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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5085528 | Data card and serial printer using same A data card for a printer includes a plurality of data areas. Data readable by a sensor can be written in the data areas to control specifications or functions of a serial printer. A standard mark is printed on the data card to provide a reference positio... | 02/04/1992 |
| 4596478 | Automatic format, mode control and code conversion for data processing and printing apparatus The present invention is concerned with the control of the format of documents, such as letters, prepared automatically on a printer in response to code signals read from a record medium (magnetic storage medium), and to mode control means for associated ... | 06/24/1986 |
| 4176977 | Proportional carrier control and moving mechanism for electric typewriter A drive arrangement for a single element typewriter in which the element is mounted on a moving carrier, for facilitating proportional spacing incremental movements of the carrier. The carrier is bidirectionally driven by a servo motor which rotates bidir... | 12/04/1979 |
| 4044882 | Apparatus for moving a printer carriage A printer carriage as for a teleprinter or a typewriter is carried on a toothed belt along a printing row, the belt being driven in forward and reverse directions by a reversible stepping motor operating without feedback. Deceleration and precise stoppage... | 08/30/1977 |
| 4034842 | Arrangement for driving a printing head along a printing line An arrangement for driving a printing head along a printing line of a recording medium comprises a reversible direct-current electric motor which is coupled to the head for moving the latter forwards and backwards along the printing line. The head prints ... | 07/12/1977 |
| 4026402 | Incremental line printer An incremental impact printer of the dot matrix type. Binary words representative of data to be printed along a line of print may be accepted from either the printer keyboard or the output of a computer or other source. The printer electronics provides fo... | 05/31/1977 |
| 4024941 | Dot matrix type serial printer A step motor is employed as a source of power for transverse feed of the printing head assembly with a combination of a slitted rotary disc secured to the motor output shaft and a stationary detector unit provided to control the motor operation and the do... | 05/24/1977 |
| 3978966 | Tabulation operation sensing unit for automatic typewriter A unit for sensing a tabulation operation in an automatic typewriter. An interconnecting member is disposed between a typewriter mainspring and a fluid clutch. This member has a disk portion nested in a hole formed in a mainspring housing. An eccentric pi... | 09/07/1976 |
| 3950685 | DC motor position controller A system enables selective control of instantaneous motor armature position and, thus, the corresponding position of one or more elements driven by the motor. As utilized in a high speed printer, the system governs positioning of a printhead, enabling hig... | 04/13/1976 |
| 3938644 | Horizontal tabulation apparatus for accounting machines or the like An horizontal tabulation apparatus wherein a plurality of sensing elements defines code combinations corresponding to the tabulation positions and divides a plurality of cams in groups each associated with predetermined tabulation positions; stopping mean... | 02/17/1976 |
