Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7279652 | Push button switch assembly A switch assembly includes a unitary push button housing including an actuable button, a retainer having a first surface and a second surface, in which the retainer is secured within the push button housing, a snap dome secured on the first surface of the retainer, ... | 10/09/2007 |
| 7170021 | Electrical switch rocker and assembly A rocker switch assembly has several rocker shells that define cavities to receive inserts of several varieties that allow the user to provide several rockers in a side-by-side assembly of rocker switches with a wave pattern that allows each switch to be easily iden... | 01/30/2007 |
| 7041924 | Housing for an electronic key The invention relates to a housing (10) for a key, especially for use in motor vehicles. Said housing consists of electric and electronic components (32) disposed therein and arranged at least partially on a plate (31); a recess which can be cov... | 05/09/2006 |
| 6911971 | Computer and method providing for illumination of keyboard The computer of the present invention is provided with a main body on which keys to be operated by the user are disposed and a display unit that displays an image in accordance with each operation executed for the main body. Each key disposed on the main body is com... | 06/28/2005 |
| 6747402 | EL element lighting unit employing the same EL element An EL element includes plural light transmitting front-electrodes forming plural lines by wiring and plural back-electrodes forming plural lines by further wiring. The front-electrodes are angled relative to the back-electrodes and a light-emitting layer is disposed... | 06/08/2004 |
| 6593530 | Electrical switch identification plate with replaceable insert members An electrical switch identification plate for mounting to a wall has an opening formed in the plate and pair of cavities disposed above and below the opening. A pair of screw holes are formed through each cavity at a center portion thereof. A pair of bore... | 07/15/2003 |
| 5805041 | Electronic trip unit conversion kit for high ampere-rated circuit breakers A field-installable circuit breaker trip actuator unit includes a flux shifter unit that interfaces with the circuit breaker operating mechanism and is installable without dismantling the circuit breaker components. The flux shifter unit responds to an el... | 09/08/1998 |
| 5669485 | Rotary switch knob assembly with interspersed radial labeling A rotary switch knob assembly (100) includes one or more circular knobs (101) having a plurality of interspersed labeling configured radially at least partially about the knob. The labeling including a first set of characters (105) and a second set of cha... | 09/23/1997 |
| 5605225 | Push-pull type latching control button, in particular for actuating an electrical component In a push-pull type latching control button, in particular a button for operating an electrical component, a main plunger of the control button is associated with an auxiliary plunger through which a shank of a control member can actuate the main plunger.... | 02/25/1997 |
| 5477942 | Push button assembly An electronic push button assembly, used as a call and signal generator in elevator controls and installed, via rear surface attachment, in a service control station or indicator board at floor stops and in elevator cars, consists of a push button guide, ... | 12/26/1995 |
| 5398825 | Warning sleeve for a pendant control A tubular warning sleeve for surrounding a pendant cord above a control station of an apparatus having a pendant control, the warning sleeve comprising a sheet of flexible material having opposite ends, the sheet including an outer surface having thereon ... | 03/21/1995 |
| 5381119 | Circuit breaker trip unit interlock A circuit breaker including a trip unit interlock. The trip unit interlock provides a trip unit having a plug connectable with a mating plug which is slidable with respect to the circuit breaker. The trip unit engages a pair of pins mounted to the circuit... | 01/10/1995 |
| 5367133 | Keypad including membrane with replaceable key elements A keypad (10) comprises a membrane having a plurality of switch actuating portions (41). The keypad (10) further comprises key portions (44) corresponding to said switch actuating portions (41) and located on an opposite side of the membrane to said switc... | 11/22/1994 |
| 5164723 | Configurable keyboard A keyboard has a plurality of key operated switches, each including a key having a manually engagable key surface. The keyboard selectively determines the function produced by operation of the key operated switches, and displays on each key its current fu... | 11/17/1992 |
| 5151696 | Multi-function keyboard for remote control apparatus A remote control apparatus has a plurality of manipulating buttons fitted in a plurality of windows, respectively, formed in a casing member, each of the manipulating buttons being formed of a transparent material and having a lower portion provided with ... | 09/29/1992 |
