Personal alarm
The present invention is directed to the provision of a small, but relatively loud portable personal alarm device. In an illustrated embodiment of the invention the alarm device includes an alarm buzz... Read More
Inventors: Hopkins, Harry C.; Power, Joseph K.;, Assignee: Hopkins International (Williamston, NC) |
Emergency alarm device
What is claimed is: 1. A transmitter-receiver emergency signalling device, the transmitter of which may be carried on the person, comprising: (a) means for generating a system address pulse train of a... Read More
Inventors: Palmer, Ray W.; Miller, Fay H.;, Assignee: Res'Q, Inc. (Milwaukee, WI) |
Wireless infrared remote control extender
OF THE PREFERRED EMBODIMENT The following detailed description is of the best presently contemplated modes of carrying out the invention. This description is not to be taken in a limiting sense, but ... Read More
Inventors: Harrington, Christopher C.;, Assignee: Modcom Corporation (Pittsburgh, PA) |
System for selectively operable dual simultaneous siren broadcast from a single speaker
What is claimed is: 1. A sound communication system comprising: a first modulating oscillator having a first output lead, said first modulating oscillator producing a first signal on said first output... Read More
Inventors: Paladino, C. Alfred;, Assignee: International Telephone and Telegraph Corporation (New York, NY) |
Method of and a device for sensing objects
What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims: 1. A device for sensing or scanning thin objects disposed on a reference plane, such as photog... Read More
Inventors: Schiffl, Heinz;, Assignee: Agfa-Gevaert AG (Leverkusen, DE) |
Computer pointing device with dynamic sensitivity
OF THE INVENTION Turning now to FIG. 1, a computer system utilizing the present invention is seen to include a computer 10 which can be, for example, an IBM PC compatible computer or engineering work... Read More
Inventors: Miller, Jerry A.;, Assignee: Sony Corporation (Tokyo, JP); Sony Electronics Inc. (Park Ridge, NJ) |
Liquid crystal display with transparent storage capacitors for holding electric charges
The invention is aimed at providing a liquid crystal display which improves the aperture ratio, increases the storage capacitance, and produces good images. To accomplish the foregoing objectives, the... Read More
Inventors: Nishikawa, Ryuji; Shimada, Toshio;, Assignee: Sanyo Electric Co., Ltd. (Osaka, JP) |
Clock recovery device
We claim: 1. A device for recovering the distant clock signal from one or more incident digital signals, comprising first means for generating a clock frequency having the same nominal frequency f as ... Read More
Inventors: Athenes, Claude; Salle, Jacques E.; Blouin, Philippe;, Assignee: Le Materiel Telephonique Thomson-CSF (Colombes, FR) |
Switch mechanism
The invention may be incorporated in a switch mechanism comprising in combination, a housing having a first reference plane, support means in said housing, a removable card supported on said support m... Read More
Inventors: Deming, Andrew F.;, Assignee: The Alliance Manufacturing Company, Inc. (Alliance, OH) |
Analog-to-digital converter
In view of the foregoing, an object of the present invention is to provide a demultiplex circuit and an analog-to-digital converter which can establish the data output timing. The foregoing object and... Read More
Inventors: Komatsu, Yoshihiro;, Assignee: Sony Corporation (JP) |
RGBI to multilevel grey scale encoder
What is claimed is: 1. An encoder apparatus for encoding a TTL type of R,G,B,I video drive signal into a digitally encoded composite video signal for transmission over a single coaxial cable, said vid... Read More
Inventors: Oudshoorn, Mark; Stankus, Al;, Assignee: Rich, Inc. (Franklin Park, IL) |
Input-output coordinate transforming method and apparatus for input-integrated display
An object of the present invention is to provide an input-output coordinate transforming method and apparatus which allows the input coordinates to coincide with the output coordinate in a simplified ... Read More
Inventors: Fukunaga, Yasushi; Fujita, Ryo;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Apparatus for digitally subdividing analog periodic signals
The present invention is directed to an apparatus for subdividing periodic analog signals generated by means such as an incremental measuring instrument. The apparatus of this invention is relatively ... Read More
Inventors: Schmitt, Walter; Ritz, Franz;, Assignee: Dr. Johannes Heidenhain GmbH (Traunreut, DE) |
Pulse width modulated servo circuit
This invention is intended to eliminate the above-mentioned disadvantages of the prior art and to provide a novel motor servo circuit. Therefore, it is an object of the present invention to provide a ... Read More
Inventors: Moto, Masato; Ito, Seigo;, Assignee: Futaba Denshi Kogyo K.K. (Mobara, JP) |
D/A converter capable of disabling the output
The present invention has been devised in consideration of such problems as aforementioned which the so-called R-2R type digital/analog converting circuit has, and the object of the invention is to pr... Read More
