"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7791452 | Wireless access control and event controller system A wireless access control system and method is described which permits wireless communication between a remote access controller and a central access controller on an “on demand” basis. The remote access controller can determine the state of the locking mechanis... | 09/07/2010 |
| 7449999 | Security system interface module An alarm interface module is described that permits an alarm monitoring system to be operational through an existing wide area network (WAN) modem that is linked to an existing local area network (LAN) system wherein the alarm interface module has a first LAN port c... | 11/11/2008 |
| 6837255 | Illuminated umbrella assembly having self-contained and replacable lighting An illuminated umbrella assembly having self-contained and protected lights is described. The illuminated umbrella assembly comprises (i) a lower vertical support pole having a first end for engagement to a generally horizontal surface and a second end extending upw... | 01/04/2005 |
| 6812836 | Alarm system armed and disarmed by a door contact A security alarm system that may be selectively armed or disarmed when monitoring a protective premises is described which utilizes the position of an entry door to determine whether the security system should be armed or disarmed. The security system comprises (i) ... | 11/02/2004 |
| 6606777 | Method of installing an alarm sensor to a corner wall A security alarm sensor for mounting between two corner walls is described comprising a housing unit having a housing base for attachment to the corner walls and a selectively detachable housing cover; a circuit board sized for engagement within the housi... | 08/19/2003 |
| 6606776 | Apparatus for installing an alarm sensor to a corner wall A security alarm sensor for mounting between two corner walls is described comprising a housing unit having a housing base for attachment to the corner walls and a selectively detachable housing cover; a circuit board sized for engagement within the housi... | 08/19/2003 |
| 6591474 | Apparatus and method of installing an alarm sensor to a corner wall A security alarm sensor for mounting between two corner walls is described comprising a housing unit having a housing base for attachment to the corner walls and a selectively detachable housing cover; a circuit board sized for engagement within the housi... | 07/15/2003 |
| 6550408 | Method and apparatus for loading and unloading cargo from a twin-hull sea-going ship A method of loading floatable containers onto, and discharging floatable containers from, a seaworthy vessel to facilitate the transport of cargo. The vessel includes twin hulls which lie beneath the water's surface, a device for controlling the draft and... | 04/22/2003 |
| 6494425 | Apparatus and method of installing an alarm sensor to a corner wall A security alarm sensor for mounting between two corner walls is described comprising a housing unit having a housing base for attachment to the corner walls and a selectively detachable housing cover; a circuit board sized for engagement within the housi... | 12/17/2002 |
| 6486793 | Wireless magnetic lock control system A two-point locking system for providing controlled access through a doorway is described comprising a controlled deadlatch assembly and a magnetic lock assembly. The controlled deadlatch assembly comprises (i) a deadlatch for selectively latching and unl... | 11/26/2002 |
| 6398063 | Sanitary beverage serving apparatus A beverage serving apparatus for easily and sanitarily providing accompaniments to a beverage in a container is described. The beverage serving apparatus comprises: (i) a handling portion designed to avoid contact with the beverage; (ii) a container attac... | 06/04/2002 |
| 6378155 | Hand-operable cleaning tool for automotive engine intake components A handheld cleaning tool for automotive engine intake components is described which is easily manipulated even by non-skilled automobile technicians. The cleaning tool comprises: (i) a handle for griping the cleaning tool; (ii) a flexible, elongated rod s... | 04/30/2002 |
| 6225903 | Alarm system armed and disarmed by a deadbolt on a door A security alarm system which may be selectively armed or disarmed when monitoring a protected premises is described which utilizes the position of a deadbolt to determine whether the security system should be armed or disarmed. The security system compri... | 05/01/2001 |
| 6198389 | Integrated individual sensor control in a security system A intruder detection system is described comprising a programmable alarm control panel capable of issuing an alarm signal representative of an intruder in a protected zone wherein the control panel is electrically coupled to a plurality of sensors by both... | 03/06/2001 |
| 6184468 | Electrical box with semi-attached adaptor An electrical housing assembly is shown which is adapted to be affixed behind a finished surface such as a wall or ceiling and is designed to receive an electrical device which will be exposed outwardly from the finished surface wherein the housing assemb... | 02/06/2001 |
| 6177925 | Customized overlay template for alarm control panel keypad An alarm control panel and keypad for programming a security system having a panel keypad face which includes a plurality of push-button activation keys is described comprising a customized overlay template which is sized to overlay the panel keypad face ... | 01/23/2001 |
| 6166629 | Combination delay box with driver reaction time tester and tachometer and playback A multi-function, composite apparatus for mounting on a drag racing vehicle is described which includes: (i) a terminal panel having leads coupled to various vehicle control components of the vehicle to affect operation of the vehicle; (ii) a display mean... | 12/26/2000 |
| 6059497 | Air suspension apparatus for protecting a vehicle suspension and chassis during transport or storage An air suspension apparatus for protecting a vehicle suspension and/or chassis during transport or storage is described comprising an inflatable bladder including an air valve for selectably inflating and deflating the bladder; a rigid top plate coupled t... | 05/09/2000 |
| 5764143 | Combination temperature unit/intruder sensor utilizing common components A combination temperature unit/intruder sensor is described wherein the thermistor used for adjusting the sensitivity of a passive infrared detector in a microprocessor of the unit is also used for the secondary purpose of indicating whether the ambient t... | 06/09/1998 |
| 5724580 | System and method of generating prognosis and therapy reports for coronary health management A system and method of automatically formulating an alpha-numeric comprehensive management and prognosis report at a centralized data management center for a patient at a remote location is defined comprising: means for converting information regarding th... | 03/03/1998 |
| 5685568 | Protective holder and display apparatus for business cards An apparatus for holding a plurality of cards having a first surface providing visual indicia thereon and permitting selective removal of same is provided wherein said apparatus comprises: (i) binding means common along the first edge of said plurality of... | 11/11/1997 |
| 5684458 | Microwave sensor with adjustable sampling frequency based on environmental conditions An apparatus and method for varying the sampling frequency of a Doppler effect device, based on environmental conditions, is described comprising: (i) a transmitter for transmitting energy into a protected area; (ii) a receiver for receiving energy reflec... | 11/04/1997 |
| 5642712 | Adjustable time operated throttle based on actual race conditions A two-stage time operated throttle and method is described for use on a drag racing vehicle comprising: (i) an electro-mechanical controller for selectively opening and closing the throttle of the vehicle; (ii) an on-board processor capable of issuing an ... | 07/01/1997 |
| 5533342 | Semi-automated cryostat The present invention provides a system and method for freezing and cutting a tissue specimen for medical diagnostic purposes which comprises a specimen block holder for holding the tissue specimen; an embedding medium; a freezing plane for providing dire... | 07/09/1996 |
| 4948955 | Barcode location determination A method of determining the location of a barcode block comprising the steps of reducing an input image, rejecting background clutter, detecting barcode regions, extracting barcode moment-based features, and determining four corner points of said barcode ... | 08/14/1990 |