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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 |
| 4370020 | Transportable fibre optic apparatus for use in a security system Apparatus which comprises at least one length of flexible optic fibre, storage means for receiving the length of optic fibre, means for transmitting an optical signal along the length of optic fibre, and means for detecting an optical signal in the length... | 01/25/1983 |
| 4359726 | Composite sheets constituting electromechanical transducers and transducers equipped with such sheets The invention relates to a flexible composite sheet designed to constitute an undersheet behaving as an electromechanical transducer in order to detect the apnea of subjects lying on it. This sheet comprises, in addition to a foil sensitive to pressure in... | 11/16/1982 |
| 4359716 | Method and apparatus for sensing air pressure in pneumatic suspension units for vehicles A method and apparatus for sensing air pressure in pneumatic suspension units for a vehicle, such as a motorcycle, comprising: air pressure sensors capable of sensing air pressures in pneumatic suspension units to generate an output signal when the air pr... | 11/16/1982 |
| 4347505 | Device for controlling a circuit A pressure sensing mat utilizes a thin sheet of semiconductor material that has an electrical conductivity generally invariable as to pressure applied to the mat material. The sheet of semiconductor material is sandwiched between sheets of copper, steel o... | 08/31/1982 |
| 4336533 | Fluid activated alarm device A liquid activatable alarm device for providing continuous monitoring of the presence or absence of a patient in a hospital bed. When the patient attempts to leave the bed, a pressure sensitive switch responds sounding an alarm warning the hospital staff.... | 06/22/1982 |
| 4316181 | Theft prevention system for business machines A theft prevention system for use with business machines having a housing, including a base and a removable cover includes an alarm, which is connected to a microswitch having a spring biased plunger that projects downwardly, through an aperture formed in... | 02/16/1982 |
| 4297684 | Fiber optic intruder alarm system An intruder alarm for protecting the perimeter of an area utilizes a multimode optic fiber as the deformable sensing element, wherein a length of multimode optic fiber is buried in the ground of an area or perimeter to be protected. As coherent light from... | 10/27/1981 |
| 4295133 | Apparatus to indicate when a patient has evacuated a bed or demonstrates a restless condition A switch placed in a bed under a patient comprises two spaced parallel strips of insulating material carrying contact means therebetween. When the strips are straight the switch is closed, and when the strips are bent into an arc the switch is open. The c... | 10/13/1981 |
| 4287511 | Intrusion alarm system utilizing structural moment detector as intrusion sensor and as receiver for mechanical intrusion and command signals Structural moment detectors are carried by structural components, such as floors, walls, etc., within a desired secure area of a building structure. The structural moment detector detects deflections of the various structural members in response to change... | 09/01/1981 |
| 4283722 | Overload indication device for a lever hoist An overload indication device for a lever hoist comprises an operating lever consisting of a main lever and a handle having one end pivoted to the main lever, a spring for normally holding the handle in an aligned position with the main lever, a magnifica... | 08/11/1981 |
| 4274088 | Portable alarm system A portable alarm particularly useful for protecting works of art in art galleries and museums is a self-contained alarm system in a display base member. The alarm is energized in response to the operation of either of two switches, in turn activated by sp... | 06/16/1981 |
| 4267553 | Method and apparatus for securing attache cases An attache case is secured against unauthorized handling by providing an alarm and at least one sensor capable of sensing at least two conditions relative to the forces on said attache case. One of the conditions constitutes a predetermined safety state a... | 05/12/1981 |
| 4264904 | Fire and absence detection and alarm system for bed occupants A bed mat having a sensor for detecting abnormally high temperatures and for detecting when the occupant of the bed is not in it is connected to a control console which has circuits for producing a first electrical signal having a first characteristic in ... | 04/28/1981 |
| 4263586 | Pressure operated electric switch and alarm system using such switch A pressure operated electrical switch and an alarm system for use in hospitals and nursing homes. The switch is constructed such that a force is applied to a pressure plate therein, and once the load is reduced below a predetermined value the pressure pla... | 04/21/1981 |
| 4245219 | Treadle alarm system An alarm system embodied in a treadle pad is biased open and can be closed by the application of pressure on the pad or by the removal of weight from it in another mode. Closing of the alarm switch relays an electrical signal through a control unit to act... | 01/13/1981 |
| 4237455 | Safety device for lifting magnets A safety device for lifting magnet has sensor means responsive to flux produced by the device in the magnetic circuit including the body to be lifted, a transducer responsive to the lifting tension produced by the device together with a signal translation... | 12/02/1980 |
| 4228426 | Hospital bed monitor A monitoring system has a connecting unit that is adapted for connection between a nurse call button and a communication panel in a hospital room and is attached to a movable pressure activated switching means for placement in a bed or chair to operate an... | 10/14/1980 |
| 4218672 | Installation in a vehicle for indicating the load distribution and for warning against overloads An installation in a vehicle for indicating the load distribution and for warning against overloads with load-value transmitters coordinated to the vehicle axles; in which a first load-value transmitter coordinated with a vehicle axle for respective later... | 08/19/1980 |
| 4216469 | Alarm system for detecting changes in load on terrain A system for detecting changes in load on terrain and actuating an alarm in response thereto including a fluid system, a pressure-sensitive device in the fluid system having a first pressure signal output responsive to a load on a terrain, a second pressu... | 08/05/1980 |
