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Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 315/281 - Relatively movable core and coil-type transformer


Subclass of Class 315 - Electric lamp and discharge devices: systems
Definition: Systems in which the transformer is provided with means
No. of patents: 11
Last issue date: 11/11/2008


NumberTitleIssue Date
7449843Transformer for driving multi-lamp and backlight module thereof
A transformer for driving multi-lamps and a backlight module thereof are provided. The transformer comprises a primary winding, a secondary winding, a core, a first bobbin and a second bobbin. The primary winding comprises a primary coil. The secondary winding compr...
11/11/2008
7439684Inductive lamp assembly
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe...
10/21/2008
7312567Image display apparatus provided with a potential supplying member shaped to be in contact with first and second substrates
There are disclosed methods for manufacturing an airtight container and an image display apparatus. Especially, as a constitution of supplying a potential to an electrode in the airtight container, the container is constituted which includes a structure having a con...
12/25/2007
7126450Inductively powered apparatus
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe...
10/24/2006
6741156Rod-core transformer and a lamp cap having a rod-core transformer
A rod-core transformer for use as a starting transformer in the cap of a high-pressure discharge lamp for a motor vehicle headlight. The rod-core transformer has at least two cores (2, 3) which are in the form of rods and are arranged alongside one another, a...
05/25/2004
6404142Starting device for discharge lamp
One of the objectives of the present invention are to provide smaller, lighter and less expensive structure in a starting device for discharge lamp for car use so as to prevent breakage due to vibrations etc . . . And another objective is to attain simult...
06/11/2002
4862042Apparatus and method for forming segmented luminosity in gas discharge tubes
A device for producing and controlling the flow rate of bubble-like ionization discontinuities (30) in a gas discharge tube (10) which includes means to produce an alternating current at a frequency between 1500 and 8000 Hz and a voltage between 2000 and ...
08/29/1989
4745342Method and apparatus for driving neon tube to form luminous bubbles and controlling the movement thereof
According to the present invention, a portion of an applied commercial AC supply (60 Hz) is rectified, filtered and a controllable oscillator in a pulse width modulator chip serves as a signal generator which has both duty cycle and frequency control adju...
05/17/1988
4745340Electric generator system for portable floodlighting equipment
A power supply system for portable floodlighting equipment employing high-intensity electric discharge lamps comprises an alternating current generator having three or more independent armature windings, one for producing independently current at a voltag...
05/17/1988
4293799Power supply systems
A power supply system for operating fluorescent lamps in a hazardous atmosphere comprises a 1 kHz to 500 kHz constant current power supply which feeds primary windings of transformers which are connected together in series. Fluorescent lamps are connected...
10/06/1981
4160193Metal vapor electric discharge lamp system
A lamp system is provided wherein a high radiation intensity metal vapor electric discharge lamp is matched with a controllable regulating transformer which is characterized by having a sufficiently high open circuit voltage for striking an arc across the...
07/03/1979
 
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