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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7619878 | Meter cover for automated meter reading An improved radio frequency transparent utility meter cover for an automatic meter reading (AMR) system. The cover is manufactured from a strong and chemically inert polyolefin or polypropylene copolymer and includes a non-corroding lock to secure the cover to the m... | 11/17/2009 |
| 7343496 | Secure transaction microcontroller with secure boot loader A high security microcontroller (such as in a point of sale terminal) includes tamper control circuitry for detecting vulnerability conditions: a write to program memory before the sensitive financial information has been erased, a tamper detect condition, the enabl... | 03/11/2008 |
| 7324332 | Electrical enclosure An electrical enclosure is disclosed. The enclosure increases the number of electrical outlets available to a user. ... | 01/29/2008 |
| 7315442 | Secure electrical service entrance power access An external wire coupler is attachable to a housing of an electrical service apparatus mountable in a watthour meter socket by a slide-in or snap-in connection. An access control member is carried within the coupler for controlling access through the coupler to the ... | 01/01/2008 |
| 7176376 | Apparatus and method for securing a watt-hour meter socket box The present invention relates to an apparatus and method for securing a box cover to a watt-hour meter socket box. In certain embodiments, the apparatus has a clamping member that fits over a wall of a meter box, and a lock housing that locks to the clamping member ... | 02/13/2007 |
| 7068184 | Electric power meter including a temperature sensor and controller An electric power meter (102) includes a temperature sensor (114) and a controller (112). The controller (112) is operable, based on the temperature reported from the temperature sensor (114), to generate alarm(s) when the temperat... | 06/27/2006 |
| 7066536 | Child seat An adjustable child seat includes a backrest and a seat base and may be used with or without the backrest. The child seat includes adjustable arm rests. The height of the backrest and the depth of the seat base are also adjustable. The connection between the backres... | 06/27/2006 |
| 6975504 | Overall watthour metter enclosure safety replacement window A safety replacement window for an overall watthour meter enclosure includes a window covering a window aperture of a cover of the enclosure. Mounting clips integrally carried on the cover snap into and fix the window in the cover aperture. In another aspect, the co... | 12/13/2005 |
| 6956733 | Device and method for providing electric service An exemplary device and method for providing electric service are disclosed. The exemplary device may provide construction power during the construction of a facility and permanent power at the facility thereafter. The electric service device, when energized at a co... | 10/18/2005 |
| 6657314 | Manipulation-proof integrated circuit The integrated circuit has a circuit with information that is protected by a covering shielding level. A network with a large number of nodes is formed in the shielding level. Some of the nodes are linked to a comparator for a nominal-actual comparison. T... | 12/02/2003 |
| 6605780 | Connection box A connection box includes a wiring board. The box includes a control board connected to the wiring board. The control board including a control device and another device separated thereinto. Another device has generation heat greater than the control devi... | 08/12/2003 |
| 6510047 | Conductive heat sink A conductive heat sink is electrically interposed between a fuse and a switching apparatus within a watertight case of a network protector. The heat sink is advantageously configured to conduct current between the switching apparatus and the fuse. During ... | 01/21/2003 |
| 6316932 | A-base utility meter cover An A-base utility meter cover assembly is described. The meter cover assembly is fabricated of a thermoplastic injection molding material, such as polycarbonate, and includes a base cover covered by a terminal cover. In one embodiment, the base cover incl... | 11/13/2001 |
| 6301107 | Heat dissipation structure for electronic apparatus component A computer microprocessor has a housing portion with a recess formed in a top side wall thereof, and a die portion inset within the recess. Operating heat from the die is removed by heat dissipation apparatus which automatically adapts to variations in th... | 10/09/2001 |
| 6280805 | Utility meter cover apparatus A utility meter cover apparatus is provided for protecting an existing utility meter casing from vandalism. The cover apparatus includes a generally tubular base adapted to be received over an end wall of the casing and permanently fixed to the casing by ... | 08/28/2001 |
| 6266233 | Temporary power center for underground residential distribution system A single housing containing an electric power meter compartment and a circuit breaker-power receptacle compartment is adapted for use at a temporary construction site employing underground utility cables in a utility secondary cable enclosure. The meter c... | 07/24/2001 |
