Patents by Inventor Wen Tsung Cheng
Wen Tsung Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11933817Abstract: A probe card device and a transmission structure are provided. The transmission structure includes a supporting layer, a plurality of metal conductors spaced apart from each other and slantingly inserted into the supporting layer, and an insulating resilient layer formed on the supporting layer. Each of the metal conductors includes a positioning segment held in the supporting layer, a connecting segment and an embedded segment respectively extending from two ends of the positioning segment, and an exposed segment extending from the embedded segment. Each of the embedded segments is embedded and fixed in the insulating resilient layer, and each of the exposed segments protrudes from the insulating resilient layer. When any one of the exposed segments is pressed by an external force, the insulating resilient layer is configured to absorb the external force through the corresponding embedded segment so as to have a deformation providing a stroke distance.Type: GrantFiled: January 13, 2022Date of Patent: March 19, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wen-Tsung Lee, Hsun-Tai Wei, Pang-Chi Huang, Meng-Chieh Cheng
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Patent number: 8169291Abstract: A fuse includes an insulating base and a conducting terminal installed in the insulating base, and the insulating base is integrally formed and includes a groove and two concave pits interconnected to the groove. The conducting terminal is accommodated in the groove, and includes two conductive handles, a fuse filament coupled to the two conductive handles, and a forked holding portion formed at an end of each conductive handle and fixed into the concave pit. The forked holding portion is compressed, and a surface of the insulating base is stamped, such that the conducting terminal is passed and fixed securely to the insulating base, and the fuse features a simple structure and an easy installation.Type: GrantFiled: January 6, 2010Date of Patent: May 1, 2012Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Patent number: 8164411Abstract: A fuse structure includes a casing, a fuse component and a light emitting element having pins. The casing includes a top plate, a containing space disposed below the top plate and two openings formed on the top plate. The fuse component includes two electrically conductive plates and a fuse filament, and each electrically conductive plate has a conducting portion protruded from an upper end of the electrically conductive plate, and the conducting portions are inserted into the two openings respectively. The top plate includes two compressing portions protruded from the bottom of the top plate and arranged alternately with the two conducting portions, such that an interval is formed between an external edge of each compressing portion and an internal edge of each corresponding conducting portion, and the pins of the light emitting element are clamped in the interval.Type: GrantFiled: January 6, 2010Date of Patent: April 24, 2012Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Publication number: 20110163839Abstract: A fuse structure includes a casing, a fuse component and a light emitting element having pins. The casing includes a top plate, a containing space disposed below the top plate and two openings formed on the top plate. The fuse component includes two electrically conductive plates and a fuse filament, and each electrically conductive plate has a conducting portion protruded from an upper end of the electrically conductive plate, and the conducting portions are inserted into the two openings respectively. The top plate includes two compressing portions protruded from the bottom of the top plate and arranged alternately with the two conducting portions, such that an interval is formed between an external edge of each compressing portion and an internal edge of each corresponding conducting portion, and the pins of the light emitting element are clamped in the interval.Type: ApplicationFiled: January 6, 2010Publication date: July 7, 2011Inventors: Wen-Tsung CHENG, Wen-Ho CHENG
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Publication number: 20110163838Abstract: A fuse includes an insulating base and a conducting terminal installed in the insulating base, and the insulating base is integrally formed and includes a groove and two concave pits interconnected to the groove. The conducting terminal is accommodated in the groove, and includes two conductive handles, a fuse filament coupled to the two conductive handles, and a forked holding portion formed at an end of each conductive handle and fixed into the concave pit. The forked holding portion is compressed, and a surface of the insulating base is stamped, such that the conducting terminal is passed and fixed securely to the insulating base, and the fuse features a simple structure and an easy installation.Type: ApplicationFiled: January 6, 2010Publication date: July 7, 2011Inventors: Wen-Tsung CHENG, Wen-Ho CHENG
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Patent number: 7973324Abstract: A lamp type light emitting device for safety fuse, including a substrate, an electrode layer, a chip set, a wire set, two leads and an encapsulator. The electrode layer is arranged on the substrate and includes a first T-shaped electrode, a second T-shaped electrode, a first stripe electrode and a second stripe electrode. The chip set includes a first resistor chip and a first light emitting chip arranged on the first T-shaped electrode and a second resistor chip and a second light emitting chip arranged on the second T-shaped electrode. The wire set has fuse wires electrically connected the first resistor chip, the first light emitting chip, the first stripe electrode, the second resistor chip, second light emitting chip, and the second stripe electrode. The leads are electrically connected to the first and the second T-shaped electrodes. The encapsulator encapsulates the electrode layer, the chip set and the wire set.Type: GrantFiled: December 1, 2008Date of Patent: July 5, 2011Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Patent number: 7839258Abstract: A fuse assembly capable of indicating whether the fuse is blown or not includes a fuse body formed therein with an accommodating