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Patent No. 5421089

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 379/307 - With power supply


Subclass of Class 379 - Telephonic communications
Definition: Subject matter which provides electric power to at least
No. of patents: 7
Last issue date: 04/10/2007


NumberTitleIssue Date
7203851Method and apparatus for detecting and supplying power by a first network device to a second network device
A first network device supplies power to a second network device in communication therewith. The first network device comprises a physical layer device which includes a pulse generator to generate a test signal comprising n sub-pulses to be transmitted to the second...
04/10/2007
6804351Method and apparatus for detecting a compatible phantom powered device using common mode signaling
A method and an apparatus provide for determining whether a data terminal equipment (DTE) device represents a compatible device lacking an independent power supply and adapted to be powered using phantom power over a wired connection from a communications device suc...
10/12/2004
6535601Skill-value queuing in a call center
Calls or other communications requiring a particular skill for handling are placed in a corresponding skill queue in a call center. One of a plurality of different values is assigned to each of the communications in the skill queue, with each of the value...
03/18/2003
5425094Cross point switch with power failure mode
A cross point switch mounted on a telephone-related device such as a telephone. When an alternate power source request signal is low, switches are controlled in response to external data. When the signal is high, a predetermined switch or switches are for...
06/13/1995
5216710Liquid crystal display driver and power supply
A liquid crystal display driver and power supply for use with a telephone dialing circuit reduces the potential of an external power supply to the telephone dialing circuit to a desired voltage level. The reduced potential is then stabilized and a second ...
06/01/1993
4511763Floating dc current source for a subscriber loop circuit
Under an off-hook condition a pulse width control circuit is periodically turned on by narrow pulses from a clock source. This initiates current flow from a primary dc source via the single primary winding of a transformer, and through power transistors c...
04/16/1985
4051391Current-operated circuits and structures
Current-mode OR gates useful, for example, in telephone cross-point switch systems. A current-mode OR gate withdraws an output current of predetermined level at its output terminal whenever an input current of sufficient level is applied to one or more of...
09/27/1977
 
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