Thiazolineazetidinone derivatives
We claim: 1. A compound of the formula 1 ##STR4## wherein R is selected from the group consisting of H; C.sub.1 -C.sub.4 alkoxy, phenoxy and benzyloxy; C.sub.1 -C.sub.8 alkyl, optionally substituted w... Read More
Inventors: Micetich, Ronald G.; Shaw, Chia-Cheng; Wolfert, Peter K.;, Assignee: Connlab Holdings Limited (CA) |
Oxazolines
What we claim is: 1. A process for preparing a compound of the formula ##STR67## which comprises reacting a compound of the formula ##STR68## with 1 to 2 mole equivalents of chlorine or sulfuryl chlor... Read More
Inventors: Tsuji, Teruji; Yoshioka, Mitsuru; Uyeo, Shoichiro; Hamashima, Yoshio; Kikkawa, Ikuo; Nagata, Wataru;, Assignee: Shionogi & Co., Ltd. (Osaka, JP) |
Penicillin derivatives
We claim: 1. A penicillin derivative represented by the following formula and alkali metal, alkaline earth metal, cyclohexylamine, trimethylamine, diethanolamine, alginine, lysine or ammonium salts th... Read More
Inventors: Micetich, Ronald G.; Yamabe, Shigeru; Hirata, Shoji; Ishida, Naobumi;, Assignee: Taiho Pharmaceutical Company, Limited (Tokyo, JP) |
Digital detector for a multi-frequency code in an analog signal
OF A PREFERRED EMBODIMENT The signal to be investigated is applied to an input 1 in FIG. I. In a sampling circuit 2, which is an analog-digital or A/D converter, the analog signal is sampled and quan... Read More
Inventors: de Keijzer, Johannes;, Assignee: Staat der Nederlanden (Staatsbedrijf der Posterijen, Telegrafie en (The Hague, NL) |
Alignment and focusing system for a scanning mask aligner
In order to accomplish the desired results, the invention provides, in one form thereof, a new and improved alignment system for a scanning mask aligner employing a continuous pattern on both the mask... Read More
Inventors: Markle, David A.;, Assignee: The Perkin-Elmer Corporation (Norwalk, CT) |
Gain control for scanning arrays
What is claimed is: 1. In a raster scanner having at least two arrays, each of said arrays having plural image viewing elements for viewing an original to provide video signals representative of the i... Read More
Inventors: Wiggins, Douglas G.;, Assignee: Xerox Corporation (Stamford, CT) |
Information recording medium having an area for recording information indicating logical erasure of data and method for recording information
It is an object of the present invention to provide information record medium and information record method which solve the problems encountered in the prior art and allow easy data management when a ... Read More
Inventors: Sakagami, Wataru; Ogasawara, Yutaka;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Television pick-up and display system suitable for continuous and short-duration information pick-up and for continuous display
What is claimed is: 1. Television pick-up and display system suitable for continuous and for short-duration information pick-up and for continuous display, which system comprises a television pick-up ... Read More
Inventors: Kemner, Rudolf; Marquerinck, Joost Egbert;, Assignee: U.S. Philips Corporation (New York, NY) |
Apparatus for recording digital data of various kinds on a slant track of a recording tape
It is therefore an object of the present invention to provide apparatus for recording digital data using a rotary head which can record continuous input digital data whose sampling frequency is unclea... Read More
Inventors: Yamamoto, Kaichi;, Assignee: Sony Corporation (Tokyo, JP) |
Video transmission apparatus for video teleconference terminal
The present invention aims at solving the problems of the related art described above, and has an object of providing a video transmission apparatus which is capable of transmitting video signals capt... Read More
Inventors: Imaiida, Satoshi;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Automatic focussing device
OF THE INVENTION FIG. 1 is a perspective view of a conventional automatic focussing device which makes use of a cylindrical lens for the purpose of producing astigmatism. A luminous flux emerged from... Read More
Inventors: Oinoue, Kenichi; Nagai, Shohei;, Assignee: Olympus Optical Co., Ltd. (Tokyo, JP) |
Disk cartridge contamination shield
The invention disclosed herein comprises an improvement in which the herein-described vortices of air are eliminated, thus eliminating a substantial cause of disk contamination. The disk cartridge is ... Read More
Inventors: Pollard, Christopher A.; Stiven, David;, Assignee: Burroughs Corporation (Detroit, MI) |
Electric circuit breaker utilizing semiconductor diodes for facilitating interruption
OF PREFERRED EMBODIMENT The Switches and the Diode Assemblies Referring now to FIG. 1, the schematically illustrated circuit breaker 10 comprises a pair of spaced-apart terminals 12 and 14 connected ... Read More
Inventors: Titus, Charles H.;, Assignee: General Electric Company (King of Prussia, PA) |
Apparatus for automatically setting the optimum performance characteristics of a tape recorder
It is an object of the present invention to provide a tape recorder capable of setting the recording level and/or the recording bias level to the optimum performance level within a short period. It is... Read More
Inventors: Muto, Kenji;, Assignee: Nippon Gakki Seizo Kabushiki Kaisha (Hamamatsu, JP) |
Magnetic recording method involving core pieces of different thickness