| 6229707 | Calamity-proof electrical equipment cabinet door systems Electrical equipment is housed in a cabinet and is protected against hurricane-force calamities by covering the electrical equipment with an inner door system inside the cabinet, and by closing an opening of the cabinet with an environmental door system, ... | 05/08/2001 |
| 5926014 | Magnetic shield for plastic molded electricity meter frames Magnetic shields for plastic molded electricity meter frames are positioned to substantially block external magnetic fields from adversely affecting operation of meter components. The shield can be utilized with either electromechanical or electronic ener... | 07/20/1999 |
| 5790670 | Apparatus and method for securing electronic circuitry An apparatus for protecting the confidentiality and security of sensitive data which has been encrypted as it is being processed in data communications systems. The apparatus uses a metallic plate which covers the encryption circuitry and a memory in whic... | 08/04/1998 |
| 5663862 | Enclosure for a circuit breaker An enclosure for a circuit breaker includes a housing sized to support at least one circuit breaker and to permit electrical connections to be made to the circuit breaker. A housing cover or lid is movable between an open position in which the circuit bre... | 09/02/1997 |
| 5418683 | Temporary power center for construction site A single unit enclosure containing an electric power meter compartment and a power receptacles compartment for use on a temporary construction site employing either underground or overhead utility cables. The meter compartment is located under the power r... | 05/23/1995 |
| 5404266 | Temporary power center for construction site A single unit enclosure containing an electric power meter compartment and a power receptacles compartment is adapted for use on a temporary construction site employing underground utility cables. The meter compartment is located under the power receptacl... | 04/04/1995 |
| 5369548 | Tamper protector enclosure for distribution box and associated wiring A tubular body is mounted against a wall of a dwelling and surrounding a distribution box and a portion of incoming cables which terminate within the distribution box. A cover closes the tubular body and switches detect when there is an attempt to remove ... | 11/29/1994 |
| 5134541 | Distribution station for water and/or gas and/or fuel and/or electricity and/or any other fluid The invention relates to a distribution station for water and/or gas and/or fuel and/or electricity and/or any other fluid, particularly for parking areas. This station is notable in that it comprises an anti-vandalism enclosure (23) sheltering at least a... | 07/28/1992 |
| 5088004 | Electricity metering device with cover An electricity metering interbase device (30) for connecting a primary electrical metering device (40) and a power source (42) includes a generally cylindrical base (32) from which a generally rectangular terminal housing (34) extends, and a cover (36). T... | 02/11/1992 |
| 5045969 | Keyed disconnect of electric service at an electric meter location A mechanically-latching disconnect switch between an electric meter and an electric meter socket permits key controlled disconnections and connections of electric service at the customer location. The disconnect switch is contained in a housing, which con... | 09/03/1991 |
| 4747016 | Tamper-resistant removable cover for a utility box assembly A tamper-resistant removable cover for a utility meter box assembly is disclosed, having a plate member with depending flange portions which engage the securing flange or ring normally used to secure a translucent cover over the viewing window or socket o... | 05/24/1988 |
| 4688146 | Molded plastic enclosure for electric service apparatus A three piece molded plastic enclosure for electric service entry apparatus such as meters, fuses, circuit breakers and switches. The enclosure provides protection against adverse environmental conditions while providing visual access to the components co... | 08/18/1987 |
| 4520423 | Tamperproof, moisture proof readout enclosure A tamperproof, moisture proof data readout enclosure is comprised of a base plate adapted to be secured to a support structure and has channels formed in its rear surface. A cover adapted to be secured to the base plate has a sealing lip in its interior w... | 05/28/1985 |
| 4450504 | Meter tampering indicator A mechanical apparatus for indicating watthour meter tampering of a typical single phase induction watthour meter which includes a base member, a plug-in mechanism mounting member and a cover glass fixed to the mechanism mounting member. The device includ... | 05/22/1984 |
| 4175813 | Tamper-proof adaptor for an electric meter A tamper-proof adaptor is secured to an electric meter or is formed as a part thereof to form a unitary device which, upon first being plugged into a conventional wall pan and thereafter being removed therefrom, automatically restrains reinsertion of the ... | 11/27/1979 |
| 4068288 | Tamper proof watthour meter enclosure having a permanent locking arrangement A watthour meter cover is permanently locked to the meter base assembly by an irremovable fastener applied to the base at a concealed location.... | 01/10/1978 |
