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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7504177 | Reserve battery with set back mechanism for delayed battery activation A reserve battery including a dual-purpose fill port member that also operates as a battery activation mechanism. The reserve battery includes a frangible barrier positioned inside a case. The frangible barrier divides the case into a first compartment holding cell ... | 03/17/2009 |
| 6986964 | Metal air cell incorporating ionic isolation systems Electrochemical cell systems are disclosed herein that are capable of selective ionic isolation, oxidant isolation, oxidant removal, moisture control, and combinations thereof. Selective ionic isolation is generally effectuated by selectively eliminating or minimizi... | 01/17/2006 |
| 6203939 | High temperature battery and electrolytes A high temperature battery of one or more cells is disclosed in which each cell is made by holding an anode electrode and a cathode electrode, of different metallic substances, together through a fused flux wetted to an electrode, which fused flux is an e... | 03/20/2001 |
| 6136468 | Electrochemical cell with deferred assembly Printed electrochemical cells including both power cells and display cells are arranged in a partially assembled condition to extend shelf life of the cells. The partially assembled condition is also used as a switching mechanism for controlling activatio... | 10/24/2000 |
| 6022637 | High temperature battery A high temperature battery of one or more cells is disclosed in which each cell is made by holding an anode electrode and a cathode electrode, of different metallic substances, together through a fused flux wetted to an electrode, which fused flux is an e... | 02/08/2000 |
| 5756228 | Electrochemical device for generating direct current The electro-chemical apparatus for generating direct current comprises two flat and thin stainless steel tapes (30,30') representing anode and cathode respectively owing to the anode strip being covered with an anode material such as lithium. The tapes ar... | 05/26/1998 |
| 5679478 | Reserve battery having simplified construction and improved range of operation A reserve, energy sourced, or deferred action battery in which each battery cell is provided a separate reservoir containing the necessary electrolyte fluid for that cell. A simple design is then possible as the electrolyte fluid is stored in close proxim... | 10/21/1997 |
| 5573871 | Electrochemical cell A high temperature rechargeable electrochemical cell which comprises a housing containing an anode separated from a cathode by a solid electrolyte separator. The separator is a hollow operatively upright electrode holder defined, in cross-section, by a pl... | 11/12/1996 |
| 5536592 | Galvanic battery with replenishable electrodes and/or electrolyte for extended battery operation The galvanic battery of the present invention supplies the anode and/or cathode from an elongated strip of flexible tape preferably interconnected through a strip of inactive material functioning as a leader for said tape and for separating the tape enter... | 07/16/1996 |
| 5527636 | Green power supply for a small calculator A calculator includes a shell defining two slots. The calculator uses a switch and a power supply. The switch includes two tubular portions projecting therefrom and being slidably received in the slots so that the switch can be moved between ON and OFF po... | 06/18/1996 |
| 5487955 | Cooled zinc-oxygen battery The invention provides a multi-cell, sealed, cooled, zinc-oxygen battery, comprising a container containing a plurality of bi-cells, each cell having a housing provided with two major surfaces and accommodating a pair of oppositely-disposed, spaced-apart,... | 01/30/1996 |
| 5472803 | Charge retention battery A charge-retention battery includes in a cover a plurality of reservoirs corresponding to the cells of the battery. The cover has the lateral dimensions of a conventional battery case and shortened sides. Minimum length transfer tubes run between the rese... | 12/05/1995 |
| 5389461 | Electrochemical battery with mobile electrodes An electrochemical battery with mobile electrodes of the so-called "reserve" type. According to one characteristic of the invention, the battery includes a holder for holding the electrodes outside the cells during a storage period of the battery, and for... | 02/14/1995 |
| 5250370 | Variable area dynamic battery A storage battery structure is disclosed including electrodes which are moved relative to each other during operation. The electrodes also have areas that are both different in size, with ratios that are variable. The battery structure includes a first el... | 10/05/1993 |
| 5030526 | Auxiliary battery An auxiliary battery having a casing divided by a partition member, defines a first compartment, for initial receipt of an electrolytic medium, and a second compartment for subsequent receipt of the electrolytic medium. A valve assembly is disposed within... | 07/09/1991 |
