Patents for G09B 23 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes (20,724)
03/1998
03/11/1998EP0794728A4 Method and system for producing interactive, three-dimensional renderings of selected body organs having hollow lumens to enable simulated movement through the lumen
03/11/1998CN2276185Y Model for butterfly convex spreading wings
03/03/1998US5722836 Reflected-image videoendoscopic surgical trainer and method of training
03/03/1998US5722413 For demonstrating relationship of blood pressure to simulated heart
03/01/1998CA2184416A1 Make-u-study-game
02/1998
02/25/1998EP0825582A1 Simulation system
02/25/1998CN2275269Y Intelligent picture arrangement
02/24/1998US5721566 Method and apparatus for providing damping force feedback
02/24/1998US5720645 Balancing toy set
02/24/1998US5720618 Vacuum teaching device
02/24/1998US5720615 Educational device for aiding in the projection of views of an object
02/19/1998WO1998007129A1 Method for following and imaging a subject's three-dimensional position and orientation, method for presenting a virtual space to a subject, and systems for implementing said methods
02/19/1998CA2213307A1 Multi-sided colored mirror image block set
02/12/1998DE19640079A1 Model for playful determination of alterations in world environment
02/11/1998EP0822786A1 Image sound and feeling simulation system for dentistry
02/05/1998WO1998000007A3 Multi-purpose demonstration device
02/05/1998CA2258774A1 Color cube model
02/04/1998EP0822531A1 Phantom for simulating surgical interventions on bones
02/04/1998CN2273883Y Demonstration instrument for taper curve
02/04/1998CN1172316A Module set for splicing defined graph
01/1998
01/29/1998WO1998003954A1 System for training persons to perform minimally invasive surgical procedures
01/14/1998EP0758477B1 Device and method for simulating an examination of or surgical operation on a simulated organ
01/08/1998WO1998000007A2 Multi-purpose demonstration device
01/06/1998US5704791 Virtual surgery system instrument
01/06/1998US5704790 Methods of playing games which enhance mathematical understanding
01/02/1998DE19624572C1 Teaching aid permits observation of earth-dwelling insects in-situ
12/1997
12/31/1997CN2271738Y Areometer densimeter lab instrument
12/24/1997CN1168518A Apparatus for guiding hand-acupuncture
12/23/1997US5700459 Polybase and polyacid, one of which is a polymer, active material comprising antiinflammatory agent, antibiotic, enzyme inhibitor
12/17/1997CN2271009Y Electrolytic water experimental facility
12/17/1997CN2271008Y Electromagnetism demonstration box
12/11/1997DE19623907A1 Pyramid shape and formulation
12/10/1997CN2270256Y Model for learning solid geometry
12/10/1997CN2270255Y Multifunctional quadrature and fraction demonstration model for primary school
12/09/1997US5695344 Device for demonstrating dynamics of orbiting bodies
12/04/1997DE19623276A1 Model for demonstrating existence of magnetic force
11/1997
11/27/1997WO1997044768A1 Reflected-image videoendoscopic surgical trainer
11/26/1997EP0808623A1 Apparatus for guiding hand-acupuncture
11/26/1997CN2268967Y Human body model for breathing action
11/26/1997CN2268966Y Acoustic resonation experiment device sensed by electromagnet effect
11/26/1997CN2268965Y Multifunctional pyramid model for demonstration
11/26/1997CN1036551C Stereo Taiji ball
11/19/1997EP0758863B1 Radiographic phantom for vertebral morphometry
11/19/1997CN2268283Y Illuminant-pointer type demonstration electric meter
11/19/1997CN1165356A Suspension electromagnet experimental apparatus
11/18/1997US5688118 Image sound and feeling simulation system for dentistry
11/12/1997CN2267497Y Teaching article box for pupil to learn math
11/12/1997CN1164722A Rotating magnetic generating demonstration instrument
11/12/1997CN1036426C Module type element box for electronic teaching board
