William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7857642 | Inductive amplifier probe tip A probe tip for use with an inductive amplifier unit having an inductive generator circuit connected to an indicator, such as an acoustic transducer. The tip includes a substantially non-conducting inductive member having a distal end insertable into an opening of a... | 12/28/2010 |
| 7371129 | Elevated height electrical connector An electrical connector includes first and second connector bodies which are arranged to first be positioned together, and then separated once electrical contacts have been inserted in at least one of the first and second connector bodies. During, after, or both dur... | 05/13/2008 |
| 7349223 | Enhanced compliant probe card systems having improved planarity Several embodiments of enhanced integrated circuit probe card and package assemblies are disclosed, which extend the mechanical compliance of both MEMS and thin-film fabricated probes, such that these types of spring probe structures can be used to test one or more ... | 03/25/2008 |
| 7332923 | Test probe for high-frequency measurement A test probe for executing high-frequency measurements comprises: a coaxial high-frequency wave guide containing an inner conductor and an outer conductor for delivering a primary electrical potential and a secondary electrical potential, respectively, a supporting ... | 02/19/2008 |
| 7232312 | Rotary connector having an integral fuse A rotary connector including a first part, a second part rotationally coupled to the first part to form an interior of the rotary connector, and an electrical cable housed within the interior of the rotary connector. An over current protection device is housed withi... | 06/19/2007 |
| 7199596 | Manual testing instrument A manual testing instrument 1 is configured by an IC device holding member 2 mounted on a socket guide 6 in a removable way and capable of regulating a position of an IC device 7 in the planar direction with respect to connection terminal... | 04/03/2007 |
| 7084639 | Impedance standard substrate and method for calibrating vector network analyzer An impedance standard substrate for calibrating a vector network analyzer includes a first surface and a second surface opposite to the first surface. A thru-circuit has two contacts electrically connected to each other. The two contacts are disposed on the first su... | 08/01/2006 |
| 7056134 | Attachable/detachable probing tip system for a measurement probing system A attachable/detachable probing tip system (10) has a housing (12) that includes a probing tip mounting member (14) and opposing substantially orthogonal attachment (16, 18) arms extending from the probing tip mounting member. The attachm... | 06/06/2006 |
| 7053627 | Impedance standard substrate and method for calibrating vector network analyzer An impedance standard substrate for calibrating a vector network analyzer comprises a first surface and a second surface opposite to the first surface. A thru-circuit has two contacts electrically connected to each other. The two contacts are disposed on the first s... | 05/30/2006 |
| 7052297 | Rotary connector having removable and replaceable contacts A connector that includes a male connector assembly having a nose portion that removably fits within an axial cavity in a female connector assembly and which has removable, replaceable contacts. The connector assemblies are constructed for attachment to equipment an... | 05/30/2006 |
| 7038139 | Spiral cable device A spiral cable device is provided with a cylindrical casing, an inner cylinder rotatable relative to the cylindrical casing, and a flexible flat cable connected to the inner cylinder at one end thereof and to the cylindrical casing at the other end thereof. The flex... | 05/02/2006 |
| 6966782 | Adapter which can shield an end of an antenna terminal welded on a wireless network card An adapter includes a wireless card, and a bracket fixed on the wireless card. The bracket includes a base plate that has an aperture for positioning an antenna terminal, and a mask extended from the base plate for substantially shielding an end of the antenna termi... | 11/22/2005 |
| 6962497 | Rotary connector having an identifiable neutral position A rotary connector includes a first part, a second part configured to rotate relative to the first part, and an electrical cable housed within the rotary connector. A viewing window is configured to reveal a feature of the electrical cable when the rotary connector ... | 11/08/2005 |
| 6773938 | Probe card, e.g., for testing microelectronic components, and methods for making same Various aspects of the invention provide methods of manufacturing probe cards and test systems which may test microelectronic components using such probe cards. In one specific example, a probe card may be manufactured by forming a plurality of blind holes in a subs... | 08/10/2004 |