space. The accommodating space is provided with two conductive terminals connected to each other via a metallic fuse. A light-emitting diode is inserted into an accommodating hole of the fuse body, thereby electrically connecting two electrodes of the light-emitting diode to the two conductive terminals. By the above arrangement, the light-emitting diode can be lighted up when the fuse body is blown.Type: GrantFiled: August 6, 2008Date of Patent: November 23, 2010Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Patent number: 7772959Abstract: A fuse seat having light-emitting module includes an insulating body, two electricity-conducting pieces and a light-emitting module. The insulating body is arranged with an accommodating space, in which two electricity-conducting pieces are fixed respectively. A fuse is plugged into the accommodating space and connected conductively to the electricity-conducting pieces. The light-emitting module is hidden in the insulating body and is connected electrically to the electricity-conducting pieces, thus a cost-saving effect is thereby achieved.Type: GrantFiled: August 6, 2008Date of Patent: August 10, 2010Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Publication number: 20100133552Abstract: A lamp type light emitting device for safety fuse, including a substrate, an electrode layer, a chip set, a wire set, two leads and an encapsulator. The electrode layer is arranged on the substrate and includes a first T-shaped electrode, a second T-shaped electrode, a first stripe electrode and a second stripe electrode. The chip set includes a first resistor chip and a first light emitting chip arranged on the first T-shaped electrode and a second resistor chip and a second light emitting chip arranged on the second T-shaped electrode. The wire set has fuse wires electrically connected the first resistor chip, the first light emitting chip, the first stripe electrode, the second resistor chip, second light emitting chip, and the second stripe electrode. The leads are electrically connected to the first and the second T-shaped electrodes. The encapsulator encapsulates the electrode layer, the chip set and the wire set.Type: ApplicationFiled: December 1, 2008Publication date: June 3, 2010Inventors: Wen-Tsung CHENG, Wen-Ho Cheng
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Publication number: 20100060408Abstract: A fuse module with an indicating capability allows a plug having pins to be inserted therein. The fuse module includes a casing, an electrical conductive terminal, an insulator and a light-emitting unit. The bottom of the casing is provided with through holes. The electrical conductive terminal is received in the casing. The electrical conductive terminal includes conductive pieces for allowing the pins to be inserted therein and a connecting arm for connecting the conductive pieces. The conductive pieces are arranged to correspond to the through holes. The insulator is fixed to the connecting arm. The light-emitting unit is provided between the insulator and the casing and is electrically connected with the conductive pieces. When the current is overloaded, the connecting arm will be melted to break, so that the light-emitting unit will be lighted up to generate an indicating effect.Type: ApplicationFiled: September 9, 2008Publication date: March 11, 2010Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Patent number: 7675087Abstract: A surface mount light emitting device includes a substrate, a chip set, a wire set and an encapsulator. The substrate includes a base plate with four corners and four electrode layers arranged on the corners, each electrode layer has a top electrode extended to the top surface of the base plate, a bottom electrode extended to the bottom surface of the base plate and a trace extended toward the center of the top surface of the base plate. The chip set includes two resistor chips and two light emitting chips, the resistor chips arranged on two of the traces extended from two diagonal corners, the light emitting chips respectively arranged on the other two traces extended from the other two diagonal corners. The wire set includes two fuse wires electrically connected the resistor chips to the light emitting chips. The encapsulator is encapsulating the chip set and the wire set.Type: GrantFiled: December 1, 2008Date of Patent: March 9, 2010Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Publication number: 20100033294Abstract: A fuse seat with prompting function is to provide a fuse plugged therein conductively. The fuse seat includes an insulating body, two electricity-conducting pieces, two electric wires and a light-emitting unit. The insulating body is arranged an accommodating space and is configured a through trough. Two electricity-conducting pieces are respectively arranged in the accommodating space. The fuse is plugged into the accommodating space and is connected conductively to the electricity-conducting pieces. One side of each electric wire is respectively connected to the electricity-conducting pieces electrically and is extended out of the insulating body. The light-emitting unit is embedded fixedly in the insulating body, accommodated in the through trough and connected electrically to the electricity-conducting pieces respectively. When an overload occurs the light-emitting unit generates prompting light for the purpose of identification.Type: ApplicationFiled: August 6, 2008Publication date: February 11, 2010Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Publication number: 20100033292Abstract: A fuse seat having light-emitting module of hidden type is to provide a fuse plugged therein conductively. The fuse seat includes an insulating body, two electricity-conducting pieces and a light-emitting module. The insulating body is arranged an accommodating space, in which two electricity-conducting pieces are fixed respectively. The fuse is plugged into the accommodating space and connected conductively to the electricity-conducting pieces. The light-emitting module is hidden in the insulating body and is connected electrically to the electricity-conducting pieces respectively, thus that a cost-saving effect is thereby achieved.Type: ApplicationFiled: August 6, 2008Publication date: February 11, 2010Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Publication number: 20100033293Abstract: A fuse capable of indicating whether the fuse is blown or not includes a fuse body formed therein with an accommodating space. The accommodating space is provided with two electrical-conductive terminals connected to each other via a metallic fuse. A light-emitting diode is inserted into the accommodating hole of the fuse body, thereby electrically connecting two electrodes of the light-emitting diode to the two electrical-conductive terminals. Via the above arrangement, the light-emitting diode can be lighted up when the fuse body is blown.Type: ApplicationFiled: August 6, 2008Publication date: February 11, 2010Inventors: Wen-Tsung CHENG, Wen-Ho CHENG
