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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8168909 | Vacuum switchgear A vacuum switchgear comprising a vacuum container, two fixed contacts and two movable contacts for being in contact with and out of contact with the fixed contacts which are disposed in the vacuum container, and two operation rods linked to the each movable contact,... | 05/01/2012 |
| 8044317 | Circuit breaker having a plurality of breaker chambers arranged in parallel, with a common transmission and reduced length A high or very high voltage circuit breaker comprising, for each phase: at least two breaker chambers connected electrically in series and disposed parallel to each other in a metal tank, in which the ends of the c... | 10/25/2011 |
| 7053326 | Integrated type gas-insulated switching apparatus In an integrated type gas-insulated switching apparatus, a plurality of switching devices are provided. Each of switching devices includes a contact and an insulated container in which the contact is contained. The contact comprises electrodes adapted to be contacte... | 05/30/2006 |
| 6034860 | Circuit breaking contact with micro-contact interface Opening electrical contacts or electrical circuit interrupters. Particularly, a design for an electrical switch having opening electrical contacts which inhibit arcing. More particularly, a circuit breaker having a micro-contact interface comprising a con... | 03/07/2000 |
| 5668360 | Circuit-breaker having two interrupting chambers per pole with drive mechanism and drive rods isolating insert capacitors A circuit-breaker having two interrupting chambers per pole, the chambers being disposed in a T or V configuration at the end of a column provided at its base with a control system for operating a drive rod, each chamber containing a moving assembly conne... | 09/16/1997 |
| 5663544 | Switching device having a vacuum circuit-breaker shunt connected with a gas-blast circuit breaker A device for switching electric current includes a compressed gas switch, at least one vacuum switch, and two terminals. A first consumable contact of the compressed gas switch is electrically connected to a first of the two terminals and a movable electr... | 09/02/1997 |
| 4492835 | Load interrupter device A load interrupter device has a plurality of load interrupter contacts enclosed respectively in axially aligned vacuum bottles, each bottle containing a fixed contact and a second contact movable axially away from the fixed contact to open position and to... | 01/08/1985 |
| 4319296 | Series connected oscillating transverse field interrupter and method The invention provides a technique for interrupting current employing a plurality of series connected vacuum arcs in parallel with a resonating circuit. At least one of the series vacuum arcs is subjected to an oscillating transverse magnetic field which ... | 03/09/1982 |
| 4302642 | Vacuum switch assembly A vacuum switch assembly which is connectable as a shunting switch across the electrodes of an electrochemical cell, in which a plurality of electrical parallel current paths are provided through a plurality of parallel vacuum switches with separate elect... | 11/24/1981 |
| 4293747 | High-voltage puffer-type compressed-gas circuit-interrupter assemblage A generally cross-shaped, or "T"-shaped circuit-interrupter assemblage is provided having three outwardly radiating supporting arms, or members, within each of which is disposed a puffer-type compressed-gas circuit-interrupting unit. Common contact-operat... | 10/06/1981 |
| 4243855 | Hydraulic system for simultaneous control, especially for the control of electric circuit breakers Two circuit breakers or circuit breaker modules are actuated by hydraulic jacks fed by supply and drain valves operated by a single closing-operation control unit. A differential pressure detector is subjected to the pressure of the two jacks. In the even... | 01/06/1981 |
| 4159404 | Multi-pole high-voltage circuit-interrupter having independent pole tripping with a single common operating mechanism A multi-pole high-power circuit-interrupter is provided having a common operating mechanism, and having independent pole operation by associating with each of the several pole-units its own independent collapsible latching means, which may be very quickly... | 06/26/1979 |
| 4087664 | Hybrid power circuit breaker A hybrid circuit breaker consists of a series-connected vacuum interrupter and sulfur hexafluoride interrupter wherein the contacts of each are simultaneously operated. The sulfur hexafluoride interrupter is of the type in which an arc is rapidly rotated ... | 05/02/1978 |
| 3970810 | Electric circuit breaker comprising parallel-connected vacuum interrupters This electric circuit breaker comprises a plurality of vacuum-type circuit interrupters electrically connected in parallel with each other and means for opening the interrupters substantially simultaneously during circuit interruption. Each interrupter co... | 07/20/1976 |
| 3970809 | Electric circuit breaker comprising parallel-connected vacuum interrupters This electric circuit breaker comprises a plurality of vacuum-type circuit interrupters electrically connected in parallel with each other and means for opening the interrupters substantially simultaneously during circuit interruption. Each interrupter co... | 07/20/1976 |
