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| Number | Title | Issue Date |
| 7237435 | Apparatus for use in measuring fluid levels A device for use in measuring stratified fluid levels in a container is disclosed. The device has a microwave transceiver sensor head attached to a waveguide sensor rod which is enclosed by a gauge tube. The rod end tubes are comprised of sections which allow them t... | 07/03/2007 |
| 5982274 | Paperless pressure and alarm recorder A paperless recorder for recording pressure and alarm condition data from a fire controller for a fire pump control system. The fire pump is connected a pipe network which has a pressure sensor for sensing pipe pressure. The recorder is connected to the p... | 11/09/1999 |
| 5745127 | Chart recorder transport A chart recorder of simple construction is provided for moving a strip of chart paper past a marker, the recorder providing a final marked chart strip which is not tightly rolled so it can be easily handled and viewed, with the recorder constructed so the... | 04/28/1998 |
| 5424720 | Monitoring system for a refrigerated vehicle A refrigerated vehicle system is particularly adapted for use with refrigerated tractor/trailer and rail car vehicles to provide data on the operation of the vehicle and to monitor and provide a record of the operation of ancillary equipment important in ... | 06/13/1995 |
| 5373346 | Data gathering computer and analysis display computer interface system and methodology A data gathering computer and host data display computer interface system, methodology and protocol are described that utilize a shared control program. The data gathering computer uses this program to determine what measurements are to be made and when a... | 12/13/1994 |
| 5207095 | Vehicle braking technique evaluation apparatus A pneumatic or hydraulic pressure sensor is connected in parallel with the vehicle braking system and the sensor is connected to a computer system which periodically samples the sensor output. Other sensors can be used to detect other quantities such as e... | 05/04/1993 |
| 5167453 | Temperature data recorder A recorder is disclosed for producing a continuous data record and comprises a case, a strip chart which is wound from a chart storage compartment onto a spring-driven take-up spool, and a speed-reducing governor comprising a gear train which is operative... | 12/01/1992 |
| 5063392 | Color change system for multicolor strip chart recorders An improvement is provided for printer such as the dot matrix or thermal type, in which the printhead is stepped across the paper over a multicolor ribbon supplied from a pivotally mounted cartridge and transported through a plane between the line of trav... | 11/05/1991 |
| 5033010 | Turbine engine monitoring system A turbine engine monitoring system is provided which disposes a data storage device in permanent association with an engine being monitored. The data storage device comprises an electrically erasable programmable read-only memory which is contained in an ... | 07/16/1991 |
| 5023626 | Printer capable of temperature compensation of the optical density of a printed image after a complete image is printed A printer for recording an image on a recording medium comprises a recording head for recording an image on a recording medium, a thermocouple for detecting a temperature, a control circuit for controlling the recording head in accordance with a detection... | 06/11/1991 |
| 5017018 | Clinical thermometer A clinical thermometer which employs an infrared sensor and is constructed so as to prevent the occurrence of a temperature measurement error caused by a change in temperature of a tip portion (of a housing a temperature measuring portion) during temperat... | 05/21/1991 |
| 4990940 | Disengagement and retrieval mechanism for a record A mechanism for obtaining a strip record of an environmental measurement. The mechanism is used in conjunction with a clock drive which advances a recording strip and with a stylus which marks an indication of the environmental status on the recording str... | 02/05/1991 |
| 4926192 | Tamperproof strip chart recorder with inaccessible cover-mounted transducer A strip chart recorder has a chart dispenser, a platen, a writing table, and a chart advancing mechanism mounted in its base and a temperature-sensitive transducer having a bimetal coil mounted in its cover. The transducer is attached to a stylus that is ... | 05/15/1990 |
| 4804275 | Indicator device for indicating the time integral of a monitored parameter A device for indicating the time integral of a monitored parameter comprising a strip of electrochromic material (2), e.g. tungsten trioxide, an electrode (3) at one end of the strip and an electrolyte (4) arranged so that, upon activation, electrons pass... | 02/14/1989 |
| 4755063 | Temperature compensated data recorder A recorder is disclosed for producing a continuous data record and comprises a case, a strip chart which is wound from a chart storage compartment onto a spring-given take-up spool and a speed-reducing governor comprising a paddle wheel, immersed in visco... | 07/05/1988 |
| 4739653 | Pressure gauge This invention relates to a sub surface pressure gauge comprising an axially displaceable drum with a chart disposed within a housing and having a selective axial movement, rotatable stylus for recordal of pressures on said chart provided on said drum. A ... | 04/26/1988 |
| 4720807 | Adaptive pressure control system An apparatus and method control the pressure in a system by continuously measuring the pressure and comparing it to a desired set pressure. The apparatus and method record a history of the measured pressure as a function of time and calculate the rates at... | 01/19/1988 |
| 4636093 | Method of measuring temperatures and portable recorder for storing temperature data A portable temperature data recorder for temporarily storing plural sets of temperature data representative of temperatures at a single location or at different locations, and automatically transferring the stored temperature data to a data processing uni... | 01/13/1987 |
| 4591872 | X-Y distinguishable multi-trace coding for multiparameter recording of a single stylus recorder A system for providing X-Y trace coding of multiple parameter recordings through use of a single stylus, single trace recorder by multiplexing multiple signals to the recorder with given time intervals for each multiplexing channel, and in a separate mode... | 05/27/1986 |
| 4575803 | Engine monitor and recorder A turbine engine monitoring and recording system includes an engine mounted unit which contains at least a non-volatile memory and a data-processor, and a remote unit suitable for either cockpit mounting or for accessing by a ground portable unit includin... | 03/11/1986 |
