1
William R Holland: Electronic surveillance and identification. May 24, 1988: US04746830 (182 worldwide citation)

An electronic article surveillance and identification system employing a transceiver (10,11) for broadcasting an interrogation signal into a zone to track the location and movement therein of inventory, merchandise, vehicles, animals, people and objects carrying passive (unpowered) transponder tags ...


2
Keiji Onishi, Shunichi Seki, Yutaka Taguchi, Kazuo Eda: Surface acoustic wave device mounted module. Matsushita Electric Industrial, Fish & Richardson, October 17, 1995: US05459368 (149 worldwide citation)

This invention provides a surface acoustic wave device mounted module which is miniature, light, and highly reliable. The surface acoustic wave device mounted module also has excellent frequency characteristics. The surface acoustic wave device mounted module includes a multilayer substrate which ha ...


3
John W Zscheile Jr: Matched filter spread spectrum code recovery apparatus. Sperry Corporation, John B Sowell, Kenneth T Grace, Marshall M Truex, November 29, 1983: US04418393 (112 worldwide citation)

Apparatus is provided for decreasing the acquisition time for recovering spread spectrum codes. The transmitted spread spectrum code is preceeded by a sync signal to establish system time at the receiver. The received coded data signals are applied to a matched filter or a delay line such as a surfa ...


4
Clifford Megerle: Security system for NBC-safe building. Lockheed Martin Corporation, Simpson & Simpson PLLC, August 26, 2003: US06610977 (105 worldwide citation)

A method and apparatus for screening an object for the presence of an explosive, chemical warfare agent, biological warfare agent, drug, metal, weapon, and/or radioactive material. The apparatus includes a portal through which the object is arranged to pass, the portal including a housing equipped w ...


5
Peter J Edmonson, Colin K Campbell: Adaptive tuning device and method utilizing a surface acoustic wave device for tuning a wireless communication device. Research In Motion, Krishna K Pathiyal Esq, Charles B Meyer Esq, Jones Day, May 27, 2003: US06570462 (98 worldwide citation)

An adaptive tuning method for a wireless communication device determines the impedance of a matching circuit relative to an impedance to be matched and adjusts the impedance of the matching circuit accordingly. A passive surface acoustic wave (SAW) device includes multiple terminated interdigital tr ...


6
Michael J Anderson, Gregory Kennison, Jeffrey E Christensen, Gary C Johnson, Jon G Aday: Surface acoustic wave device package and method. CTS Corporation, Jones Day Reavis & Pogue, October 19, 1999: US05969461 (92 worldwide citation)

A method for packaging an acoustic wave device (10) without contaminating an active area (12) disposed on a face (14) thereof, including steps of: providing a substrate with a top (30) having conductive pads (18), bonding stud bumps (20) to a periphery (22) of the face (14) of the acoustic wave devi ...


7
Kazuo Tsubouchi, Jun Hozumi, Toshiyuki Azuma: Radio switching apparatus. Kazuo Tsubouchi, Brinks Hofer Gilson & Lione, May 18, 1999: US05905449 (90 worldwide citation)

A radio switching apparatus is provided which is actuated upon reception of a radio signal and which is capable zero or near-zero standby electric power consumption. The radio switching apparatus includes a receiving antenna; a surface-acoustic-wave device to which a signal received by the antenna i ...


8
Yoshitsugu Funada, Michinobu Tanioka: Surface acoustic wave device mounted with a resin film and method of making same. NEC Corporation, Sughrue Mion Zinn Macpeak & Seas PLLC, June 20, 2000: US06078229 (66 worldwide citation)

It is an object on the invention to provide a SAW device sealed by resin, which is low priced and suited for decreasing its thickness and weight and requires no particular course for processing a substrate, and a method for fabricating the same. A functional surface of a piezoelectric substrate prov ...


9
Toyoji Tabuchi, Mitsutaka Hikita, Nobuhiko Shibagaki, Tetsuya Hirashima: Surface acoustic wave filter device formed on a plurality of piezoelectric substrates. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, April 13, 1993: US05202652 (65 worldwide citation)

A surface acoustic wave device is disclosed for use in a communication apparatus where the surface acoustic wave device has a multiple of surface acoustic wave elements with different filter characteristics formed on mutually distinct piezoelectric substrates. The different filter characteristics co ...


10


Click the thumbnails below to visualize the patent trend.