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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 5048986 | Self aligning inking roll for a printer A self-aligning inking roll for a printer which includes an inking roll, an ink transfer roll, a printer, and an endless ribbon mounted on the transfer roll and the printer so as to provide a fresh supply of ink thereto. The inking roll is mounted on an a... | 09/17/1991 |
| 5026974 | Method for recognizing the leading edge of a character in E13B font A method for locating the start of a MICR character in E13B font so as to facilitate character recognition. A Calculated Character Start Position (CCSP) is generated by using a predetermined number of voltage samples corresponding to a portion of MICR wav... | 06/25/1991 |
| 5017033 | Method of producing a printer which facilitates clearing a jammed document A method of producing a printer so as to effect a low profile for sit/stand operations and to facilitate the removal of a jammed document from a print station in the printer. The printer is formed of a bottom portion and a top portion which are hinged tog... | 05/21/1991 |
| 5014324 | MICR character reader using magnetic peaks to update timing clocks An apparatus for use in reading magnetic waveforms, like E13B, which are printed on a carrier like financial documents or checks. The waveforms include positive and negative peak values and substantially zero values occurring at predetermined times for a ... | 05/07/1991 |
| 5012075 | Portable container for valuable items A currency cassette (10) has a printed circuit board (80) secured to one of its side walls, the board (80) having mounted thereon a microprocessor, a RAM, a real time clock chip, and battery means for supplying power for the board (80). First (208) and se... | 04/30/1991 |
| 5006960 | Means for routing connection cables out of a table top terminal A cable clip apparatus for routing connection cables out of a table top terminal, like a bank data entry machine, for example. The apparatus includes a coupling member which is located inside a cabinet of the terminal. Mating coupling members are coupled ... | 04/09/1991 |
| 5000815 | Apparatus for applying a correction sticker to a document A method and apparatus for applying a correction sticker to a document to cover incorrect data entered on a field on the document. Correction stickers on a carrier strip are fed to an application station where a document whose field to be covered is locat... | 03/19/1991 |
| 4998261 | Spread spectrum signal demodulator In a digital data receiver (80) for demodulating a direct sequence spread spectrum differential phase shift keyed data signal, the signal is applied to the input transducer (140) of a SAW device (100) which has first and second output transducers (142, 14... | 03/05/1991 |
| 4988831 | Strain relief apparatus for relieving strain on a cable of an electronic device A strain relief apparatus for relieving strain on a cable of an electrical device having a housing with a notched-out portion therein. The strain relief apparatus is generally planar and is mounted directly into the notched-out portion. The strain relief ... | 01/29/1991 |
| 4982947 | Apparatus for detecting the passage of multiple superposed sheets along a feed path A linear variable differential transformer (42) produces an output voltage which varies linearly with movement of the axis of a movable axis roller (14) relative to the axis of a fixed axis roller (12) brought about by the passage of a sheet between the r... | 01/08/1991 |
| 4960336 | Apparatus and method for calibrating printing at a specified distance from a document edge A method for calibrating a printer to print data beginning at a specified distance from the reference edge of a document. Several test documents are moved through a print station and a test symbol is printed on each of them with a preselected set of heati... | 10/02/1990 |
| 4958797 | Coin roll break device for protecting a tray wall of a compartment of a till tray A device for protecting a plastic tray wall of a compartment of a till tray when a user breaks a wrapper of a coin roll by impacting the coin roll against the tray wall. A generally U-shaped member, which is made of metal or plastic, is mounted on a tray ... | 09/25/1990 |
| 4957382 | Platen-yoke apparatus for a printer using a floating platen A platen-yoke apparatus for a printer using a "floating platen". The platen for a wire matrix printer is mounted in a U-shaped channel. When the printer is moved to one side of a document feeding surface, a ramp on one end of the platen cooperates with a ... | 09/18/1990 |
| 4955964 | Sheet handling apparatus A sheet handling apparatus includes first and second endless belts (38, 40) which are of resiliently stretchable material and parts of which are in cooperative relationship with respect to each other, a sheet (68) being fed through the apparatus while gri... | 09/11/1990 |
| 4944617 | Encoder employing a shock absorbing tension spring An encoder having a special construction which includes a special tension spring which increases the life of the encoder. The tension spring has first and second "U"-shaped portions formed on one end thereof with the remaining end of the spring being secu... | 07/31/1990 |
| 4941205 | Bidirectional optical data communications system A system and method are disclosed for optically communicating data between two data handling units where one of the data units supplies all of the optical power needed for the optical communications between the two data units. In a preferred embodiment a ... | 07/10/1990 |
| 4932065 | Universal character segmentation scheme for multifont OCR images The method comprises: selecting an examination window whose size covers the image data associated with a character within a set of characters; presenting image data for a known character to the examining window to obtain a probability density function (PD... | 06/05/1990 |
| 4924522 | Method and apparatus for displaying a high resolution image on a low resolution CRT A method and apparatus for displaying a high resolution image on a low resolution CRT with a minimal loss of information. Even rows of a source or matrix of binary pixels are stored in an "even" video RAM and odd rows are stored in an "odd" video RAM at a... | 05/08/1990 |
| 4921279 | MICR printing technique and apparatus to minimize rejects with correction stickers A method and apparatus for minimizing rejections when using correction stickers on documents which are to be read by a single channel or "deep" MICR read head in subsequent reading operations. The method entails printing the correct MICR data on the corre... | 05/01/1990 |
| 4916552 | Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel An optical reader head with a video compensation circuit for use in high speed document reading. The reader head utilizes small focussed bulbs to illuminate the scanning line, with the head being comprised of first and second body sections housing a lens ... | 04/10/1990 |
| 4901365 | Method of searching binary images to find search regions in which straight lines may be found A method of searching a matrix of binary data to find search regions in which straight lines may be found, with the straight lines being those which are perpendicular to the original direction of scanning which produced the matrix of binary data. The meth... | 02/13/1990 |
| 4890198 | Process and apparatus for retaining a circuit board in a mounted position in a computer housing A method and retainer for retaining a circuit board in a mounted position within a housing of an electronic device. A working distance is determined, which is defined as the distance between the circuit board and the housing, and the length of the retaine... | 12/26/1989 |
| 4888802 | System and method for providing for secure encryptor key management A system and method for storing encrypter keys in a secure manner to prevent a "debugger" or an unauthorized user of a user application from compromising the keys. A static RAM with a battery support is used to store the keys after they are installed ther... | 12/19/1989 |
| 4875670 | Floating idler wheel arm assembly for a document transport An idler wheel assembly having an idler wheel arm and an idler wheel rotatably mounted on one end of the arm to co-act with a feed wheel located on one side of a document track when the arm is moved from an inactive to an active position relative to the f... | 10/24/1989 |
