1
Toshitami Hara: Liquid jet recording process and liquid jet recording head. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 26, 1982: US04313124 (1232 worldwide citation)

A liquid jet recording process and liquid jet recording head are driven by heat energy generated by an electrothermal transducer. The operating conditions as to heating and others are disclosed and further desirable dimensions of the electrothermal transducer are determined by referring to various c ...


2
David S Jordan, Roy P Weber: Method of providing person locator service. Bell Telephone Laboratories Incorporated, J W Herndon, F W Padden, January 26, 1982: US04313035 (450 worldwide citation)

A method is disclosed of using the public switched telephone network, including the CCIS (Common Channel Interoffice Signaling) system, to provide nationwide personal locator telephone service for called subscribers. In accordance with the service, a calling party may reach a called subscriber where ...


3
Brian T Donohue: Cannula and drill guide apparatus. January 26, 1982: US04312337 (333 worldwide citation)

A cannula and guide apparatus for use in drilling and wiring fractured bones having generally scissor-like handle arms pivotally joined and having jaw extensions beyond the pivot point. A hollow tubular cannula section is mounted on each jaw extension such that when the handle arms are closed, the c ...


4
George M Barney: Instrument for measuring and computing heart beat, body temperature and other physiological and exercise-related parameters. Texas Instruments Incorporated, Melvin Sharp, Leo N Heiting, Mark E Ogram, January 26, 1982: US04312358 (219 worldwide citation)

A body-mounted measuring instrument senses the heart beat and inner body temperature of a user. The instrument includes a computing circuit and a timekeeping circuit for calculating elapsed time, total heart beats, pulse rate, and difference in body temperature from a predetermined normal temperatur ...


5
Nicholas F Maxemchuk: Spread spectrum arrangement for (de)multiplexing speech signals and nonspeech signals. Bell Telephone Laboratories Incorporated, Richard J Roddy, January 26, 1982: US04313197 (213 worldwide citation)

It is known to multiplex speech signals and nonspeech signals over a common communication path. One arrangement uses a portion of the frequency spectrum of the path for speech signals with the remainder for nonspeech signals. Another inserts data signals during gaps in the speech signals. Still anot ...


6
Gholam A Peyman, Jeffrey E Koziol, Hirotsugu Yasuda: Soft corneal contact lens with tightly cross-linked polymer coating and method of making same. Roylance Abrams Berdo & Farley, January 26, 1982: US04312575 (213 worldwide citation)

A soft corneal contact lens comprising a soft, highly oxygen-permeable, polymeric lens having formed on the surface thereof an ultrathin, optically clear, impermeable barrier coating. The barrier coating is tightly cross-linked and comprises the reaction product resulting from an electrical glow dis ...


7
Jerome Drexler, Eric W Bouldin: Method for making a broadband reflective laser recording and data storage medium with absorptive underlayer. Drexler Technology Corporation, January 26, 1982: US04312938 (174 worldwide citation)

A broadband laser recording and data storage medium for direct read after writing, formed from a photosensitive silver-halide emulsion in four steps. First, a non-saturating actinic radiation exposure is used to create latent images. A normal photographic development is used to produce a medium of g ...


8
Set Shahbabian: Method of creating and enlarging an opening in the brain. Mayfield Education and Research Fund, Wood Herron & Evans, January 26, 1982: US04312353 (172 worldwide citation)

The method of creating and enlarging an opening in the brain with minimal damage to nerve tissue. A catheter consisting of a stylette surrounded by an inflatable sac having a rounded tip is very gently inserted into the brain. When inserted a distance up to about 21/2 inches, the sac is inflated by ...


9
Volker Riedl: Surface hardening of cams of motor-vehicle camshafts. Audi Nsu Auto Union Aktiengesellschaft, Karl F Ross, January 26, 1982: US04312685 (170 worldwide citation)

A cam of a camshaft has its surface hardened by rotating the camshaft about its axis while maintaining a TIG torch at a fixed spacing from the surface, and while relatively axially reciprocating the torch and the camshaft so the torch heats the surface along an undulating path. The pitch or crest-to ...


10
Guy Convert, Felix Diamand, Jacques Dufour, Jean Paul Le Bourgeois: Apparatus for localized heating of a living tissue, using electromagnetic waves of ultra high frequency, for medical applications. C G R MeV, Oblon Fisher Spivak McClelland & Maier, January 26, 1982: US04312364 (144 worldwide citation)

An apparatus for thermal treatment of the human body, using electromagnetic waves (200 to 2500 Mc/s) and radiometric receivers for monitoring and possibly controlling the temperature reached by the living tissues. A generator at ultra high frequency delivers a power of about one Watt into a coaxial ...