Abstract: A device for mounting an electronic flash on a camera, which comprises a flat box accommodating film, a substantially pyramidal-shaped projection protruding from the flat box, a lens provided at the end of the projection and a flash receptacle. The device includes a portion for mounting the electronic flash, a portion surrounding and secured to the projection and a hinged portion for removably securing the device to the camera.

Abstract: An electronic photo flash capable of being used in cameras which are constructed so that only the special flash of the trade name "Flip Flash" is used as an artificial light source. The electronic photo flash has a terminal board to be plugged into the flash socket which is for mounting the flash of such camera. With the apparatus of the present invention, it is possible to check whether or not the terminal board has been plugged positively into the flash socket by indicator means whose visual state will change to provide an indication of a positive connection.

Abstract: This invention relates to a device for measuring the rhythm and impact timing in golf club swings by noting the golfer's swing position corresponding to the collision of a movable tube with a stopper tube both located on the golf club shaft. Said movable tube is initially held against a magnetic element positioned at the upper grip portion of the tube, said magnetic element capable of being varied in its magnetic attractive, force. The movable tube is moved from said magnetic element due to centrifugal force during the golfer's swing.

Abstract: An improved method and apparatus for measuring fluid flow and controlling fluid flow systems. The invention uses a magnetically responsive float normally resting in contact with a stop element positioned in the flow conduit, with magnetic means positioned upstream. The requisite increase of magnetic force to pull said float element from the stop element against the direction of fluid flow is related to the flow rate, thus serving to indicate same for metering or control purposes. Normally, the current to an electromagnet required to overcome the force of fluid flow is used as a measure of flow rate. This system can also be employed to determine fluid viscosity.

Abstract: Drugs which are suitable for such therapy in treatment of narcotic drug addiction by oral use, e.g., methadone, are formulated to prevent injection abuse through concentration of the active component in aqueous solution by incorporating in a solid dosage or tablet form of such drug an ingestible solid having thickening properties which causes rapid increase in viscosity upon concentration of an aqueous solution thereof.

Abstract: Brake levers for bicycles, according to which there are auxiliary brake levers in addition to primary brake levers. The auxiliary brake levers have pivot axes different from the primary brake levers.

Abstract: A system for accurately controlling the density of liquids in a processing system employing a chamber having a finned hydrometer with control activation mechanism floating in a reservoir of continuous sample solution, and having a plurality of chambers so constructed so as to create a liquid stream feeding the zone containing the hydrometer and imparting rotational motion thereto. The height of the hydrometer is sensed as measuring the density of the liquid sample. Appropriate corrections are made to the processing system.