| 6404215 | Variable spacing probe tip adapter for a measurement probe A variable spacing probe tip adapter for a differential measurement probe has a measurement probe head with first and second probe tips extending from the probe head. Ribs and grooves formed in the probe head that extend radially from around each of the p... | 06/11/2002 |
| 6351405 | Pad for integrated circuit device which allows for multiple probing and reliable bonding and integrated circuit device including the pad An integrated circuit device having a first type of pads with a probing portion and a bonding portion. The integrated circuit device includes a memory cell array, a logic circuit, and a plurality of the first type of pads and a plurality of a second type ... | 02/26/2002 |
| 6254425 | Electrical connector for cardiac devices A temporary cardiac pacing wire, or a similar device, includes a pair of flexible electrode wires extending conjointly from a distal end of the pacing wire to its proximal end, where two electrically conductive sections are located. The conductive section... | 07/03/2001 |
| 5790896 | Apparatus for a testing system with a plurality of first connection having a structural characteristic and a plurality of second connection having a different structural characteristic than the first connection An input/output module in a system for testing the functionality of an elronic system. The input/output module includes a plurality of input connections for receiving signals from the electronic system and a number of output connectors with different str... | 08/04/1998 |
| 5310356 | Transmission device used between two relatively rotatable components A transmission device is equipped with a flat cable (11) which has a winding direction reversal section (11a) at the middle, and three dummy cables (21A through 21C) which are wrapped over the flat cable, the winding direction reversal sections (11a and 2... | 05/10/1994 |
| 5216802 | Method of using a convertible metered power system to convert between temporary and permanent metered electric service A convertible, metered, power system, apparatus and method, of readily converting a construction site electric meter box between providing temporary metered power and providing permanent metered power; wherein the method of the present invention includes ... | 06/08/1993 |
| 4964807 | Electrical connector and dual purpose test jack An electrical connector and dual purposes test jack used for testing electrical devices includes both a spring clamp member and a "plug in" pin assembly. The pin assembly has, at one end, an electrically conductive wire receiving portion, a setscrew for a... | 10/23/1990 |
| 4871322 | Connector An electrical connector for linking a clip to a base plug, the connector having a threaded portion for securing itself to the base plug, and also having a laterally positioned, flattened segment to be grasped by the clip.... | 10/03/1989 |
| 4718862 | Two-way electrical apparatus handle The present invention is a "two-way" handle that accepts an electrical cord in one end and an interchangeable electrical apparatus, e.g., test probe cartridges for nondestructive resistivity measurements in the other end, and wherein the handle can accept... | 01/12/1988 |
| 4676568 | Terminal test plug A test plug is disclosed for alternatively providing releasable electrical connection between a test lead and a first and second electrical contact where the first contact is a female contact and the second contact is a male contact. The plug includes a h... | 06/30/1987 |
| 4438303 | Assembly forming interfitting socket and plug for connection to a circuit in which the socket is mounted, without the circuit opening The present invention relates to an assembly forming interfitting socket and plug for connection to a circuit in which the socket is mounted, without the circuit opening. The socket comprises a housing at the bottom of which is housed a switch of the pres... | 03/20/1984 |
| 4414506 | Electrical circuit test probe The invention disclosed herein is a test probe for testing components in electric circuits. The test probe contains a plurality of pointed needles substantially parallel and separable. There is a hook to secure an electrical component lead between the nee... | 11/08/1983 |
| 4151462 | Electrical test probe having a spring biased clip with an extendable and retractable tip movable within the clip A normally retracted tip is extendible intermediate spring biased jaws of an electrical probe and is retained in the extended position by a spring bias and the gripping action of the jaws. The housing for the probe includes a compartment for containing in... | 04/24/1979 |
| 4014343 | Detachable chuck for electro-surgical instrument A generally flat insulator chuck is arranged to retain surgical electrodes so that the working area of the electrodes extends externally on one end and an electrical circuit accomodating prong is contained within a recessed chamber at the other end. The r... | 03/29/1977 |