Security control for personal computer
A computer according to the present invention provides security by having the system ROM provide a password at power-on to a security device which controls access to the secured features. Once a passw... Read More
Inventors: Zinsky, Timothy R.; Shaver, Charles N.; Kaiser, Jr., Roger A.; Rawlins, Paul B.;, Assignee: Compaq Computer Corporation (Houston, TX) |
Superregenerative detector
What I claim is: 1. In a superregenerative detector including means for receiving a high frequency carrier having an amplitude envelope upon which an information signal is impressed; a first oscillato... Read More
Inventors: Meierdierck, Charles;, Assignee: Merit Electronic Design Co., Ltd. (Deer Park, NY) |
Remotely controllable power control system
We claim: 1. A remotely controllable power control system comprising, in combination: (a) means for transmitting a radiant control signal, including a first actuator means for determining said signal,... Read More
Inventors: Moseley, Robin; Spira, Joel S.; Karunaratne, Arjuna; Wylie, John; Barney, Jonathan A.;, Assignee: Lutron Electronics Co., Inc. (Coopersburg, PA) |
Digital RF receiver
It is a principle object of the present invention to provide a digitally enhanced RF receiving system for receiving and processing useful information from a relatively weak RF signal. Another object o... Read More
Inventors: Degges, Andrew M.;, Assignee: Dial Page LP (Greenville, SC) |
Machine readable information carrier
I claim: 1. A method of controlling a manufacturing process, comprising dividing the process into a plurality of selected information controlled steps; placing each selected step under control of an i... Read More
Inventors: Gardosi, Erwin;, Assignee: |
Portable computer keyboard
OF THE INVENTION As depicted in FIG. 1, the portable computer keyboard 10 of the present invention has an external appearance very similar to that of a conventional computer keyboard. The device incl... Read More
Inventors: Barrus, Joseph P.; Kothari, Ketan D.;, Assignee: Intelligent Peripheral Devices, Inc. (Cupertino, CA) |
Keyboard-type input apparatus
The unique points in the present invention are that fifteen keys in the three-line and five-column are at least divided into the vowel sound area and consonant sound area to assign the vowel sounds an... Read More
Inventors: Kato, Yoshiya; Kato, Syunji;, Assignee: Misawa Homes Co., Ltd. (Tokyo, JP); Kato; Yoshiya (Tokyo, JP); Kato; Syunji (Tokyo, JP) |
Method and apparatus for non-contacting information transmission
It is therefore the object of the present invention to provide an apparatus for non-contacting information transmission that has low transmission losses and is also suitable for flat data carriers. An... Read More
Inventors: Ballmer, Horst; Grosskopf, Rudolf;, Assignee: Zeiss Ikon AG (DE) |
Capcitively coupled bi-directional data and power transmission system
Accordingly, a power and data transfer system is provided which includes a portable device with a first contact circuit formed from a pair of contact pads having an outer surface covered with a dielec... Read More
Inventors: Rozin, Alexander; Kaplun, George;, Assignee: Ambient Corporation (Jerusalem, IL) |
Method of producing a tag device with IC capacitively coupled to antenna
It is therefore an object of the present invention to provide a tag device substantially free from faults ascribable to defective connection and highly durable and reliable. It is another object of th... Read More
Inventors: Hiroyuki, Noto;, Assignee: Oki Electric Industry Co., Ltd. (Tokyo, JP) |
Detachable case for an electronic organizer
The present invention comprises a personal information system unit detachable case. This case has a top cover assembly, a bottom cover assembly, both of which are pivotable around a longitudinal axis ... Read More
Inventors: Kim, Daniel Sung-hwe; Thorne, III, Edwin; Boyle, Dennis Joseph; Diebel, Markus; Tal, Elisha;, Assignee: Ideo Product Development Inc. (Palo Alto, CA) |
Method and apparatus for allowing a personal computer to control one or more devices
It is an object of the present invention to provide a wireless interface controller that enables a personal computer to directly control a plurality of different devices that operate with different co... Read More
Inventors: Hsu, Liang-Hao; Lin, Chin-Hung;, Assignee: Winbond Electronics Corp. (Hsinchu, TW) |
Apparatus and method for downhole well equipment and process management, identification, and actuation
The present invention relates to a method for actuating, installing, or inventorying downhole equipment in a wellbore. This method comprises providing a first downhole structure that comprises a non-a... Read More
Inventors: Thomeer, Hubertus V.; Adnan, Sarmad; Sheffield, Randolph J.; Kenison, Michael H.; Forbes, Kevin J.;, Assignee: Schlumberger Technology Corporation (Sugar Land, TX) |
Burner assembly having a shielded porcelain burner bowl
In accordance with one aspect of the present invention, a burner assembly for a cooking appliance comprises a heating element, a porcelain bowl, and a bowl shield. The porcelain bowl is arranged to re... Read More
Inventors: Eichler, Roger; May, George;, Assignee: Amana Company, L.P. (Houston, TX) |
Tag responsive to high-frequecy for varying capacitance of tuning capacitor
This invention aims to provide a RF-TAG capable of obtaining an optimum supply voltage and an information exchange system using it. The RF-TAG according to this invention is provided with a tuning cir... Read More
