Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8164428 | Power control device A controllable light bulb comprises an electrical connector, a receiver module, an electronic switch, a translucent casing, and a light producing element. The electrical connector receives a power signal. The receiver module is powered by the power signal received v... | 04/24/2012 |
| 8049599 | Power control device A controllable light bulb comprises an electrical connector, a receiver module, an electronic switch, a translucent casing, and a light producing element. The electrical connector receives a power signal. The receiver module is powered by the power signal received v... | 11/01/2011 |
| 7375475 | Lamp containing power controller having current limited RMS regulated output A lamp contains a voltage conversion circuit that converts a line voltage to an RMS load voltage and includes a switch and a microcontroller that operates the switch to define the RMS load voltage. The microcontroller senses a load voltage of the lamp, compares the ... | 05/20/2008 |
| 7359010 | Method for producing display device In a liquid crystal display device, a first substrate includes electrical wirings and a semiconductor integrated circuit which has TFTs and is connected electrically to the electrical wirings, and a second substrate includes a transparent conductive film on a surfac... | 04/15/2008 |
| 7342327 | Series connected light string with filament shunting A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set w... | 03/11/2008 |
| 7327335 | Display device and an electronic apparatus using the same In a conventional display device comprising a sub-display, the display device is increased in thickness and in the number of components as the number of displays is increased. In the present invention, a dual emission display device is used so that either surface of... | 02/05/2008 |
| 7293897 | Integrated fluorescent lamp device An integrated fluorescent lamp device for use with a lamp fixture including a lamp socket configured to removably receive a portion of the integrated fluorescent lamp device therein to selectively support the integrated fluorescent lamp device thereon, the integrate... | 11/13/2007 |
| 7282846 | Christmas bulb structure The present invention discloses an improved Christmas bulb structure, which comprises: a bulb shell; two conductive wire, extending from the interior of the bulb shell to the exterior of the bulb shell; an insulator, separating those two conductive wires; an elastic... | 10/16/2007 |
| 7274148 | Lamp having fixed forward phase switching power supply with time-based triggering A lamp contains a lamp voltage conversion circuit that is entirely within a base for converting a line voltage at a lamp terminal to an RMS load voltage at a light emitting element. The voltage conversion circuit includes a forward clipping circuit with a three-term... | 09/25/2007 |
| 7274149 | Lamp with integral pulse width modulated voltage control circuit A lamp has a voltage controller that converts a line voltage to an RMS load voltage suitable for operation of the lamp's light emitting element, where the voltage controller is entirely within a lamp base and uses pulse width modulation to define the RMS load voltag... | 09/25/2007 |
| 7256547 | Self-ballasted fluorescent lamp and luminaire An electrolytic capacitor and a ballast choke of a lighting circuit, are disposed on a first face of a circuit board facing a base, and a one-package switch of the lighting circuit is disposed on a second face, facing a fluorescent lamp. The one-package switch compr... | 08/14/2007 |
| 7224130 | Method of operating a lamp containing a fixed phase power controller A method of operating a lamp that has a power controller connected between a terminal and a light emitting element that converts the line voltage to an RMS load voltage. An input to an analog control block is provided in the controller that is independent of a chang... | 05/29/2007 |
| 7224125 | Dimmable fluorescent lamp package A lamp package includes a base for insertion into an electrical socket, a complete dimmable ballast circuit contained within and electrically connected to the base, and a fluorescent lamp, including a CFLP, connected to and dimmed through the ballast circuit. The ba... | 05/29/2007 |
| 7218054 | Lamp having fixed phase power controller with analog trigger A lamp which includes a fixed phase power controller connected between a terminal and a light emitting element converts line voltage to an RMS load voltage. The controller has an analog control block that receives an input that is independent of a change in magnitud... | 05/15/2007 |
| 7170231 | Lamp that sets desired RMS load voltage with variable pulse width modulation A lamp includes a voltage controller that converts a line voltage to a desired RMS load voltage. The voltage controller is entirely within a lamp base and uses pulse width modulation to define the RMS load voltage. The voltage controller has a feed-back circuit that... | 01/30/2007 |
| 7166964 | Lamp containing pulse width modulated voltage conversion circuit A lamp includes a voltage conversion circuit entirely within a lamp base. The voltage conversion circuit includes a pulse width modulator for modulating a lamp load voltage and provides a load voltage to a light emitting element. A feed-back circuit adjusts the puls... | 01/23/2007 |
| 7102298 | Integral lamp An integrated lamp/lamp electronics unit includes a lamp having a first end with first end electrical terminals, and a second end with second end electrical terminals. An end cap having an interior section is placed into electrical connection with the first end elec... | 09/05/2006 |
| 7049750 | Lamp having integral voltage controller A lamp includes a voltage conversion circuit that converts a line voltage to a desired RMS load voltage. The voltage conversion circuit is entirely within a lamp base and uses pulse width modulation to define the RMS load voltage. The voltage conversion circuit incl... | 05/23/2006 |
| 6924603 | Hybrid electro luminescence panel and driving method thereof A hybrid electro luminescence (EL) panel and a driving method thereof using advantages of an organic EL panel and inorganic EL panel. The panel includes a first substrate having a luminescent substance formed with an organic substance, and a second substrate having ... | 08/02/2005 |
| 6900593 | Light source and image reading device using the same A light source of the invention includes: a cylinder having disposed therein a phosphor material that emits light by ultraviolet rays which are radiated due to discharge; a pair of internal electrodes disposed inside the cylinder; a pair of external electrodes a and... | 05/31/2005 |
