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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7232967 | Door-opening sensor and refrigerator equipped therewith An open-door sensor for a refrigeration device contains a magnetically operated switch and a housing that surrounds the switch. Plug-in contacts for the switch are accessible from one side of the housing. The housing is equipped with detachable fixing elements for f... | 06/19/2007 |
| 7154058 | Door switch assembly for washing machine and dryer A door switch assembly for a washing machine and a dryer having improved reliability is disclosed. The door switch assembly includes a plunger movably provided in a cabinet of the dryer and pushed by a door to operate an electrical switch, an elastic member provided... | 12/26/2006 |
| 7006876 | Safety cabinet with simplified operability The invention pertains to a safety cabinet with an interior that is enclosed by a housing and a housing front side with a work opening that can be closed with a height-adjustable window. The safety cabinet contains an operating unit for controlling device functions ... | 02/28/2006 |
| 6784387 | Interlock device An interlock device for a switch housed within a casing of a double door structure includes a lever, pivotably supported at an intermediate portion, that pivots a first end portion of said lever downward, when the first door closes a portion of said opening, a link ... | 08/31/2004 |
| 6056352 | Sunroof assembly for an automotive vehicle and control system for operating a sunroof assembly A sunroof assembly (20) of an automotive vehicle employs dual sunroof panes, a pair of movable sunshades and a control system for operating the function thereof. In one aspect of the present invention, a sunroof assembly provides a substantially transpare... | 05/02/2000 |
| 6023887 | Door opening/closing detector and tool used for the same A door opening/closing detector for detecting an opening or closing of a double door of a housing, which has a low cost construction and can improve safety of equipment. A tool for the device is to be used for the maintenance of an apparatus covered by th... | 02/15/2000 |
| 5847343 | Refrigerator door push button switch system A refrigerator door switch system for sensing opening of a freezer compartment door and a fresh food compartment door comprises a push button switch installed at the freezer compartment door or the fresh food compartment door, being positioned at a first ... | 12/08/1998 |
| 5250771 | Manually controlled key device A device (301) having manually controlled keys (310), in particular for controlling actuator devices of a motor vehicle, particularly for electric window winders and/or electric door locks and/or electric rearview mirrors, comprising means (317, 305) oper... | 10/05/1993 |
| 5237136 | Hydrostatic pressure responsive bypass safety switch In accordance with illustrative embodiments of the present invention, a safety bypass switch for use with explosive well tools includes a hollow conductive body having a copper conductor rod extending axially therethrough, a spring-loaded contact element ... | 08/17/1993 |
| 5212359 | Multiple interface safety switch actuating mechanism A multiple interface safety switch actuating mechanism, operable by actuators on the doors of a cabinet, is provided. The switch actuating mechanism, through abutting contact with a biased shaft activated switch, enables an apparatus, contained within the... | 05/18/1993 |
| 4967048 | Safety switch for explosive well tools In accordance with illustrative embodiments of the present invention as disclosed herein, a safety switch for preventing accidental firing of an explosive well tool includes a tubular metal body connected between the cable head and the well tool, a conduc... | 10/30/1990 |
| 4891626 | Refrigerator door ajar detection system A door status detection system is provided for use in a refrigerator having a cabinet defining first and second food storage compartments and corresponding first and second doors hingely mounted to the cabinet for selectively closing the compartments. The... | 01/02/1990 |
| 4771269 | System for detecting the incomplete closure of the doors of a chamber having at least two superposed doors The invention relates to a system for detecting the incomplete closure of the doors of a chamber with at least two doors (14, 16), one an inner door and the other an outer door, arranged one behind the other in front of an orifice of the said chamber and ... | 09/13/1988 |
| 4694191 | Lamp power supply control system for an automotive vehicle A system for controlling the power supply to an automotive vehicle lamp in which two switch means are connected in series with each other, an interior room lamp in the vehicle compartment, and the power supply, i.e., a vehicle battery, one switch means be... | 09/15/1987 |
| 4300025 | Refrigerator door switch A switch operable by either one or both of two adjacent doors of a two-door refrigerator-freezer to control the lights therein. When both doors are closed, the lights in both compartments are deenergized and when either or both doors is open, the lights i... | 11/10/1981 |
| 4292629 | Alarm system An alarm system signals an attempt at intrusion through an opening framed to receive first and second panel members movable between opening and closing positions, as specifically shown in the form of a sliding glass door and screen door combination. An el... | 09/29/1981 |
| 4276827 | Operator safety device An operator safety device includes a plurality of covers for covering parts of a machine to protect an operator against contact with these parts when the machine is in operation. At least some of the covers are movable between a closed position where the ... | 07/07/1981 |
| 4271401 | Safety trailer hitch A safety trailer hitch including a mechanical connection to connect a trailer to a tow vehicle with the mechanical connection secured by a latch, a backup connection between the trailer and the tow vehicle that is releasably secured to the tow vehicle, a ... | 06/02/1981 |
| 4241337 | Appliance door position sensor arrangement A magnet and one or more magnetic field responsive switches, preferably Hall effect sensors, are respectively mounted in alignment on opposing edges of a two door refrigerator in one preferred embodiment. Movement out of alignment of either the magnet or ... | 12/23/1980 |
