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Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 4736857 | Tamper indicating closure A device for indicating whether a container having a cap has been opened. The device includes a switch or pressure transducer for detecting the engagement of the cap to the container and disengagement therefrom. A display, which is visible through the top... | 04/12/1988 |
| 4628327 | Physiological trend data recorder A strip chart recorder and method for recording trend signals representative of a physiological condition on a strip chart responsive to the occurrence of an alarm condition. Trend signals representative of said physiological condition in the past are sto... | 12/09/1986 |
| 4624067 | Frame assemblies A versatile picture frame including a plurality of slidable arms connected to a back cover which engage a corresponding plurality of slots positioned along a skirt of the frame for quickly and easily securing an object to be displayed within the frame and... | 11/25/1986 |
| 4590723 | Lambrequin assembly A lambrequin assembly includes a plurality of channels for receiving at least one strip of decorative material in at least one of a plurality of sections of the assembly. The sections are joined together by L-shaped connectors which are frictionally held ... | 05/27/1986 |
| 4582068 | Systems and methods for processing physiological signals Systems and methods are disclosd for detecting the recurrence of physiological functions. The disclosed systems and methods are especially adapted for detecting the recurrence of a patient's respiration from a signal representative of changes in the patie... | 04/15/1986 |
| 4573479 | Systems and methods for monitoring the fetal heart For determining fetal heart rate signals representing present and one or more previous fetal heart rate cycles are processed using a correlation technique. Each correlation signal produced by this technique is further processed for substantially eliminati... | 03/04/1986 |
| 4562656 | Mounting frames A picture frame hinge. The hinge is attached to backs of picture frames by inserting projections which extend from the hinge leaves into corresponding holes in the backs of the picture frames. The hinge is held in place by a resilient tab. The hinge conta... | 01/07/1986 |
| 4541439 | Monitoring of capillary blood flow The monitoring of capillary blood flow in a woman's cervical wall and vaginal wall is provided so that the capillary blood flow patterns therein may be compared in order to evaluate various physiological conditions of the woman. In addition, methods are p... | 09/17/1985 |
| 4537196 | Systems and methods for processing physiological signals For suppressing cardiovascular artifact present in a respiration signal, a cardiovascular artifact filter suppresses artifacts in response to an output signal generated by a cardiotachometer. The output signal is proportional to the fundamental frequency ... | 08/27/1985 |
| 4533926 | Strip chart recorder and medium status Novel strip chart recorders and strip chart recording paper are provided which are cooperable so that the recorder detects the proximity of a terminal edge of the paper, so that the recorder can signal this occurrence to the user enabling him to insert a ... | 08/06/1985 |
| 4520830 | Ultrasonic imaging device For medical examination purposes, an ultrasonic imaging device in which ultrasonic pulses are transmitted into a body of a patient and reflected therefrom. The reflected pulses are converted from ultrasonic to electrical signals by electro-acoustic elemen... | 06/04/1985 |
| 4519396 | Fetal heart rate monitor apparatus and method for combining electrically and mechanically derived cardiographic signals Apparatus and method for continuously monitoring the fetal heart rate simultaneously using ultrasonic and electrocardiographic signals. The signals are continuously processed to provide an improved output fetal heart rate indication in terms of better con... | 05/28/1985 |
| 4513295 | Method for recording medical information on a strip chart For recording medical information on a strip chart by a strip chart recorder associated with a fetal monitoring device, a communication is initially entered into a data entry system which includes a switching membrane having a plurality of switches formin... | 04/23/1985 |
| 4513294 | Physiological trend data recorder A strip chart recorder and method for recording trend signals representative of a physiological condition on a strip chart responsive to the occurrence of an alarm condition. Trend signals representative of said physiological condition in the past are sto... | 04/23/1985 |
| 4489726 | Apparatus and method for qualitatively selecting between signals representative of a physiological characteristic Apparatus and method for continuously monitoring the fetal heart rate simultaneously using ultrasonic and electrocardiographic signals. The signals are continuously processed to provide an improved output fetal heart rate indication in terms of better con... | 12/25/1984 |
| 4488812 | Photometric apparatus A photometric analyzer and method are disclosed for analyzing particle containing samples. More particularly, a nephelometric apparatus and method are disclosed for analyzing baceteria samples. In the disclosed embodiment, the bacteria count of a bacteria... | 12/18/1984 |
| 4476871 | Monitoring of cervical dilatation during labor A device for use in monitoring cervical dilatation during labor. The device comprises an elongated member having a longitudinal axis, the member being adapted to be positioned between a fetal presenting part and a cervix; and means for measuring the reces... | 10/16/1984 |
| 4468678 | System for controlling a strip chart recorder A system for selectively removing a recording means from a strip chart scale to avoid marking undesired data thereon.... | 08/28/1984 |
| 4461302 | Coupling of multiple physiological signals across an isolation barrier A system for coupling a plurality of physiological signals across an isolation barrier. A plurality of physiological signals received at a number of signal inputs on the isolated side of the barrier are sampled during separate time periods and coupled to ... | 07/24/1984 |
| 4437467 | Apparatus for monitoring fetal heartbeat and the like An apparatus for use in monitoring fetal heartbeat and the like. The apparatus includes a tubular member having a distal end adapted to be inserted through the vagina and cervix of a woman in labor. A coil is movably mounted in the tubular member and is a... | 03/20/1984 |