| 6552491 | Fluorescent lamp with integral circuitry A tubular fluorescent lamp has a light emissive portion and an integral adjacent portion for containing power circuitry, such as an electronic ballast for providing high voltage power to electrodes of the lamp. All necessary electrical connections between... | 04/22/2003 |
| 6472831 | I.L. timer A system for an individual bulb timing assembly for providing direct bulb timed on-off sequencing. A timing assembly that is installed directly into an electrical fixture bulb socket, that provides electrical power to an individual timing assembly, allowi... | 10/29/2002 |
| 6208090 | Reduced voltage and time delay to eliminate filament hot shock A method to eliminate filament hot shock in lamp filaments, particularly in compact filament light sources such as high efficiency infrared reflective coated halogen lamps, during installation or during energization comprising a voltage reduction circuit ... | 03/27/2001 |
| 6177765 | Active diode protection apparatus in metal halide lamps A metal halide lamp, having a cold fill pressure of at least 50 torr, incorporates a starter circuit with an active device to protect the diode included therein. The active portion of the starter circuit, either removes a voltage multiplying circuit porti... | 01/23/2001 |
| 5942858 | Apparatus for supplying direct current pulses to an electrical load for improved efficiences An apparatus supplies an ohmic, inductive or capacitive load with needle pulse trains in which each individual pulse has a duration of less than 1 millisecond. Due to pulse amplitudes which are by far higher in relation to the nominal voltage of the load,... | 08/24/1999 |
| 5847512 | Lamp device and a display apparatus using the same A lamp device is constituted by an assembly consisting of a holder and a lamp and can be detachably attached to an installation hole of a print board or the like. The lamp device internally includes a flickering circuit for flickering the lamp. The holder... | 12/08/1998 |
| 5504395 | Lamp bulb having integrated RFI suppression and method of restricting RFI to selected level An incandescent lamp bulb which is driven by an electronic control module (ECM) and method of manufacture characterized in that an inductor comprising a magnetic element and a winding thereon is disposed within a screw shell base of the lamp bulb and surr... | 04/02/1996 |
| 5455484 | Adapter for simultaneously powering multiple compact fluorescent lamps utilizing an electronic ballast circuit The present invention provides a base socket that fits into incandescent fixtures and allows one or many "stick" type compact fluorescent lamps to be inserted. The fixture allows the user to insert as many CFL's as desired without changing or rearranging,... | 10/03/1995 |
| 5327046 | High pressure discharge lamp having overcurrent fuse protection A high intensity discharge (HID) lamp includes a resistive fuse for overcurrent protection of its associated ballast, which fuse is connected electrically in series with the discharge vessel of the lamp and continuously dissipates power during lamp operat... | 07/05/1994 |
| 5319285 | Starting circuit for a high intensity discharge lamp A starting circuit is used in combination with a high intensity discharge lamp having electrodes. An inductor is in series with the electrodes of the lamp, and a first switching transistor is arranged in series with a diode and a load resistor. The first ... | 06/07/1994 |
| 5315272 | Light emitting tunnel diode oscillator A light emitting tunnel diode oscillator comprising a body of single crystalline material having a first portion n-doped and a second portion p-doped in such a way that the resulting p-n junction has the low voltage conductance characteristics of a tunnel... | 05/24/1994 |
| 5304895 | Electroluminescent display panel An EL display panel comprises a plurality of insulating substrates which are aligned side by side. Each substrate has an elongated first side surface and an opposite second side surface, a plurality of discrete electrodes formed on the first side surface,... | 04/19/1994 |
| 5294865 | Lamp with integrated electronic module A lamp assembly includes a sealed lamp envelope enclosing a filament, a screw shell connected to the lower portion of the envelope, and electrical leads extending from the filament into the screw shell. The screw shell has a bottom opening, in which is mo... | 03/15/1994 |
| 4857806 | Self-ballasted screw-in fluorescent lamp A fluorescent lamp is mounted on an ordinary Edison-type screw-base; which screw-base contains a frequency-converting electronic ballast. The combined lamp-ballast-assembly is adapted to be used in an ordinary screw-in lamp socket powered from ordinary 12... | 08/15/1989 |
| 4764708 | Touch control lamp socket interior An electronic touch control light socket used to convert a lamp to touch-sensitive use which includes a circuit housing and a light bulb insertion socket mounted thereto which together are adapted for installation within a standard light socket shell of a... | 08/16/1988 |
| 4742274 | Adjustable flasher plug for multiple purposes An adjustable flasher plug includes two load circuits such as light indicative circuits or decorative bulbs connected in series operatively contacting a left conducting pin of two pins connecting a power source, and a bimetallic strip jacketed in a heatin... | 05/03/1988 |
| 4725760 | Structure of flasher bulb A flasher bulb and method of making same by mass production techniques are disclosed. The flasher bulb has first and second nickel wires connected by a tungsten wire to form a loop and a bimetallic strip one end of which is connected to one of the nickel ... | 02/16/1988 |
| 4691146 | Method for forming special color effects from a fluorescent lamp which is supplied with electrical power and a device for carrying out the method The present invention relates to a method and a device for forming special color effects wth at least an electrical lamp which is supplied with a pulsed current and moved by a relative movement into space. The device supplies the electrical lamp with an e... | 09/01/1987 |
| 4686421 | Glow discharge starter and arc discharge lamp containing same This invention relates to a glow discharge starter having a sealed envelope containing an ionizable medium, a bimetallic electrode and a counter electrode located within the envelope. A getter holder is secured to one of the electrodes adjacent the intern... | 08/11/1987 |
| 4647893 | Rapid-start fluorescent lamp having a bimetal circuit breaker with leg portions of unequal length A rapid-start fluorescent lamp includes a circuit breaker having a sealed glass bottle, a pair of electrical conductors sealed therein and passing therethrough and a thermally sensitive bimetal switch within the glass bottle with the bimetal switch having... | 03/03/1987 |