Matches 1 - 39 out of 39
Match Document Document Title
6295449 Data messaging in a communications network using a feature request  
A messaging unit equipped with a cellular transceiver is attached to a truck trailer or a monitoring station located within a communications network. The messaging unit generates a data message in...
6240295 Data messaging in a communications network using a feature request  
A messaging unit (16) equipped with a cellular transceiver (38) is attached to a mobile item (12) located within a communications network (10). The messaging unit (16) issues a feature request...
5619560 Residential fuel oil tank level reporting device  
A remote level sensor for a residential fuel oil tank is adapted for a fuel oil gauge with a permanent magnet which changes position with changing fluid levels in the tank. The sensor has a housing...
5469365 Power monitor unit  
A unit monitors power and reports to a central location. The unit receives an A/C power signal to be monitored, senses a zero crossing of the A/C power signal, and delays an interval so as to...
5454031 Dial inbound meter interface unit which derives its power from a telephone line  
The present invention is a dial in-bound MIU capable of deriving its operating current from a telephone line. The MIU is coupled to the telephone line using conventional practices. The MIU has the...
5434911 Call in-bound remote reading and data collection system  
A call in-bound remote reading and data collection system for the remote reading of utility meters, including a data processor and a remotely located meter interface unit (MIU) interconnected to at...
5335267 Apparatus and method for transmitting text data directly to a facsimile machine  
A monitoring apparatus includes a conversion module having firmware embedded therein for converting text data in a first code such as ASCII to binary text data in a second code such as facsimile...
EP0174804B1 Home control system and interphone system  
Abstract not available for EP0174804 Abstract of corresponding document: US4665544 A home control system includes a pair or plural pairs of home information transmission path (referred to as home...
4881070 Meter reading methods and apparatus  
Meters having a plurality of rotating dials are read automatically by using radiant energy to sense the angular positions of the dials. A single radiant energy detector is time-shared among the...
4845486 Residential fuel-oil level reporting and alarm system  
An automatic reorder and alarm system for use with residential fuel-oil tanks which sends reorder and alarm data to a central station over the direct-dial telephone network when the fuel-oil level...
4817131 Automatic meter reading system  
Automatic meter readers are arranged for connection to customers' telephone lines and for automatic dialing for transmission of meter data to a computer of a utility control center, communications...
4728950 Magnetic sensor apparatus for remotely monitoring a utility meter or the like  
The present invention relates to a magnetic sensor apparatus (21) for use in a remote meter monitoring system (20) for remotely monitoring the dials (54a-e) of a utility meter (56) by use of Hall...
4716582 Digital and synthesized speech alarm system  
A portable, self-contained device for monitoring an area and reporting conditions automatically over standard telephone lines is disclosed. The device communicates through a modem in digital code...
4680704 Optical sensor apparatus and method for remotely monitoring a utility meter or the like  
The present invention relates to an optical sensor apparatus (21) for remotely monitoring a utility meter or the like. The optical sensor apparatus (21) includes optically sensitive detector, in...
4665544 Home control system and interphone system  
A home control system includes a pair or plural pairs of home information transmission path (referred to as home bus); information outlets provided at the home bus which serve as connection nodes...
4646084 Meter reading methods and apparatus  
Meters having a plurality of rotating dials are read automatically by using radiant energy to sense the angular positions of the dials. A single radiant energy detector is time-shared among the...
4628313 Apparatus and method for remotely monitoring a utility meter by use of a liquid crystal display  
The present invention relates to an optical sensor apparatus (21) for use in a remote meter monitoring system (20) for remotely monitoring the dials (34) of a utility meter or the like by use of a...
EP0174804A1 Home control system and interphone system.  
Abstract not available for EP0174804 Abstract of corresponding document: US4665544 A home control system includes a pair or plural pairs of home information transmission path (referred to as home...
4565902 Telephone care system with supplementary alarm message  
A telephone care system enables personnel monitoring an emergency response center to be reminded that help is still needed at a given location. The system includes a provision for sending a...
