1
Harald Philipp: Capacitive closure obstruction sensor. David Kiewit, April 23, 2002: US06377009 (316 worldwide citation)

A system for preventing the pinching or trapping of a human body part or foreign object by a closing panel, which may be a window, door, sunroof, hood or trunk lid, or other closure part of a transport vehicle operates by capacitively sensing the human body part, either before contact with a sensing ...


2
Carl Heitschel, Colin Willmott, Wayne Schindler: Coding system for multiple transmitters and a single receiver for a garage door opener. Chamberlain Manufacturing Corporation, Hill Van Santen Steadman & Simpson, June 7, 1988: US04750118 (157 worldwide citation)

The present invention comprises a system for remote control of garage doors and other devices wherein an extremely large number of codes are available for remote transmitters for operating the garage operator and wherein each transmitter has its own unique and permanent nonuser changeable code. The ...


3
Wayne R Schindler: Microprocessor controlled garage door operator. Chamberlain Manufacturing Corporation, Hill Van Santen Steadman & Simpson, January 20, 1987: US04638433 (110 worldwide citation)

A microprocessor controlled garage door operator which eliminates lower and upper limit switches on the garage door in that the upper and lower limits are set in a program mode of the microprocessor with up and down control switches by the operator. The settings of the door are stored in the memory ...


4
Jeffrey A Giacomel: Shape memory alloy actuator. W Thomas Timmons & Kelly Timmons, October 6, 1998: US05816306 (109 worldwide citation)

A shape memory alloy actuator is disclosed. In one arrangement, a louvered window covering, such as a vertical or horizontal venetian blind, is provided with a thermal actuator to automatically rotate slats forming the louvered window covering between open and closed positions. The actuator includes ...


5
James M McKeon: Fail-safe fire door release mechanism having automatic reset. McKeon Rolling Steel Door Co, Cohen Pontani Lieberman & Pavane, September 21, 1993: US05245879 (107 worldwide citation)

A resettable fail-safe fire door release mechanism which allows normal powered operation of a fire door is disclosed. A solenoid having a first open state in the absence of an applied electric current and a second closed state in the presence of an applied electric current is incorporated into the m ...


6
Richard E Jones, Richard W Aubert: Door operation control apparatus. Byrne & Davidson Doors, Pennie & Edmonds, May 16, 1989: US04831509 (94 worldwide citation)

A door controller for roller type doors is disclosed incorporating a microprocessor control system. The microprocessor measures and stores the door speed over segments of the door travel to generate a door speed travel characteristic. This characteristic enables the door controller to accurately ass ...


7
Dean C Duhame: Home security and garage door operator system. Stanley Vemco, Krass & Young, August 7, 1984: US04464651 (93 worldwide citation)

A home security and garage door operator system includes a gas sensor for detecting the level of toxic gas in the garage. When the gas level exceeds a predetermined threshold the garage door is automatically opened. Lock out circuitry is provided for preventing the door from being accidentally close ...


8
Sheng Nan Lu: Hinge axle device for a LCD monitor. Holland & Hart, February 1, 2000: US06018847 (90 worldwide citation)

A hinge axle device for a LCD monitor has two springs each respectively disposed on a sleeve covering a pivot and between a carrier and a seat to provide a suitable resistance force for turning the LCD monitor either upwards or downwards. It is, therefore, convenient for users to use the hinge axle ...


9
Pradeep P Popat: Closed-loop, daylight-sensing, automatic window-covering system insensitive to radiant spectrum produced by gaseous-discharge lamps. July 4, 2000: US06084231 (89 worldwide citation)

A system for automatic regulation of daylight admitted by a window in the presence of artificial illumination produced by a high-efficiency (e.g., fluorescent-type) electric lamp. A preferred embodiment, adaptive window covering system 10, consists of an illuminance sensor 11, a conventional control ...


10
Dean C Duhame: Home security and garage door operator system. Stanley Vemco, Krass Young & Schivley, November 23, 1982: US04360801 (84 worldwide citation)

A home security and garage door operator system includes a gas sensor for detecting the level of toxic gas in the garage. When the gas level exceeds a predetermined threshold the garage door is automatically opened. Lock out circuitry is provided for preventing the door from being accidentally close ...



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