U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The production of too many useful things results in too many useless people."

Karl Marx

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 340/815.48 - Pushbutton


Subclass of Class 340 - Communications: electrical
Definition: Subject matter in which a manual actuator must be depressed
No. of patents: 31
Last issue date: 10/14/2008


NumberTitleIssue Date
7436317Electric device with a user guide
An electric device comprising a plurality of operating elements which can be operated by a user. Said device is associated with a status display device, and it also comprises a control logic unit which is coupled to the operating elements in order to detect user ope...
10/14/2008
6956561Keypad backlighting of mobile terminal
A keypad backlighting apparatus includes an electroluminescence layer for lighting an input device of an electronic apparatus. The input device may be a keypad and the electronic apparatus may be a mobile communications terminal. The terminal includes an upper case ...
10/18/2005
6750760Door chime assembly and method
Some embodiments of the present invention enable a user to select from different appearances and sound types by providing different door chime assembly housing covers. The housing covers can be different in shape, size, appearance, and/or acoustic property, and pref...
06/15/2004
6744374Setting device with rotating actuator and illuminated index display
A setting device includes a rotating actuator, a switch, an illuminated index display on which a value which is manually set at the rotating actuator is assigned to the rotating actuator and, by actuating the switch, the manual setting at the rotating actuator can b...
06/01/2004
6727825Structure of string resistor body in an operation panel device
An operation panel 30 is provided with a plurality of operation buttons 36. A string-like resistor body 41 is held in a resistor holding plate 31. The resistor body 41 has a tube-like elastic outer resistor member 42, an inn...
04/27/2004
6646547Light-producing warning device for skateboard
A light-producing warning device for skateboard includes a case connected to an underside of a deck of the skateboard for accommodating batteries; a control circuit unit mounted in the case to electrically connect to the batteries and including a switch; ...
11/11/2003
6617975Keyless entry system for vehicles in particular
A wireless remote-control transmitter includes means for entering an identification code so that only an authorized operator can use the device. Use as a keyless entry system provides the owner of a vehicle equipped with a wireless receiver with an additi...
09/09/2003
6509839Control lever for earth moving machines
A control lever for earth moving machines a plurality of control pushbuttons able to be connected to a plurality of devices of an earth moving machine and to be selectively activated between a condition of operation and a condition of non operation of the...
01/21/2003
6262653Light flashing apparatus
The light flashing apparatus of the present invention is a four-button control switch in conjunction with an electronic circuit which is installed within an existing light switch junction box and replaces conventional switches. In addition to the two conv...
07/17/2001
6201905Optical switch with controlled voltage output
An optical switch of the push button type for producing a variable control signal which is proportional to the position of the push button includes a housing, having a first interior wall and a second interior wall, and a push button which extends into th...
03/13/2001
6195017User interactive display for batting cage with pitch height indicator lamps and strike zone
The invention is a user control panel for a pitching system with a pitching mechanism. The control panel allows a user to separately control ball speed and tilt angle. The control panel also displays an estimated height at which the ball will cross the pl...
02/27/2001
6121889In-wall electronic timer
An in-wall mounted electric timer comprising a housing for mounting in an electric box in a wall. The electric timer comprises a user interface on the housing. The user-interface comprises an input panel and a display. The electric timer further includes ...
09/19/2000
6107930Security system keypad illuminated by proximate motion
A security interface device, such as a keypad, includes a proximity detector sensing a human approach and operating a light source to enhance illumination of the device in response to such approach. A timing device switches the illumination source off aft...
08/22/2000
6020824Panel instrument
A panel instrument apparatus of reduced size, comprising a printed circuit board on which light emitting elements and switches are mounted, and a panel cover to the rear of which the front face of the printed circuit board is attached. The panel cover com...
02/01/2000
5930416Ambient light and dust protection for a mechanically operated optical switch
An optical switch operating mechanism including a housing cooperatively preventing dust and light from easily reaching an optical switch supported within the housing. The housing includes integrally formed spaced apart slots for receiving the optical swit...
07/27/1999
