"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7335844 | Keypad assembly for electronic device A keypad assembly for an electronic device is disclosed. The keypad assembly includes a light guide plate through which a light moves, a plurality of first key buttons on the top surface of the light guide plate, a plurality of reflecting patterns on the bottom surf... | 02/26/2008 |
| 7203998 | Composite knob with light pipe leakage barrier A composite knob including an injection molded translucent core having a side wall and a top wall with light pipe window or a light pipe opening formed in these walls. A trim ring is positioned on the core and has an opening therethrough to align with the light pipe... | 04/17/2007 |
| 7096776 | Display device for beverage pitcher or coffee machine An apparatus is disclosed comprising a display device or indicator device and a timer circuit. The display device can be placed in a first or a second state. In the first state the display device provides a first visual indication of a first type of beverage which i... | 08/29/2006 |
| 7070290 | Input device An input device allowing the user to quickly differentiate between the input states is provided. The input device includes a cap, a first light source, a second light source and a control module. The first light source radiates a first light of a first color and the... | 07/04/2006 |
| 6951353 | Medication record system and dispenser The present invention relates to a medication management system that is simple, reliable and extremely easy to use. It comprises a label having a plurality of raised tabs that are depressed upon taking a medication to provide a tactile and a visual record of medicat... | 10/04/2005 |
| 6847783 | Instant camera and recording apparatus A camera body of an instant camera is provided with four light sources LED1 to LED4 for a display. The four light sources LED1 to LED4 flash on and off in mutually different display modes in accordance with the state of progress of a seri... | 01/25/2005 |
| 6789206 | Compute element A compute element which functions at a plurality of different power and operational states comprises a chassis which is shaped to include an interior cavity. A motherboard responsible for regulating the operational state of the compute element is disposed within the... | 09/07/2004 |
| 6628192 | Circuit breaker flower A push-pull circuit breaker is provided primarily for use in aircraft; wherein, the activation of the circuit breaker is made significantly more noticeable by the addition of a "flower" device. Specifically, as the center post of the circuit breaker deplo... | 09/30/2003 |
| 6570480 | Circuit breaker A circuit breaker includes a shell with a hollow button at the top. The button has an indicator light received therein and a central tab extending downward. A first blade, a second blade and a grounding prong extend out of the shell through the bottom of ... | 05/27/2003 |
| 6564696 | Display device for beverage pitcher or coffee machine An apparatus is disclosed comprising a display device. The apparatus may also be comprised of a beverage pitcher onto which the display device can be placed. The display device can be placed in a first or a second state. In the first state the display dev... | 05/20/2003 |
| 6558013 | Light-emitting key with multiple independently-illuminated messages, in particular for an aviation equipment panel, and a strip constituted by such keys The invention relates to a light-emitting key with multiple independently-illuminated messages for fitting to an equipment front panel, in particular for aviation equipment, the key comprising a bearing rim and a hollow key body terminated by a front, dri... | 05/06/2003 |
| 6523688 | Device for use in measuring, storing, dispensing and recording consumption of liquid A vessel is constructed dispensing and displaying a measured quantity of water by a graduated scale along the side wall of the vessel. The consumption of each measured quantity of water is tallied by actuation of one of a plurality of tactile buttons. In ... | 02/25/2003 |
| 5883570 | Decorative door bell actuator The invention is a decorative cover/actuator which can be used as a stand alone device or in combination with a door bell. The cover is pivotally mounted on a surface with an adjustable lever extending out the back of the cover. When the cover is pressed ... | 03/16/1999 |
| 5357080 | Cooktop with control surface on frame leg A cooktop includes a cooking surface preferably having a plurality of cooking locations. A cooktop frame to be inserted into a kitchen work counter surrounds the cooking surface and has a frame leg protruding above the cooking surface. The frame leg has a... | 10/18/1994 |
| 5289929 | Tamper indicating means for vacuum closures This relates to the provision of a vacuum actuated button type closure with a tamper indicating arrangement which will visually indicate when a container has been opened or more particularly when the vacuum within a vacuum packed container has been lost. ... | 03/01/1994 |
| 5265744 | Tamper-proof cap A tamper-proof cap for containers, bottles and the like comprising a first driven member and a second drive member concentrically mounted on the first member and having a window through which a visible signal may be observed by a viewer. A rupturable caps... | 11/30/1993 |
| 5040479 | Illuminated multiple color button and method of manufacturing the same A multiple color illuminated button to control a device or functions of a device. The button has a first color for the letters and a second color for the graphics when the button is not illuminated and a third color for the letters and a fourth color for ... | 08/20/1991 |
| 4771725 | Push button indicating device In a push button indicating device including a first slide member having an operational portion formed with an indicating portion on a front surface thereof, a second slide member slidably supported to the first slide member and having a substantially sec... | 09/20/1988 |
| 4688512 | Backlighted trip indicator A back lighted trip indicator for a circuit breaker comprising an opaque tubular shield and a light translucent prism telescopically received in the shield and movable from a position totally within said shield when the manual operator is in the "ON" posi... | 08/25/1987 |