| 4210902 | Device for telemetering loads on power transmission line conductors A device for telemetering loads on power transmission line conductors comprising load sensors installed along a power transmission line at the points of suspension of the line conductors to supporting structures, and ice load sensors mounted directly on t... | 07/01/1980 |
| 4206451 | Intrusion detection system A system for detecting intrusions into a protected area by personnel, vehicles, or other objects, including a sensor capable of detecting magnetic and/or pressure disturbances and a signal processing means for generating an alarm signal when an unwanted i... | 06/03/1980 |
| 4197479 | Intrusion detecting sensor assembly using a piezoelectric bender An intrusion detecting sensor assembly comprising a bracket having one leg to be clamped to the surface of a structural member, for instance of a building, and having a second leg spaced from the first leg and also abutting said surface, the second leg be... | 04/08/1980 |
| 4195287 | Fire and absence detection and alarm system for bed occupants A bed mat having a sensor for detecting abnormally high temperatures and for detecting when the occupant of the bed is not in it is connected to a control console which has circuits for producing a first electrical signal having a first characteristic in ... | 03/25/1980 |
| 4192394 | Alarm system for platform scale To prevent inaccurate weighing on a platform scale in the event that a driver of a motor vehicle has purposefully or inadvertently positioned his vehicle with one or more of the vehicle wheels located off of the weighing platform, the platform scale is pr... | 03/11/1980 |
| 4189708 | Method and apparatus for controlling access to a facility The system denies unauthorized access to a locked facility by a person having a weight characteristic differing from that of the weight characteristic of the person locking a facility such as an automotive ignition system. The system comprises a method an... | 02/19/1980 |
| 4188622 | Garbage can alarm A strap assembly constructed of shape retentive but deformable and resilient dielectric material. The strap assembly includes longitudinally spaced transversely extending corrugations and is adapted to encircle an upright trash can constructed of conducti... | 02/12/1980 |
| 4179692 | Apparatus to indicate when a patient has evacuated a bed or demonstrates a restless condition A switch placed in a bed under a patient, includes contacts which can make or break a connection to a signal processing circuit. The signal processing circuit charges a capacitor at a selected rate, when the switch is in a first state and discharges the c... | 12/18/1979 |
| 4175263 | Technique for monitoring whether an individual is moving from a particular area A first pressure sensor is positioned to sense the weight of part of the patient's body in the normal position and a second pressure sensor is positioned for sensing the weight of part of a patient's body when a patient begins to leave the bed. The device... | 11/20/1979 |
| 4172216 | Pressure sensitive switch A resilient insulative layer of a plastic foam material is sandwiched between a dimpled carbon powder loaded plastic sheet and a resilient carbon powder loaded plastic foam pad. The dimples extend part way through holes provided therefor in the insulative... | 10/23/1979 |
| 4172254 | Merchandise case with door lock alarm A jewelry show case or similar merchandise container is equipped with a door lock and alarm system which is effective to either automatically lock the access doors of the show case in fully closed positions, or signal an open condition of the doors when a... | 10/23/1979 |
| 4155083 | Composite wire and fence made therefrom useful for security purposes At least two conductive wire elements which are separated from each other by a thin insulating layer such that as soon as a pressure is exerted on the composite wire at least one of the electrical characteristics, contact resistance and/or capacitance bet... | 05/15/1979 |
| 4149224 | Instant savior A personal security device incorporated into a conventional flashlight for informing a person, by remote control means, who is outside the door of the house, and indicating by a picture, whether it is a man, woman or child, the picture appearing on a view... | 04/10/1979 |
| 4139891 | Elevator load control arrangement for a computer-controlled oil drilling rig A computer-controlled oil drilling derrick is characterized by apparatus for determining the load supported by a traveling block during motion thereof from a first to second position within an oil drilling rig. The apparatus is operative to output a signa... | 02/13/1979 |
| 4127031 | Boat theft detector Attempted boat theft is detected by measuring the increased displacement of the boat caused by the added weight of the thief. The device measures the slight sinking of the boat into the water under the added weight and automatically resets so as to be in ... | 11/28/1978 |
| 4126856 | Scales annunciator An annunciator to indicate the presence of a truck on a weighing platform to a weigh station operator is disclosed. The apparatus includes a presence sensor operable in response to the weight of the truck on the scales. The sensor provides a signal to a d... | 11/21/1978 |
| 4122840 | Apparatus for analyzing the balancing function of the human body A person to be tested steps on a pair of foot steps, and a plurality of body load detectors sense the body load of the person, as applied to the foot steps. An arithmetic circuit receives the body load signals and provides difference signals which are dis... | 10/31/1978 |
| 4117461 | Diet control apparatus Diet control apparatus comprises a food storage compartment having a door thereon for access to the compartment and broadcasting apparatus operatively connected to the compartment for broadcasting a message for encouraging dieting when food is sought in t... | 09/26/1978 |
| 4112750 | Hook device The present invention relates to a hook device with which safe handling operation can be assured. This device is constructed such that, as any load heavier than the predetermined weight is applied thereto, an eccentric shaft carrying a pulley for suspensi... | 09/12/1978 |
| 4105899 | Safety mat switch for machine tools and their like A safety switch for machine tools and their like is formed by a mat incorporating, normally open, switching elements responsive to the weight of a person standing on the mat. The presence of a specified load, commonly of the order of 50 pounds, on the mat... | 08/08/1978 |
| 4092053 | Bearing arrangement for a tilting trunnion of a metallurgical vessel A bearing arrangement for a tilting trunnion of a metallurgical vessel, in particular a converter in a steel making plant, has an inner race, an outer race, bearing bodies arranged therebetween, and at least one sensor device with a sensor pin. The sensor... | 05/30/1978 |
