1
Curtis Gary Martin: Locking staple. Illinois Tool Works, Olson Trexler Wolters Bushnell & Fosse, May 27, 1975: US3885491 (242 worldwide citation)

A fastening staple is provided which comprises a pair of workpiece-penetrating legs and an interconnecting bridge. Arms are connected to the bridge at fulcrum points, and each arm is crimped to provide a surface extending below the plane of the bridge. As the staple is forced into the workpiece, the ...


2
Guldberg Jens, Nathanson Harvey C: Electrostatically deflectable light valve with improved diffraction properties. Westinghouse Electric, Sutcliff W G, May 27, 1975: US3886310 (239 worldwide citation)

An electrostatically deflectable light valve adapted for use in an array for producing television pictures as a projected image upon a large display screen. The light valve structure is such that a plurality of reflective wing portions are free to be deflected along directional axes which are at an ...


3
Lachman Irwin M, Lewis Ronald M: Anisotropic cordierite monolith. Corning Glass Works, Bissell Barry S, Wardell Richard N, Patty Jr Clarence R, May 27, 1975: US3885977 (192 worldwide citation)

An extruded, honeycombed, monolithic fired ceramic whose primary crystal phase is cordierite and whose microstructure is characterized by a greater than random orientation of the anisotropic cordierite crystallites with their low expansion direction aligned substantially parallel to the plane of the ...


4
Kosco Thomas J: Closed circuit television modem sharing system. Hughes Aircraft Company, MacAllister W H, Gerry Martin E, May 27, 1975: US3886302 (181 worldwide citation)

A system for controlling CATV program viewing in a plurality of modes of operation. In a first mode of operation, a downstream digital transmission causes control means to develop first binary data for comparison in a comparator with selected-channel code data from channel means to enable a first ci ...


5
Miyakawa Seinan, Shimoda Mitsuhiko: Electric camera shutter with voltage checking circuit. Asahi Kogaku Kogyo Kabushiki Kaisha, Steinberg & Blake, May 27, 1975: US3886443 (138 worldwide citation)

A camera in which a circuit for automatically determining the extent to which film is exposed has a voltage source and a checking circuit for checking the condition of the voltage source. The checking circuit includes a meter to indicate the condition of the voltage source, a resistor and a diode co ...


6
Judson Donald W: Electrosurgical unit. The Birtcher Corporation, May 27, 1975: US3885569 (134 worldwide citation)

An electrosurgical unit for generating electrical signals intended for application to the body of a patient via an electrosurgical electrode, is disclosed. Cutting signals and coagulation signals, as well as a blend of both signals, are generated by the unit under the control of a mode control circu ...


7
Oakley Charles Burkhardt, Schwarz Hans George: Control apparatus for a two-way cable television system. RCA Corporation, Whitacre Eugene M, DeCamillis Mason, May 27, 1975: US3886454 (119 worldwide citation)

In two-way cable television systems, return channel noise inherently limits the number of permissible subscribers. The apparatus of this invention reduces the return noise from subscribers not using the service by means of an adaptive return path amplifier, through carrier operated squelch control o ...


8
Buckley William D: Filament-type memory semiconductor device and method of making the same. Energy Conversion Devices, Wallenstein Spangenberg Hattis & Strampel, May 27, 1975: US3886577 (112 worldwide citation)

An improved memory device to be used in a D.C. curcuit which device includes a pair of spaced electrodes between which extends a body of a generally amorphous high resistance memory semiconductor material made of a composition of at least two elements and wherein the application to the electrodes of ...


9
Pogonowski Ivo C: Method of sealing two telescopic pipes together. Texaco, Whaley T H, Ries C G, Nichols Theron H, May 27, 1975: US3885298 (108 worldwide citation)

At least two methods of swaging one vertical smaller tubular member internally of a larger tubular member are disclosed. One device for practicing the method comprises a cylindrical swage block for loosely fitting in the large tubular member and resting on the upper edge of the inner smaller tubular ...


10
Cottin Jean, Laxaque Jean: Automatic vehicle-monitoring system. Thomson-CSF, Ross Karl F, Dubno Herbert, May 27, 1975: US3886515 (107 worldwide citation)

A plurality of public-transport surface vehicles such as buses, each identified by an individual number, are equipped with transmitters for sending out that identification number together with heading and positional data conveying information on direction of travel and momentary distance from a poin ...