Matches 301 - 350 out of 395 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4637732 Hand held athletic officiating timers  
A sports timing device for referees, officials, umpires, coaches and the like. The timer is ideally adapted for football or basketball officiating and it contains circuit means for generating...
4590474 Street crossing signal device for blind persons  
A street crossing signal device for blind pedestrians. The device indicates the directions of pedestrian crosswalks at an intersection, so that the blind person can orient himself in a desired...
4581491 Wearable tactile sensory aid providing information on voice pitch and intonation patterns  
A wearable tactile sensory aid which presents a vibratory signal representative of voice pitch and intonation patterns to the skin. The vibratory signal consists of a constant amplitude square wave...
4560983 Dynamically interactive responsive control device and system  
A general device for the input of information in a binary format through rotational motion is disclosed, having independent means for the simultaneous output of information in a form perceivable to...
4553138 Fire alarm system  
A system for detecting an outbreak of fire, for giving an audible alarm therefore as well as provided with a tactile alarm for disabled persons. This system comprises a main body to be attached to...
4500293 Apparatus for converting electric signals representing data into a group of raised dots constituting the image of said data  
The invention relates to an apparatus for converting electric signals representing data into a group of raised dots constituting the image of said data and comprises a magnetic recording medium...
4484191 Tactile signaling systems for aircraft  
A system for tactilely alerting an aircraft pilot that the aircraft is in an uncoordinated turn condition and for indicating to the pilot the control adjustments required to correct the turn...
4479111 Photo-optical switch apparatus  
Photo-optical switch apparatus provided with integral, positive, mechanical, tacticle feedback mechanism wherein a horizontally disposed biasing spring carried by a light blocking and unblocking...
4408192 Method and device for use by disabled persons in communicating  
A method and device for use by disabled persons in communicating includes sensors (1) for producing first, second, and third time indeterminate electrical signals responsive to different voluntary...
4385586 Escape/rescue system  
An emergency evacuation path marking system employing a series of devices, each device having the tactile characteristics of shape and surface contacts, in combination, to indicate direction and...
4382793 Device for feeling audio amplifier output  
An electrically chargeable plate of predetermined surface area is retained in contact with the skin of each of two participants. An electrical conductor connects each plate to one of the two...
4380759 Apparatus to alert a deaf person  
An apparatus to alert a deaf person made up of an alarm device such as a smoke detector adapted to vibrate when actuated by smoke and a transmitter having a vibration sensor connected to the...
4379697 Stimulator array  
A tactile stimulator is disclosed which comprises a stack of planar sheets of a piezoelectric polymer material, which in the preferred embodiment is PVF 2 . Each sheet has two opposed broad flat...
4368459 Educational apparatus and method for control of deaf individuals in a mixed teaching environment  
Radio signaling apparatus is for use, primarily, in classrooms at all educational levels, elementary school through graduate school, in which a teacher and a mixed body of hearing and deaf students...
4361829 Device for the turn indicator blinker lights of a motor vehicle, especially of a motorcycle  
A device for indicating engagement or operable condition of turn indicator blinker lights of a vehicle, wherein the vehicle is provided with a gripping member adapted to be contacted by the driver...
4352091 Radio pager having optional annunciating means  
A radio paging receiver uses a receiver section for receiving and demodulating paging signals. A decoder section decodes the paging signals and a tone is generated in response thereto. When the...
4342028 Cable drum rotation indicator  
A drum rotation indicator for a power driven cable drum operated by a control lever, which includes an arbor rotatably mounted within the control lever and having an exposed end with a thimble-like...
4333070 Motor vehicle fuel-waste indicator  
A method and electro-mechanical device, for use on motor vehicles, which signals the driver to ease up on the gas pedal whenever he is applying excessive pedal pressure which causes fuel waste. The...
4319081 Sound level monitoring apparatus  
Sound level monitoring apparatus for a deaf person comprises a microphone, a discriminator connected to the microphone to provide an output signal in response to the attainment of a predetermined...
4311999 Vibratory scan optical display  
A raster-type personal display is provided by vibrating an array of fiber optic filaments (32) between display limit (52, 54) by means of an electromechanical exciter (36). One end of the fiber...
4300129 Silent wearable signalling device with tactile means to prevent false triggering  
A concealable signaling, e.g., radio alarm, device worn on the person and actuated by concealed switch means that include mechanical detents. The engagement of the detents provides secret tactile...
4297677 Personal ambient sound referenced annunciator  
A personally worn or portable annunciator device for alerting, warning, training, communicating or diagnostic use for people especially those with hearing impairments. This device which can be...
4266936 Braille display reader  
A portable braille display unit which presents an entire page of braille characters in response to data stored on a storage medium, such as a tape cassette. The display unit is the size of a...
4250637 Tactile aid to speech reception  
A speech signal is input to a microphone (10) and applied through a signal compressor (14) to a filter array (18) consisting of a high pass channel (20), a midfrequency channel (22) and a low pass...
4244120 Acceleration cueing simulation device  
An acceleration cueing simulation device is disclosed for applying sustai, as well as dynamic, acceleration forces to a trainee pilot as he operates an aircraft simulator. The acceleration cueing...
