1
Birol Kuyel: Methods and apparatus for generating plasmas. Western Electric Co, B W Sheffield, A M Tobia, August 4, 1981: US04282267 (121 worldwide citation)

An RF-excited radial-flow, cylindrical plasma reactor (10) includes a toroidal waveguide (17) of rectangular cross-section connected to a microwave source (21). One of the reactive species (37) is flowed through the waveguide and pre-ionized, thus, permitting independent control over the activation ...


2
Marcatili Enrique Alfredo Jose: Improvements in or relating to dielectric waveguide circuit elements. Western Electric Co, November 29, 1972: GB1298387-A (121 worldwide citation)

1298387 Dielectric Waveguides WESTERN ELECTRIC Co Inc 24 April 1970 [25 April 1969] 19716/70 Heading G2J Band pass/band rejection filters are formed by coupling dielectric waveguides to dielectric disc shaped, resonant cavities. In the band rejection filter of Fig. 2A, a looped guide 81, 84 induces ...


3
Improvements in or relating to apparatus for guiding electromagnetic wave energy. Western Electric Co, June 27, 1956: GB751153-A (117 worldwide citation)

751,153. Transmission lines and waveguides. WESTERN ELECTRIC CO., Inc. April 26, 1954 [April 29, 1953], No. 11969/54. Class 40 (8). Apparatus for guiding an electromagnetic wave comprises a magnetic transmission line or waveguide consisting of one or more magnetic conductors of highly permeable elec ...


4
Improvements in or relating to electromagnetic wave-guiding members and apparatus. Western Electric Co, June 8, 1955: GB731473-A (99 worldwide citation)

731,473. R.-F. power measurements. WESTERN ELECTRIC CO., Inc. Feb. 13, 1953 [March 1, 1952], No. 4097/53. Class 37. [Also in Group XL (b)] A standing-wave detector for measuring the degree of match between a wave-guide and a load in the millimetric range comprises a network of dielectric-strip guide ...


5
Improvements in or relating to electromagnetic waveguide transmission systems. Western Electric Co, August 24, 1960: GB845492-A (98 worldwide citation)

845,492. Waveguides. WESTERN ELECTRIC CO. Inc. Aug. 22, 1958 [Aug. 29, 1957], No. 27042/58. Class 40(8). A bend in a circular waveguide for the transmission of H 01 mode energy is constructed so that it has a gradually increasing curvature in the neighbourhood of its junction with the straight secti ...


6
Improvements in or relating to radio antennas and feeds therefor. Western Electric Co, September 15, 1965: GB1004318-A (82 worldwide citation)

1,004,318. Aerials. WESTERN ELECTRIC CO. Inc. Nov. 29, 1961 [Dec. 19, 1960], No. 42786/61. Heading H4A. An annular feed 10 for a paraboloidal aerial reflector 36 having a ring focus of the type disclosed in Specification 626,311, comprises a circular waveguide 18 coupled by a gap 22 to a radial tran ...


7
John R Fisher Jr: Cast solder leads for leadless semiconductor circuits. Western Electric Co, M M de Picciotto, November 1, 1983: US04412642 (68 worldwide citation)

The attachment of leadless chip carriers to printed wiring boards by means of soldering techniques must provide for a spacing between the chip carrier and the board. Such spacing is required for cleaning the area under the chip carrier, protecting the underlying circuitry, and accounting for stresse ...


8
Karl E Peterson: Method and apparatus for testing electronic devices. Western Electric Co, G W Houseweart, December 22, 1981: US04307342 (68 worldwide citation)

A surge protector is tested by injecting a current spike with an exponentially decaying waveshape (12) through the surge protector. The current is generated by connecting a voltage source (16) to the surge protector and controlling the current through the surge protector by a Darlington array amplif ...


9
Joel R Bitler, Michael W Bodnar, Raymond H Booth, Daniel J Roman, Fred J Schneider, Philip W Seitzer, George F Wilkinson Jr: Article carrying a distinctive mark. Western Electric Co, W O Schellin, August 10, 1982: US04344064 (60 worldwide citation)

A Hybrid Integrated Circuit package (11) typically includes a circuit substrate or article (12) on which are formed thin film components (17, 18, 19) of a circuit (22) and to which is bonded at least one semiconductor chip (21). Prior to bonding the chip (21) to the article (12) the circuit (22) und ...


10
Improvements in or relating to directional antennas. Western Electric Co, June 25, 1947: GB589603-A (60 worldwide citation)

589,603. Aerials ; wave guides. WESTERN ELECTRIC CO., Inc. July 14, 1944, No. 13547. Convention date, .July 27, 1943. [Class 40 (v)] The directivity of an aerial comprising a transmission channel adapted to radiate or receive waves at points along its length is periodically varied or scanned by cycl ...



Click the thumbnails below to visualize the patent trend.