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Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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Class 323/230 - Inverse parallel


Subclass of Class 323 - Electricity: power supply or regulation systems
Definition: Subject matter wherein a pair of diodes are connected in
No. of patents: 13
Last issue date: 07/25/2006


NumberTitleIssue Date
7082019Method and apparatus to protect solar cells from electrostatic discharge damage
Methods and apparatuses are disclosed for protecting solar cells from cellular degradation caused by an electrostatic discharge pulse. In one embodiment, a diode may bypass current generated from an electrostatic discharge so that the pulse current does not reverse ...
07/25/2006
7026799Circuit assembly for operating a luminous signal
The invention relates to a circuit assembly for operating a luminous signal, particularly an LED signal, comprising at least one light-emitting diode (D) to which a resistance (R) is serially connected and a control (St) is connected in parallel. In order to adjust ...
04/11/2006
7005943Filter for segmenting power lines for communications
There is provided a method for blocking a portion of energy of a signal in a power line. The method includes equipping a high frequency magnetic core with a coil, connecting a capacitor across terminals of the coil to create a resonant circuit that resonates at a fr...
02/28/2006
6717830MOS circuit for lowering forward voltage of diodes
A circuit for lowering the effective voltage drop of a semi-conductor diode. The circuit includes a first Metal Oxide Semi-conductor (MOS) device connected in parallel with the diode. A bias voltage which is close to but lower than the threshold voltage is applied t...
04/06/2004
6225793Solar power generation circuit including bypass diodes connected in parallel to groups of series connected solar cells
The invention relates to a circuit arrangement for power generation with solar cells (10 to 32). The solar cells are connected in series and in strings (34 to 44) each of several cells. A bypass diode (50 to 60) is connected in parallel to each string (34...
05/01/2001
5723956Low cost electronic ultracapacitor interface technique to provide load leveling of a battery for pulsed load or motor traction drive applications
A battery load leveling arrangement for an electrically powered system in which battery loading is subject to intermittent high current loading utilizes a passive energy storage device and a diode connected in series with the storage device to conduct cur...
03/03/1998
4948987Secondary electric power source produced by current flow through a primary a.c. power circuit
Voltage drop developed across a transformer primary winding coupled in series with a primary a.c. power circuit including an a.c. power source and an a.c. load is utilized to provide a secondary source of a.c. power having secondary voltage level stabilit...
08/14/1990
4591728Transformerless power unit
A transformerless power unit for an electronic apparatus, preferably a horological instrument, including a fluorescent display, with a compensating resistor network which is connected with one pole of the supply voltage, preferably of a series circuit con...
05/27/1986
4539617AC Power line transient suppressing circuit
An AC power line transient suppression circuit comprises a bi-directional series breakdown element in combination with a series inductor and a shunt capacitor....
09/03/1985
4491903Combination low-pass filter and high frequency transient suppressor
Spikes occurring on an AC line and coupled through an AC to DC converter are substantially decoupled from a DC load of the converter even though the converter includes a supply transformer and a shunt electrolytic filter capacitor, by a circuit comprising...
01/01/1985
4434396Power line transient suppression circuit
A low pass filter circuit for substantially preventing pulse transients from being coupled between a power source and a load includes a series branch containing an inductor and a shunt branch containing in series a capacitor, a bi-directional breakdown de...
02/28/1984
4356502Protection circuit for a semiconductor device
A protection circuit for a semiconductor substrate comprises a semiconductor substrate of a first conductivity type, a first region of a second conductivity type formed in the semiconductor substrate, a second region of the first conductivity type formed ...
10/26/1982
4156838Active filter circuit for transient suppression
Suppression circuit for transient noise pulses in which the magnitude of the pulse is limited to the threshold value of a selected breakdown device that is equally effective with voltage excursions of either polarity, and which includes means to reduce th...
05/29/1979
 
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