11/12/1997CN1036425C Optical amplification type galvanometer with low internal resistance
11/12/1997CN1036424C Same plane couple equivalent theorem demonstrator
11/05/1997EP0804786A1 Method and apparatus for providing high bandwidth, low noise mechanical i/o for computer systems
11/05/1997CN2266765Y Dismountable transformer and its principle demonstrating device
11/05/1997CN2266764Y Picture arrangement learning card
10/1997
10/30/1997DE19710498A1 Appliance for refuting second law of thermodynamics
10/30/1997DE19628997C1 Polyvinyl chloride or noble metal models of the thyroid gland in stepped sizes
10/29/1997EP0803114A1 Method and apparatus for providing mechanical i/o for computer systems interfaced with elongated flexible objects
10/29/1997CN2266175Y Electronic blocks toy
10/29/1997CN2266174Y Solid geometry teaching aid
10/29/1997CN2266173Y 几何教玩具 Geometric Toy
10/29/1997CN2266172Y Portable multipurpose ruler
10/23/1997DE19615881A1 Device with electrolyser, fuel cell and hose connections for fuel cell product gases
10/22/1997EP0694142A4 Modular laboratory equipment and coupling system
10/22/1997CN2265566Y Pupil light reflection simulation instrument
10/22/1997CN2265565Y Experiment instrument for damp and forced vibration
10/21/1997US5680590 Simulation system and method of using same
10/21/1997US5679005 Model of corrected transposition of the great arteries
10/21/1997US5678489 Electrically-operated moving body travelling on a rail capable of explaining free quadrants described in the mobius theorem
10/16/1997DE19614670A1 Simulator for thermal and mechanical loadings on teeth
10/15/1997EP0800697A1 Method for reproducing three-dimensional objects, device therefor, and resulting objects
10/15/1997CN2264948Y Instrument for horizontal projection and collision experiment
10/15/1997CN2264947Y Multivariable solid geometrical plastic model
10/15/1997CA2214705A1 Apparatus mimicking viscosity of fluids
10/14/1997US5677956 Method and apparatus for data encryption/decryption using cellular automata transform
10/14/1997US5677750 Apparatus for and method of simulating ocular optical system
10/14/1997US5676550 Plate tectonic earth planet model
10/12/1997CA2215648A1 Apparatus mimicking viscosity of fluids
10/09/1997DE19613296A1 Teaching aid for demonstrating circular motion
10/08/1997CN2264397Y Vission regulation demonstrator
10/08/1997CN2264396Y Multifunctional electronic module insertion tester
10/08/1997CN2264395Y Superconductive demonstrator
10/08/1997CN2264394Y Asynchronous dragging damping eliminating harmonic oscillator
10/01/1997CN2263812Y Toy board for plug-in electronic component
09/1997
09/30/1997US5672059 Orthopaedic human skeletal demonstration aids
09/30/1997US5672058 Human pre-natal development dolls
09/24/1997CN2263382Y Steam turbine impeller flow state display device
09/24/1997CN2263381Y Bernoulli equation experimental instrument
09/18/1997WO1997034278A1 Dental models
09/18/1997WO1997033670A1 Set of pieces for forming a recreational, educational or decorative assembly of spherical elements such as construction games, crystallography or mathematics models
09/17/1997EP0794728A1 Method and system for producing interactive, three-dimensional renderings of selected body organs having hollow lumens to enable simulated movement through the lumen
09/17/1997CN2262735Y Airflow rotation demonstrator
09/17/1997CN2262734Y Dimonstrator for object sink and float conditions
09/16/1997US5668954 Instructional CD player
09/16/1997US5667387 Telecommunications cables education and testing apparatus
09/12/1997WO1997033263A1 Surgical model
09/12/1997CA2199767A1 Computational teaching device
09/04/1997DE19607384A1 Angular display unit, e.g. for use in schools to represent different angles
09/03/1997CN2261659Y Multifunctional assembled optical instrument
09/02/1997US5662228 Anatomy table
08/1997
08/29/1997CA2170541A1 Simulated rock and fossil kit