5790037Polarity indicator for a battery
A polarity indicator (10) for identifying the polarity of the terminals (104 and 106) of a vehicle battery (102). The indicator includes a housing (12) which is mounted by a fastener (14) on to the vehicle battery. The top wall (12A) of the housing has po...
08/04/1998
5682259Bus powered manually actuatable integrated pilot light/contact/communications module
A manually actuatable integrated pilot light/contact/communications module connecting to an associated output device also having a communications module by means of a common communications link. The integrated pilot light/contact/communications module has...
10/28/1997
5659297Display system
A pushbutton of a switch assembly has an improved display system which includes a housing formed of an electrically insulating polymeric material. A solid-state display system is disposed within the housing. The solid-state display system includes an arra...
08/19/1997
5402114City bus line enquiry machine
A city bus line enquiry machine includes a diode selector circuit, which includes a plurality of key switches marked with respective names of bus stops and a plurality of light emitting diodes marked with respective bus line codes and connected to the key...
03/28/1995
5223678Replacement elevator call button unit
A replacement elevator call button unit which may be electrically connected to an elevator controller having first and second power supply lines and having an elevator call registering terminal. The replacement unit includes an electronic switch (preferab...
06/29/1993
5162665Elevator call button/annunciator assembly and circuit
A vibration-resistant elevator call button/annunciator assembly comprises: a switch housing defining an interior cavity and apertures opening into the cavity; a switch mounted in the housing; a switch actuating member movably disposed in the cavity; a res...
11/10/1992
5045841Electronic thumbwheel switch
An electronic thumbwheel switch includes an up/down counter for storing a thumbwheel count value. A display device is coupled to the up/down counter for displaying the count value. A manual input switch is coupled to the up/down counter for selecting a de...
09/03/1991
5027103Arrangement for visually indicating the readiness of a vehicle alarm system
In order to visually indicate the readiness of a vehicle alarm system or the locked condition of a vehicle door, an electro-optical indicating element is inserted into the locking button of a vehicle locking system. The light-emitting diode, during the pu...
06/25/1991
4874224Vehicular display view control system
A view control prism display system in which the viewable angle of an informational display (15) is controlled and limited to certain desired areas (17) by utilizing the reflective and refractive properties of an optical prism element (10) used in associa...
10/17/1989
4711045Apparatus for documentless order picking of goods
The quantity display 22 of an apparatus for documentless order picking consists of a cover (36) which is preferably made from plastic and leaves a display panel (38) for a luminous display (24). Led through the cover (36) is an actuating button (50) for a...
12/08/1987
4625263Illuminated control panel for communication apparatus, particularly for car radio or radio-recorder combination
To provide for easy identification of the location of pushbuttons or other similar operating elements of an automobile radio, even in the dark, light guides which provide for function indication and positioned above the respective pushbuttons extend later...
11/25/1986
4454596Free-programmable, modular control system with integrated user definable display and operating devices
A display and control element is described which comprises several lighted push buttons which are--if necessary--mutually resetable and are mounted on a board insertable into a casing. The operating of the individual lighted push buttons as well as the op...
06/12/1984
4295127Information display device
To provide for alphanumeric representation, for example to indicate speed limits, traffic signals and the like, a frame forming a flat plate and defining a display surface is formed with grooves in which electromagnetically operated indicating elements ar...
10/13/1981
4134107Replacement elevator call button assembly
A direct replacement unit for an elevator touch button of the type which uses a voltage dropping gas tube. The replacement unit includes a series circuit, containing a relay coil, a zener diode, an indicator lamp, and a parallel circuit. The parallel circ...
01/09/1979
4131777Pushbutton electrical switches and pushbuttons therefor
Pushbuttons which are especially useful in illuminating pushbutton electrical switches are provided which have a hollow housing with an open face and sides extending inwardly from said face to an open rear end wherein said face constitutes a frame in whic...
12/26/1978
4016561Push button switch with indicator
A switch comprises a housing and a shaft movable into and out of the housing with two circuit paths carried by the housing and adapted to be interconnected only during movement of one of the paths across the other path. Means are provided for moving the o...
04/05/1977
 
Sign InRegister
Username  
Password   
forgot password?