An electronic memory cell consists of a bistable and three access paths. Two of the access paths control the state of the bistable. Connected between the two access paths controlling the state of the bistable and the third access path is a M.O.S. transistor whose impedance varies in dependence upon the state of the bistable.

An electrolysis cell for purification of water containing dissolved chlorides by generation of chlorine or hypochlorite consists of coaxial tubular anode and cathode defining an annular flow passage for the continuous flow of the electrolyte and the inlet passages to the annular passage are arranged to produce a swirling motion of the electrolyte around the axis of the anode in order to prevent blocking of the narrow annular passage by deposits.

An electronic memory cell consists of a bistable circuit and three access paths. Two of the access paths are used to control the state of the bistable, one of these paths being used to set the bistable, to one of its two stable states and the other of these access paths to set the bistable to the other stable state. A low impedance path is provided between one of these two access paths and the third access path in dependence on the state of the bistable to permit read-out of the memory cell.

Electrochemical primary and secondary cells which utilize alkali or alkaline earth metal anodes such as lithium, potassium, sodium, calcium and magnesium, and catalytic air electrodes which utilize components of the atmosphere, namely, oxygen and water as a source of electrochemical power. The electrolyte system in the electrochemical cells comprises a nonaqueous electrolyte solvent, namely, an organic solvent of sufficient polarity to dissolve an electrolyte salt.

An electrolytic cell with spaced-apart electrodes in a row so constructed that the inter-electrode spaces are in series so that the electrolyte flows through them in succession. Preferably the electrodes are at least 1 centimeter thick and the inter-electrode spaces communicate with one another only by way of holes through the electrodes. The electrodes may be wedge-shaped.

An electro-optical cell, comprising an insulating case, having two windows arranged opposite to each other; a crystal in said insulating case; two insulating countercheeks, supported on the extreme faces of said crystal, by means of metallic electrodes, said countercheeks covering said windows in said insulating case, said electrodes and countercheeks having openings to allow the passage of light traversing the crystal;, and further characterized in that a sleeve, consisting of an insulating sub...

An electrochemical cell including a current collector which extends between end caps of the cell so as to impart structural rigidity to the cell. The current collector may extend through an apertured anode of the cell and engage the anode so as to serve as its current collector.

A dry cell of excellent performances, particularly in discharge characteristics, in which an ion-permeable barrier membrane is interposed between a cathode mixture and a negative electrode-consistuting zinc casing and more specifically between the cathode mixture and a paste layer, said membrane being of such a character that it blocks the transfer of water and a paste from the paste layer side to the cathode mixture side without being dissolvedduring storage and in the earlier stages of dischar...

A conductivity measuring cell comprising two tubes arranged concentrically one within the other the outer tube being closed at one end, a first pair of electrodes for connection to a current source one of which is disposed at the bottom of the outer tube and the other of which is disposed near the open end of the outer tube and adapted to extend within the inner tube so as to make contact with any fluid contained therein, and a further pair of electrodes, for connection to a voltage measuring ar...

Gas depolarized cell which includes a vent to allow the pressures interior and exterior of the cell to equalize. The vent comprises an aperture or volume closed by electrolyte-phobic, gas permeable material. This material is preferably a portion of the cathode of the cell. End cap crimping arrangements are also provided for sealing the ends of the cell.