1
Fuminori Suzuki, Singo Ichikawa: DC-to-DC Voltage converter. Citizen Watch Company, Jordan and Hamburg, May 29, 1984: US04451743 (277 worldwide citation)

A DC-to-DC voltage converter is disclosed for converting the voltage from a battery to provide a power supply voltage whose value can be equal to the battery voltage multiplied by or divided by a non-integral factor, e.g. 2/3. The converter operates on the principle of capacitor charge switching, an ...


2
Teratani Hiroshi, Inoue Takeo, Kobayashi Toshiyuki: Dispositif a electrode pour le chauffage electrique de gisements dhydrocarbures, Electrode device for electrically heating underground deposits of hydrocarbons. Mitsubishi Denki Kabushiki Kaisha, RICHES MCKENZIE & HERBERT, May 29, 1984: CA1168283 (275 worldwide citation)

M14-25429M/KH/81 ABSTRACT OF THE DISCLOSUREAn electrode device for electrically heating undergrounddeposits of hydrocarbons such as oil sand or oil shale. Pluralwell pipe sections are joined through insulated pipe joints withan electrode connected through one of the insulated pipe jointsto a lower o ...


3
Gregory L Zick, Stanley H Saulson: Solid state reference electrode. Cordis Corporation, Kenway & Jenney, May 29, 1984: US04450842 (258 worldwide citation)

In the reference electrode construction disclosed herein, silver and silver chloride particles are incorporated in a mixture including a fusible glass frit. After being printed on a suitable substrate, the mixture is fired to bond the silver/silver chloride composite into a conductive film on the su ...


4
Mark W Bendig: Viewdata system and apparatus. OCLC Online Computer Library Center Incorporated, Mueller and Smith, May 29, 1984: US04451701 (216 worldwide citation)

A viewdata system and decoder apparatus for providing interactive communication between a host computer and a consumer which utilizes, without modification, a conventional television receiver. The system utilizes telephonic communication, the handset of a telephone being positioned upon an acoustic ...


5
Katsuji Yamashita, Hiroshi Umetsu, Hirotaka Sato, Yoshio Matsuoka, Kei Kida: Automatic chemical analyzer. Hitachi, Antonelli Terry & Wands, May 29, 1984: US04451433 (187 worldwide citation)

An automatic chemical analyzer suitable for chemically analyzing a number of analysis items is disclosed. Samples in sample containers are sequentially dispensed to an array of reaction vessels using a first pipetting tube. Reagent solutions selected in accordance with the analysis items are fed to ...


6
Paul W Casper, Norman C Seiler, Thomas J Nixon, George A Waschka Jr, Charles R Patisaul, James W Toy, Willie T Burton Jr, W B Ashley, Fred J Orlando Jr, Ronald R Giri, Peter H Halpern, J Richard Jones, Harold Iley: Repeatered, multi-channel fiber optic communication network having fault isolation system. Harris Corporation, Antonelli Terry & Wands, May 29, 1984: US04451916 (186 worldwide citation)

A repeatered, multichannel fiber optic communication network includes a plurality of full duplex fiber optic channels and one or more auxiliary channels. In order to supervise and control the operation of the network, for both data transmission and fault/maintenance actions, each terminal station co ...


7
James H Harding: Mold device for making plastic articles from resin. General Electric Company, Frederick P Weidner Radford M Reams, May 29, 1984: US04451224 (174 worldwide citation)

An improved device for making plastic articles from resin and an improved runner block assembly for a mold for making plastic articles from resin have been made by providing a runner block assembly having at least one channel wherein the channel has a cross-section with two opposite sides having a l ...


8
Marvin A Kempner, Robert E Elder: Automatic audience survey system. M A Kempner, Joseph Zallen, May 29, 1984: US04451700 (164 worldwide citation)

A telephone based automatic audience survey system for polling an audience to obtain data representative of the opinion regarding a question of interest is disclosed having a first means responsive to incoming calls for answering the calls with an analog voice signal that both identifies the telepho ...


9
Andreas Weikl, Max Hubmann: Catheter set. Intermedicat, Merriam Marshall & Bicknell, May 29, 1984: US04451256 (139 worldwide citation)

In order to keep the opening for inserting a catheter into a blood vessel as small as possible, a catheter insertion tube is used which coaxially surrounds the puncturing canula and consists, at least in a circumferential area and/or at least along a portion of its length, of one or several dilatabl ...


10
Jack S Fuhrer: Plural operating mode ambient light responsive television picture control. RCA Corporation, E M Whitacre P J Rasmussen R H Kurdyla, May 29, 1984: US04451849 (137 worldwide citation)

The contrast of an image reproduced by a television receiver is manually adjustable by means of a picture control potentiometer, and automatically adjustable by means of an ambient light responsive circuit. Automatic picture control is accomplished selectively, independent of the manual control sett ...