Matches 1 - 37 out of 37


Match Document Document Title
8229077 Multi-use telephone test sets and related systems and methods  
Telephone test sets include a telephone test set housing and at least one lead that extends away from the telephone test set housing. The lead is configured to be coupled to a telephone line. A...
7969046 Power supply control apparatus  
The present invention is to provide a power supply control apparatus which can connect a ground to a suitable electric potential when the ground is disconnected. The power supply control apparatus...
6433551 Engine timing measurement device with RPM and advance displays and flashlight function  
A timing light for measuring timing of spark ignition has separate displays of engine RPM and timing advance. Another aspect of the invention provides a flashlight function which triggers the...
6232784 Circuit continuity tester and method  
A conventional flashlight is adapted for use as a circuit continuity tester. The flashlight has the usual hollow body containing the batteries, a bulb having one contact in communication with the...
5406207 Electrical continuity tester combined with flashlight and/or lantern  
An improved testing structure is provided in a flashlight (or lantern) provided with an electrical continuity tester. The flashlight or lantern has an insulated body and a flashlight (or lantern)...
5262728 Combination flashlight/lantern electric continuity tester  
An improvement is provided in a combination flashlight (or lantern)/continuity tester having an insulated body and a (flashlight) bulb and batteries in series circuit. The improved tester, which...
5051876 Compound hand tool with a screwdriver  
A compound hand tool which can be attached to or include a flashlight in order to provide a single tool which performs the combined functions of a flashlight, an electrical continuity tester, a...
4864225 Coaxial cable tracer and tester  
A device for testing continuity of coaxial cables and tracing coaxial cables through junction boxes and the like includes a cylindrical housing formed in penlight fashion with an LED at the distal...
4839599 Multipiece cable testing device which functions as flashlight, continuity checker, and cable identifier  
A coaxial cable testing device has a modular construction wherein the several pieces may be configured in different arrangements to fulfill the separate functions of a flashlight, a continuity...
4428033 Flashlight having test leads and a second, remote, magnetically attachable rotatable lamp  
This invention provides a flashlight of conventional use that has a socket at its rear end. A plug and flexible conductor assembly is inserted into this socket and carries the battery power from...
4322782 Flashlight  
Flashlight with means permitting operation in a voltage mode with memory, in a conductivity mode, and in a lighting mode.
4250446 Combination flashlight and circuit tester  
A combination flashlight and circuit tester is disclosed which functions as both a conventional source of portable illumination and a circuit continuity tester employing either internal or...
4045726 Tool for manually tripping a fault indicator for high voltage electric power circuits and resetting same  
This invention relates, generally, to fault indicators and it has particular relation to tools for testing fault indicators of the kind and character disclosed in my U.S. Pat. No. 3,906,477,...
4021732 Convertible electric tester for use with a flashlight and including a jack plug with tubular shunt  
An electric tester usable for one type of test by tapping into the battery current of a flashlight, or for an alternate type of test as a shunt across the terminals of units in a power line to...
4001803 Lighting devices  
An emergency power failure indicator circuit and night light adapted for use as a portable flashlight having wall outlet insertion prongs which are extendable from the body of the unit with...
3944806 Portable high intensity lamp  
A portable high intensity lamp comprising of a housing having a lamp supported in it and also carrying a battery and a switch relay and circuitry to energize and de-energize the light source from...
3873915 Combination flashlight and electric circuit tester  
This invention relates to an improved combination circuit tester and portable electrical light comprising an elongated housing having one or more electric cells encased therein for supplying an...
3775677 FLASHLIGHT-CONTINUITY TESTER HAVING PLUG AND JACK ARRANGEMENT  
A continuity tester includes circuit interruption means coupled in series with the electrical circuit of a flashlight. A pair of continuity testing leads is connected to the interruption means by...
3753090 COMBINATION FLASHLIGHT AND CONTINUITY TESTER HAVING HINGED CONTACT  
A common flashlight is adapted to either a normal portable lighting function or to use as a continuity tester. Two electrical conductors, used externally, serve as continuity test probes. One of...
3704411 PORTABLE DEVICE FOR TESTING ELECTRICAL APPLIANCES  
A device operable as a torch or a testing device to test the circuitry of an electrical appliance for safety. The appliance is plugged into the device whereby the device can indicate the...
3634680 PLUG-IN FLASHLIGHT EXTENSION  
A plug-in flashlight extension embodies an extension cord having a plug which is removably insertable in a jack carried by a flashlight assembly and connected in circuit with a switch carried by...
3579100 FLASHLIGHT ADAPTED FOR SHORT CIRCUIT TESTING  
An apparatus is disclosed comprising a flashlight having two bulbs at the light-emitting end, and equipped with a three-pronged adapter at the rearward end. The two bulbs are wired through the...
3553572 PORTABLE ELECTRIC CIRCUIT TESTER HAVING A PAIR OF RESISTANCE INDICATING LAMPS  
3497798 FLASHLIGHT TYPE TESTER WITH RESISTANCE,HOT LINE AND TIMING INDICATOR MEANS  
D154627 Title is not available  
3364610 Fishing and continuity light  
3176220 Flashlight for continuity check with self contained battery charger accessory  
3145337 Combined flashlight, extension light, continuity and voltage tester  
3063006 Circuit continuity tester  
3061776 Flashlight electric testers  
3046476 Continuity tester  
3007110 Flashlight electric utility testers  
2946003 Portable tester for regulators and generators  
2933680 Dynamic short locator  
2916698 Probe  
2916699 Combination probe and continuity tester  
2846644 Combination flashlight and circuit tester  

Matches 1 - 37 out of 37