Toru Teshima, Jun ichi Nishizawa, Yasunori Kishi: Colored-light emitting display. Stanley Electric, Cushman Darby & Cushman, June 2, 1981: US04271408 (400 worldwide citation)

A plurality of cellular concave mirror surfaces are formed on a plate-like reflector unit, and a plurality of light-emitting diodes are disposed on these cellular concave mirror surfaces to jointly form a colored light source. Connection wirings to be connected with a power supply source are provide ...

Manfred Franetzki, Klaus Gagneur, Karl Prestele: Device for the pre-programmable infusion of liquids. Siemens Aktiengesellschaft, Hill Van Santen Steadman Chiara & Simpson, June 2, 1981: US04270532 (237 worldwide citation)

Particularly for diabetes therapy, it is desirable to continuously infuse insulin in varying installments into the body of the patient. A control device serves as a program transmitter for a microdosing unit. The physician should be able to pre-program the daily profile of the infusion and, if neces ...

Richard A Romaine: Automatic hypodermic syringe. Eugene D Farley, June 2, 1981: US04270537 (165 worldwide citation)

A hypodermic syringe and automatic needle insertion device wherein the syringe is biased against a trigger when the needle is in its retracted position. Upon release of the trigger the syringe and needle are driven forward, extending the needle into the underlying tissue. The depth of insertion may ...

Dale A Steffen, Ronald E Sturm, George A Rinard: Vital signs monitoring system. University Patents, O Rourke & Harris, June 2, 1981: US04270547 (161 worldwide citation)

A system is disclosed for monitoring vital physiological signs. Each of the system components utilizes a single hybrid circuit with each component having high accuracy without the necessity of repeated calibration. The system also has low power requirements, provides a digital display, and is of suf ...

Kotaro Hatada, Masaru Higuchi, Hiroshi Iwata: Sound-recording instant-printing film and camera therefor. West Electric Company, Cushman Darby & Cushman, June 2, 1981: US04270853 (145 worldwide citation)

Instant-printing film further comprises a magnetic sound-recording band on one end part thereof, and is installed in an instant-printing camera which has a sweeping magnetic recording/reproducing head that sweeps touching and along the magnetic sound recording band, thereby enables recording of ambi ...

Martin L Grogan: Method and apparatus for protecting alternating current circuits. Rockwell International Corporation, Richard K Robinson, Howard R Greenberg, H Fredrik Hamann, June 2, 1981: US04271449 (130 worldwide citation)

A method and apparatus is disclosed for protecting a circuit from excessive current flow by pulse width modulation of a current sense signal and interrupting the circuit when the width of the pulse is less than a reference period.

Richard L Columbus: Capillary transport device having connected transport zones. Eastman Kodak Company, Dana M Schmidt, June 2, 1981: US04271119 (115 worldwide citation)

A device is disclosed comprising first and second capillary liquid transport zones provided by first and second pairs of opposing surfaces, the opposing surfaces of the second zone both extending from the same one of the paired surfaces of the first zone. The inlet to the second zone is a diverting ...

Charles M Wine: Receiver with a channel swapping apparatus. RCA Corporation, Eugene M Whitcare, Paul J Rasmussen, Peter M Emanuel, June 2, 1981: US04271532 (104 worldwide citation)

A television tuning system includes apparatus for swapping or exchanging a presently selected channel for a previously saved channel when a user operates a switch provided for that purpose. The apparatus is arranged so that the saved channel is unaffected by channel selections so that it may be used ...

Marlin S Heilman: Method for implanting cardiac electrodes. Mieczyslaw Mirowski, Fleit & Jacobson, June 2, 1981: US04270549 (100 worldwide citation)

A method for implanting an electrode adjacent the heart of a patient without requiring major surgery. A skin incision is made in the anterior thoracic region and/or in the abdominal wall, and by means of a specialized implantation tool tunnels are created through which the electrodes may be inserted ...

Neal T Christensen, William C Van Loo, Robert H Werner, Joseph A Wetzel, Carl Zeitler Jr: Multiprocessor mechanism for handling channel interrupts. International Business Machines, Bernard M Goldman, June 2, 1981: US04271468 (97 worldwide citation)

The disclosure relates to multiprocessor handling of plural queues of pending I/O interrupt requests (I/O IRs) in a main storage (MS) shared by plural central processors (CPs). An input/output processor (IOP) inserts I/O IR entries onto the queues in accordance with the type of interrupt. The entrie ...