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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 5314340 | Electronic teaching apparatus having two-part partially and wholly actuated for indication of correct and incorrect answers An electronic learning device (10) uses keys (12a-d) which self-generate an electric signals responsive to a key being pressed. One signal drives the CORRECT segments (18b) of a display (18) and the other signal selectively drive the IN segments (18a) res... | 05/24/1994 |
| 5260512 | Sound-signal generator having ball-shaped housing with keyboard incorporated therein Sound signal generator, comprising a housing (1,2) containing a microcontroller for the storage and control of reproduction of several sound messages, and a loudspeaker for reproducing the said sound messages connected to the in lieu thereof microcontroll... | 11/09/1993 |
| 5258331 | Method of manufacturing resin-encapsulated semiconductor device package using photoresist or pre-peg lead frame dam bars A method for manufacturing a semiconductor device, which has the steps of connecting adjacent outer leads, with an insulating photoresist or prepeg material with a width locally provided only in areas with said width along the direction of arrangement of ... | 11/02/1993 |
| 5237411 | System and method for processing teletext information included with video signal utilizing buffered individual teletext information pages System for processing teletext information which makes it possible practically without any delay to reproduce the information pages transmitted by television transmitters on the screen of a television set, the updated state of the reproduced pages being e... | 08/17/1993 |
| 5235496 | Device for packaging integrated circuits The device comprises at least one printed circuit board (11,12) on which is fixed a heightening board (15) comprising at least one opening (16) for forming with the surface of the printed circuit board (12) located in facing relation to the opening, the b... | 08/10/1993 |
| 5231363 | Pulse width modulating producing signals centered in each cycle interval A pulse width modulating circuit including a shift register and a subtraction circuit, with first and second binary counters respectively connected to the outputs of the shift register and the subtraction circuit, and a logic circuit connected to the outp... | 07/27/1993 |
| 5221634 | Method of making semiconductor device employing self diffusion of dopant from contact member for augmenting electrical connection to doped region in substrate The invention relates to such semiconductor devices comprising: a wiring layer with a predetermined pattern formed over a major surface of a semiconductor substrate through an insulating film, a diffusion layer formed under a contact hole formed in said i... | 06/22/1993 |
