61
Syun Egusa, Nobuhiro Gemma: Organic electroluminescent device. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt, March 15, 1994: US05294810 (87 worldwide citation)

In an organic electroluminescent device including first and second electrodes opposite to each other and a multi-layered body which is sandwiched between these electrodes and consists of a plurality of organic films including a light-emitting layer, a material for each organic film and electrode is ...


62
Ghassan R Gebara: Method of and apparatus for startup of a digital computer system clock. Compaq Computer Corporation, Pravel Hewitt Kimball & Krieger, March 15, 1994: US05294894 (86 worldwide citation)

A method of starting up a system clock that has been generated by a phase-locked loop, and circuitry for accomplishing that method. A low frequency master clock signal is distributed to circuits that generate high frequency local clock signals. These circuits generate the high frequency local clock ...


63
Jerry J Heep, Douglas R Curtis: Battery operated capacitance measurement circuit. Tandy Corporation, Cesari and McKenna, March 15, 1994: US05294889 (86 worldwide citation)

A capacitance measuring circuit uses only a DC voltage source to perform the capacitance measurement. For this purpose, the circuit is arranged to charge an unknown capacitor which is being measured from a DC source and to discharge the capacitor through a constant current circuit such that the disc ...


64
Michael Yamamura: Apparatus for providing a system clock locked to an external clock over a wide range of frequencies. Apple Computer, Blakely Sokoloff Taylor & Zafman, March 15, 1994: US05295164 (86 worldwide citation)

A digital phase lock loop circuit for synchronizing the phase of clock signals delivered to devices through clock tree circuitry with the phase of input clock signals including a first delay line, a second delay line, a phase detector circuit, apparatus for transferring the input clock signals throu ...


65
Kenneth J Kerpez: Coordinated coding for digital transmission. Bell Communications Research, Leonard C Suchyta, Loria B Yeadon, March 15, 1994: US05295159 (85 worldwide citation)

Methodology, and associated circuitry, for encoding and decoding an incoming data stream utilize a coordinated code constellation that effects robust signal detection in the presence of channel interference. The encoder partitions the incoming data stream into contiguous data segments in proportion ...


66
Henry Martinez, Joann Yastine, Steven Chen: Electrical overstress materials and method of manufacture. Leviton Manufacturing Co, Matthew F Jodziewicz, March 15, 1994: US05294374 (84 worldwide citation)

This invention provides a method of preparing an electrical overstress material having a nonlinear resistance which declines sharply in response to an electric field exceeding a clamping voltage so as to be able to shunt out transient surges which method comprises using an adhesive binder, for examp ...


67
Hiroki Fukushima: Facility management apparatus having touch responsive display screens. Yamatake Honeywell, Blakely Sokoloff Taylor & Zafman, March 15, 1994: US05295062 (83 worldwide citation)

A facility management apparatus includes a display unit for designating a facility system and selectively displaying a corresponding individual facility system screen. The individual facility system screen includes a point display section and an associated screen pull-down section. The point display ...


68
Harold P Schick: Hollow composite interior door assembly. March 15, 1994: US05293726 (82 worldwide citation)

A hollow composite interior door assembly includes a pair of sheet molding compound skins mounted on a rectangular frame. No spacer is used to provide the necessary rigidity to the structure. Rather, the skins are adhered to each other along opposed recesses crating a lattice structure framework tha ...


69
Yong H Zhu, Wolff M Kirsch: Bladed endoscopic retractor. Loma Linda University Medical Center, Knobbe Martens Olson & Bear, March 15, 1994: US05293863 (82 worldwide citation)

A retractor is provided for use during endoscopic surgery. Bladed instruments located inside the patient's body at an insertion end of the retractor are manipulated by controls located outside the body at a control end. In three embodiments, the retractor comprises a tubular body having an insertion ...


70
Hiroki Fukuoka: Digital electronic still camera. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, March 15, 1994: US05295077 (82 worldwide citation)

A digital electronic still camera has an image pickup device to pick up an image to be photographed. The picked-up image data is compressed by a data compressing unit using the two-dimensional discrete cosine transformation (DCT), the optimum quantization table, and the Huffman coding. The optimum q ...