# US 2019/0357325 A1 · Ac light emitting diode and ac led drive methods and apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0357325 A1 - Document ID: US20190357325A1 - Status: Published application - Kind: A1 - Application number: 16/523,542 - Filed: 2019-07-26 - Published: 2019-11-21 - Earliest claimed: 2004-02-25 - Assignees: Lynk Labs, Inc. - Applicants: Lynk Labs, Inc. - Inventors: Michael Miskin; James N. Andersen; Robert L. Kottritsch - Web page: https://patentgrep.com/patent/US20190357325A1 ## CPC - F21V 23/0485: {the sensor sensing the physical interaction between a user and certain areas located on the lighting device, e.g. a touch sensor} - F21V 23/0414: {specially adapted to be used with portable lighting devices} - F21V 23/045: {the sensor receiving a signal from a remote controller} - H03K 17/962: {Capacitive touch switches} - H05B 45/10: Controlling the intensity of the light - H05B 45/42: Antiparallel configurations - H05B 47/20: Responsive to malfunctions or to light source life; for protection - F21Y 2115/10: Light-emitting diodes [LED] - H05B 45/60: Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED] - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - H03K: PULSE TECHNIQUE (measuring pulse characteristics G01R; modulating sinusoidal oscillations with pulses H03C; transmission of digital information H04L; discriminator circuits detecting phase difference between two signals by counting or integrating cycles of oscillation H03D3/04; automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses where the type of generator is irrelevant or unspecified H03L; coding, decoding or code conversion, in general H03M) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract An LED device for use with an AC voltage power source configured such that at least one LED emits light during a positive phase of power provided from an AC power supply and at least one LED emits light during the negative phase of power provided from an AC power supply. The LED device includes a first power connection lead and a second power connection lead, both leads capable of being connected to and receiving power from an AC power supply. ## Claims ### Claim 1 An apparatus comprising: an LED circuit comprising at least one LED; a data receiver, wherein the data receiver is configured to receive data from an antenna; an adjustable capacitor coupled to the antenna, wherein the adjustable capacitor is configured to tune the antenna; and a transmission conductor configured to wirelessly receive an alternating electromagnetic field that is used to provide power to charge the apparatus; wherein the apparatus is portable. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the apparatus is configured for use in telecommunications. ### Claim 3 An apparatus comprising: an LED circuit comprising a plurality of LEDs; a data receiver, wherein the data receiver is configured to receive data from an antenna; a circuit configured to detect touch via capacitive sensing, the touch being of a person; and a lens doped with particles configured to receive and transmit light from the plurality of LEDs; wherein the apparatus is portable. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein the particles change a color of the light from the plurality of LEDs. ### Claim 5 (depends on 3) The apparatus of claim 3, wherein the apparatus is configured for use in telecommunications. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein the apparatus is a signal output device. ### Claim 7 An apparatus comprising: an LED circuit comprising a plurality of LEDs; a data receiver, wherein the data receiver is configured to receive data from an antenna; a first circuit comprising at least one diode coupled to the antenna; a second circuit configured to detect touch via capacitive sensing, the touch being of a person; and a lens doped with particles configured to receive and transmit light from the plurality of LEDs; and wherein the apparatus is portable. ### Claim 8 (depends on 7) The apparatus of claim 7 further comprising: an adjustable capacitor coupled to the antenna, wherein the adjustable capacitor is configured to tune the antenna. ### Claim 9 An apparatus comprising: an LED circuit comprising at least one LED; a data receiver, wherein the data receiver is configured to receive data from an antenna; a first transmission conductor configured to wirelessly receive an alternating electromagnetic field that is used to provide power to charge the apparatus; a second transmission conductor configured to receive the power from a power source that comprises a transformer, wherein the power source is configured to receive a first AC voltage from an AC mains and to output a relatively constant DC voltage; and a circuit configured to sense whether the power is provided by the first transmission conductor or the power source; and wherein the apparatus is portable. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the circuit is further configured to switch between the first transmission conductor and the power source. ### Claim 11 An apparatus comprising: an LED circuit having at least one LED; a battery; a data receiver, wherein the data receiver is configured to receive data signals from an antenna; a first circuit, wherein the first circuit is configured to receive DC power and data signals from a transmission conductor; and a second circuit, wherein the second circuit has at least one transmission conductor and an inductor, and wherein the second circuit is configured to receive power wirelessly; and wherein the apparatus is portable. ### Claim 12 (depends on 11) The apparatus of claim 11 wherein the second circuit further comprises: a capacitor coupled to the inductor. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the inductor and the capacitor are configured to tune the second circuit. ### Claim 14 (depends on 11) The apparatus of claim 11, wherein the at least one LED includes at least one organic light emitting diode. ### Claim 15 (depends on 11) The apparatus of claim 11 further comprising: a switch. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein the switch is a three-way switch.