4510350 Personal alarm apparatus including wrist supported transmitter and receiver/telephone interface circuit  
A personal alarm apparatus comprises a wrist mounted R.F. transmitter including a push button trigger and a relay station connected to the telephone line. The relay station on receipt of the...
4486625 Computerized measurement response system  
An alarm system used in a home or office for determining when the consumption of oil or other utility in a tank has been depleted to a predetermined alarm level, and automatically telephoning a...
4469915 Beeper simulator for a telephone answering apparatus  
A beeper simulator for a telephone answering apparatus which produces onto the telephone line a beeper signal to operate the apparatus in response to digits being dialed onto the telephone from a...
4455453 Apparatus and method for remote sensor monitoring, metering and control  
A remote unit for a remote meter reading system. The remote unit initiates a telephone call to a central complex at a predetermined callback time. In response to an acknowledgement signal...
4412292 System for the remote monitoring of vending machines  
A system for the remote monitoring of vending machines and for automatically communicating conditions at the vending machines to a central computer complex is described. Each vending machine is...
4338493 Method and devices for reporting emergency calls and for initiating emergency assistance measures  
For giving assistance to persons living alone in closed dwelling units, an emergency call report is transmitted in a communication system from an alarm location to an allocated alarm central...
4321582 Data retrieval system and method  
A data retrieval system and method is associated with an existing load management system and includes an encoder coupled to an information generating device associated with the load system being...
4314102 Post office box monitoring system  
A system for detecting the presence of mail in a post office box. A post office box holder calls a telephone number which accesses a computer. The computer contains data representative of the...
4286117 Danger alarm system  
A danger alarm system has a plurality of alarm circuits which are operable to provide environmental signals concerning the area about the respective alarm circuits. The alarm circuits are connected...
4250353 Danger alarm system  
A danger alarm system has a plurality of call lines and a plurality of alarm circuits respectively connectible to the call lines and operable to provide signals indicative of environmental...
4196311 Binary-coded message communication  
Binary-coded message communication for accessing, over a telephone line, a unit such as a telephone-answering device. Communication takes place through the use of time-space-assigned bursts of two...
4141006 Security system for centralized monitoring and selective reporting of remote alarm conditions  
A security system consists of a central digital processor system, e.g., a general purpose computer, to which plural remote units are connected by a digital communications link, e.g., telephone. The...
4137429 Digital dialers for use in the security field  
There is disclosed a digital dialing system operative to send a subscriber code and an alarm indication to a remote station via a communications link such as a telephone line. The digital dialer...
4097690 Intercommunication and alarm telephone system  
An intercommunication and alarm telephone system has a common control in the form of a clock driven central unit connected to an alarm control unit and one telephone line shared by a plurality of...
4086434 Remote condition reporting system  
A remote condition reporting system for use in a home, for example, includes a microprocessor with memory and a firmware program, telephone dialing equipment, a clock and a plurality of inputs to...
4051327 Telephone alarm system  
A telephone alarm system is provided including transmitter and receiver units for interconnection through telephone lines and exchange circuits. In response to an alarm signal, a line circuit in...
4040013 Citizens alarm system  
A combined police and fire alarm system has provision for voice communication between street corner boxes and a central station via existing telegraphic cables. The boxes automatically transmit...
4023139 Security control and alarm system  
A security control and alarm system includes a central station communicating with each of plural remote stations, or facilities, protected by the system. The remote stations may be multi-zone...
3992587 Remote data line monitor  
A device that permits local or remote access to data circuits for the purpose of monitoring, testing and performing diagnostics. It may be used to issue commands to perform various functions...
3987246 Apparatus for automatically sending data over a telephone system from a remote station to a central station  
The apparatus disclosed is for use with conventional automatic dialing telephone equipment and includes a master or central station and a remote, automatically triggered, dialing station. The...
Matches 1 - 39 out of 39