High voltage d-c current limiter
This invention is predicated upon a new and unique sub-circuit system or current limiter that utilizes a plurality of PTC resistors connected in series such that the assembly system will have an overa... Read More
Inventors: Miller, Craig A.; Fray, Joseph C.;, Assignee: Westinghouse Air Brake Company (Wilmerding, PA) |
Hand-held controller for bed and mattress assembly
The present invention relates to a hand-held controller, and particularly to a hand-held controller for a bed and mattress assembly. More particularly the present invention relates to a hand-held cont... Read More
Inventors: Luff, Lawrence E.; Reeder, Ryan A.;, Assignee: PaTMarK Company, Inc. (Wilmington, DE) |
Hand-held control device
What is claimed is: 1. A hand-held control device which is electrically connected to a control board with a cable, and is operated at a position far away from the control board, wherein the hand-held ... Read More
Inventors: Kawano, Takayuki; Ushijima, Masafumi; Oshima, Mikio;, Assignee: Kabushiki Kaisha Yaskawa Denki (Fukuoka, JP) |
Reservoir management system and method
To overcome the shortcomings of the prior systems and their operations, the present invention contemplates a reservoir management system including a centralized control center that communicates with a... Read More
Inventors: Ciglenec, Reinhart; Tabanou, Jacques R.;, Assignee: Schlumberger Technology Corporation (Sugar Land, TX) |
Data registration device
A purpose of the present invention is to provide a data registration device with very high efficiency for recording data other than the image on the photosensitive film. Another purpose of the present... Read More
Inventors: Sakurada, Nobuaki; Kawamura, Masaharu; Ohtaki, Shohei; Nakamoto, Soichi; Shinoda, Nobuhiko;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Super-precision positioning system
OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be explained below with reference to the drawings. FIGS. 1 through 9 show one embodiment of the present invention. In ... Read More
Inventors: Tomotaki, Katsura; Nomura, Shinichi; Shin, Heung Chul;, Assignee: Seiko Seiki Kabushiki Kaisha (JP) |
System and method for automatically setting up a universal remote control
To overcome this and other problems, a system and method for configuring a remote control to command the operation of appliances, to capture demographic data, and to provide services, such as automate... Read More
Inventors: Hayes, Patrick H.;, Assignee: Universal Electronics Inc. (Cypress, CA) |
Asset location system
The present invention provides an asset location system in which the infrastructure costs are reduced compared to asset tracking systems. In the present system, a location tag (a controlled-range tran... Read More
Inventors: Klowak, Greg;, Assignee: VeriChip Corporation (Ottowa, CA) |
Wireless mouse
OF THE INVENTION This application is a continuation-in-part of U.S. patent application Ser. No. 08/176,324 filed on Jan. 3, 1994 for a Wireless Mouse, incorporated herein by reference. Referring firs... Read More
Inventors: Junod, Philippe; Joss, Berni; Sasselli, Nicolas; Sommer, Rene; Bussien, Aldo;, Assignee: Logitech, Inc. (Fremont, CA) |
Wireless computer mouse
What is claimed is: 1. A wireless computer mouse, comprising a mouse main body and a cover, said main body having a base housing, a top housing and a push-button case, said mouse characterized in that... Read More
Inventors: Lu, Ho-Lung;, Assignee: Dexin Corporation (Taipei Hsien, TW) |
Rounded keypad
Reference will now be made in greater detail to preferred embodiments of the present invention. In the drawings, the same or similar elements are denoted by the same reference numerals even though th... Read More
Inventors: Jung, Richard;, Assignee: |
Circular tactile keypad
In order to meet the needs described above, the present keypad controller has been devised which permits ease of use by persons who are manually impaired, or who have eyesight deficiency. It also offe... Read More
Inventors: Samulewicz, Thomas;, Assignee: |
Re-synchronization of independently-clocked audio streams by dynamically switching among 3 ratios for sampling-rate-conversion
A sample-rate converter has an input stream of samples representing audio intensities at points in time. The input stream plays the samples at an input rate of an input clock. An output stream of samp... Read More
Inventors: Lin, Tao;, Assignee: NeoMagic Corp. (Santa Clara, CA) |
Along-track interferometric synthetic aperture radar
It is therefore an object of the present invention to provide an along-track interferometric SAR allowing a single SAR channel and one time of observation to suffice without resorting to any additiona... Read More
Inventors: Fujimura, Takashi;, Assignee: NEC Corporation (Tokyo, JP) |
Door operation control apparatus
The present invention seeks to overcome or at least ameliorate these problems by providing an improved door controller which can "learn" the characteristics of a particular door. According to a first ... Read More
Inventors: Jones, Richard E.; Aubert, Richard W.;, Assignee: Byrne & Davidson Doors (N.S.W.)PTY. Limited (Revesby, AU) |
Alarm device with door/window cross-bar
