Hitoshi Suzuki, Shigekatsu Takahashi, Yoshiki Fujioka: Memory protection system for effecting alteration of protection information without intervention of control program. Hitachi, Antonelli Terry & Wands, February 28, 1984: US04434464 (167 worldwide citation)

In a memory protection system for a computer, memory protection information provided for each of the memory areas of a memory and memory protection information provided for each of the programs executed by a processor are collated to determine allowance/inhibition of access to the memory. By detecti ...

Stephen N Levine, Ezzat A Dabbish, John P Byrns: Scrambler key code synchronizer. Motorola, Charles L Warren, Edward M Roney, James W Gillman, February 28, 1984: US04434323 (161 worldwide citation)

A method for synchronizing the scrambling sequences of communicating scrambler units of a privacy communications system in a reliable and secure manner. The method is particularly adapted for use in noisy or fade prone transmission environments, and permits late entry of authorized third parties to ...

Mutsukazu Kamo, Seiichiro Matsumoto, Yoichiro Sato, Nobuo Setaka: Method for synthesizing diamond. National Institute for Researches in Inorganic Materials, Oblon Fisher Spivak McClelland & Maier, February 28, 1984: US04434188 (155 worldwide citation)

A method for synthesizing diamond wherein hydrogen gas which has passed through a micro-wave non-electrode discharge and mixed with hydrocarbon gas, or a mixture gas consisting of hydrocarbon and hydrogen after its passing through a micro-wave non-electrode discharge, is introduced onto the surface ...

Saeid Seyedin, Thomas Thomas: Partially purified osteogenic factor and process for preparing same from demineralized bone. Collagen Corporation, Ciotti & Murashige, February 28, 1984: US04434094 (135 worldwide citation)

A process for partially purifying an osteogenic factor from demineralized bone particles in which nonfibrous proteins are extracted from the demineralized bone with a dissociative extractant for nonfibrous proteins, such as urea or guanidine hydrochloride, the extracted nonfibrous proteins are fract ...

John Urquhart, Felix Theeuwes: Drug delivery system comprising a reservoir containing a plurality of tiny pills. Alza Corporation, Paul L Sabatine, Edward L Mandell, February 28, 1984: US04434153 (132 worldwide citation)

A delivery device is disclosed for delivering a beneficial drug to a biological environment of use. The device comprises a hydrogel reservoir containing tiny pills. The tiny pills comprise a wall surrounding a drug core.

Giorgio Baggio: Closure device particularly for ski boots. Nordica S p A, Guido Modiano, Albert Josif, February 28, 1984: US04433456 (130 worldwide citation)

The closure device comprises a box-like body associated with one of the ski boot flaps to be brought together and provided with a knob for actuating a spool whereon at least one small cable associated with the other of the flaps to be brought together is wound. Also provided is a ratchet gear mechan ...

Gayheart C Kleykamp, Sam Goldwater, Charles L Salsbery: Addressable premium channel obfuscation device for cable television systems. Bruce Merrill, Cahill Sutton & Thomas, February 28, 1984: US04434436 (125 worldwide citation)

An obfuscation device for use in cable television systems includes a memory for storing a plurality of channel status bits. The state of each channel status bit corresponds to the authorization or non-authorization of a particular channel. The obfuscation device includes a circuit for selecting a nu ...

Yoshihiro Watanabe: Automatic bank note transaction apparatus. Tokyo Shibaura Denki Kabushiki Kaisha, Cushman Darby & Cushman, February 28, 1984: US04434359 (124 worldwide citation)

An automatic bank note transaction apparatus comprises a first unit detachably mounted in a housing and including safes disposed at one side thereof and a second unit provided in the housing, adjacent to and detachably mounted on the first unit and connected to a bank note dispensing port of the hou ...

Gary S Ash: Article and method for forming thin film flakes and coatings. Optical Coating Laboratory, Flehr Hohbach Test Albritton & Herbert, February 28, 1984: US04434010 (120 worldwide citation)

Articles and methods for forming thin film flakes and replicated coatings having preselected optical properties. The articles generally comprise a flexible web of material and an optical coating formed on one surface of the web. Web materials having the characteristic of being soluble in a preselect ...

Larry C Puhl: Microprocessor with duplicate registers for processing interrupts. Motorola, Rolland R Hackbart, James W Gillman, February 28, 1984: US04434461 (118 worldwide citation)

A unique microprocessor for controlling portable and mobile cellular radiotelephones is architectured to process high speed supervisory signalling, while also minimizing power drain. The architecture of the microprocessor is organized around three buses, a data bus, a register bus and an address bus ...