11
Harry Greenberg, Richard Auerbach: Directional antenna system with end loaded crossed dipoles. Avnet, Darby & Darby, March 11, 1980: US04193077 (96 worldwide citation)

An electrically directable antenna system is provided which is tunable to individual stations in the FM band. The antenna system includes a pair of crossed, forshortened dipole components which are arranged to be mutually perpendicular. Each of the dipole components includes a pair of longitudinally ...


12
Joseph M Kos, John P Patrick, Kermit I Harner: Multi-mode control system for wind turbines. United Technologies Corporation, Donald F Bradley, March 11, 1980: US04193005 (92 worldwide citation)

A multi-mode electronic wind turbine control system establishes a reference blade angle for a two-bladed, horizontal axis, variable pitch wind turbine rotor, the blade angle being regulated by a hydraulic pitch change mechanism. The rotor, via appropriate shafts and a gearbox, is coupled to a synchr ...


13
Eugene P Finger, Eugene A Sands: Method and apparatus for measuring the state of charge of a battery by monitoring reductions in voltage. Curtis Instruments, Pennie and Edmonds, March 11, 1980: US04193026 (86 worldwide citation)

A method and apparatus are disclosed for measuring the state of charge of a battery. The apparatus comprises threshold means for sensing reductions below a threshold level in the output terminal voltage of the battery and for producing a signal in response thereto and means for integrating said sign ...


14
Ole J M Arborg: Propelling nozzle for means of transport in air or water. Ladas Parry Von Gehr Goldsmith & Deschamps, March 11, 1980: US04192461 (86 worldwide citation)

The invention relates to the propulsion of transport vehicles in air or water, which involves the new use of a nozzle comprising an internal surface, a curved surface merging into the internal surface, a narrowed throat in the internal surface located towards the leading edge of the nozzle, a jacket ...


15
Joseph F Yello: Addressable event display and control system. Zenith Radio Corporation, Cornelius J O Connor, March 11, 1980: US04193120 (84 worldwide citation)

An addressable event display and control system for use with a clock controlled programmable memory employs an array of LED's as event designators each of which signifies, when energized, a programmed event in the memory. A bank of seven dual LED's, which is coupled to the memory, is selectively ene ...


16
James L Chen, Rudolfo D Cilento, John A Hill, Anthony L La Via: Ostomy adhesive. E R Squibb & Sons, Lawrence S Levinson, Stephen B Davis, March 11, 1980: US04192785 (82 worldwide citation)

An adhesive composition adapted for use with an ostomy appliance consisting of a mixture of a hydrocolloid gum, a pressure sensitive adhesive, and a cohesive strengthening agent. The cohesive strengthening agent is either an inert natural or synthetic fibrous material, finely divided cellulose, a cr ...


17
Shingo Arase, Roy J Lahr: Apparatus for assisting in the transposition of foreign language text. Xerox Corporation, Barry Paul Smith, March 11, 1980: US04193119 (81 worldwide citation)

A device is provided for printing a verbal composition in a text form transposed by an operator from the language form in which the source material is presented. Language character forms from different written language formats are encoded and maintained in electronic storage. An operator of the devi ...


18
James J Felfoldi: Disposable diaper with wetness indicator. William W Haefliger, March 11, 1980: US04192311 (76 worldwide citation)

A disposable article comprises a translucent sheet of substantially water impervious material and a moisture absorbent pad associated with the sheet. Also, a visual indicator is located proximate the sheet, and a mask is located between the indicator and sheet, the mask characterized when dry as mas ...


19
Bernard Kotyuk: Pill package. Primary Design Group, Wolder Gross & Yavner, March 11, 1980: US04192422 (75 worldwide citation)

A pill package of the type including child-proof features makes use of the standard blister card for mounting the pills. A plastic shield is constructed to provide a slidable mating relationship with the blister card in an unlocked position and the card and shield together defining locking means whe ...


20
Mahboob Khan, Gordon C Godejahn Jr, Gary L Heimbigner, Noubar A Aghishian: Process for and structure of high density VLSI circuits, having inherently self-aligned gates and contacts for FET devices and conducting lines. Rockwell International Corporation, March 11, 1980: US04192059 (74 worldwide citation)

A process for producing VLSI (very large scale integrated) circuits employs techniques of self-aligned gates and contacts for FET devices and self-aligned contacts for both diffused conducting lines in the substrate and polysilicon conducting lines situated on isolating field oxide formed on the sub ...