Assignee: Smith Corona Corporation

Location: Cortland, NY
No. of patents: 33

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Number	Title	Issue Date
5912514	Uninterruptible power supply unit An uninterruptible power supply unit for coupling between an adapter with an adapter connector and an electronic device in accordance with one embodiment of the present invention includes a self-contained housing, a backup power supply, and an output swit...	06/15/1999
5838352	Ink cartridge refilling device and station for cartridges and gravity feed ink bottle A device for piercing holes in an ink cartridge to enable ink to be inserted therein and an ink cartridge station for securing cartridges of two or more sizes so that the cartridges may be pierced and/or stored therein....	11/17/1998
5435657	Label printer and tape and ink ribbon cartridge for use therein A thermal printing device comprises a label tape printer and tape and ink ribbon cartridge for horizontal insertion into the printer. The cartridge housing includes an upper cover and a base which are joined by telescoping hubs and posts. The cartridge co...	07/25/1995
5388922	Miniature keyboard A miniature keyboard assembly for generating code signals representative of selected characters and functions. The assembly including at least one but preferably, two glide keys, each coupled to a depressible keybutton for controlling the movement of its ...	02/14/1995
5383735	Miniature keyboard with sliding keys A miniature keyboard assembly for generating code signals representative of selected characters and functions. The assembly including at least one but preferably, two glide keys, each coupled to a depressible keybutton for controlling the movement of its ...	01/24/1995
5267803	Cassette having compatibility arrangement An arrangement for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and second cassette having a correction tape therein in the operation thereof, the arrangement including enga...	12/07/1993
5199804	Quiet impact printer mechanism An improved quiet impact printer mechanism for use with a typewriter or printer which includes a print hammer having a significant mass for impacting a character pad against an ink ribbon, paper and a platen. A first embodiment has a drive means providing...	04/06/1993
5174671	Printing mechanism with print hammer having noise dampener A printing device including a print hammer having a noise dampener for use with an impact printer mechanism. The print hammer has a significant mass for impacting a character pad against an ink ribbon, paper and a platen. In a first embodiment the print h...	12/29/1992
5098208	Ribbon cassette with integral paper guide An improved dual purpose print ribbon cartridge for use with a typewriter or printer having upper and lower walls joined by side walls one of which is a front sidewall. The cartridge being provided with ribbon exit and entrance ports at opposite ends of o...	03/24/1992
5089897	Facsimile paper supply cartridge system A facsimile machine and paper cartridge system wherein the facsimile machine is convertible by accepting disposable cartridges having either plain paper or paper coated with a thermal transfer coating, either cartridge having a paper flow path which rever...	02/18/1992
5074689	Ribbon cassette with integral paper guide An improved dual purpose print ribbon cartridge for use with a typewriter or printer having upper and lower walls joined by side walls one of which is a front sidewall. The cartridge being provided with ribbon exit and entrance ports at opposite ends of o...	12/24/1991
5060154	Electronic typewriter or word processor with detection and/or correction of selected phrases A word processing system or memory typewriter having a list of misused phrases together with alternative phrases for each misused phrase in the list and all stored in the memory. The memory includes a spelling Dictionary part and a phrase alert part which...	10/22/1991
4971462	Plural cassettes having compatibility arrangement An arrangement for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and a second cassette having a correction tape therein in the operation thereof, the arrangement including en...	11/20/1990
4907900	Auto-realigned print correction A word-processing system or memory typewriter has the usual keyboard, input display and printer, including a correction ribbon for removing erroneous characters from a document held in the printer; together with a spelling dictionary stored within the mem...	03/13/1990
4900171	Ink ribbon and correction tape cassette compatibility A means for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and second cassette having a correction tape therein including a switch means in the device that controls the on-off...	02/13/1990
4887920	Punctuation check feature for an electronic typewriter An electronic typewriter having a punctuation checking feature checks each punctuation feature as it is stored in a memory section, against a set of predetermined rules which define punctuation errors in terms of the context of the punctuation mark. If th...	12/19/1989
4888730	Memory typewriter with count of overused words A memory typewriter having an editable text stored in the memory together with a full-page correction buffer and individual counters associated with each differentiable word in the text. The combination permits determination and display of the most freque...	12/19/1989
