1
Gerald Meltz, Elias Snitzer: Fiber optic strain sensor. United Technologies Corporation, Richard P Lange, October 20, 1981: US04295738 (183 worldwide citation)

An optical fiber having at least two cores positioned in a common cladding can be fabricated to be responsive to strain or hydrostatic pressure but not to temperature through the selection of materials, spacing and shape of the cores and cladding in the fiber. Accordingly, the cross-talk between adj ...


2
Alfred A Shihata: Ureteric stone extractor with two ballooned catheters. John E McGarry, October 20, 1981: US04295464 (159 worldwide citation)

A ureteric stone extractor (100) is disclosed wherein an inner dislodger catheter (101) is slidable within a relatively larger outer dialator catheter (102). The dislodger catheter (101) comprises a lumen (104) having a stiffening metal stylet (106) therein to allow it to easily pass beyond a stone ...


3
Nicholas S Lemak: Data mover. Honeywell Information Systems, Edward W Hughes, Wm W Holloway Jr, Ronald T Reiling, October 20, 1981: US04296465 (141 worldwide citation)

A data mover for moving blocks of data stored in a first location of the working store of a data processing system to a second location in the working store. The data mover is provided with the necessary registers, switches, counters and control circuits to issue read and write commands to the worki ...


4
Toshitami Hara, Yashushi Sato, Yasushi Takatori, Yoshiaki Shirato: Ink jet recording device using thermal propulsion and mechanical pressure changes. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 20, 1981: US04296421 (133 worldwide citation)

A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of a discharging orifice for ejecting the liquid recording medium in a form of droplets, an inlet for introducing the liquid recording medium, a liquid chamber for holding th ...


5
Steven B Cullison, Charles B Slack: Loudspeaker overload protection circuit. Altec Corporation, Edward A Sokolski, October 20, 1981: US04296278 (114 worldwide citation)

The output of an audio power amplifier fed to a loudspeaker driver is sensed and when this output exceeds a predetermined level, a switch control circuit operates to place a current limiting device, such as a power resistor, in series with one of the driver feed lines, thereby reducing the power fed ...


6
Werner Meier: Packing element for an exchange column. Sulzer Brothers, Kenyon & Kenyon, October 20, 1981: US04296050 (109 worldwide citation)

The packing element is made up of a plurality of corrugated plates which are provided with a plurality of apertures as well as with a fine fluting on the walls of the corrugations. The flutings are disposed on both sides of the plates. The flutings are in the form of grooves which extend at an angle ...


7
Ryoichi Sado: Interconnectors. Shin Etsu Polymer, Toren McGeady & Stanger, October 20, 1981: US04295700 (104 worldwide citation)

A novel press-contact type interconnector is proposed which is formed by comprising (a) a rectangular connecting piece made of a film or sheet of an elastic material having anisotropical electroconductivity in the direction substantially parallel to one edge line thereof and (b) a couple of holder m ...


8
Roger B Whitaker, Charles W Blevins: Combine performance monitor. Dickey john Corporation, Trexler Bushnell & Wolters, October 20, 1981: US04296409 (104 worldwide citation)

A combine performance monitor includes a programmed, special purpose computer coupled to a plurality of sensors for detecting a plurality of different operating conditions in a combine. The special purpose computer cooperates with operator accessible controls for calculating a plurality of predeterm ...


9
Antonie E Verbeek, Jozef M J Mattheij: Reagent for the quantitative determination of water. J T Baker Chemicals, George W Rauchfuss Jr, October 20, 1981: US04295990 (102 worldwide citation)

A reagent for the quantitative determination of water in combination with a titration solution containing iodine is described. The reagent contains sulfur dioxide and an anhydrous alkali metal acetate in 2-methoxy ethanol or a mixture of 2-methoxy ethanol and methanol in a volume ratio of at least 1 ...


10
Robert E Fischell: Recorder with patient alarm and service request systems suitable for use with automatic implantable defibrillator. The Johns Hopkins University, Robert E Archibald, October 20, 1981: US04295474 (98 worldwide citation)

The invention relates to a system and apparatus, particularly adapted for use with an automatic implantable defibrillator, for monitoring electrocardiagram (ECG) data signals to provide a continuously updated recording of the ECG data. The proposed recorder responds to the operating condition of the ...