Razor having integral hair detection means

Details Razor having integral hair detection means Razor having integral hair detection means

1991-11-06

1992-11-24

Watts, Douglas D.

Cutlery

Razors

Combined

30 32, 381120, B26B 1942, B26B 2100, H03F 2100

Patent

active

051651700

ABSTRACT:
A razor having an integral hair detection means, the razor comprising a razor assembly mounted on a handle for brushing against a surface of a person's face and vibrating in response to contact with hairs thereon and a pickup coupled to the handle and responsive to vibrations produced therein for generating a corresponding signal. Electronic or acoustic audio frequency amplifying means are provided within the handle for amplifying the signal from the pickup as an audio frequency output. In use, the person shaving hears the amplified vibrations either directly via a loudspeaker or via an earpiece, so as to obtain feedback relating to the surface quality of the shave.

REFERENCES:
patent: 3736243 (1973-05-01), Duggan
patent: 3738000 (1973-06-01), Samko
patent: 3944756 (1976-03-01), Lininger
patent: 4473794 (1984-09-01), Early et al.
patent: 4479239 (1984-10-01), Rhines
patent: 4773158 (1988-09-01), Kertzman

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