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7420480 |
Methods, systems, and computer program products for iteratively providing feedback via a user interface for multi-character, multi-mode alphanumeric data entry
Disclosed are methods, systems, and computer program products for receiving input from a multi-function momentary switch by providing feedback from a user interface for each function associated...
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6748404 |
Data editable statistic calculator, and the related data editing method
A data editable statistic calculator having an input device, a memory, a statistic computing unit, and an output device. The input device includes a set of number entry keys for data entry,...
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6181262 |
Keyboard scan code snooper
A keyboard scan code snooper device comprises a microcontroller, a display, and an oscillator. The scan code snooper may be attached to the data and clock lines of a keyboard serial interface...
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6026449 |
Computers with a proof function
The inventive computer includes a RAM which sequentially stores a series of calculation expression data thereto, a proof unit which proves the series of calculation expression data by inputting...
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5886910 |
Computer with a check function
A device having a checking function includes a detector for detecting unrelated data included in first inputted calculation data which is not related to a predetermined calculation to be performed...
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5870318 |
Computers with a proof function
The inventive computer includes a RAM which sequentially stores a series of calculation expression data thereto, a proof unit which proves the series of calculation expression data by inputting...
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5771176 |
Process and apparatus for enhancement for security in a mechanical lock environment (DPN-1)
This invention in its preferred embodiment comprises an apparatus and process (including a computer program) for controlling unmarked lock-opening keys in a security systems, whereby the...
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5724027 |
Method and apparatus for providing system security to personal computer systems using transparent system interrupt
A transparent system management interrupt (SMI) handler equipped with system security functions is provided to a personal computer (PC) for providing system security to the PC. Additionally, the...
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5608661 |
Method and apparatus for semi-automatic number verification
Semi-Automatic Number Verification (SNV) on an electronic adding machine employing a small amount of random access memory (RAM), a microprocessor, a printer link and printer, a piezo-electric...
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5109518 |
Calculator with single-key cursor-left-shift clear function and single-key cursor-right-shift clear function
A calculator which can display not only numerical digits but also arithmetic operational signs and functional symbols. A display portion of the calculator has a numerical value display portion on...
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5067102 |
Method and apparatus for displaying and editing mathematical expressions in textbook format
A calculator programmed for displaying in textbook format a mathematical expression as it is entered. This format is the way the expression would appear if presented in a textbook or if written...
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5007015 |
Portable compact device
A portable compact device for use with an external device. The portable compact device includes an interface circuit for providing an interface between an external device and the portable compact...
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4852057 |
Algebraic expression manipulation method and implementation for an electronic data processing apparatus
An improved method and apparatus for performing operations on mathematical expressions in a data processing device, in which stored menus having labels of operations, performable on mathematical...
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4831569 |
Display system for indicating standby operations of electronic data processing apparatus
A display system for visually indicating stanby operations belonging to a set of hierarchal processing operations to be carried out by an eletronic data processing apparatus, such as an electronic...
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4698784 |
Syntactic device for chain calculations
A computing system using a syntactic device for chain calculations with displaying an intermediate result to monitor the progress of the calculation is provided. In one embodiment, if an operator...
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4431866 |
Electronic apparatus with vocal output
An electronic apparatus capable of producing a voiced output representing various data input thereto and the results of operations on the input data includes a system for inhibiting the voiced...
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4429182 |
Data-related apparatus with a speech-synthesizer output device
An audible output device disclosed herein for use in electronic calculators or the like is able to distinguish between audible messages at the time of keying input information and at the time...
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4418412 |
Data registering system with keyed in and voiced data comparison
In a data registering system, keyed-in data coupled from a key input section and voiced sound input data coupled from a microphone are compared in a sound controller and, when both the keyed in and...
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4412210 |
Electronic calculator with acoustic confirmation of key actuation and acoustical alarms
An electronic calculator is provided which generates confirmation sounds identifying actual depression of any keys of a keyboard. The calculator includes a piezoelectric acoustic element which is...
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4386412 |
Calculator with equation display device
A calculator in which when numerical information and function information are sequentially input using ten keys and function keys of a key input section for obtaining a calculation result according...
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4354246 |
Key input indicating tone generating apparatus for small-sized electronic devices
In a key input indicating tone generating system for small-sized electronic devices, key switches are classified into a plurality of groups according to their function. When key switches belonging...
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4336598 |
Electronic calculator with musical note generation
When a key of a key-in section is operated and when an operation unit produces the result of operation, a display is performed on the basis of the keyed-in data and the operation result data stored...
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4334280 |
System and method for providing an audible sound and a tactile feedback in an electronic data processing system
In an electronic data processing system a system and method for providing an audible sound and a tactile feedback for a user. In one embodiment the data processing system includes a manually...
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4301511 |
Programmable calculator with a device for controlling the reading of program data
A programmable calculator with a device for controlling the reading of program data comprises an input section including at least one key for designating program data, a memory section for storing...
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4249245 |
Confirmation sound generation for indicating effective key input operation
A confirmation sound generation system for developing a confirmation sound upon actuation of keys included in a key input means of an electronic apparatus. A determination means is provided for...
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