Inventors: Hirose, Shinichi; Abe, Minoru;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP); Mitsubishi Electric Semiconductor Software Co., Ltd. (Hyogo, JP) |
Batch controller for gasoline having dribble feed
Broadly, the invention is an electronic batch controller for controlling the dispensing of one or more fluids or other flowable materials. The apparatus permits preselection of the quantity of materia... Read More
Inventors: Robbins, Elmer A.; Key, William D.;, Assignee: Tokheim Corporation (Fort Wayne, IN) |
Fuel dispensing arrangement
That which is claimed is: 1. In a fuel dispensing arrangement having dispenser means with electrically driven pump means for delivering fuel, control means located remotely from said dispenser means a... Read More
Inventors: Barnes, Gerald O.; Horne, Charles E.;, Assignee: |
Capacitive-type incremental and reference angular rotation detecting apparatus
With a view to overcoming the foregoing deficiencies in the prior art, it is an object of this invention to provide a capacity type rotation detecting apparatus which is capable of detecting the incre... Read More
Inventors: Tanaka, Hiroaki; Akita, Shigeyuki;, Assignee: Nippon Soken, Inc. (Nishio, JP) |
Display system
What is claimed is: 1. A display system for selectively displaying a given value and associated units comprising: a value input circuit for providing values to be displayed; actuator means for selecti... Read More
Inventors: Hall, David S.;, Assignee: |
Apparatus for reserving programs at various recording tape running speeds
It is, therefore, a primary object of the present invention to provide a recording information signal reservation apparatus for a VTR by which an appropriate recording characteristic, such as tape run... Read More
Inventors: Hiraki, Hiroshi;, Assignee: Sony Corporation (Tokyo, JP) |
Analog to digital peak detector utilizing a synchronization signal
The object of the invention is to provide a method and a circuit arrangement by means of which the occurrence of an extreme or peak value in the analog voltage is determined and the time of the peak c... Read More
Inventors: Hantke, Horst;, Assignee: Siemens Nixdorf Informationssysteme AG (DE) |
Codable electronic devices
The present invention seeks to provide read and write techniques capable of operating over a wide dynamic range which have neither the cost penalties of the double aerial input approach nor the system... Read More
Inventors: Falck, John B.;, Assignee: Cotag International Limited (Cambridge, GB2) |
Duct smoke detector
I claim: 1. Apparatus for detecting gas and smoke flow in a duct comprising: a smoke detector: a housing around the detector including inlet and outlet ports for communication with the duct and means ... Read More
Inventors: Powers, Robert B.;, Assignee: ADT, Inc. (Parsippany, NJ) |
Electronic thermostat with protected circuitry
The embodiments of the invention in which an exclusive property or right is claimed are defined as follows: 1. An electronic thermostat having circuit components that are subject to electrical and mec... Read More
Inventors: Kasprzyk, Donald J.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
Vehicle detection apparatus
What I claim as new and desire to secure by Letters Patent of the United States is: 1. Apparatus for closing an electrical circuit during application of force by a vehicle tire or the like, comprising... Read More
Inventors: Abbondante, Cosmo;, Assignee: Bofors America, Inc. (Linden, NJ) |
Rotative power and signal coupling
OF THE INVENTION Referring to FIGS. 1 and 2, a coupling 20 comprises a rotating part 21 and a stationary part 22. Rotation between parts 21 and 22 is provided by an upper bearing 23 and a lower beari... Read More
Inventors: Renner, G. Frederick;, Assignee: Battelle Memorial Institute (Columbus, OH) |
Frequency-modulated continuous-wave radar system
It is therefore an object of the present invention to provide an FM-CW radar system which is capable of accurately detecting both the bearing and width of a target. According to the present invention,... Read More
Inventors: Iihoshi, Akira; Kojima, Jou;, Assignee: Honda Giken Kogyo Kabushiki Kaisha (Tokyo, JP) |
PTC Devices comprising oxygen barrier layers
We have now discovered that the electrical stability of devices comprising PTC elements is improved if the device comprises an oxygen barrier which substantially surrounds the PTC element. In one aspe... Read More
Inventors: Middleman, Lee M.; Gotcher, Alan J.;, Assignee: Raychem Corporation (Menlo Park, CA) |
Variable rate tuning for radio transmitters and receivers
This invention relates to a tuning control for a radio frequency device which provides for fine resolution when an operator controlled dial is rotated slowly while permitting the operator to make larg... Read More
Inventors: Koogler, Steven C.;, Assignee: R. L. Drake Company (Miamisburg, OH) |
Video signal reproducing device
It is therefore an object of the present invention to provide a video signal reproducing apparatus which avoids the aforedescribed drawbacks of the prior art. It is another object of the present inven... Read More
Inventors: Takeuchi, Hajime; Okuyama, Yoshikazu;, Assignee: Sony Corporation (Tokyo, JP) |
Coded 
