# US 2018/0323724 A1 · Low voltager touch panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0323724 A1 - Document ID: US20180323724A1 - Status: Published application - Kind: A1 - Application number: 16/034,599 - Filed: 2018-07-13 - Published: 2018-11-08 - Earliest claimed: 2013-04-15 - Assignees: Aeon Labs - Applicants: Aeon Labs - Inventors: Winston Cheng - Web page: https://patentgrep.com/patent/US20180323724A1 ## CPC - H03K 17/962: {Capacitive touch switches} - H02M 7/05: {Capacitor coupled rectifiers} - H02M 7/32: using mechanical contact-making and -breaking parts - H05B 47/19: via wireless transmission - H05B 47/1965: {using handheld communication devices} - 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) - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract Wall mountable touch panels are described. In one embodiment, a wall mountable touch panel for controlling a load device includes a touch sensor configured to receive a user touch input and to control the load device based on the user touch input and a power interface configured to receive a low-voltage direct current (DC) power signal for powering the touch sensor. Other embodiments are also described. ## Claims ### Claim 1 A touch panel for controlling a load device, the touch panel comprising: a capacitive touch sensor configured to receive a user touch input, the touch input indicating a manner of controlling the load device based on the user touch input; and a power interface unit that is physically separate from the capacitive touch sensor that is electrically coupled to the load device and to the touch sensor that transmits a low-voltage direct current (DC) power signal to the touch sensor, wherein the touch panel is remotely mounted from the power interface unit and the touch panel transmits a signal to the power interface unit indicating the manner to control the load device, and the power interface unit controls the load device based on the signal transmitted to the power interface unit indicating the manner to control the load device, and the power interface unit controls the load device based on the transmitted signal. ### Claim 2 (depends on 1) The touch panel of claim 1, wherein the voltage of the low-voltage DC power signal is lower than a voltage threshold of around 36V. ### Claim 3 (depends on 1) The touch panel of claim 1, wherein no alternating current (AC)-DC transformation is performed in the wall mountable touch panel. ### Claim 4 (depends on 1) The touch panel of claim 1, wherein the wall mountable touch panel does not transform an alternating current (AC) power signal into the low-voltage DC power signal. ### Claim 5 (depends on 1) The touch panel of claim 1, wherein the touch sensor is powered solely by the low-voltage DC power signal. ### Claim 6 (depends on 1) The touch panel of claim 1, wherein the wall mountable touch panel does not comprise an alternating current (AC) to DC transformer. ### Claim 7 (depends on 1) The touch panel of claim 1, wherein the wall mountable touch panel requires no battery. ### Claim 8 (depends on 1) The touch panel of claim 1, wherein the touch sensor is flat and does not recess into a wall on which the wall mountable touch panel is mounted. ### Claim 9 (depends on 1) The touch panel of claim 1, wherein the capacitive touch sensor comprises a light-emitting diode (LED) back light. ### Claim 10 (depends on 1) The touch panel of claim 1, wherein the capacitive touch sensor is further configured to generate a sound signal in each user interaction. ### Claim 11 (depends on 1) The touch panel of claim 1, wherein the capacitive touch sensor has a circular shape or an arrow shape. ### Claim 12 (depends on 1) The touch panel of claim 1, wherein the wall mountable touch panel is a resistive touch panel. ### Claim 13 (depends on 1) The touch panel of claim 1, wherein the wall mountable touch panel is used to control a light, a fan, an electronic wall outlet, or a window covering. ### Claim 14 A touch panel for controlling a load device, the touch panel comprising: a capacitive touch sensor configured to receive a user touch input and to control the load device based on the user touch input; and a power interface unit that is physically separate from the capacitive touch sensor that is electrically coupled to the load device and to the touch sensor that transmits a low-voltage direct current (DC) power signal f to the touch sensor, wherein the touch panel is remotely mounted from the power interface to the touch panel and transmits a signal to the power interface to control the power interface. ### Claim 15 (depends on 14) The touch panel of claim 14, wherein the touch sensor is further configured to generate a sound signal in each user interaction. ### Claim 16 A capacitive touch panel suitable for use with an electrical gang/patress box, the touch panel comprising: a capacitive touch sensor configured to receive a user touch input and to control a light, a fan, an electronic wall outlet, or a window covering based on the user touch input, wherein the capacitive touch sensor is flat and includes an interface for connection to the electrical gang/patress box; and a power interface unit that is physically separate from the capacitive touch sensor that is configured to receive a direct current (DC) power signal having a voltage that is lower than an alternating current (AC) power signal that is accessible from within the electrical gang/patress box and to power the capacitive touch sensor, wherein no AC-DC transformation is performed in the wall mountable capacitive touch panel, and the touch panel is remotely mounted from the power interface unit and the touch panel and transmits a signal to the power interface to control the power interface. ### Claim 17 (depends on 16) The capacitive touch panel of claim 16, wherein the voltage of the low-voltage DC power signal is lower than a voltage threshold of around 36V.