Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4433925 | Manually-operated dot printer for pocket sized calculators A manually operated dot printer designed for use in a pocket sized calculator or a small sized electronic device includes a printing head which is manually movable across a sheet of printing paper in one direction. A pulse generating circuit produces a si... | 02/28/1984 |
| 4427314 | Speed controlled printer A manually operated dot printer designed for use in a pocket-sized calculator or a small-sized electronic device includes a printing head which is manually driven across the dot printer paper in one direction to store energy in springs. The springs return... | 01/24/1984 |
| 4383777 | Torque-limiting carriage return knock-off mechanism A carriage return device utilizing a spring clutch and shock unloader spring is disclosed in conjunction with a cord tension sensing mechanism for detecting the cord tension increases when the paper carriage of a typewriter ceases to move and the carriage... | 05/17/1983 |
| 4352576 | Serial printer having a single drive motor A printer having clutches for selectively transmitting the driving power from a single motor to a rotary shaft for rotating the type wheels and to a hammer drive shaft for driving a hammer is described. The clutches are under the control of a single contr... | 10/05/1982 |
| 4310256 | Printers In an extra-small sized printer of the so called serial type, which prints one character every time a type wheel is shifted by a distance corresponding to one character in the direction of the line of typing, the simplification of a driving source as well... | 01/12/1982 |
| 4149810 | Carriage return device The invention relates to a device for returning a carriage driven in translation in a forward stroke by means of a traction wire and returned to its starting position by means of a return spring, wherein said return spring acts on the carriage by means of... | 04/17/1979 |
| 4094397 | Typewriter selection drive follower block and shuttle assembly A shuttle is disclosed which carries as part of its assembly at least a pair of follower blocks for providing the motion required to effect selection on a single element typewriter. The shuttle allows the follower blocks to provide the requisite motion an... | 06/13/1978 |
