Abstract: A video camera for use in a security system may include a processor including control circuitry and a removable memory card coupled to the control circuitry. The removable memory card may include a wireless transceiver configured to receive wireless data transmissions from at least one wireless sensor device. The removable memory card may further include security system logic configured to allow the video camera itself to function as a security system, including identifying and then transmitting one or more security system messages to a remote location via the wireless transceiver of the removable memory card.

Abstract: A video camera for use in a security system may include a processor including control circuitry and a removable memory card coupled to the control circuitry. The removable memory card may include a wireless transceiver configured to receive wireless data transmissions from at least one wireless sensor device. The removable memory card may further include security system logic configured to allow the video camera itself to function as a security system, including identifying and then transmitting one or more security system messages to a remote location via the wireless transceiver of the removable memory card.

Abstract: A security system is provided. The security system includes a security processor having a plurality of inputs that receive signals from security sensors in a secured area and at least one data output path that couples the received signals from the security sensors to a central monitoring station and a network interface device coupled to the security processor that couples signals between the security processor and central monitoring station through a network connection, said network interface selected from the group consisting of a television set-top box, digital video recorder, DSL modem, fiber-optic modem, VSAT satellite transceiver and personal computer, and said network connection selected from the group consisting of a public or proprietary network connection, an Internet connection, a PSTN connection, and a cable TV distribution system connection.

Abstract: A security system is provided. The security system includes a security processor having a plurality of inputs that receive signals from security sensors in a secured area and at least one data output path that couples the received signals from the security sensors to a central monitoring station and a network interface device coupled to the security processor that couples signals between the security processor and central monitoring station through a network connection, said network interface selected from the group consisting of a television set-top box, digital video recorder, DSL modem, fiber-optic modem, VSAT satellite transceiver and personal computer, and said network connection selected from the group consisting of a public or proprietary network connection, an Internet connection, a PSTN connection, and a cable TV distribution system connection.

Abstract: A security system control module with a portable housing including a wireless receiver, control circuitry, nonvolatile memory, and a data connector. The receiver receives data transmissions from at least one wireless security device that monitors a condition of a premises in which the wireless security device is installed. The data connector exchanges data between the control circuitry and an external host device, and it also accepts from the external host device primary operating power for operating the wireless receiver, the control circuitry, and the nonvolatile memory. The control circuitry is adapted to process signals in accordance with a preprogrammed configuration file stored in the nonvolatile memory, the signals received via the wireless receiver from a wireless security device, and to communicate with an external computer located remotely from the external host device via the data connector using a first communications protocol.

Abstract: A security system control module with a portable housing including a wireless receiver, control circuitry, nonvolatile memory, and a data connector. The receiver receives data transmissions from at least one wireless security device that monitors a condition of a premises in which the wireless security device is installed. The data connector exchanges data between the control circuitry and an external host device, and it also accepts from the external host device primary operating power for operating the wireless receiver, the control circuitry, and the nonvolatile memory. The control circuitry is adapted to process signals in accordance with a preprogrammed configuration file stored in the nonvolatile memory, the signals received via the wireless receiver from a wireless security device, and to communicate with an external computer located remotely from the external host device via the data connector using a first communications protocol.

Abstract: The invention relates to a surveillance device for installation in a domestic property, comprising event execution means and processing means for generation of commands for at least one event reaction body, characterised in comprising a network (6) of cooperating non-hierarchical modules (1,2,3,4), each comprising detection data processing means (8) and internal communication means (9), configured for exchange of surveillance data between modules. The invention further relates to a surveillance installation comprising several such devices.

Abstract: Television picture transmission stage in which besides means for transmitting at least one picture characteristic extension video signal via at least one transmission path, means for scrambling at least a part of said extension signal or signals, and receiving stage comprising corresponding receiving and descrambling means. These stages are particularly intended for a television picture transmission system in which one or more video signals for extending the aspect ratio of the picture and the video signals for extending the horizontal and vertical definition of the said pictures are transmitted and transferred superposed on the conventional video signals which correspond to the original pictures, said extension signals having been submitted before transmission to a cyclic permutation from a cut point defined for each line with the aid of a pseudorandom sequence generator.

Abstract: A television picture coding device which includes in particular a motion-estimation stage, a control circuit for controlling the motion-estimation stage, a coding stage, and a multiplexing stage, is characterized in that the original images are constituted by interlaced fields and partitioned into information blocks. The motion-estimation (110) includes displacement vectors determining circuits (201, 202, 210) and a format converting circuits (230). The controls stage (130) includes a comparator for making a comparison between a recovered non-transmitted field, to be recovered on the reception side, and an original field corresponding therewith, and a modifying circuit for modifying information components to be transmitted in case of an excessive distortion between the compared fields. A coding stage (120) is included for performing a spatial coding, and multipling stage for multiplexing the signals produced by the coding stage, the motion-estimation stage and the control stage.

Abstract: Method of coding images converted into digital video signals in accordance with a format having three-dimensional blocks of the signals, wherein the method includes the following preliminary steps:(a) estimation of a principal movement from image to image for associating a displacement vector with each image, with respect to the preceding image, said principal vector being the vector for which the image-to-image difference is minimum, and;(b) scan conversion with a view to defining the format of the three-dimensional blocks by dividing the sequence of video signals corresponding to images into groups each corresponding to N consecutive images and by defining within each of these groups the three-dimensional blocks based on M lines, and P pixels per line on the one hand, in the image plane and, on the other hand, N successive planes corresponding to n images of the group, the N two-dimensional blocks of M lines by P pixels which compose each three-dimensional block of one and the same group being spatially shi

Abstract: A digital video signal encoding arrangement comprising a correlation reducing circuit receiving said digital signals which are representative of the luminance or the chrominance of a certain number of elements of a picture which has been divided into blocks, a scanning conversion circuit (30), a normalization circuit (50), a quantizing circuit (60), a circuit (70) for encoding said quantized values and a rate controlling circuit (80). This arrangement is characterized in that its normalization circuit itself comprises: (a) a weighting coefficient storage memory (51) which is addressed on the one hand by an index i indicating the position in the current block, and on the other hand by a value representative of the activity of this block; (b) a standard calculating circuit (52) on the basis of a mean standard value produced by the rate controlling circuit and also on the weighting coefficient supplied; (c) a circuit (59) for dividing by the coefficient K.sub.i the output of said standard calculating circuit.

Abstract: A method of processing video signals which are sampled according to a sampling network which differs from picture to picture and a video signal converter for putting this method into effect.A video signal converter for putting into effect a method of processing a video signal which has been sampled according to a sampling pattern which differs from picture to picture.

Abstract: A video signal processing method for use in a video signal converter includes the following operations: (a) a vertical filtering operation by calculating, at each point of a current line to be generated, a value resulting from weighting the values assigned to the points in the same horizontal position but appearing in at least two lines adjacent to this current line in the same field, the so-called current field; (b) a selection operation by sorting and choosing an intermediate value among the values thus sorted, the sorting operation being effected on a plurality of values one of which is the value obtained at the end of the vertical filtering operation and the other values of which are those assigned to points of the same position as said point of the current line but belonging at least to the field preceding and the field and subsequent to said current field; (c) a picture reconstitution operation by generating a non-interlaced video signal, the current line of said picture being constituted alternately by