Abstract: An expandable or telescoping police baton embodies a cylindrical sleeve within which is slidably disposed cylindrical shaft. The sleeve and shaft are aligned with a slot and a pin to prevent rotation of the shaft within the sleeve. The baton also includes a shock absorbing assembly positioned on the shaft.

Abstract: An expandable or telescoping police baton embodies a cylindrical sleeve within which is slidably disposed cylindrical shaft. The sleeve and shaft are aligned with a slot and a pin to prevent rotation of the shaft within the sleeve. The baton also includes a shock absorbing assembly positioned on the shaft.

Abstract: The present invention provides a push button release police baton in which the collapse of the extended sections into the larger handle section is accomplished by the use of a single axially positioned push button clutch alignment rod which aligns the clutch locking mechanisms located in the extended sections and releases the sections for collapse into the handle end section of the baton.

Abstract: The present invention provides a push button release police baton in which the collapse of the extended sections into the larger handle section is accomplished by the use of a single axially positioned push button clutch alignment rod which aligns the clutch locking mechanisms located in the extended sections and releases the sections for collapse into the handle end section of the baton.

Abstract: In a content data distribution network, a system for directing control instructions to selected ones of a plurality of receivers. The system comprises a stored value, stored in a memory location reserved for at least one local parameter in each of the plurality of receivers. An uplink distributes to the plurality of receivers over said content data distribution network a transmitted value. The system compares the stored value and transmitted value such that a True value corresponds to the selected ones of the plurality of receivers at which the control instructions are to be executed. Comparisons may be made to functions of the stored values. Comparisons may be made to multiple stored values. Multiple comparisons may be connected together with boolean operators. The stored values can be changed by the transmitted control instructions.

Abstract: A satellite broadcast conditional access system with key synchronization uses indexing of an authorization stream to quickly restart the decrypting process after short carrier fades and after carrier switches. The authorization stream includes cyphered seeds and index numbers which are sequentially sent to a group of receivers. The same authorization stream can also be broadcast multiple times to the group of receivers. A conditional access server selects a starting index number and increments the index number by a predefined value. The receivers have a memory to save the current index number for the authorization stream. Any receiver that loses its connection to the broadcast and thereafter reestablishes its connection can retrieve the latest index number being issued in the authorization stream and compare it with the stored index number. When the index numbers match or are within a defined threshold, the receiver will continue to decypher the seeds and decrypt the transport stream.

Abstract: A protected dual purpose power/enter switch for an integrated receiver/decoder has a first relay and a second relay adapted for operative communication with a motherboard and with each other. A switch and a processor are in operative communication with the first relay. When the device is off, said switch is configured to activate the first and second relay to power up the device, and when said device is on, the first relay connects the switch to the processor as an enter switch. The switch may power off said device by entering a power off menu item displayed by said processor.

Abstract: A central controller remotely controls and configures sets of receivers to receive programs in a broadcast signal and recast selected sets of programs to selected sets of media devices over a computer network. Each receiver has an input module that receives programs from the broadcast signal, a control module that receives a control stream from the central controller, and a recasting module that reformats and transmits selects programs over the computer network. The receivers use the control stream to configure the selected sets of programs and the selected sets of media devices. The recasting module is uncoupled from the control module so that the receiver's recasting of selected program content can be different for different sets of receivers, thereby allowing any combination of broadcast programs to be recast by any set of receivers to any set of media devices. The receiver also has a storage module and interrupts the live recasting of the broadcast signal to spool out a locally stored file.

Abstract: A satellite broadcast conditional access system with key synchronization uses indexing of an authorization stream to quickly restart the decrypting process after short carrier fades and after carrier switches. The authorization stream includes cyphered seeds and index numbers which are sequentially sent to a group of receivers. The same authorization stream can also be broadcast multiple times to the group of receivers. A conditional access server selects a starting index number and increments the index number by a predefined value. The receivers have a memory to save the current index number for the authorization stream. Any receiver that loses its connection to the broadcast and thereafter reestablishes its connection can retrieve the latest index number being issued in the authorization stream and compare it with the stored index number. When the index numbers match or are within a defined threshold, the receiver will continue to decypher the seeds and decrypt the transport stream.

Abstract: A central controller remotely controls and configures sets of receivers to receive programs in a broadcast signal and recast selected sets of programs to selected sets of media devices over a computer network. Each receiver has an input module that receives programs from the broadcast signal, a control module that receives a control stream from the central controller, and a recasting module that reformats and transmits selects programs over the computer network. The receivers use the control stream to configure the selected sets of programs and the selected sets of media devices. The recasting module is uncoupled from the control module so that the receiver's recasting of selected program content can be different for different sets of receivers, thereby allowing any combination of broadcast programs to be recast by any set of receivers to any set of media devices. The receiver also has a storage module and interrupts the live recasting of the broadcast signal to spool out a locally stored file.

Abstract: In a content data distribution network, a system for directing control instructions to selected ones of a plurality of receivers. The system comprises a stored value, stored in a memory location reserved for at least one local parameter in each of the plurality of receivers. An uplink distributes to the plurality of receivers over said content data distribution network a transmitted value. The system compares the stored value and transmitted value such that a True value corresponds to the selected ones of the plurality of receivers at which the control instructions are to be executed. Comparisons may be made to functions of the stored values. Comparisons may be made to multiple stored values. Multiple comparisons may be connected together with boolean operators. The stored values can be changed by the transmitted control instructions.

Abstract: An expandable police baton having tubular members, and positive ball bearing locking with an axially positioned cam release mechanism, which will maintain the members in an expanded telescoped position and then can release the locking mechanism by pushing a single button at the rear thereof so that the members can slide over one another to a collapsed position convenient for carrying the baton.

Abstract: A point to multipoint has a single transmission device and multiple remotely located receivers. Each remote receiver receives a transmitted signal via a satellite and extracts information in the form of data bytes. A microprocessor assemblies and interprets the data bytes according to a predefined protocol and then executes the desired action by affecting an appropriate device. The protocol enables the transmitter to direct commands to some sets of remote receivers other than all of the remote receivers and can switch channels and frequency at will to improve flexibility and security. The protocol defines a special way of packeting asychronously encoded bytes of data so that common software in remote receiving units may detect packet boundaries, detect one or two bit errors in a packet and correct single bit errors. The common software may also determine if a packet is targeted or addressed to the remote and may parse and execute the implied command of the packet.

Abstract: A satellite broadcast conditional access system with key synchronization uses indexing of an authorization stream to quickly restart the decrypting process after short carrier fades and after carrier switches. The authorization stream includes cyphered seeds and index numbers which are sequentially sent to a group of receivers. The same authorization stream can also be broadcast multiple times to the group of receivers. A conditional access server selects a starting index number and increments the index number by a predefined value. The receivers have a memory to save the current index number for the authorization stream. Any receiver that loses its connection to the broadcast and thereafter reestablishes its connection can retrieve the latest index number being issued in the authorization stream and compare it with the stored index number. When the index numbers match or are within a defined threshold, the receiver will continue to decypher the seeds and decrypt the transport stream.