Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7841877 | Socket unit with a rotating cover with three slots and a central protruding unit with a spring A socket unit includes a main body, a rotational cover and a spring. The main body has a circular indented region, which is provided with three slots. In assembly, a protruding unit is connected with the circular indented region. The rotational cover can fully cover... | 11/30/2010 |
| 7806707 | Socket protection cover structure A socket protection cover structure includes a socket body having a socket panel disposed thereon, the socket panel is disposed with two holes corresponding to each other for a sliding slot and a plurality of positioning holes to be disposed therebetween; a sliding ... | 10/05/2010 |
| 7637756 | Socket safety apparatus A socket safety apparatus includes an upper cover, a lower cover, a cover body, and a flexible element. The upper cover has two first plug holes. The lower cover is located below the upper cover and has two second plug holes that correspond to the first plug holes. ... | 12/29/2009 |
| 7566232 | Bidirectional DC/AC inverter A bidirectional DC/AC inverter includes a power conversion means in connection with an electric storage means, a control means operable to control an operation of the power conversion means, a plug for electrically connecting a power source to the power conversion m... | 07/28/2009 |
| 7510412 | Tamper resistant assembly for an electrical receptacle A tamper resistant assembly provides tamper resistance to an electrical receptacle. A groove has a locking portion connected to a first portion in a base member of the tamper resistant assembly. A first shutter member having first and second resilient arms is slidab... | 03/31/2009 |
| 7355117 | Tamper-resistant electrical wiring device system A tamper-resistant electrical receptacle disclosed herein includes a cover assembly having at least one pair of apertures, a cover, and at least one slider that rests in the cover behind one pair of the apertures. The slider is held in a first position where it cove... | 04/08/2008 |
| 7347703 | Safety device to make electrical plugs difficult to remove from electrical outlets A safety device created to make the electrical plugs difficult to remove from the electrical outlets, wherein is made with a non conductor material and it has a flat and thin main body, which has notches that allow the connectors of the plug to go across the device ... | 03/25/2008 |
| 7323274 | Shutdown separators with improved properties A microporous polyolefin battery separator membrane is extremely high in porosity, high in puncture strength, very low in shrinkage and with shutdown temperature of 130-140 degrees C. and melt integrity greater than 165 degrees C. It is made of UHMWPE having a weigh... | 01/29/2008 |
| 7275942 | Rotary-type safety socket A rotary-type safety socket of the present invention comprises a socket body, at least a holey base, and at least a top cover. The socket body comprises an insulator and at least an elastic device. The insulator has a recessed slideway on the top surface. The holey ... | 10/02/2007 |
| 7273383 | RJ45 debris cover A cover for an RJ45 port. The cover would substantially seal the port against contamination but, through the use of a pre-formed tab, would allow insertion of a plug so the port could be used for its intended purpose. ... | 09/25/2007 |
| 7223108 | Dustproof receptacle connector A dustproof receptacle connector includes a dielectric housing, a plurality of female contacts disposed in the housing, and a slider unit installed in the housing. The housing has a receiving cavity with a front opening defined in a front surface thereof, and a pair... | 05/29/2007 |
| 7214101 | Electrical socket with dependent shutter A socket for an electric plug comprising a housing, a first and second pin receptacles, and a shutter mechanism comprising a first and second shield elements, the first and second shield elements, each comprising a detent, and are ... | 05/08/2007 |
| 7211729 | Jack structure Disclosed is an improved jack structure, includes a main body, a cover, two protective covers, a lock piece and a conductive piece. When an object is inserted into a single one of insertion holes each corresponding to one of the protective covers on the main body, a... | 05/01/2007 |
| 7077686 | Fastening apparatus for a pluggable optical transceiver module A fastening apparatus of a pluggable optical transceiver module, which is coupled to an optical connector and electrically connected to a cage assembly, is disclosed. The fastening apparatus includes a module case extending along a longitudinal direction and at leas... | 07/18/2006 |
| 7029332 | Flat plug structure The present invention provides a flat plug structure, which comprises: a flat housing, having a space; a first conductive plate, positioned perpendicularly inside said space and protruded from the bottom of said housing; a second conductive plate, also positioned pe... | 04/18/2006 |
| 7026550 | Electrical outlet safety cover A safety cap for an electrical outlet having an adhesive section can be attached to a standard outlet cover. Alternately, an outlet cover including two slidable plates including a spring or spring groove can be used to prevent access to the outlet by a child. An elo... | 04/11/2006 |
| 7019612 | Fuse seat for filter A fuse seat for filter is disclosed. The fuse seat has an insertion seat for accepting a baseat body and a cavity at the bottom section of the insertion seat characterized in that a positive and a negative conductive plates are respectively mounted to the two latera... | 03/28/2006 |
| 7005580 | Electrical outlet cover A dual electrical outlet cover, which covers a dual electrical outlet having a face for safeguarding against risk of children inserting objects into power receptacles. The outlet cover has a rear surface positionable on top of the face of the dual electrical outlet.... | 02/28/2006 |
| 7002108 | Electric frying apparatus An electric cooking apparatus includes an outer pot body, an inner pot body provided with an electric heating member having two conducting terminals, and a socket including a housing formed with two insertion holes, a movable member movably mounted in the housing, t... | 02/21/2006 |
| 6994572 | Apparatus, system, and method for component deactivated interlock The invention provides an apparatus, system, and method for enabling the installation of an installable device configured with a required component in a receiving device. A component deactivated interlock obstructs the installation of the installable device when not... | 02/07/2006 |
