Abstract: A computer-implemented method for designing a user-specific electronic tattoo that comprises obtaining a user-input is provided. The user-input includes one or more desired functions of the electronic tattoo and a desired appearance of the electronic tattoo. The method further comprises generating a design of the electronic tattoo based on the user-input. The generation of the design of the electronic tattoo includes determining an electronic circuit design which is capable of achieving the one or more desired functions. The generation further includes designing a final image of the electronic tattoo that mimics the desired appearance and incorporates the electronic circuit design.

Abstract: A refillable free ink writing instrument comprising a body having a rear end, a front end and an ink reservoir disposed between the rear end and the front end, a writing tip mounted on the front end, the writing tip having a portion in fluid communication with the ink reservoir, the writing tip being removable from the body for refill.

Abstract: A writing instrument extending along an axis and comprising a writing tip and an eraser, a first helical cam propelling mechanism configured to move the writing tip along the axis between a retracted position and a protruded position and a second helical cam propelling mechanism configured to move the eraser along the axis between a retracted position and a protruded position, the first helical cam propelling mechanism comprising a first cam follower and a first helical cam, the second helical cam propelling mechanism comprising a second cam follower and a second helical cam, each of the first cam follower, the first helical cam, the second cam follower and the second helical cam being provided on distinct elements.

Abstract: A nib for a refillable free ink writing felt pen includes a body and a dry ink tank including dry ink, the dry ink tank being delimited by the body of the nib and a dry ink tank wall including a breakable portion.

Abstract: A method for preparing a thermochromic water-based gel ink composition, as well as a thermochromic water-based gel ink composition thereof comprising a specific monocarboxylic or polycarboxylic acid. A writing instrument, such as a ballpoint pen, a brush pen, a marker, a highlighter, and a felt pen, comprising a thermochromic water-based gel ink composition according to the disclosure.

Abstract: A writing instrument comprises a body, a first data handling subsystem arranged in the body and configured to transmit and/or receive data, and a haptic feedback subsystem arranged in the body and configured to receive data from the first data handling subsystem. The haptic feedback subsystem is configured to provide a haptic feedback to a user based on data received from the first data handling subsystem.

Abstract: The present disclosure relates to a friction body for discoloring handwriting written with a thermochromic ink with frictional heat, wherein the friction body comprises a surface portion configured to generate frictional heat when manually rubbed on a porous substrate and wherein the surface portion has a thermal effusivity of less than about 300 J K?1 m?2 s?1/2.

Abstract: The present disclosure relates to a eradicable non-aqueous writing ink comprising a solvent, a gelling agent and a pH-sensitive water-soluble dye. The solvent is selected from 1,2-propanediol, diethylene glycol, monoethylene glycol and dimethylsulfoxide and/or mixtures thereof. The gelling agent comprises water-insoluble cellulose nanofibers and/or a mixture of silica particles and of a fatty acid amide wax. The pH-sensitive water-soluble dye is capable of changing from an initially colored state to a discolored state when the writing ink is exposed to an ink eradicator composition.

Abstract: A device for wirelessly charging electronics, the device comprising a housing, at least one writing instrument disposed in the housing, a power transmitter disposed inside or formed on the housing, the power transmitter being configured to transmit power for charging electronics, and a battery disposed inside or embedded in the housing, the battery being configured to provide power to the power transmitter to transmit the power.

Abstract: A multifunction writing instrument comprising a body extending along an axis and receiving at least two writing elements, each writing element comprising a writing tip and being movable between a protruded position in which the writing tip extends out of the body and a retracted position in which the writing tip is retracted within the body, and an actuating mechanism comprising a spinner configured to move one of the writing elements at a time, one after the other, from the retracted position to the protruded position, a ratchet receiving the spinner, and a single button configured to actuate the actuating mechanism.