| 5024904 | Direct current salt water activated generator A portable, direct current electric generator uses a salt water solution as an electrolyte. An outer housing in the form of an open-topped, rectangular box is provided, and an inner housing having a compartment for receiving the salt water electrolyte is ... | 06/18/1991 |
| 4842964 | In-situ electrolyte storage for batteries The present invention provides in-situ electrolyte storage for batteries. The size of the reserve battery is significantly smaller due to the placement of an elastomeric sealed container within the interelectrode space of the battery. The sealed container... | 06/27/1989 |
| 4830936 | Activatable electrochemical battery implementing lithium/oxyhalide couples An activatable electrochemical battery implementing lithium/oxyhalide couples. The present invention relates to an activatable lithium/SOCl2 or lithium/SO2 Cl2 primary battery in which means are provided for eliminating le... | 05/16/1989 |
| 4725514 | Deferred action battery activated by rotation A deferred action battery in which activation is initiated by rotating one part of the battery (the rotor) with respect to a second part of the battery (the stator). A liquid electrolyte is stored within a chamber in the rotor, and a cathode mix is stored... | 02/16/1988 |
| 4720439 | Deferred action battery activated by rotation A deferred action battery in which activation is initiated by rotating one part of the battery (the rotor) with respect to a second part of the battery (the stator). A liquid electrolyte is stored within a chamber in the rotor, and a cathode mix is stored... | 01/19/1988 |
| 4695520 | Electrochemical reserve battery A reserve or deferred action battery stores electrolyte about a collapsed llows in a separate chamber sealed from the cell compartments by a rupturable disk. Compressed gas for expanding the bellows and expelling the electrolyte is contained within a rigi... | 09/22/1987 |
| 4628014 | Deferred-action battery A deferred-action battery having a rotor in the form of a sealed annular chamber capable of holding an electrolytic solution and a stator capable of holding a carbon rod, cathode mix, separator, a bottom insulator and an anode, the top of the stator being... | 12/09/1986 |
| 4548878 | Electrochemical cell and method of passivating same Selected saturated organic polymers having multiple ether linkages are useful in at least partially passivating the electrochemical reaction occurring at the reactive metal anode of an electrochemical cell using an aqueous electrolyte. Useful polymers are... | 10/22/1985 |
| 4439501 | Charge-retention storage battery An electric storage battery is provided wherein the electrolyte is transferred under pressure of an inert gas to a reservoir for containment during periods of non-use of the battery. The inert gas also serves to blanket the battery electrodes during such ... | 03/27/1984 |
| 4421830 | Battery having replaceable electrodes A replaceable electrode primary battery utilizing hollow zinc anodic electrodes and hollow nickel oxide cathodic electrodes immersed in a potassium hydroxide electrolyte solution. The electrodes are arranged in stacks formed by electrically conducting gui... | 12/20/1983 |
| 4349615 | Rechargeable electrochemical cell and method for charging same A rechargable electrochemical cell has a negative electrode; a positive electrode spaced therefrom; an electrolyte solution in which portions of said negative and said positive electrodes are immersed; a flexible housing means whereby said electrodes and ... | 09/14/1982 |
| 4327161 | Electrochemical storage cell device An electrochemical storage cell device provides fluctuating voltage and current to a load to be driven. A plurality of the electrochemical storage cell devices may, when initially charged up, be used to provide alternating current and alternating voltage ... | 04/27/1982 |
| 4288501 | Reusable reserve battery system Control valve actuated pneumatic means evacuating electrolyte from a storage battery cell to an adjacent storage compartment and for returning the electrolyte to the cell when desired, having a storage compartment, a battery cell, pipe means extending to ... | 09/08/1981 |
| 4148974 | Stable electrolyte for reserve electrochemical cells The use of lithium hexafluroarsenate dissolved in acetronitrile as an electrolyte in a reserve electrochemical cell having a lithium anode, a sulfur dioxide depolarizer and a means for maintaining the electrolyte and depolarizer remote from the anode prio... | 04/10/1979 |
| 4000351 | Spirally wound electrolytic cell and method for its winding An electrolytic cell pack consisting for instance of opposite polarity electrodes and alternate interposed separator is spirally wound by (a) attaching a thin flexible leader tab having a folded end to the cell pack, (b) curling the folded end of the lead... | 12/28/1976 |
| 3986895 | Reserve activated electrochemical cell A reserve activated electrochemical cell in which a reservoir containing a quantity of electrolyte is placed within an outer cylinder and is biased to force the reservoir to a predetermined active position. Restraining means are provided to restrain the r... | 10/19/1976 |
