Matches 451 - 487 out of 487 < 1 2 3 4 5 6 7 8 9 10
Match Document Document Title
3935431 Apparatus for the storage and reading of data combined from binary numbers  
An apparatus for the storage and reading of data combined from binary characters, comprising a data carrier having adjacently arranged separate signal conductor tracks incorporating intermediate...
3922529 Static reader for encoded record  
A decoder for use with a record medium having bits of information thereon in which the decoder can be programmed to produce an indication of an acceptable record having the bits of information...
3919528 Method and apparatus for operating authorization control systems  
A method and apparatus for serially reading non-ferrous hidden coded indicia on opaque cards has a single row (or staggered row) of sensors. These sensors and related circuitry detect the presence...
3872438 Credit card and credit card identification system for automatic vending equipment  
The system is used to enable the operation of automatic vending equipment without requiring the attention of sales personnel. A special credit card construction is employed with the credit card...
3869082 Data storage and retrieval system  
A data storage and retrieval system comprising in combination a reading device and a document card. The reading device comprises a plurality of sensing electrodes, a counter electrode and a source...
3831008 ELECTRICAL INFORMATION RECOGNITION AND RETRIEVAL  
Apparatus and method for reading an information carrying member, such as an embossed credit card or the like, wherein information is defined on one side of the member by surface level transitions...
3699311 CODED CARD AND READER THEREFOR  
A card contains selectively connected or unconnected plates to encode bits of information. A card reader has a sending plate and a sensing plate for each bit encoded in the card, the plates of the...
3593319 CARD-CHANGEABLE CAPACITOR READ-ONLY MEMORY  
A low cost read-only capacitive storage memory is described wherein the word lines and bit lines of the read matrix are formed as a plurality of straight conductors orthogonally disposed on...
3585368 APPARATUS FOR CAPACITIVELY SENSING INFORMATION APERTURES IN DATA CARDS  
Card reading apparatus comprising a plurality of input conductors for disposition along one side of a data card incorporating an electric shield and a plurality of readout conductors for...
3566084 DISCONTINUITY DETECTOR  
A detector for discontinuities in a moving medium using a probe having self-polarized material in operative association with a metal conductor connected to a voltage detector. In one form, the...
3519802 CARDS EMPLOYING CAPACITOR SENSING OF ENCODED DATA  
3503052 SEMIPERMANENT MEMORY WITH ELECTRICALLY SCANNABLE INDEX CARDS  
3492464 RECORD MEDIUM READING APPARATUS  
3479491 ELECTROSTATIC READER HEAD  
3467957 ELECTROSTATICALLY DIGITIZED TAPE DISPLAY DEVICE  
3440642 ELECTROSTATICALLY DIGITIZED TAPE DISPLAY MEANS  
3437795 DATA INPUT DEVICES AND SYSTEMS  
3422400 FERROELECTRIC STORAGE MEANS  
3404382 Capacitive semi-permanent memory  
3399473 Combination credit card  
3397393 Capacitor read-only memory with plural information and ground planes  
3387265 Validation means  
3378645 Recorded dielectric medium and recording and playback methods and apparatuses  
3376559 CAPACITATIVE READ-ONLY MEMORY DEVICE EMPLOYING PARALLEL BALANCED DRIVE AND SENSE LINES  
3370277 INFORMATION STORAGE DEVICE  
3248710 Read only memory  
3189731 System for sensing  
3185964 Data systems  
3185967 Two dimensional selection system for read only memory  
3159820 Information storage device  
3132242 Record sensing apparatus  
3044694 System for sensing  
3043505 Data sensing circuit  
2964734 Method and apparatus for sensing handwriten or printed characters  
2949226 Information transfer device  
2941718 Punched record translator  
3716701 Title is not available  
Matches 451 - 487 out of 487 < 1 2 3 4 5 6 7 8 9 10