Abstract: A manual device including a first portion and a second portion. The second portion being at least partially fitted into the first portion and being moveable in translation relative to the first portion. The first portion having a first distal end while the second portion has a second distal end opposite the first distal end. The second portion also includes a locking device designed to prevent the first portion from moving in translation relative to the second portion only when, considered in the direction of gravity. The first distal end is arranged above the second distal end, and the locking device includes a chamber and a ball or equivalent accommodated in the chamber. The chamber is provided only in the second portion.

Abstract: The present disclosure concerns non-aqueous gel writing ink including a solvent, a coloring agent and a gelling agent, in which the gelling agent is a mixture of silica particles and of a fatty acid amide wax. It also concerns the process of preparation of the non-aqueous gel writing ink and the use of a mixture of silica particles and of a fatty acid amide wax, as a gelling agent in a non-aqueous gel writing ink. It finally concerns a writing instrument containing the ink according to the present disclosure.

Abstract: The present disclosure relates to a writing instrument comprising a tubular body, a reservoir for an ink composition. The writing instrument comprises a nib comprising a switchable flow material, wherein the switchable flow material is configured to switch between a fluid flow preventing condition and a fluid flow enabling condition by a stimulus. The switchable flow material is configured to control flow of the ink composition from the reservoir to or towards a writing surface.

Abstract: A razor component comprises a cooling element, which is adapted to provide a cooling effect on a user's skin during a shaving operation, wherein the razor component includes a pressure-responsive phase-change component that is coupled to the cooling element.

Abstract: A cartridge for a razor comprises a plurality of blade supports, wherein at least one blade support further comprises a blade attached to an inner surface of the at least one blade support that faces away from a shaving surface, wherein the at least one blade support comprises a first optical feature disposed on a portion of an outer surface of the at least one blade support that faces towards the shaving surface, and wherein the first optical feature is a first thermochromic portion configured to change colour based on a temperature of the at least one blade support according to a first temperature response of the first thermochromic portion.

Abstract: A method for generating visual feedback based on a textual representation comprising obtaining and processing a textual representation, identifying at least one textual feature of the textual representation, assigning at least one feature value to the at least one textual feature, and generating visual feedback based on the textual representation. The generated visual feedback comprises at least one visual feature corresponding to the at least one textual feature. A system for generating visual feedback based on a textual representation, comprising a capturing subsystem configured to capture the textual representation, a processing subsystem configured to identify at least one textual feature and to generate visual feedback based on the textual representation, and a graphical user output configured to display the generated visual feedback. The visual feedback generated based on the textual representation comprises at least one visual feature corresponding to the at least one textual feature.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and polybutylene adipate terephthalate in a weight ratio polylactic acid/polybutylene adipate terephthalate ranging from 60/40 to 90/10, and b) from 5 to 40% of mineral fillers chosen in the group consisting of shellfish shells, more specifically oyster shells, and even more specifically milled oyster shells. There is also a pencil including the lead casing for the pencil of the disclosure, for writing, drawing, marking, plotting, and/or coloring as well as a method for manufacturing such a pencil.

Abstract: This invention concern a system (1) for recognizing online handwriting comprising:—a handwriting instrument (2) including a body (3) extending longitudinally between a first end (4) and a second end (5), the first end (4) having a writing tip (6) which is able to write on a support, the handwriting instrument (2) further including a module (17) comprising at least one motion sensor (7) configured to acquire motion data on the handwriting of a user when the user is calculating unit (8) communicating with the at least one motion sensor (7) and configured to analyze the motion data by a machine learning model trained in a multitask way such that it is capable of performing at least two tasks at the same time, the machine learning model being configured to deliver as an output the sequence of characters which was written by the user with the handwriting instrument.

Abstract: The present invention concerns a washable aqueous ink composition comprising: a) at least one alkali metal salt of citrate, b) at least one cyclodextrin or derivative thereof, c) at least one dye. It also concerns a writing instrument comprising it and the use of the association of a) at least one alkali metal salt of citrate and b) at least one cyclodextrin or derivative thereof, to improve the washability and/or vividness of the shades of a washable aqueous ink composition.