In view of the prior art situation, it is a first object of the present invention to provide a magnetic head which can make recording and erasing with a single magnetic head, with an erasing track wid... Read More
Inventors: Matsumoto, Takashi;, Assignee: Fuji Photo Film Co., Ltd. (JP) |
On-chip voltage supply regulator
What is claimed is: 1. An integrated circuit voltage supply regulator circuit in an integrated circuit chip comprising: an operational amplifier in an integrated circuit chip, the operational amplifie... Read More
Inventors: Hafner, Jr., Warren G.; Lowdenslager, John R.;, Assignee: Pitney Bowes Inc. (Stamford, CT) |
Induction motor control system
The present invention provides an induction motor control system comprising variable frequency power supply means for supplying an AC power to a primary winding of an induction motor including a short... Read More
Inventors: Akamatsu, Masahiko;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Digital servo system for motor driven apparatus
Accordingly, an object of the present invention is to provide a digital servo system which can reduce the number of connection pins in IC configuration. Another object of the present invention is to p... Read More
Inventors: Ito, Kenji;, Assignee: Kabushiki Kaisha Toshiba (Kanagawa, JP) |
Video disc package having a center post
Pursuant to the present invention, a video disc package comprises a base member and a cover member hingedly secured to the base member, the members defining a cavity for enclosing a centrally aperture... Read More
Inventors: Pulse, Carl Frederick;, Assignee: RCA Corporation (New York, NY) |
Video disc caddy
What is claimed is: 1. In a disc record package including a record retaining spine removably housed in an outer sleeve; said record retaining spine having a leading closure portion and a trailing annu... Read More
Inventors: Prusak, John J.; Patel, Bhupendra P.;, Assignee: RCA Corporation (New York, NY) |
CRT Drive circuit comprising white and black level clamping circuitry
It is an object of the present invention to provide a CRT drive circuit in a CRT display device which can be used as a computer terminal, which circuit can be readily checked for proper operation. It ... Read More
Inventors: Nakashima, Akio; Okamoto, Yoshimasa;, Assignee: Hitachi, Ltd. (JP) |
Thermal head drive circuit
Accordingly, an object of this invention is to provide a thermal head drive circuit for a recording device adapted to thermally record data, in which the amounts of thermal energy applied to the heat ... Read More
Inventors: Moriguchi, Haruhiko; Inui, Toshiharu; Kurata, Masami;, Assignee: Fuji Xerox Co., Ltd. (Tokyo, JP) |
Ghost cancelling system
We claim: 1. In a ghost cancelling system having a transversal filter formed of a signal delay circuit with a plurality of taps, a weighting circuit connected to the taps of said signal delay circuit,... Read More
Inventors: Saito, Junya; Yamada, Hisafumi; Tsutsui, Ichiro;, Assignee: Sony Corporation (Tokyo, JP) |
Circuit for detecting synchronization pulses in a composite signal
What is claimed is: 1. Circuit for detecting and regenerating synchronization pulses in a composite signal constituted by synchronization pulses alternating with information signals, comprising first ... Read More
Inventors: Tandart, Pascal R.; Villevielle, Jean L.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
Mine roof movement monitor
OF PREFERRED EMBODIMENTS Referring now to the drawings in detail, FIG. 1 illustrates an installation for the mine roof movement monitor of the present invention generally referred to by reference num... Read More
Inventors: Conkle, Ellsworth V.;, Assignee: |
Circuit for delaying a composite video signal by a line duration, particularly for use with a video record player
The invention is directed to the problem of increasing the maximum admissible amplitude of the information signal traversing the storage, and also of the S/N ratio. To this end, the invention is based... Read More
Inventors: Scholz, Werner;, Assignee: Ted Bildplatten Aktiengesellschaft AEG-Telefunken-Teldec (CH) |
Determining boundaries of a transparent tube
Referring now to FIG. 1, there is shown an envelope assembly or article 11 of a prior art mercury-wetted sealed contact switch. The switch, however, is not shown in its entirety. The switch includes ... Read More
Inventors: Montone, Liber J.;, Assignee: Western Electric Company, Inc. (New York, NY) |
Low thermal impedance light-emitting diode package
In the sequel, we mean by "light-emitting semiconductor devices" or equivalent terms, devices whose useful output of electromagnetic energy lies in the visible region of the spectrum or in adjacent r... Read More
Inventors: Johnson, Bertrand H.; Paola, Carl R.;, Assignee: Bell Telephone Laboratories, Incorporated (Murray Hill, NJ) |
Low contrast measurement apparatus
The present invention utilizes a video signal which is obtained from a closed circuit TV camera focused on a test target with a mechanical low frequency chopper interposed between the target and the c... Read More
Inventors: Benkley, Fred G.; Sauermann, Gerhard O.;, Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC) |
Optical indexing system
The present invention relates to an optical indexing system for accurately locating a teleoperator with respect to an object to be grasped. The optical system of the present device is fixedly attached... Read More
Inventors: Weisman, Irving H.; Strauss, Bernard; George, David; Wakeley, Harold;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
TV Signal 