| 6964576 | Enabling components to be removed without hot swap circuitry A processor-based system may function without expensive hot swap circuitry by preventing component swapping with power applied to the system. The access to a swappable component may be arranged so that the component can not be removed with a power carrying cable plu... | 11/15/2005 |
| 6935874 | Cooking assembly with a safety device A cooking assembly includes a tray unit mounted detachably on a base member, and a plug. The tray unit includes a cooking tray, and a socket casing fixed to the cooking tray. The plug is insertable into the socket casing. A spring-biased latch is disposed movably in... | 08/30/2005 |
| 6932631 | Socket protective cover capable of preventing single-opening insertion A socket protective cover capable of preventing single-opening insertions includes a housing, a sliding base and covers. The housing has insertion openings. The sliding base is capable of transverse displacement in the housing, and has restoring elasticity. The cove... | 08/23/2005 |
| 6835076 | Electrical connector assembly An electrical connector assembly is provided that includes a first connector having a slidable cover and alignment post receiving sockets, a second connector constructed with alignment posts, and a flexible mounting bracket. The cover protects terminals mounted in t... | 12/28/2004 |
| 6814594 | Composite elastic member of socket safety protective cover The invention discloses a composite elastic member of socket protective safety cover, in that the composite elastic member is disposed in a socket safety protective cover, is capable of providing the protective cover with vertical restoring elasticity and horizontal... | 11/09/2004 |
| 6776630 | Safety socket protective cover A safety socket protective cover includes an outer housing, an inner housing, a sliding cover, an elastic support member and an elastic member. The sliding cover, the elastic support member and the elastic member are disposed at a gap between the outer housing and t... | 08/17/2004 |
| 6767229 | Protective cover and electric outlet arrangement A protective cover and electric outlet arrangement includes an outlet body, the outlet body having a socket unit with insertion holes for receiving an electric plug, a protective cover coupled to the outlet body and moved between an open position to open the inserti... | 07/27/2004 |
| 6602081 | Shielding cap and electric socket arrangement A shielding cap and electric socket -arrangement is constructed to include an electric socket integral with a part of an electric outlet, the electric socket having two parallel sliding rails disposed at two sides of plugholes thereof, a shielding cap mov... | 08/05/2003 |
| 6596940 | Shielding cap mounting arrangement for electric outlet A shielding cap mounting arrangement includes an electric outlet, the electric outlet having a shell, a top recess in the shell, a set of plugholes in the top recess for receiving an electric plug, two rails at two sides of the top recess, two parallel sl... | 07/22/2003 |
| 6579126 | Wear-preventive memory card connector Disclosed is an improved memory card connector having contact heads to make contact with the contacts of a memory card when inserted in the card receptacle of the memory card connector. It comprises contact limiting means responsive to insertion of the me... | 06/17/2003 |
| 6568942 | Electric appliance and a detachable cord thereof An electric appliance has a body member and a detachable electric cord. The body member includes a connecting portion having at least one pin member extended therefrom. The electric cord includes at least a first plug member and a second plug member which... | 05/27/2003 |
| 6547444 | Techniques for selectively exposing and protecting an optical interface using film The invention is directed to techniques for controlling access to an optical interface using film having windowed sections and non-windowed sections. The windowed and non-windowed sections are selectively positioned over an optical interface location that... | 04/15/2003 |
| 6537089 | Gated electrical safety outlet An electrical outlet, used with a plug having live and neutral prongs of equal length, comprises support member having live and neutral apertures, and live and neutral receptacles for receiving the prongs. A blocking member lies between the support member... | 03/25/2003 |
| 6537088 | Plug receptacle protection cover containing intermediate flexible element A plug receptacle protection cover containing an intermediate flexible element, having an intermediate space to accommodate a protection cover at the bottom corresponding to two outlets of the plug receptacle; slops provided on both sides the protection c... | 03/25/2003 |
| 6517371 | Anti-contaminant component socket A method and apparatus including a component socket, and an actuating device, operably coupled with the component socket, where the actuating device has at least one anti-contaminant mode. In one embodiment, the component socket can be a zero insertion fo... | 02/11/2003 |
| 6461195 | Safety electric plug with overcurrent protective means A safety electric plug is constructed to include a negative pole metal blade connected to the negative pole of power supply, a positive pole metal blade, a bimetal contact member connected to the positive pole of power supply and disposed in contact with ... | 10/08/2002 |
| 6422880 | Safety socket head An electrical socket comprises an insertion hole portion, an upper slide block, a lower slide block, and an upper cover. The insertion hole portion is provided in the top with an open slot dimensioned to accommodate the upper slide block and the lower sli... | 07/23/2002 |
| 6406308 | Safety device and dust protection for a power strip The present invention relates to a safety device and dust protection for a power strip which mainly includes a housing on which each outlet has two opposing parallel side frames each of which includes a slide rail. A hot, a neutral and a ground slots are ... | 06/18/2002 |
| 6358101 | Connector having a terminal retainer The present invention relates to a connector wherein a retainer slides from a side direction of a connector housing in which it is to be installed. An object of the present invention is to provide a connector capable of preventing a connector connected in... | 03/19/2002 |
| 6217353 | Structure of a safety receptacle A safety receptacle includes a casing having a top formed with two slots, a pair of rectangular slides arranged within the casing in opposite directions, each of the slides having three sides formed with a plurality of semi-circular projections and anothe... | 04/17/2001 |