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Patent number: 7394343Abstract: A handheld device having a lamp for testing and clipping a blade fuse includes a handle having two probes extended therefrom, a clamp formed on one end of the handle, and an indicator for indicating the condition of the fuse. One of the probes is movably disposed on the handle, thereby allowing the adjustment of separation between two probes. Finally, one side of the handle includes a first lamp, which is disposed parallel to the probes and is electrically connected to the circuit board for illuminating the fuse to be tested. The other side of the handle includes a second lamp, which is disposed parallel to the clamp and is electrically connected to the circuit board for illuminating the fuse to be pulled out.Type: GrantFiled: November 14, 2005Date of Patent: July 1, 2008Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Publication number: 20070109090Abstract: A handheld device having a lamp for testing and clipping a blade fuse includes a handle having two probes extended therefrom, a clamp formed on one end of the handle, and an indicator for indicating the condition of the fuse. One of the probe is movably disposed on the handle, thereby allowing the adjustment of separation between two probes. Finally, one side of the handle includes a first lamp, which is disposed parallel to the probe and is electrically connected to the circuit board for illuminating the fuse to be tested. The other side of the handle includes a second lamp, which is disposed parallel to the clamp and is electrically connected to the circuit board for illuminating the fuse to be pulled out.Type: ApplicationFiled: November 14, 2005Publication date: May 17, 2007Inventors: Wen-Tsung Cheng, Wen-Ho Cheng
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Patent number: 6871387Abstract: An alligator clip with an improved structure including a first and a second clip members connected to each other by a pivot pin is disclosed. A resilient member is installed on the pivot pin with two opposite ends in contact against the interior surfaces of the first and second members. The front ends of the first and second clip members are used to clip the positive/negative electrode of the car battery. A securing member formed from the bottom end of the first clip member, including a through hole each on two opposite ends to wrap a power cord so that two through holes are aligned to receive a fixture to secure the securing member on the power cord.Type: GrantFiled: April 28, 2003Date of Patent: March 29, 2005Inventors: Wen Tsung Cheng, Wen Ho Cheng
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Patent number: 6817907Abstract: A power distribution outlet having a connector body, a distributing block, an insulation plate, a fuse, and an insulation housing is disclosed. The connector body is connected to the electrode of the battery. The distributing block has a plurality of wire inlets for connecting a plurality of power cords. The connector body and the distributing block are fixed on an insulation plate and insulated to each other thereby. The fuse electrically connects the connecting block and the distributing block, which are enclosed in the insulation housing. The above structure allows multiple power cords to be conducted with the battery at the same time, while the fuse can be easily inspected and replaced to protect the electronic products connected to the power cords, and the structure is easily fabricated.Type: GrantFiled: April 28, 2003Date of Patent: November 16, 2004Inventors: Wen Tsung Cheng, Wen Ho Cheng
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Patent number: 6796841Abstract: An alligator clip with a fuse holder including a first clip member, a second clip member, and a resilient member is disclosed. The first and second clip members are connected to each other by a pivot pin. The resilient member is installed on the pivot pin and in contact against the interior surfaces of the first and second members. The front ends of the first and second clip members are used to clip the positive/negative electrode of the car battery. The first clip member has a lug extending from the bottom end thereof, which can be directly made by a stamp process. The lug is inserted within a housing of the fuse holder. The lug has a set of clip sheets to receive one pin of a fuse of the fuse holder. The other pin of the fuse is plugged into another set of clip sheets of another lug connected to a power cord.Type: GrantFiled: April 28, 2003Date of Patent: September 28, 2004Inventors: Wen Tsung Cheng, Wen Ho Cheng
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Patent number: 6793534Abstract: A power distribution outlet with a fuse, having a battery connector, a connecting block, a distributing block, an insulation plate, a fuse, and an insulation housing is disclosed. The battery connector is connected to the electrode of the battery. The connecting block has a wire to electrically connect the battery connector. The distributing block has a plurality of wire inlets for connecting a plurality of power cords. The connecting block and the distributing block are fixed on an insulation plate and insulated to each other thereby. The fuse electrically connects the connecting block and the distributing block, which are enclosed in the insulation housing. The above structure allows multiple power cords to be conducted with the battery at the same time, while the fuse can be easily inspected and replaced to protect the electronic products connected to the power cords, and the structure is easily fabricated.Type: GrantFiled: April 28, 2003Date of Patent: September 21, 2004Inventors: Wen Tsung Cheng, Wen Ho Cheng