4237449 Signalling device for hard of hearing persons  
There is disclosed a signalling device for making hard of hearing persons aware of an impending happening in his or her proximity. The device comprises a sound transducer such as a microphone for...
4225965 Wrist-mounted communication device  
A communication device adapted to be worn on the wrist to alert the wearer to a transmitted message. The device includes a wrist-mountable housing having a bore positioned to be covered by the...
4203098 Device for preventing dozing while driving a car  
A device for preventing a car driver from dozing during a long distance driving to avoid an accident is described. The device comprises two separate parts electrically connected together by means...
4195802 Kinesthetic tactile display system  
An improved tactile control component for aircraft in which a tactile slide is positively driven through a box rack and pinion system from two oppositely disposed d.c. servo-motor assemblies. These...
4191945 Tactile indicating device  
Electromechanical apparatus for setting up and erasing alpha-numeric characters or other symbols in braille by means of a tactile display. Dot pins simulating braille are supported for movement...
4185283 Multiple character word indication system employing sequential sensible indicia  
A multiple-character-word indication system employs a humanly sensible output in which plural associated characters which constitute a word representing time, temperature, or other information are...
4178592 Fire alarm having a sensor on an extensible arm  
A smoke and fire sensitive alarm system designed for portable operation all electronics, power supply and alarm in a single, compact unit which may be placed on any surface. The sensing portion of...
4178586 Bistable device for representation of a point of a tactile information  
A bistable device for representation of a point of a tactile information having an axially displaceable touch pin, an electromagnet moving the touch pin, and a lower permanent magnet located...
4119811 Photo-vibratory transducer  
An elongated manually manipulable housing contains a photocell at one end for sensing energy levels in the visible frequency spectrum causing said photocell to correspondingly change in electrical...
4115755 Aerodynamic surface load sensing  
The factors (including collective pitch, weight, altitude density, rotor speed and airspeed) which determine the extent to which the rotor of a helicopter may be loaded, are fed into a look-up...
4093944 Silent awakening system with means adapted to induce sleep  
An electronic system for silently awakening a sleeping person without disturbing others sleeping in the same room and, when desired, for inducing sleep in a person unable to fall asleep naturally...
4059830 Sleep alarm device  
In at least one embodiment, a sleep inhibiting device comprises a plurality of ring-like, metallic contacting devices worn on adjacent fingers of a human hand. The contacting devices close an...
4055168 Posture training device  
A posture training device includes in a mechanical-electrical embodiment thereof, an electrically conductive plate divided into two contact zones and slidable upon a support base of one housing...
4033053 Digital segment display to braille converter  
A converter having an electro-optical sensing head for viewing an alpha-numeric light emitting display, generally of the type having multiple segments selectively energized to display different...
4028882 Awakening system with means adapted to relax tense muscles  
An electronic system for awakening especially deaf persons and for relaxing and soothing tired and aching muscles of persons who frequently develop body tiredness from overwork or due to some...
4028502 Apparatus for adapting multi-line telephone instrument for use by the blind  
Apparatus for providing auditory and tactile recognition of a light signal associated with a line-selector pushbutton of a multi-line telephone instrument. A photocell is provided for sensing the...
4025922 Traffic control system  
A traffic control system particularly suitable for aiding the blind includes an interrogating FM radio transmitter-receiving unit, which can be incorporated into a cane or the like, and a...
4008456 Tactile target alerting system  
A close-fitting garment has a pattern of tactile stimulators arranged on surface. The stimulators can be selectively energized from some remote point in accordance with threats to a person wearing...
3996950 Obstacle detection device for use by the blind  
A rollable device, designed to be pushed by a blind person, has a plurality of sensors so spaced and so located upon a wheeled mount as to detect the presence of an object, step, or depression in...
3993407 Polysensory mobility aid  
A polysensory mobility aid comprising first and second signal generating means which produce audio frequency signals, respectively, these signals being coupled to two electrically operable...
3987438 Tactile indicating device  
An apparatus for representing a tactile character, wherein for each touch button there are provided two magnets arranged at least substantially axially behind each other, of which at least one is...
3984708 Electromagnetic tactile stimulator  
An improved electromagnetic tactile stimulator is disclosed for preferable use in a matrix array. A plurality of such stimulators are confronted to impart vibratory impulses of varying intensity to...
3952352 Electronic stroke effectiveness sensor for competitive swimmers  
A bodyworn apparatus that senses and measures the hydrodynamic thrust generated by a swimmer's hands as he strokes his hands through the water. The apparatus consists of pressure sensitive...
3919691 Tactile man-machine communication system  
Operation of a computer system is enhanced by means of a three-dimensional tactile control unit interactively coupled by a software package to the computer. By means of a sticklike mechanism, which...
3914800 Fluid mechanical tactile oscilloscope to augment the five senses  
A tactile imaging interface to the human body is disclosed for operation in combination with an input transducer (typically a solid-state image sensor), and suitable conversion electronics. A fluid...
Matches 301 - 350 out of 395 < 1 2 3 4 5 6 7 8 >