Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 4574267 | Tire pressure warning system A tire inflation pressure detector which senses changes in tire pressure by detecting the changes in the spring rate of the tire which result from changes in tire pressure. An accelerometer (40) is mounted on a vehicle suspension component adjacent the ti... | 03/04/1986 |
| 4546649 | Instrumentation and control system and method for fluid transport and processing A system and method for measuring and controlling the parameters and conditions of a thin-wall submersed-tube fluid transport system called an "equiduct" system. The tube or tubes preferably are located near the bottom of a water artery such as a river, a... | 10/15/1985 |
| 4523460 | Fluid measuring, testing and accounting system A system which enables the measuring, testing and accounting for a fluid, preferably oil, as stored in a tank battery adjacent a producing oil well system. In its most basic form, the system includes a master control unit associated with a level transduce... | 06/18/1985 |
| 4510803 | Flight recorder having capability of storing intermediate data A flight recorder (11) for a vehicle such as an airborne vehicle is provided in which various data is recorded, along with on-board time data (from 38) in order to be processed by ground based equipment (13). The on-board time data is synchronized by usin... | 04/16/1985 |
| 4504831 | Utility usage data and event data acquisition system A utility usage data and event data acquisition system effective to acquire input serial data messages representing the amount of consumed utility services and/or binary event data from one or several external sources having differing drive signal require... | 03/12/1985 |
| 4499584 | Data validation monitor A method and apparatus is provided for detecting and rejecting spurious sals that may arise in incoming data. A remotely disposed data producing sensor for each sensor data channel and a single blind data channel extend to a receiver or a recorder. A dat... | 02/12/1985 |
| 4464660 | Multichannel remote transducer monitoring system A transducer monitoring system includes a transducer assembly positioned at a remote location which operates to measure one or more separate physical phenomena. The transducer assembly is coupled to a central location, such as at the top of an oil drillin... | 08/07/1984 |
| 4464745 | High dynamic range multiplexing system This invention is a system that is capable of having a high dynamic range for the transmission of electrical information from an array of sensing devices to processing equipment via transmissions paths. A high gain quadrature multiplexer is coupled to the... | 08/07/1984 |
| 4442426 | Signal transmission Plural transmitters, which transmit signals to a common receiver, transmit their signals in a fixed time-staggered pattern. As a result, the individual signals which are transmitted by the respective transmitters do not interfere with one another or influ... | 04/10/1984 |
| 4415896 | Computer controlled energy monitoring system Disclosed is a centralized data communications system incorporating a plurality of remote stations, each having a plurality of information channels associated therewith. A selected remote station and its associated information channels are tone addressed ... | 11/15/1983 |
| 4413259 | Cascade monitoring apparatus An apparatus for monitoring the value of one or more physical parameters, the apparatus including a plurality of physical monitoring modules, master electronics, and structure for interconnecting each of the modules and the master electronics. Each module... | 11/01/1983 |
| 4399440 | Addressable transducer with a variable frequency oscillation for monitoring a physical quantity An addressable transducer is disclosed for use in monitoring the values of physical conditions in connection with long electric lines, such as telephone cables. Multiple transducers are connected across a single pair of transmission lines which extend fro... | 08/16/1983 |
| 4387368 | Telemetry system for centrifugal water chilling systems A telemetry system for reporting the status of a number of physical parameters occurring during operation of industrial equipment, such as the monitoring of refrigeration/air conditioning safety controls and anticipatory refrigeration controls. Activation... | 06/07/1983 |
| 4342996 | Two disc encoder system for monitoring height of liquid in storage tank An apparatus for determining the height of liquid in a storage tank comprising: an instrument shaft capable of being associated with the shaft of the tank level gage; a first disc rotatable in response to the rotation of the instrument shaft; a second dis... | 08/03/1982 |
| 4328586 | Optically coupled serial communication bus A master slave controller communication system is disclosed wherein intercommunication occurs between a master controller and a slave controller over the same communication control line. The communication control line contains three busses. At least one b... | 05/04/1982 |
| 4322728 | Multichannel remote transducer monitoring system A transducer monitoring system includes a transducer assembly positioned at a remote location which operates to measure the change in at least two separate physical phenomena. The transducer assembly is coupled to a central location, such as at the top of... | 03/30/1982 |
| 4317175 | Dynamic rate integrating demand monitor A dynamic rate integrating demand monitor which measures electric power to a customer load at closely-spaced time intervals and prices that load at each such interval on the basis of a predetermined set of factors.... | 02/23/1982 |
| 4307395 | Method of and apparatus for recording, storing and replaying dynamometer data from a liquid well pump A method and apparatus for accepting analog voltage signals from a reciprocating liquid well pump and digitizing the signals and storing the signals for playback at a later time. A receiving circuit accepts two analog signals, one of which is proportional... | 12/22/1981 |
| 4284979 | Coding system for simultaneously signaling selected ones of a plurality of devices A method of coding to provide command signals simultaneously to selected devices is disclosed. Each device is assigned a different power of the same integer. Commands are then signaled to the desired devices by sending a series of pulses, the total of whi... | 08/18/1981 |
| 4260981 | Physical condition monitoring system for detection in remote places A monitoring system having physical condition detectors arranged at places remote from a central receiving device so as to detect changes in the physical condition of a matter to be observed such as temperature, light and smoke. The central receiving devi... | 04/07/1981 |