| 4506996 | Cryogenic thermometer A thermometer capable of providing temperature measurement over a wide temperature range comprises at least one temperature detection unit consisting of a first superconductor as a core, and a normal conductor and a second supercondutor sequentially super... | 03/26/1985 |
| 4496250 | Thermocouple open circuit detector A thermocouple open-circuit detector is made insensitive to noise pick-up in the thermocouple by increasing the bias on the detecting amplifier beyond the point where it would be affected by the noise and providing a means for reducing that bias during th... | 01/29/1985 |
| 4494112 | Ultrasensitive apparatus and monitoring method for detecting change in fluid flow Transient change in heat flux due to ultrasmall variation in flow conditions (say from NO-FLOW-to-FLOW) within a series of flowlines to pinpoint sources of plant upset is achieved, by carefully positioning a series of M transducer-meters for sensing trans... | 01/15/1985 |
| 4447884 | Graphic display in an electronic thermometer An electronic thermometer includes a memory system for storing the body temperature data measured by a temperature sensing element. The memory system has ten memory sections for storing the temperature data of each of last ten days. A graphic display syst... | 05/08/1984 |
| 4405930 | System for mapping a physical variable A system for photographically displaying the magnitude of a physical variable. In one embodiment, a sensor mounted on a movable probe produces an electrical signal indicative of the physical variable. The electrical signal then drives a lamp which is also... | 09/20/1983 |
| 4379461 | Thermographic apparatus The invention relates to a thermographic apparatus intended in particular for diagnosing disturbances in circulation in the extremities of a patient, by recording the temperature distribution along a selected line extending from the ankle of a patient up ... | 04/12/1983 |
| 4359747 | Thermocouple recorder This disclosure is concerned with a novel digital multi-point recorder that is microprocessor-controlled and enables impact printing from in back of the recorder paper to provide a front visible flat print-out of pages of on-line running summary data suit... | 11/16/1982 |
| 4357113 | Liquid container leakage detection method and system The apparatus and method of the present invention are particularly adapted to monitor for leaks from a fluid container which is situated in a porous or semiporous medium, such as earth. A series of sensors is placed in the medium at a position which would... | 11/02/1982 |
| 4329693 | Method of and apparatus for data recording and the like This disclosure is concerned with a novel digital multi-point recorder that is microprocessor-controlled and enables impact printing from in back of the recorder paper to provide a front visible flat print-out of pages of on-line running summary data suit... | 05/11/1982 |
| 4318276 | Self-registering temperature control device A self-registering temperature control device in which an electronic control section for controlling air temperature in a refrigerated container and an automatic temperature recording section are accommodated in a housing is provided. This structure permi... | 03/09/1982 |
| 4303926 | Chart drive mechanism In the preferred and illustrated embodiment of a recording device, a fluid volume driven chart bracket is disclosed. The bracket is rotationally responsive to fluid flow through a pipeline or the like. A recording chart is rotated by the fluid flowing thr... | 12/01/1981 |
| 4259677 | Method and apparatus for recording the compression pressure of internal combustion engines An apparatus and method for recording the compression pressure of internal combustion engines, wherein a pair of recording elements, such as a stylus and a recording sheet, are movable relative to each other by a pressure sensitive element, and the compre... | 03/31/1981 |
| 4253617 | Speed governor for a disposable data recorder A speed governor for a disposable spring motor driven data recorder of the type which is used, for example, in a railroad car to graphically record, on a traveling tape, the temperature in the car at all times during a transit period of several days; the ... | 03/03/1981 |
| 4224744 | Circuitry for teaching soldering and practice circuit board for use therewith Apparatus including a planar support having a plurality of terminations such as plated through holes arranged therein in an array and a plurality of sensing devices respectively associated with the terminations for measuring a physical quantity thereat su... | 09/30/1980 |
| 4141019 | Portable compact strip chart recorder A portable strip chart recorder is provided with a constant speed strip chart advancing drive powered from a clockworks and gear drive unit. The gear drive unit is sealed from the strip chart so that it cannot be tampered with when the strip chart is chan... | 02/20/1979 |
| 4135400 | Electronic thermograph A thermograph adapted to be pre-loaded with chart paper upon which shipping information can be written, and comprising an instrument unit enclosed in an expendable container for automatic operation and security assured by a seal, the instrument being oper... | 01/23/1979 |
| 4074275 | Strip chart recorder A portable strip chart recorder includes a programmable electronic drive circuit to drive an electric motor and a means for identifying the strip chart as having been recorded on a specific recorder, said strip chart incorporating graphic means of identif... | 02/14/1978 |
| 4052892 | Pressure and volume recording apparatus Means for measuring the flow of a stream of fluid and the resistance to said flow. The means can be powered by the fluid whose flow is being measured. First axis motor means moves a chart in response to total flow, and second axis motor means moves marker... | 10/11/1977 |
| 4050067 | Airborne microwave path modeling system An airborne geophysical measurement and recording system and apparatus in which radar signals are focused onto terrain below an aircraft flying in a straight line between microwave tower sites. The echo signals are detected and signals produced and record... | 09/20/1977 |
| 4044362 | Data recording instrument A recording instrument for accompanying a cargo to record an environmental variable such as temperature, the housing of the instrument containing a removable chart pack with two spools and the chart pack being retained in the housing by two lugs located o... | 08/23/1977 |