What is claimed is: 1. An alarm device with door/window cross-bar comprising: a telescoping cross-bar having a spring tensioning mechanism; an alarming circuit having a pair of contact points extendin... Read More
Inventors: Neas, Traci L.;, Assignee: |
Remote-control system with a spread-spectrum transmission link
OF THE FIGURES FIG. 1 shows a spread-spectrum signal Sa and a shifted spread-spectrum signal Sb. The data sequences of the shifted out of phase, with respect to signal Sa, by the time interval dt. Th... Read More
Inventors: Heberle, Klaus; Schuhmacher, Torsten;, Assignee: Deutsche ITT Industries GmbH (Freiburg, DE) |
High-speed video display system
The invention may be incorporated into a graphics sub-system including frame memory and a video digital-to-analog converter (VDAC). The VDAC includes a clock input terminal for receiving the output of... Read More
Inventors: Wood, Paul B.; Bounds, Brian F.;, Assignee: Compaq Computer Corporation (Houston, TX) |
Positioning system using infrared radiation
The present invention resolves the above-mentioned shortcomings with a positioning apparatus which uses infrared light for generating positioning data. An infrared beacon is placed near the television... Read More
Inventors: Curran, Kenneth J.; Smith, III, Jay;, Assignee: Smith Engineering (Los Angeles, CA) |
Digital display unit of a computer system having an improved method and apparatus for sampling analog display signals
The present invention is directed to a method and apparatus for generating a sampling clock signal for sampling an analog display signal received by a digital display unit. The sampling clock is gener... Read More
Inventors: Eglit, Alexander Julian;, Assignee: Genesis Microchip Corp. (Alviso, CA) |
Garage door monitoring system
The invention provides a system and method for monitoring a position of a panel. The method comprises sending a sensor signal to a transmitter where the sensor signal is provided by a sensor detecting... Read More
Inventors: Tsui, Gallen Ka Leung;, Assignee: |
Calculator having merged key codes
It is an object of this invention to reduce the amount of storage space required in a programmable, electronic calculator by multi-key instructions. In accordance with the preferred embodiment of the ... Read More
Inventors: Osborne, Thomas E.; Stockwell, Richard K.;, Assignee: Hewlett-Packard Company (Palo Alto, CA) |
Pulse coding system
The pulse coding system of the present invention comprises an encoder for encoding a received analog signal as a series of output pulses and a decoder for receiving the pulses output from the encoder ... Read More
Inventors: Hayes, Adam T.;, Assignee: |
Remote control unit
It is an object of the present invention to provide a remote control unit which is simple in structure and free from the possibility of disconnection and has a stabilized illumination function. In ord... Read More
Inventors: Tanaka, Kouji;, Assignee: Alps Electric Co., Ltd. (Tokyo, JP) |
Pin-reduced low power keyboard scanner
The present invention is directed to a system and method for providing key switch actuation detection which reduces the number of key switch inputs required at a key switch controller. In accordance w... Read More
Inventors: Niot, Francois;, Assignee: VLSI Technology, Inc. (San Jose, CA) |
Garage door opener
The present invention provides a garage door opener which properly inter-relates mechanical function, user interface, ease of manufacturing and improved appearance. The garage door opener is a totally... Read More
Inventors: Iha, Kiyoshi; Henry, Susanne;, Assignee: Chamberlain Manufacturing Corporation (Elmhurst, IL) |
Door opener control with adaptive limits and method therefor
It is therefore an object of the invention to set or reset sensitivity limits in accordance with the forces operating on the door not only in conjunction with a learn mode but throughout the operating... Read More
Inventors: Murray, James S.;, Assignee: Stanley Home Automation (Novi, MI) |
Analog-to-digital converter for both m-bit and n-bit analog conversion
The present invention is made to overcome the problems. It is therefore an object of the present invention to provide an m-bit A/D converter which can convert analog input signals into both m-bit digi... Read More
Inventors: Shimomura, Takehiko; Abe, Nobusuke;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Intelligent antitheft method and system combining magnetic tags and smart cards
In view of the foregoing and other problems of the conventional method and systems, an object of the present invention is to provide a structure and method for incorporating a smart card or the like t... Read More
Inventors: Schrott, Alejandro Gabriel; Steinmetz, Michael J.; von Gutfeld, Robert Jacob; Ward, James Peter;, Assignee: Lenovo Pte. Ltd. (SG) |
Remote control, in particular for a locking device
The remote control 11 which is diagrammatically shown by a block circuit-diagram of the circuitry possesses at least one control unit 12 which acts in a wireless mode on at lest one reading unit 13. ... Read More
Inventors: Gebhardt, Roland; Setzkorn, Guido; Plasberg, Georg; Geisslinger, Klaus; Gumbrecht, Bernhard;, Assignee: Diehl GmbH & Co. (Nuremberg, DE) |
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