Matches 101 - 150 out of 181 < 1 2 3 4 >
Match Document Document Title
5073054 Electronic dictionary with vertical keyboard  
An electronic dictionary or language translator is in the form of a thin electronic device, preferably at least 3"×6" in size so that it may be placed in a book and used during reading. The...
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...
5065359 Desk top calculator with access sequence control system for various constants  
The desk-top calculator in accordance with the present invention comprises a constant access key, a ROM and a control unit. The ROM is arranged such that different types of constants are anteriorly...
4974183 Computer keyboard with thumb-actuated edit keys  
A keyboard (10) is provided for use with computer type devices. The keyboard (10) provides thumb-actuated keys (52, 54, 56, and 58) for controlling the cursor in all four directions without...
4970672 Data processing system, and keypad assembly for inputting data in such system  
A data entry keypad assembly, comprising a keypad including an array of keys, and a positioning locator secured to the keypad to form a unitary keypad assembly therewith, whereby the keypad...
4970673 Electronic apparatus effecting voice output  
A calculator providing information in the form of synthesized voice includes a start instruction entering device for entering a start instruction which causes read-out of information to be started,...
4964075 Software and hardware independent auxiliary user programmable intelligent keyboard  
This device is an add-on accessory for existing personal computer systems. This device is a user definable, keyboard MACRO storage device which operates independently of the hardware and software...
4918634 Key input apparatus  
This invention relates to a key input apparatus used for inputting the information into various electronic equipments, such as a computer or a computer applied equipment, and the key input...
4897807 Switch data input device  
A switch data input device includes a plurality of switches, an interrupt signal generating circuit responsive to on and off states of the respective switches for producing an interrupt signal...
4864592 Golf score counter  
An electronic golf score counter for counting each fairway and putting stroke and totaling hole scores, total scores for the front nine holes, totals for the second or back nine, and the 18-hole...
4847799 Keyboard apparatus having separate working areas with thumb-operated shifting of key functions  
A keyboard apparatus comprises a row of control keys operated by the left-hand thumb of an operator, a row of control keys operated by the operator's right-hand thumb, a first group of data entry...
4845650 Ticket issuing systems  
A portable ticket issuing system comprises a portable electric ticket issuing machine including a keyboard and electric power means for supplying power to the ticket issuing machine, in which the...
4827440 Lockout for terminal keys  
Method and apparatus are disclosed for locking out the keys of a personal computer keyboard such that information conveyed by pressing certain keys are not processed by the PC. The method includes...
4824268 Ergonomic keyboard  
An ergonomic keyboard that is suitable for all devices interfacing with a keyboard; and that is able to transmit on unlimited amount of information including the more than 50 alphabets of the...
4823294 Single-hand computer keyboard  
A miniaturized single-hand keyboard for computers or electronic word processing systems comprising alphabetical, numerical, and programmable keys. The keyboard is used in conjunction with a...
4779219 Electronic apparatus having an improved calculation function  
In an electronic apparatus performing various calculations based on input data which are entered by pressing numeral keys and calculation keys and outputting results by moving a decimal point by a...
4773032 Terminal input apparatus  
A terminal input apparatus includes a portable input device having a data input key and a main device provided with a holder for holding the portable input device therein. The holder has a main...
4769516 Finger operated switching apparatus  
A keyboard includes a plurality of keys thereon, each of which is capable of three different switching actions for entry of data or commands into a word processor, typewriter, computer or the like....
4761750 Electronic calculator with a program calculation function  
An electronic calculator has a program calculation function. The calculator also includes a key for designating substitution of numeral data for variables, a key for designating a variable, and a...
4716522 Microcomputer system with buffer in peripheral storage control  
A microcomputer system has a peripheral storage control equipped with both a circuit which is responsive to a transfer command received from an MPU to set in a counter a transfer start address,...
4698782 Electronic workstation with parkable keyboard  
An electronic workstation comprising a detachable keyboard (10, FIG. 1) associated with the workstation for permitting operator interface to same. The workstation comprises a base (2) with an upper...
4695983 Calculator or pocket computer with selectable operational sequence  
A compact-size computer such as a functional calculator or a pocket computer selects either the sequential operation mode or formula memory mode according to the purpose of arithmetic operations...
4694280 Keyboard entry system  
A keyboard entry system is disclosed which comprises a keyboard which includes a plurality of letter keys, one for each letter of a selected language. The entry system responds to conventional...
4679135 Control apparatus  
A control apparatus including an operating panel means having illuminable switches which produce operation data upon operation by an operator and which display by illumination the status of...
4654818 Data processing device having memory selectively interfacing with computer  
A portable educational device that is adapted to be used in conjunction with a counter (12) having a display (14) and a keyboard (16) for input of data. A memory slot (18) or an alternate port (19)...
4651294 Electronic function calculator with improved functional command entry  
A portable electronic computer or calculator is characterized in that it calculates a functional operation on the previously calculated result by simply actuating a function key switch while the...