| 4681061 | Button indicator and switch assembly A flush mounted indicating button assembly and operating button assembly each connected to a cover having a pair of holes which receive identical buttons of the assemblies. Each button includes a circular head portion having a flat top surface and a circu... | 07/21/1987 |
| 4420264 | Structure for preventing the rotating of a register ring of a diver's watch A diver's watch having a watch case and a register ring which is rotatably mounted on the watch case to set a diving time. The register ring has a plurality of notches on the underside thereof and is urged by clicks made of spring plate and held by a hold... | 12/13/1983 |
| 4302650 | Circuit interrupter with optical indicator A circuit interrupter with an optical indicator characterized by a housing, a stationary contact structure within the housing, a movable contact carrier structure within the housing and movable between open and closed positions relative to the stationary ... | 11/24/1981 |
| 4287401 | Mode-indicating mechanisms for push-button operated devices An indicating button 10 for a push-push actuated device 11 (e.g., a switch) is mountable on the device's plunger 20 which controls the "on" and "off" states of the device. Button 20 comprises a hollow casing 25 in which is rotatably mounted a quasi-spheri... | 09/01/1981 |
| 4248172 | Film cassette An indicating arrangement for indicating the absence or presence of film in the interior of an X-ray film cassette includes an indicating member movably mounted on one portion of the cassette. Another portion of the cassette which is juxtaposed with the o... | 02/03/1981 |
| 4234869 | Merchandise display and categorical indicators An indicator system for a merchandise display rack indicates a related article as a signal is energized indicating the position of the merchandise on the rack. The signal is timed. Other signals give different indications in the same way and cancel prior ... | 11/18/1980 |
| 4234773 | Display device for a push button assembly The present invention discloses a display device for a push button assembly having, within a push button provided in the front surface thereof with a window, shutters and a display plate of which display surface is faced to said window. Inserted into said... | 11/18/1980 |
| 4191874 | Manually operable switch A manually operable switch wherein at least the externally accessible portion of a pivotally mounted actuator member has a spheroidal configuration. An indentation in the spheroidal configuration enables the actuator member to be operated between predeter... | 03/04/1980 |
| 4173941 | Response tracer audio equalizer amplifier unit having graphic response display A response tracer audio equalizer booster amplifier unit having graphic display of frequency response characteristics for variably boosting the power of output signals from an audio frequency signal source to speakers of a stereo sound system or the like,... | 11/13/1979 |
| 4104981 | Indicator using changeable path through transparent material An indicator comprises first means adapted for emitting a ray of light; and second means having an indicating surface for receiving the ray of light to permit the ray of light to illuminate the indicating surface. The first and second means are movable re... | 08/08/1978 |
| 4052954 | Push button switch mode indicator element A position or mode indicator for a slider mechanism and particularly a slider forming a part of a push button switch. A button type housing is externally fitted to a push button switch and encloses a rotatable member which is secured in the housing in bac... | 10/11/1977 |
| 4031849 | Push button switch position indicator A push button switch position indicator wherein a push button head with a window has a carrier mounted in the head to move longitudinally relative thereto, the carrier carrying a signal surface and at least one shutter which is responsive to the movements... | 06/28/1977 |
| 4024367 | Rocker switch with slidable indicator An electric switch having a case, an actuator and a converter. The actuator and converter are coaxially connected, and below the actuator there is mounted an indicating member with a surface bearing a pre-determined indication, which surface moves in the ... | 05/17/1977 |
| 4023003 | Position indicating button for push-push switch A cylindrical button to be fitted on the end of the push rod of a push-push switch. Outer end of button has lens for viewing indicator having thereon two indicia representing respective switching positions of switch. Indicator is pivotally held on support... | 05/10/1977 |
| 4020309 | Pushbutton switch/annunciator for aircraft instruments The invention comprises apparatus for performing a switching function in aircraft display instruments for providing a high contrast annunciation or indication thereof having a pair of transversal members disposed such that the depression of one of the mem... | 04/26/1977 |
| 3996428 | Pushbutton keyboard assembly with over center diaphragm contact A switch assembly having a plurality of movable elements for connection with underlying fixed contact elements carried by a base member, the movable insulative support sheet mounted on the base member. Each movable element is spaced by an electrically ins... | 12/07/1976 |
| 3977357 | Voting machine A compact, versatile voting machine is disclosed having adaptability for use with various vote registering devices such as tally counters and punch card apparatus. The voting machine includes a selector mechanism having a series of parallel columns housin... | 08/31/1976 |
| 3962986 | Display mileage reminder device for vehicle parts servicing A set of display wheels are jointly driven from a conventional vehicle odometer so as to complete a revolution each time the vehicle travels a predetermined distance of, for example, 10,000 kilometers. Each display wheel has one or more warning zones on i... | 06/15/1976 |
| 3954085 | Self-restoring changeable exhibitor/keyboard A changeable exhibitor, with or without keyboard structure, is rendered self-restoring by use of a flexible strip arranged to lie in a selectable looped position indicative of the data being exhibited or being entered into an associated data processing sy... | 05/04/1976 |
| 3945248 | Wire bond integrity tester A vacuum operated testing device measures the bond integrity of wires connected to integrated circuit modules by applying a known and infinitely variable tensile force to the wire under test.... | 03/23/1976 |