, 1999
5913155 Broadcasting signal receiving apparatus and pulse counting demodulators Jun. 15, 1999
5862463 Shortwave broadcast converter Jan. 19, 1999
5832027 Spread spectrum modulating and demodulating apparatus for transmission and reception of FSK and PSK signals Nov. 3, 1998
5802114 Method and apparatus for modulation differentiation Sep. 1, 1998
5793799 Switchable circuit for processing and demodulating digital and analog signals Aug. 11, 1998
5774195 Broadcasting system discriminating television receiver for differentiating between analog and digital telecast signals Jun. 30, 1998
5749050 Automatic emergency alarm reception apparatus using specific frequency May. 5, 1998
5745005 Demodulating system for carrier-wave and single pulse modulated signals Apr. 28, 1998
5742897 Matching transformer for dual-band radio receiver Apr. 21, 1998
5715528 Converting capacitance to inductance in a floating resonant Feb. 3, 1998
5689816 Method and apparatus for differentiating a wireless analog signal from a wireless digitally encoded signal Nov. 18, 1997

1 2


 
 
  Recently Added Patents
Apparatus for frequency synchronization and method for the same
Methods and apparatus for providing data transfer control
Conversion of unsaturated chemicals to oligomers
Zoom lens system, lens barrel, imaging device and camera
Radial anti-rotation coupling
Method and apparatus for generating and detecting initialization patterns for high speed DRAM systems
Wind resistant oscillating sprinkler
  Randomly Featured Patents
Lowering blood cholesterol levels using water soluble cellulose ethers
Human pinin splice variant
Integrated electronic circuit including non-linear devices
Golf club practice aid and system
Individual thin brick
Combined multi-composition stick product, such as lip balm, sun screen, deodorant, or glue stick and container therefor
Digital signal processor architecture with optimized memory access for code discontinuity
Method and device for determining and adjusting the upper dead-center position in piston engines
Hand grasp device
Dahlia plant named `Melody Gipsy`