| 5038008 | Member for controlling a device such as an electric switch of the kind shaped as a pivoting lever A member for controlling a device of the type shaped as a pivoting lever mounted in a case so that at least one end thereof may swing between a position retracted into the case and a position in which it would project at least partially from the case to b... | 08/06/1991 |
| 5008503 | Switch with colored indicator cap An electrical switch includes a rocker-type actuator molded of plastic and adapted to be pivoted between first and second positions within a housing in order to close and open switch contacts. The actuator includes an enlarged molded head and a separately... | 04/16/1991 |
| 4962290 | Shaft position indicating and display means with adjustable mounting adapter A mechanism for providing electrical or pneumatic signals indicative of the rotation position of a rotatable shaft includes a switch housing mounted on a base with a cam shaft passing upward through the base and supporting one or more cam elements for coo... | 10/09/1990 |
| 4942275 | Control panel face A control panel face for mounting at least one control member. The control panel face includes a base having a face surface onto which at least a portion of the control member is positioned, at least a portion of the face surface being magnetic; a flexibl... | 07/17/1990 |
| 4796154 | Molded case circuit breaker with contact status indicating handle An integrated electronic trip molded case circuit breaker includes a trip unit circuit arranged on a printed wire board contained within the breaker enclosure along with at least one circuit breaker auxiliary accessory. The condition of the integrated cir... | 01/03/1989 |
| 4786885 | Molded case circuit breaker shunt trip unit An integrated protection unit is a circuit breaker which includes basic overcurrent protection facility along with selective electrical accessories. A molded plastic accessory access cover secured to the integrated protection unit cover protects the acces... | 11/22/1988 |
| 4755072 | Removable, transparent, colored key caps for color coding a keyboard A flexible cup-shaped keyboard cap formed from transparent colored plastic enables a subset of keys to be distinguished by color while maintaining visibility of the key designation.... | 07/05/1988 |
| 4441001 | Keyboard for inputting plural letters or symbols A keyboard for inputting plural letters or symbols includes a number of switches, each of which has its associated letter or symbol displayed in a transparent window adjacent thereto. The keyboard is arranged such that a display card located beneath the t... | 04/03/1984 |
| 4421966 | Keyboard elastomeric cover with buttons having changeable legends A keyboard elastomeric cover which includes buttons or keys having changeable legends, sealing means for sealing the cover to a switch subassembly and alignment bosses or posts coacting with the subassembly to maintain proper alignment between the buttons... | 12/20/1983 |
| 4377049 | Capacitive switching panel An improved selection panel having a plurality of touch-actuated capacitive switches thereon. Each capacitive switch in the panel includes a transparent glass substrate having transparent conductive coatings on opposite sides thereof to form a capacitor. ... | 03/22/1983 |
| 4355211 | Push button key modules The invention enables individual buttons to be replaced on a push-button telephone without disturbing the other buttons. Each button is retained in position by lugs formed on the lower portion of the button which engage underneath the edges of a hole formed in... | 10/19/1982 |
| 4075465 | Keyboard overlay An exchangeable overlay for changing the character representations associated with the keys of a keyboard. The overlay is disposed on the keyboard and has openings to receive each key thereof with the inner portion of each opening above an associated key ... | 02/21/1978 |
| 4066850 | Keyboard switch assembly having interchangeable cover plate, indicating layer and actuator switch assembly in any operative combination A printed circuit keyboard assembly is disclosed comprising a waterproof jacket portion which includes a cover member overlying a sheet of raised key-tip portions, the jacket portion being releasably mounted to a position adjacent the waterproof switch ma... | 01/03/1978 |
| 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 |
| 3996441 | Switch with rocker actuator having detachable cover A miniature switch with a removable cap on the actuator, so that any cap may be replaced with another of different appearance.... | 12/07/1976 |
| 3946171 | Multiple pushbutton switch assembly for telephone sets and the like For telephone sets and similar forms of apparatus in which pushbuttons are mounted more or less flush with the outside surface and actuated by pivoting, a series of such pushbuttons are mounted on a shaft secured in a housing. The pushbuttons are mounted ... | 03/23/1976 |
