41
Chongwu Zhou, Koungmin Ryu, Alexander Badmaev, Chuan Wang: Radio frequency devices based on carbon nanomaterials. University of Southern California, Fish & Richardson P C, October 14, 2014: US08860137 (2 worldwide citation)

RF transistors are fabricated at complete wafer scale using a nanotube deposition technique capable of forming high-density, uniform semiconducting nanotube thin films at complete wafer scale, and electrical characterization reveals that such devices exhibit gigahertz operation, linearity, and large ...


42
Joakim Linde, Aysegul Findikli, Sven Jerlhagen, Ritesh Vishwakarma: Method and apparatus for co-location of two radio frequency devices. Broadcom Corporation, Sterne Kessler Goldstein & Fox P L L C, August 20, 2013: US08515354 (2 worldwide citation)

A method for avoiding signal interference between a first RF circuit and a second RF circuit is provided. The first and second RF circuits are co-located and the first RF circuit is configured to operate in a first frequency range. The second RF circuit is configured to operate in a second frequency ...


43
Joakim Linde, Aysegul Findikli, Sven Jerlhagen, Ritesh Vishwakarma: Method and apparatus for co-location of two radio frequency devices. Broadcom Corporation, Sterne Kessler Goldstein & Fox P L L C, July 24, 2012: US08229364 (2 worldwide citation)

A method for avoiding signal interference between a first RF device and a second RF device is provided. The first and second RF devices are co-located and the first RF device is configured to operate in a first frequency range. The second RF device is configured to operate in a second frequency rang ...


44
Wolfgang Neuberger, Stefan Spaniol: Active endoscopic photodynamic therapy devices; systems and method. CeramOptec, Bolesh J Skutnik, B J Associates, April 1, 2008: US07351242 (2 worldwide citation)

An active endoscopic system is disclosed containing an electromagnetic radiation system located at the distal end of the endoscopic device allowing for variable intensity application of desired wavelengths in the application of PhotoDynamic Therapy (PDT) over a broad area. The power sources are vari ...


45
Sek Kin Neng, Yungping Hsu, Tsunglun Yu, Ming Ta Lin, Naveen Kumar Arani: Apparatus and methods for detection of interface in radio-frequency devices. Marvell International, May 15, 2012: US08180308 (2 worldwide citation)

A communication apparatus includes a radio frequency (RF) apparatus. The RF apparatus includes an amplifier, and a signal detection circuit. The amplifier receives RF signals and amplifies those signals. The amplifier has an adjustable gain value. The signal detection circuit detects whether a recei ...


46
Kim Jin Dong, Waldie William T: Surface-mount dielectric filter.. Motorola, July 31, 1991: GB2240431-A (2 worldwide citation)

A filter assembly (100) includes a ceramic block filter (102) and shielding bracket (132) which surface mounts to a printed circuit board (152) for interconnecting to radio frequency devices, such as a radio transceiver. The bracket (132) is soldered to the filter (102) and includes two openings (13 ...


47
Kuo Timothy C, Liu Edward Wai Yeung, Keramat Mansour: Apparatus and method for in-situ gain calibration of radio frequency devices using thermal noise. Nvidia, November 22, 2006: EP1724953-A2 (2 worldwide citation)

An apparatus for calibrating gain of an radio frequency receiver ("Rx") is disclosed to provide, among other things, a structure for performing in-situ gain calibration of an RF integrated circuit over time and/or over temperature without removing the RF integrated circuit from its operational confi ...


48
Jenkins Charles Roderick, Johnson Ashley Bernard, Barrow Harry, Barrett Michael Paul: Messenger vessels to indicate downhole conditions. Schlumberger Holdings, July 18, 2007: GB2434165-A (2 worldwide citation)

Messenger vessels 60 are programmed or imprinted with signal information and then positioned releasably in a downhole location. A sensing and releasing system 22 senses the occurrence of a downhole condition and releases the vessels to be entrained in the flow of production or drilling fluid and car ...


49
Bleckmann Frederick, Bleckmann Gilbert A: Method and apparatus for production of rf labels. Pittsfield Weaving Co, February 25, 2004: EP1390926-A1 (2 worldwide citation)

The present invention includes a method for producing individual folded labels incorporating a radio frequency device, the method comprising the steps of providing a ribbon of labels containing a woven logo or text. A carrier strip with a plurality of radio frequency devices spaced thereon is provid ...


50
Zvi Or Bach, Deepak C Sekar, Brian Cronquist, Israel Beinglass, Jan Lodewijk de Jong: 3D semiconductor device and structure. MONOLITHIC 3D, Tran & Associates, February 7, 2017: US09564432 (1 worldwide citation)

A semiconductor device, including: a first layer including monocrystalline material and first transistors, the first transistors overlaid by a first isolation layer; a second layer including second transistors and overlaying the first isolation layer, the second transistors including a monocrystalli ...



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