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US 10,773,400 B2Granted
Programmable hair trimming system
AssigneeKoninklijke Philips N.V.
InventorKlaus Lauritsen
Life of this patent
Estimating the term…
Abstract
A hair trimming system arranged to detect the position of a hair trimming device in relation to a client's head, and to adjust its trimming length automatically and dynamically according to preprogrammed values at any given point during a hair trimming session.
Claims20
A programmable hair trimming system comprising:
- a hair trimming device including a hair cutting mechanism comprising a movable blade and a static blade, wherein the movable blade is movable with reference to the static blade to cut hair there between;
- an electromagnetic tracking system comprising an electromagnetic field transmitting device and an electromagnetic field sensing device, wherein the electromagnetic field sensing device is configured to detect a position within an electromagnetic field generated by the electromagnetic field transmitting device and thereby detect a position of the hair trimming device in relation to a head of a person on whom a hair trimming is being performed;
- a length adjusting mechanism coupled to the hair cutting mechanism, the length adjusting mechanism being configured to move the hair cutting mechanism relative to the head of the person on whom the hair trimming is being performed to set a hair trimming length of the hair cutting mechanism;
- and
- a processor coupled to the electromagnetic tracking system and the length adjusting mechanism and while the hair trimming device is guided by a user on the head of the person, the processor is configured to dynamically adjust the hair trimming length set by the length adjusting mechanism automatically according to a detected present position of the hair trimming device and previously generated hair length profile data that identifies a corresponding hair length only at various individual position points on the head, the processor being further configured to calculate and dynamically adjust the hair trimming length set by the length adjusting mechanism automatically for all hair lengths that correspond to hair trimming positions on the head other than the various individual position points and configured to dynamically adjust the hair trimming length set by the length adjusting mechanism automatically to the corresponding hair length when the detected present position is at the various individual position points.
2 more elements
A method of controlling a hair trimming device including a hair cutting mechanism to trim hair, the method comprising acts of:
- guiding the hair trimming device on a head of a person on whom a hair trimming is being performed;
- detecting positions of the hair trimming device on the head, wherein the detected positions correspond to individual position points on the head or do not correspond to the individual position points on the head;
- while the hair trimming device is guided on the head, calculating hair lengths for all the detected positions that correspond to hair trimming positions on the head that do not correspond to the various individual position points on the head based on previously generated hair length profile data that identifies a corresponding hair length only at the various individual position points;
- and
- while the hair cutting mechanism is guided on the head, dynamically adjusting a hair trimming length of the hair cutting mechanism automatically according to the detected, positions and the calculated hair lengths for all the detected positions that correspond to hair trimming positions on the head other than the various individual position points, and
- while the hair cutting mechanism is guided on the head, dynamically adjusting the hair trimming length set by the length adjusting mechanism automatically to the corresponding hair length when any of the detected positions are one of the various individual position points.
3 more elements
Dependencies are inferred from the claim text.