| 4236144 | Inspection system for a group of tanks An inspection system for a group of tanks, comprises a generator at each tank in which the temperature and the level of the liquid contained in each tank are converted into series data digital signals and start mark signals; and the series data signals ar... | 11/25/1980 |
| 4232300 | Level measuring system using admittance sensing A transmitting system including an admittance sensing probe having sensing elements adapted to sense both the composition and the level of materials. The probe is coupled to admittance responsive networks forming part of a common oscillator which generate... | 11/04/1980 |
| 4216462 | Patient monitoring and data processing system The system is composed of a plurality of bedside stations, each in the vicinity of a hospitalized patient, and each interconnected to a central station for monitoring and controlling the bedside stations. The bedside stations contain a plurality of physio... | 08/05/1980 |
| 4205325 | Keyless entry system A keyless entry system for an automotive vehicle permits a plurality of operations to be achieved from outside the vehicle by one who is knowledgeable of predetermined digital codes. Functions such as unlocking the doors of the vehicle, opening the rear d... | 05/27/1980 |
| 4204195 | Meter terminal unit for use in automatic remote meter reading and control system A meter terminal unit for use in automatic meter reading systems of the type including a control center for transmitting commands to and receiving measurement data from the terminal unit via a distribution unit serving several terminal units. The terminal... | 05/20/1980 |
| 4194180 | Apparatus for registering quantity values of corresponding volume or energy quantities by means of counters in a central station Apparatus for registering quantity values of corresponding volume or energy quantitites measured at consumption points at a distance from a central station which has a number of counters corresponding to the various consumption points. Each time a predete... | 03/18/1980 |
| 4194179 | Active antenna for medical telemetry monitoring systems A telemetry system and associated antenna for monitoring the physiological condition of hospitalized patients. The antenna consists of two separate sections. The first is the antenna pre-amp section and contains passive receiving antenna elements integrat... | 03/18/1980 |
| 4184149 | Air speed and attitude probe An air speed and attitude probe characterized by a pivot shaft normally projected from a data boom and supported thereby for rotation about an axis of rotation coincident with the longitudinal axis of the shaft, a tubular body supported for angular displa... | 01/15/1980 |
| 4184159 | Method and installation for temperature control in a silo The disclosure relates to a method for silage temperature control in a silo. Measurement transmitters are placed at points where it is desirable to check the temperature of the silage located in the silo. These measurement transmitters are activated, on t... | 01/15/1980 |
| 4180199 | Mass soldering control system A system for measuring time/temperature profiles of a mass soldering operation is described. In accordance with the invention a data probe and miniature transmitter is carried through the soldering operation on top of the circuit board being soldered. A p... | 12/25/1979 |
| 4162484 | Data collection system A data collection system wherein a metering center or central metering station sequentially selects a large number of remote terminal equipment block selectors and through the selected selector sequentially selects a plurality of terminal equipments or me... | 07/24/1979 |
| 4161720 | Meter terminal unit for use in automatic remote meter reading and control system A meter terminal unit for use in automatic meter reading systems of the type including a control center for transmitting commands to and receiving measurement data from the terminal unit via a distribution unit serving several terminal units. The terminal... | 07/17/1979 |
| 4160233 | Seismic array An improved seismic array is disclosed having a plurality of seismic detector connection points with a seismic detector at each seismic detector connection point. The output of each seismic detector in the array is weighted by providing first resistive we... | 07/03/1979 |
| 4148013 | Rotating shaft alignment monitor A system for monitoring misalignment between two in-line rotating shafts and for indicating the direction of shaft misalignment wherein alignment sensors are mounted directly to and rotate with the shafts. The sensors are mounted to detect position or str... | 04/03/1979 |
| 4140999 | Transformer hot spot detection system The invention is a system for the detection of hot spots, i.e., localized over-heating, in electrical power transformers and the like which utilize one or more telemetric temperature devices that are embedded at preselected locations in the windings of th... | 02/20/1979 |
| 4135401 | Temperature measurement system for hollow shaft interiors A tubular element having structural members disposed thereon at selected axial locations for supporting thermocouples inside the bore of a hollow shaft. Each of the structural members constitutes a generally "X"-shaped configuration which is substantially... | 01/23/1979 |
| 4135181 | Automatic remote meter reading and control system An automatic meter reading and control system for communicating with remote terminal points includes a central station which selectively communicates with a transponder controller unit at each terminal point via a plurality of distribution units, each ser... | 01/16/1979 |
| 4062005 | Synchro-to-digital converter employing common processing apparatus Circuitry monitors a plurality of rotating shafts, and provides a corresponding plurality of binary output words each characterizing the angular position of an associated shaft. Synchro and Scott "T" per-shaft monitoring elements are sampled by common mul... | 12/06/1977 |
| 4045787 | Sensors for sensing a plurality of parameters Sensors, or transducers, which utilize elongated magnetically saturable tubes with sense lines that run through the tubes for simultaneous sensing of a plurality of parameters are disclosed. One version involves a single sensing element which has a first ... | 08/30/1977 |
| 4035764 | Combination meter for automobile A combination meter for an automobile comprising a first group of indicators and a second group of indicators adapted to come into operation later than the first group of indicators by a predetermined time, whereby when a key switch is closed by the drive... | 07/12/1977 |