4587634 Data processing apparatus for multiple mode operation as specified by user inputs  
A data processing apparatus capable of operating in a plurality of modes includes a technique for automatically determining the proper mode from user inputs. This invention is most applicable to...
4583189 Microprocessor-based scan-mode keying circuit  
A scan mode keying circuit comprises a voltage divider having a plurality of series-connected resistors with taps therebetween to develop a plurality of graduated voltages at the taps. A comparator...
4579470 Keyboard with keys concentrated in clusters  
A typewriter keyboard arrangement with keys concentrated in clusters in such a manner so as to be operated by specific fingers designated for specific clusters. Keys are clustered and clusters...
4546448 Programmable calculator including program variable initialization means and definition means array  
A programmable calculator utilizes an initialization key for setting all program variables, including array variables that are stored as part of a program in the calculator memory, to a...
4522518 Character data input keyboard arrangement having central matrix of keys  
A manual data entry keyboard, having left hand and right hand clusters of keys, is separated medially by an interposed, auxilliary matrix of keys comprising an [m×n] array of keys, where m and n...
4517660 Foldable electronic apparatus  
An electronic apparatus comprises a left-hand unit and a right-hand unit mutually connected to constitute a foldable structure, in which a display device is provided in one of the units while an...
4514856 Apparatus for selecting the precise number within a batch of paper sheets  
An apparatus for counting the number of paper sheets is described in which a target number entered by an entry unit is stored in a target number memory and displayed in a target number display...
4511987 Method of entering and performing operations on complex numbers on calculators  
A data processing apparatus employs a single key stroke for defining a complex number entry and for designating a particular complex number calculation mode. Entry of a complex number follows the...
4510583 Keyboard terminal  
A keyboard terminal for entering test programs written in an English-format computer programming language into computerized automatic test systems is disclosed. In response to the activation of...
4498073 Keyboard with simultaneous operations  
A keyboard in which, when one of the function keys is depressed simultaneously with one of the character keys, the signal generated by the depressed function key is transmitted during a first...
4498149 Symbol input device for use in electronic translator  
An input circuit adapted to be connected to an electronic translator is disclosed. The input circuit comprises an alphabetical keyboard for inputting key code information representative of letters...
4475164 Electronic apparatus having television device  
This electronic apparatus has combined functions of an electronic calculator or the like and a television receiver, and is automatically shifted, at the start of the calculator function, to a...
4458320 Electronic calculating device  
An electronic calculating device having a keyboard with input keys for the digits 0-9, an item register and display for storing and displaying, in a fixed-point format of dollars and cents, an...
4375922 Character printing system in electronic data processing apparatus such as electronic calculators  
A character printing system in an electronic data processing apparatus is provided that is adapted for printing language characters in response to numerical value coded data entered through numeral...
4364112 Miniature computer with separate hand-held controller  
A miniature computer has a main section which includes a central processor, a read only memory storing a monitor program, a random access memory for executing the monitor program and a controlling...
4324976 Hand-held calculator or similar keyboard device  
A hand-held calculator in which respective keyboards are arranged along the front face and rear face of the calculator housing and disposed along transverse axes such that each keyboard is in...
4309761 Calculator for evaluating numerical answers to problems  
A programmable electronic calculator for numerical evaluation of mathematical problems operates through the application of one or more basic mathematical operators, properly grouped, to each input...
4263658 Electronic apparatus capable of storing operational sequence  
Electronic apparatus having a mode setting switch, keys for keying in information, a memory for storing information to be processed entered by the keys and the mode setting switch, and provisions...
4236212 Helicopter performance calculator  
A specialized electronic calculator for providing to helicopter pilots an mediate computation and readout of the helicopter's hover performance capability. The invention provides helicopter pilots...
4213035 Electronic combined protractor and calculator capable of measuring length and angle of an object  
An extensible tape member is provided for measuring a voluntary angle or for measuring length of an object. The extensible tape member may be pulled out of the housing of an electronic combined...
4181966 Adaptable programmed calculator including a percent keyboard operator  
An adaptable calculator is provided by employing five MOS/LSI circuits interconnected by a multiple line bus system. They include (1) a read-only memory circuit group; (2) a control and timing...
4156285 Programmable calculator including keyboard functions whose argument may be a numeric constant, a storage register, or an arithmetic expression  
An adaptable programable calculator is provided by employing modular read-write and read-only memory units capable of being expanded to provide the calculator with additional program and data...
4156282 Programmable calculator including relational operator means  
An adaptable programmable calculator is provided by employing modular read-write and read-only memory units capable of being expanded to provide the calculator with additional program and data...
4152769 Programmable calculator including means for permitting data entry during program execution  
An adaptable programmable calculator is provided by employing modular read-write and read-only memory units capable of being expanded to provide the calculator with additional program and data...
Matches 101 - 150 out of 181 < 1 2 3 4 >