Abstract: A modular-design recorder consists of a "print engine," a drive assembly for moving a print medium, e.g., paper, through the print engine, and a chassis for supporting the engine and the assembly. The chassis includes two identical sets of mounting studs, one on either side, for the mounting of the drive assembly. The drive assembly consists of a motor, a gear train through which the motor rotates the roller, and a bracket for mounting the motor on the either side of the chassis in a number of different angular orientations. The motor attaches to one end of the bracket, such that it mounts facing either toward or away from the chassis. The opposite end of the bracket mates with the mounting studs on the selected side of the chassis. The print engine consists of a print head, a roller for advancing the paper past the print head and a deflector.

Abstract: An electronic boxing game provides a display panel of LEDs arranged in two rows of body symbols and three rows of arm symbols. A body-symbol LED can be actuated to represent the position of a simulated boxer, and arm-symbol LEDs can be activated individually to represent blocks or in sequence to represent punches. A punch stopped by a block is prevented from having its full effect, and a successful punch results in simulated staggering, knockdowns, and knockouts.

Abstract: An electronic boxing game provides a display panel of LEDs arranged in two rows of body symbols and three rows of arm symbols. A body-symbol LED can be actuated to represent the position of a simulated boxer, and arm-symbol LEDs can be activated individually to represent blocks or in sequence to represent punches. A punch stopped by a block is prevented from having its full effect, and a successful punch results in simulated staggering, knockdowns, and knockouts.

Abstract: In the touch-responsive indicator switch construction disclosed herein, an electrically energizable light source is viewable through a printed circuit contact assembly. In the contact assembly, an essentially transparent flexible polymer sheet is folded to provide three juxtaposed layers, a ring-shaped contact element on the top layer being deflectable through an aperture on the intermediate layer to make contact with a similar ring-shaped contact element on the bottom layer, the light source being viewable through the centers of the ring-shaped contact elements.

Abstract: An improved method for transferring electrical components from a breadboard to a printed circuit board and mounting the components thereon is disclosed, as well as an apparatus for facilitating such transfer and mounting. In a preferred case, the breadboard comprises a solderless breadboard socket. A printed circuit board having a drilled hole pattern and circuit pattern matching that of a solderless breadboard socket is placed over the solderless breadboard socket so that the holes in each are aligned. Breadboarding is done by pushing the leads of various components through the printed circuit board and into the solderless breadboard socket. When the desired circuit is completed, the composite is utilized as one side of a container with the component side forming an inner surface thereof. Particles smaller than the components, such as polymer pellets, are introduced into the container to surround and cover the components and hold the components in place.