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Francis J Fry: Non-invasive tissue thermometry system and method. Indianapolis Center for Advanced Research, Barnes & Thornburg, February 28, 1989: US04807633 (105 worldwide citation)

It has been observed that attenuation of a transmitted or reflected beam of ultrasound in tissue irradiated with such a beam having a power intensity in the tissue in the non-linear range will change measurably as the tissue temperature changes. Based upon this observation, a method and apparatus fo ...


43
Rudolph Peters, Ronald L Peters, William Taylor: Method and apparatus for storing, dispensing, and applying surgical staples. Edward Weck & Company, Harris Zimmerman, Howard Cohen, February 28, 1989: US04807628 (105 worldwide citation)

A method and apparatus for storing and automatically dispensing and applying surgical staples in serial fashion includes a pistol-like tool having means for storing a large plurality of staples in parallel, stacked column fashion aligned along the longitudinal (barrel) axis of the tool. A form tool ...


44
Masahiro Higuchi, Haruki Fukuda, Kenshi Tazaki, Masahiro Matsuda, Tomohiko Awazu: Packet data communication system with ring type transmission line. Fujitsu, Staas & Halsey, February 28, 1989: US04809267 (104 worldwide citation)

A packet data communication system with a ring-type transmission line circulates a predetermined number of slots in which packets to be transmitted are loaded. The system includes interface nodes, provided on the ring-type transmission line, for loading packets on slots and receiving packets from sl ...


45
Konrad Eckert: Speed control system for motor vehicles operating in a curved path. Robert Bosch, Frishauf Holtz Goodman & Woodward, February 28, 1989: US04809183 (99 worldwide citation)

To prevent slip-out or slide-out of a vehicle operating in a curve, the lateral stability or, respectively, instability of the vehicle is determined and, if instability or incipient instability is sensed, the vehicle is automatically braked, and/or engine torque of the vehicle engine is reduced. A r ...


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Mark J Krichever, Boris Metlitsky, Jerome Swartz: Bar code symbol readers with variable spot size and/or working distance. Symbol Technologies, Kirschstein Kirschstein Ottinger & Israel, February 28, 1989: US04808804 (99 worldwide citation)

Systems for changing the working distance and/or the beam spot size of an outgoing laser beam scanned across symbols to be read by a bar code symbol reader use different optical assemblies, or a single optical assembly having changeable light-transmissive portions of a plate, or changeable pupils, o ...


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Mikhail Godkin, Jack Kimble: Moving coil linear actuator with interleaved magnetic circuits. BEI Electronics, Limbach Limbach & Sutton, February 28, 1989: US04808955 (94 worldwide citation)

According to a preferred embodiment of the present invention, a double-ended moving coil linear actuator is provided comprising a cylindrical core and a hollow shell disposed around the core to define an annular space between the inner wall of the shell and the outer wall of the core. A non-magnetic ...


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Clarence W Neher: Electromagnetic pulse rotary seal. The United States of America represented by the Secretary of the Air Force, Fredric L Sinder, Donald J Singer, February 28, 1989: US04807891 (92 worldwide citation)

An rotary seal for protection against electromagnetic interference and electromagnetic pulses is disclosed. An electrically conductive resilient bellows surrounds a shaft extending through an opening in an enclosure. The bellows is attached at one end to the shaft and biased against the enclosure at ...


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Alfred E Mann, Joseph H Schulman: Medication infusion system with disposable pump/battery cassette. Pacesetter Infusion, Leslie S Miller, February 28, 1989: US04808167 (92 worldwide citation)

A disposable cassette for use with a main infusion pump unit is disclosed which contains both a disposable pump and a battery, thereby requiring the simultaneous replacement of both the pump and the battery. The controller contained in the main pump unit includes a timer which prevents the cassette ...


50
Kazuhiro Kondo, Toshiro Suzuki, Takanori Miyamoto: Voice and data multiplexer system. Hitachi, Pennie & Edmonds, February 28, 1989: US04809271 (88 worldwide citation)

A system in which two stations are respectively provided with telephones and data terminals such that a voice and data are multiplexed for communication between the two stations. Each station has a circuit to convert voice signals inputted from the telephone into a plurality of kinds of predetermine ...