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| Number | Title | Issue Date |
| 5060185 | File backup system A file backup system for POS data includes a master terminal and a backup terminal along with a master file and a backup file, all of which are coupled to a plurality of satellite terminals. A file controller is provided for each of the files. When one of... | 10/22/1991 |
| 5058057 | Link control system communicating between terminals A communication system uses a two-wire circuit and includes a master terminal and a backup terminal, and a main file and a backup file along with associated link control devices coupled to a plurality of satellite terminals. Each link control device funct... | 10/15/1991 |
| 5047291 | Magnetic thermal transfer ribbon A magnetic thermal transfer ribbon includes a substrate and a thermal sensitive coating which is a mixture and essentially consists of a fatty alcohol, a water base latex, an intensifying dye, an adhesive, and a surface agent along with iron oxide, and th... | 09/10/1991 |
| 5042382 | Stamp mechanism for matrix printer A stamp mechanism for printing a message on a receipt or like record media issued from a business machine. The stamp mechanism includes a stud with a spring-loaded washer thereon. The stud extends through an opening in a stamp holder and supports a spheri... | 08/27/1991 |
| 5029289 | Character display system A synchronized timing controller has an access controller for controlling a central processing unit and a display controller of a display device to alternately access a refresh memory in a character display system. The timing controller has a clock synchr... | 07/02/1991 |
| 5013168 | Tandem station dot matrix printer A dot matrix printer has two print head carriages, supported in parallel, and two print heads for printing a receipt and a journal in a tandem printing station arrangement. A drive cam with a rail on the periphery thereof is coupled to both carriages to d... | 05/07/1991 |
| 5013896 | Cashierless checkout system using customer passcard A checkout system includes a plurality of purchased goods entry terminals having a scanning section, a display section, a printing section and a passcard issuing section for issuing a passcard that includes customer identification and an amount of money, ... | 05/07/1991 |
| 5006863 | Multiple copy thermal imaging A heat sensitive copy system uses a magnetic thermal transfer ribbon to transfer images onto an adjacent medium and near infra-red energy is used to transfer the images from the medium onto thermal paper or onto translucent paper for producing multiple co... | 04/09/1991 |
| 5000598 | Guide mechanism for dot matrix printer A guide mechanism for a slip paper path and for a receipt paper path. A spring plate is provided at the confluence of the paper paths to prevent the slip from entering the receipt paper path. The spring plate is engaged by the receipt to allow the receipt... | 03/19/1991 |
| 4995184 | Passbook page turning mechanism A passbook page turning mechanism includes independently movable and spaced upper rollers and independently movable and spaced lower rollers which are vertically movable and which grip the passbook and move the passbook from a printing station to a page t... | 02/26/1991 |
| 4990003 | Paper feed mechanism for dot matrix printer A mechanism for feeding record media from a supply roll through a printing station. The printing station includes printing means and a platen assembly operable for printing on the record media. A feed roller is supported by the platen assembly and is mova... | 02/05/1991 |
| 4981059 | Cutting mechanism control for dot matrix printer A control mechanism for a record media cutting blade has a carriage for moving the cutting blade from a home position to a record media cutting position. The carriage has a photosensor secured thereto and is operably associated with a first reflecting mem... | 01/01/1991 |
| 4979838 | Receipt cutting mechanism for dot matrix printer A receipt cutting mechanism includes a round knife or blade which is positively and rotatably driven and which engages with a fixed knife edge as the round knife travels across the printer on a driven carriage. The positive drive includes a gear cluster a... | 12/25/1990 |
| 4961657 | Record media drive mechanism for dot matrix printer A rotating and driving mechanism for a record media feed roller adjacent a printing station. The feed roller is supported by the platen assembly and is movable therewith to provide a path for the record media through the printing station. A plate member i... | 10/09/1990 |
| 4959874 | Optical wireless communication system An optical wireless communications system includes a plurality of terminals each having a transmitter which transmits optical signals on a first carrier frequency and a receiver which receives optical signals on a second carrier frequency, and a plurality... | 09/25/1990 |
| 4944616 | Passbook read/write mechanism A magnetic read/write head is supported on the carriage that carries the platen of a passbook printer. The passbook is moved to the printing station and a sensor is provided for detecting the presence of the passbook. A height adjusting member operates to... | 07/31/1990 |
| 4938505 | Business form for use in shipping parcels A business form of multiple ply construction includes one ply having adhesive thereon for attaching directly to a package being shipped. The one ply is a removable waybill copy portion of the business form which provides a recond of information or data co... | 07/03/1990 |
| 4923749 | Thermal transfer ribbon A thermal transfer ribbon includes a substrate which has a thermal sensitive coating and a protective layer. The thermal sensitive coating is a solvent based wax mixture dispersed in a binder mix along with pigments. The protective layer is a water based ... | 05/08/1990 |
| 4912747 | Interlock device for electrical equipment An interlock device includes a shutter member disposed between a socket and a plug. The shutter member is coupled by a lost motion connection to the cover and movable therewith from a closed cover position allowing the plug to be inserted through an openi... | 03/27/1990 |
| 4898322 | Automated machine envelope A business form for use in an automated teller machine for business transactions. The business form is constructed of multiple plies to provide the user with a receipt of the transaction and to provide an envelope for enclosing a deposit slip or copy of t... | 02/06/1990 |
| 4898487 | Print head carriage for matrix printer A print head is secured to a print head carriage and movable along guide rails in printing operation. The carriage includes bearings engaging the guide rails which are secured to the frame of the printer. The print head carriage is made of conductive mate... | 02/06/1990 |
| 4894283 | Reuseable thermal transfer ribbon A reusable, thermal transfer ribbon includes a substrate, a functional coating consisting essentially of a carbon black emulsion, a hydrocarbon wax, and a thermoplastic resin, and a binding layer consisting essentially of a thermoplastic resin or a thermo... | 01/16/1990 |
| 4880159 | Glue head flushing system A glue head/line flushing system uses compressed air to circulate a cleaning agent or solvent from a reservoir and through filtering elements to a solvent manifold. The glue head/line is connected to the solvent manifold and the glue and/or glue particles... | 11/14/1989 |
