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A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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| Number | Title | Issue Date |
| 4203096 | Sensor monitoring alarm system A time multiplexed sensor monitoring system. A plurality of remote sensor units are connected to a central control unit by a two-wire bus line. Power is supplied to the remote unit sensors by the central control unit. Synchronization of the remote units i... | 05/13/1980 |
| 4141008 | Energy-responsive intruder detection system A shielded two-wire cable used to transmit signals from one or more remote receivers to a central signal processing unit in an energy-responsive system is simultaneously used to transmit from the signal processing unit to the receivers (a) a signal propor... | 02/20/1979 |
| 4132987 | Security system A security system of the type including one or more electrically-continuous closed loops for detecting the presence of an intruder wherein a breach in security indicative of the intrusion is sensed by a change in potential at a point along the line with w... | 01/02/1979 |
| 4083039 | Voltage enhancement circuit for central station monitored alarm systems A voltage enhancement device in the nature of a DC-to-DC converter is used in a centrally monitored alarm system of the type having at least one alarm detection device at a first location, an alarm monitoring panel at a second location, and telephone line... | 04/04/1978 |
| 4066966 | Alarm system utilizing a bidirectional transmission line in CATV system In a remote control system especially suitable to use as an alarm system utilizing the bidirectional transmission line of a wired television broadcasting system and including a plurality of low frequency signal transmitters, a plurality of group modulator... | 01/03/1978 |
| 4057798 | Security system A system for automatic detection of the presence of intrusion by an intruder and/or the phenomenon of combustion manifested in light, flame, and heat, and having delay before activating alarm means for preventing non-genuine detection is provided using di... | 11/08/1977 |
| 4044351 | System monitor with innate line security ability A system for monitoring a protected premises from a central station over telephone lines employs different audio tones sent back and forth over the lines. A random succession of audio tones from the central station interrogates the protected premises and ... | 08/23/1977 |
| 4032916 | Intrusion alarm cable supervision system A cable supervision system especially adapted for use in an intrusion alarm installation and which is capable of monitoring at a central control unit all lines of an interconnection cable for proper signal levels and balance. Under intended cable signal c... | 06/28/1977 |
| 4032907 | Remote alarm monitoring and circuit control system A remote alarm monitoring and control circuit control system for centralized monitoring of areas remote from the monitoring location. The system comprises a centrally located monitoring board connected via conventional phone lines to a plurality of remote... | 06/28/1977 |
| 4025918 | Alarm system and remote monitor panel An alarm system remote monitor panel having a series of control units, each unit being provided with a light cell, diodes and a coil so that when a remote sensor triggers an alarm, the light will be illuminated and the audio unit activated. The audio may ... | 05/24/1977 |
| 4024519 | Intrusion alarm test system For use in a multiple zone intrusion alarm system having a central control unit and a plurality of remote transceivers or other sensors, apparatus for testing the operability of the transceivers wherein the control unit includes means for deactivating all... | 05/17/1977 |
| 4017842 | Swimming pool alarm system and method with adjustable sensitivity A swimming pool alarm system which is responsive to the height of waves resulting from unauthorized entry, and which includes provision for changing its sensitivity. An alarm circuit is provided with a switch having a plurality of stationary contacts spac... | 04/12/1977 |
| 4017852 | Apparatus for supervising leads interconnecting a plurality of self-contained abnormal condition sensing and alarm annunciating units Circuitry associated with a self-contained abnormal condition sensing and alarm annunciating unit for supervising or monitoring leads interconnecting a plurality of such units and for responding to an open circuit condition of such leads so as to actuate ... | 04/12/1977 |
| 4015256 | Electronic control unit for intrusion system An electronic control center comprising part of an intrusion (burglar) alarm system, the control center being hermetically encapsulated in a mass of hard plastic (in lieu of the conventional steel cabinet enclosure) for purposes of economy and, significan... | 03/29/1977 |
| 4010459 | Systems for the detection of moving objects within a survey area by microwave diffraction A microwave transmitter and receiver are placed at a distance from each other to define between them a survey area in which the field of transmission is modified by reflection and/or absorption by objects in the survey area. A modulation generator is used... | 03/01/1977 |
| 3996578 | Alarm system In an alarm system utilizing a bidirectional wired television system, there are provided a plurality of alarm signal generators which are located on the subscribers' side, the signal generators generating low frequency alarm signals of the frequencies com... | 12/07/1976 |
| 3990075 | Solid state security system A solid state security system employing a single "chip" integrated circuit as the primary electronics located within a compact security console to provide electronic interface with one or more remote monitoring channels including a telephone dialer channe... | 11/02/1976 |
| 3984638 | Processor for use between keyboard telephone set and television set Processor for use between an earpiece of a keyboard telephone set serving to interrogate a computer by means of multi-frequency code interrogation signals and to receive from said computer digital serial answer words beginning with a start signal and freq... | 10/05/1976 |
| 3983554 | Electric power distribution system including a Master Annunicator and Central Control Unit An Electric Distribution system for hospital use includes a plurality of ungrounded remote Power Supplies. Each remote Power Supply is provided with a Line Isolation Monitor. A Master Annunciator and Central Control Unit is connected to the several Line I... | 09/28/1976 |
| 3978478 | Reset circuit for a security system A solid state reset circuit responds to the actuation of a single manual device to both transmit reset signals to the input circuitry associated with fire and intrusion sensors of a security system, and to transmit an arm/disarm signal to the intrusion se... | 08/31/1976 |
| 3978466 | Alarm system including remote signalling means An improved alarm system is disclosed which includes one or more remote stations. Each remote station is connected to the central or control station by only three conductors or leads. The control and remote stations each include a pair of back-to-back LED... | 08/31/1976 |
| 3978461 | Three wire detection circuit A three wire circuit for supplying electrical power to active, power-consuming detection devices and communicating electrical signals providing supervisory information and fire alarm information to a control panel. Two wires supply electrical power the th... | 08/31/1976 |
| 3972039 | Article removal and pilferage detection system and apparatus A three-wire alarm system is disclosed which features a plurality of plug-in strips each carrying a plurality of three-connector receptacles. These strips may be interconnected one to the next and to a battery-powered alarm box by identical jumper cables ... | 07/27/1976 |
| 3940739 | Alarm reporting system An alarm system for reporting the status of a plurality of remote alarm points to a central monitoring station. An alarm status transmitter is located in the vicinity of the alarm points, and includes a selection matrix having sensing inputs coupled to th... | 02/24/1976 |
| 3939460 | Security alarm system Fire alarm and intrusion alarm conductors are wired from a plurality of dwellings to a nearby data transmitter circuit which is linked by a single pair of conductors to a remote data receiver circuit. The alarm conductors are sequentially scanned in the d... | 02/17/1976 |
| 3932858 | Master antenna line communication system A theft communication system is particularly useful for indicating the unauthorized disconnection of a television set or the like from any one of the rooms of a hotel or motel. The communication system includes a central transmitter connected with a maste... | 01/13/1976 |
