Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 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 transmitter. The vibration sensor is supported in engagement wit... | 04/19/1983 |
| 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 PVF2. Each sheet has two opposed broad flat faces and at least one tactile surface at one longi... | 04/12/1983 |
| 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 participate in a lecture and discussion situation with th... | 01/11/1983 |
| 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 of a vehicle, such as a grip of a handlebar of a motorcycl... | 11/30/1982 |
| 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 center of slide switch is in normal position, the tone signal... | 09/28/1982 |
| 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 recess. An electric motor rotates the arbor, and the moto... | 07/27/1982 |
| 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 device utilizes a vacuum-operated electric switch that de... | 06/01/1982 |
| 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 sound level threshold in the ambient sound detected by the ... | 03/09/1982 |
| 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 optic filaments (32) is cantilever mounted to an array of lig... | 01/19/1982 |
| 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 information back to the wearer. The presently preferred emb... | 11/10/1981 |
| 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 activated locally or remotely has as one of its means of gener... | 10/27/1981 |
| 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 conventional braille page, and the display unit may be made port... | 05/12/1981 |
| 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 channel (24). The outputs of the filter array (18) are pre... | 02/17/1981 |
| 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 device comprises a pair of Helmholtz coils for generating ... | 01/13/1981 |
| 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 converting sounds to electrical signals, an amplifier for a... | 12/02/1980 |
| 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 wearer's wrist, a probe movably mounted in the housing for sel... | 09/30/1980 |
| 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 of an electric cord. One of said parts comprises a housing ... | 05/13/1980 |
| 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 assemblies include a relatively high RPM motor associated... | 04/01/1980 |
| 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 within holes in a display plate to a position protruding ther... | 03/04/1980 |
| 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 indicated sequentially through the use of sensible (audibl... | 01/22/1980 |
| 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 cooperatively adjacent the lower pole of the electromagnet and c... | 12/11/1979 |
| 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 the alarm circuit is mounted remotely by virtue of a teles... | 12/11/1979 |
| 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 conductivity. A portable power source in the housing is co... | 10/10/1978 |
| 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 table, and the permissible acceleration normal to the rotor is... | 09/19/1978 |
| 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 is disclosed. The system consists of a signal triggering me... | 06/06/1978 |
| 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 electrical circuit when brought into mutual contact as a result... | 11/22/1977 |
| 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 section of the device. One end of the plate is operatively co... | 10/25/1977 |
| 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 characters, the converter including decoder means for accepti... | 07/05/1977 |
| 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 organic illness is described. The systems comprises an electric... | 06/14/1977 |
| 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 light signal. An oscillator generates a sine wave voltage w... | 06/07/1977 |
| 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 responding FM radio receiver-transmitter unit operatively associate... | 05/24/1977 |
| 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 the garment. The stimulators are controlled by a radio r... | 02/15/1977 |
| 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 the path of the user, and in so doing actuate electrical me... | 12/14/1976 |
| 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 stimulating devices which provide both tactile and auditory stimul... | 11/23/1976 |
| 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 an electromagnet, and which magnets by electrical excitatio... | 10/19/1976 |
| 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 the skin of a subject to augment typically lost sensual m... | 10/05/1976 |
| 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 transducers that convert the amount of thrust into electric signal... | 04/27/1976 |