Inventors: Ikefuji, Yoshihiro;, Assignee: Rohm Co., Ltd. (Kyoto, JP) |
Slope, drift and offset compensation in zero-IF receivers
OF THE DISCLOSURE FIG. 2 illustrates a direct conversion receiver 10 according to the principles of U.S. Pat. No. 5,241,702, which is incorporated herein by reference in its entirety. An antenna 11 r... Read More
Inventors: Lindquist, Bjorn; Dent, Paul W.;, Assignee: Ericsson Inc. (Research Triangle Park, NC) |
Cryptosystem
The object of the invention is to avoid said drawbacks of plaintext dependent ciphers as discussed above and to obtain a possibility of adapting the system to existing applications including databanks... Read More
Inventors: Brandstrom, Hugo;, Assignee: |
System for enciphering or deciphering data
It is an object of the present invention to provide a system which has little risk of cipher data being illegally cryptoanalized and is capable of enciphering or deciphering the data with a simple cir... Read More
Inventors: Shiraishi, Takayoshi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Encryption system and method
A method for encrypting data is described which employs a key that includes a plurality of alphanumeric characters and a memory array adapted to operate an NxM pixel display The method includes the st... Read More
Inventors: Deffeyes, Kenneth S.;, Assignee: The Trustees of Princeton University (Princeton, NJ) |
System for encryption and identification
FIG. 1 illustrates a system according to this invention. The system is turned on by actuating a reset button 32. The input of a character into the system is initiated by one of nine buttons 10A-1 rep... Read More
Inventors: Cairns, John P.;, Assignee: Computer Security Corp. (St. Georges, DE) |
Apparatus and method for encoding data
The present invention provides a method of encrypting, cyclically redundancy checking, and scrambling a communication signal in a serial bit, or pipelined, fashion. In operation, a first bit of the co... Read More
Inventors: Killian, Maverick M.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Programmable lock and security system therefor
What is claimed is: 1. A lock device comprising: a lock including a locking member having a first lock position and a second unlock position; log means associated with the lock for electronically reco... Read More
Inventors: Leon, Jeremy Phelps; Amis, Lynn Frederick; Nazalewicz, Jan; McKee, Jr., Thomas Glenn;, Assignee: E.J. Brooks Company (Livingston, NJ); Stevens Institute of Technology (Hoboken, NJ) |
Two-sided trackball
The present invention is a hand-held, double sided trackball apparatus for controlling a cursor and making program choices on a television or interactive television. The double-sided trackball has a h... Read More
Inventors: Hartman, William M.;, Assignee: |
Track ball input device
It is an object of the present invention to overcome the above problems and disadvantages of the prior art system. In order to achieve this object, according to the embodiment of the present invention... Read More
Inventors: Choi, Dong Joon;, Assignee: LG Electronics Inc. (Seoul, KR) |
Method and apparatus for detecting a moving object through a barrier
It is a primary object of the present invention to provide a novel and improved method and apparatus for detecting a moving object wherein motion of an object is mapped to provide the distance and bea... Read More
Inventors: Taylor, David W. A.; Faulkner, William Todd;, Assignee: ENSCO, Inc. (Springfield, VA) |
Reminder apparatus
According to one aspect of the present invention, there is provided reminder apparatus to be carried by a user with a key to remind the user as to the last operation in which the key was used with res... Read More
Inventors: Blumberg, Shlomo; Olti, Avraham;, Assignee: Y. M. Shoval Ltd. (Haifa, IL) |
Radio frequency identification systems and methods for waking up data storage devices for wireless communication
Broadly speaking, the present invention fills these needs by providing a remote system including a radio frequency identification (RFID) tag that is specifically and periodically identified by an RFID... Read More
Inventors: Kubler, Joseph Jay; Grabon, Robert James;, Assignee: Intermec IP Corp (Woodland Hills, CA) |
Vehicle passenger authorization system
The present invention solves the problems encountered at conventional security gates by providing an automated system that authorizes entry into a secured area based on vehicle and passenger identific... Read More
Inventors: Morgan, Douglas E.; Morgan, Ted G.; Child, Joseph R.;, Assignee: STS International LTD (Berkeley Springs, WV) |
Mechanically-powered electric generator for instant-photographic camera and other apparatus
The foregoing objectives and other advantages are achieved in accordance with the present invention by replacing the battery and electric motor now employed in a conventional "SX-70" Land camera with ... Read More
Inventors: Shoupp, William E.; Bratkowski, Walter V.;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Push-button switch for an electrical power source
Referring to FIG. 1a and b, the optical communication link of the present invention is installed in the arm 10 of a passenger chair 12 on a passenger airplane or airliner. The optical link includes a... Read More
Inventors: Cernik, George;, Assignee: Hughes Aircraft Company (El Segundo, CA) |
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