4886383	Tape cassette for metering correction tape feed A tape cassette has a sensing arm pivotally mounted therein biased against a correction tape on a take-up spool for sensing the amount of correction tape thereon. A correction tape feed mechanism mounted in a typewriter has a metering post for engaging th...	12/12/1989
4886385	Ribbon tensioning mechanism A ribbon or tape tensioning system for typewriter correction ribbons includes a brake for exerting a braking force on a supply or feed ribbon spool. The mounting capstan for the feed spool is provided with a toothed hub which can be engaged by a pawl rota...	12/12/1989
4865368	Slide latch gravity lock The slide latch gravity lock of the present invention includes means which prevent the lock from opening when the article with which the lock is utilized is in its vertical position. When the article is moved from its horizontal position to a vertical pos...	09/12/1989
4855548	Keybutton guide assembly for a keyboard A keybutton guide assembly for a full sized keyboard with full travel keybuttons has a structure including a keybutton having a spring actuator engaging a spring finger at a location spaced away from a keybutton stem. This structure causes the keybutton s...	08/08/1989
4847766	Dictionary typewriter with correction of commonly confused words A word-processing system or memory typewriter having a list of commonly-confused words together with a definition for each word in the list and associated alternative words and their definitions, all stored in the memory. An audiovisual warning signal is ...	07/11/1989
4818828	Electronic keyboard A full sized electronic keyboard with full travel keybuttons provides switches for controlling an electronic typewriter or for controlling other devices. The keyboard has a structure designed for reducing part count and switch component part size and for ...	04/04/1989
4808017	Pivotable character display for a typewriter A character display is pivotably mounted on an electronic typewriter for pivotable movement from an open position for viewing the character display to a closed position for covering the keyboard. The character display has a pivot axis in alignment with a ...	02/28/1989
4807181	Dictionary memory with visual scanning from a selectable starting point A portable electronic typewriter having a memory incorporating a low-cost spelling-check dictionary and including a multi-character display. The typewriter is operable in a "List" mode according to which the operator can call up display of a portion of th...	02/21/1989
4797855	Word processor having spelling corrector adaptive to operator error experience A word-processing system or memory typewriter has the usual keyboard, input display and/or printer; together with a spelling dictionary stored within the memory, and an error signal generating device activated upon entry of an incorrect word. For greater ...	01/10/1989
4783761	Spelling check dictionary with early error signal A method and apparatus for adding a low-cost spelling check dictionary feature to document preparation systems such as portable electronic typewriters, the spelling check being performed on a character-by-character basis and an error signal emitted upon t...	11/08/1988
4782464	Compact spelling-check dictionary A low-cost spelling-check dictionary apparatus for incorportation in a portable electronic typewriter. Semiconductor ROM is used for storage of the dictionary's word listing and for program control of the spelling check. Text compression methods are utili...	11/01/1988
4768891	Typewriter lid actuated printing element homing and carrier reposition device The present invention is a typewriter lid actuated printing element homing device which uses a single switch for assuring that the printing element is engaged and maintained in its home position without any accompanying noise after the printing element is...	09/06/1988
4746235	Printing element homing device The present invention includes means for maintaining a printing element in its home position without any accompanying noise and for thereafter moving the carrier to its left margin position after the power switch is turned on. A latch member controlled by...	05/24/1988
4745386	Solenoid device An improved solenoid wherein the volume of a secondary air gap is increased during the plunger stroke, in order to reduce the increased plunger force that would otherwise occur during the plunger stroke....	05/17/1988
4743128	Print hammer solenoid conditioned single solenoid ribbon and tape feed system A single solenoid is connected to a ribbon feed mechanism which is selectively operable either to feed a print ribbon or to lift and feed an error correction tape. A print hammer solenoid is operable to condition the ribbon feed mechanism either for feedi...	05/10/1988
4717272	Ribbon feed mechanism A ribbon feed mechanism for printing machines has a motor coupled to a ribbon drive mechanism for feeding a ribbon in response to energization of the motor. A control mechanism is coupled to the ribbon drive mechanism and responsive to the ribbon drive me...	01/05/1988

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Assignee: Smith Corona Corporation