Measuring equipment of fat and water amount existing on the object

• US 5,755,672 A
• Filed: 06/18/1996
• Issued: 05/26/1998
• Est. Priority Date: 11/30/1995
• Status: Expired due to Fees

• Current Assignee: Moritex Corporation (Cognex Corporation)
• Original Assignee: Moritex Corporation (Cognex Corporation)
• Inventors: Toyota, Makoto, Arai, Junichi
• Primary Examiner(s): Bahr, Jennifer
• Assistant Examiner(s): WINAKUR, ERIC FRANK
• Application Number:
  US08/665,678
• Time in Patent Office: 707 Days
• Field of Search: 128/632, 128/757, 128/759, 128/760, 128/734, 128/743, 128/744, 128/749, 324/692, 324/694, 324/696, 324/722, 250/301, 356/70, 73/53.01, 600/309, 600/372, 600/547, 600/556, 600/557, 600/562, 600/570, 600/572, 600/573
• US Class Current: 600/547
• CPC Class Codes: A61B 5/441 Skin evaluation, e.g. for skin disorder diagnosis
• CPC Class Codes: A61B 5/443 Evaluating skin constituents, e.g. elastin, melanin, water

Abstract

Making a measurement device that measures the water content and oil content of the skin into a portable size such that a female beautician can put it in a bag and easily carry it. Because a freely detachable oil content sample cap can be mounted so that it fits onto a measurement probe on the tip of which has been arranged a water content sensor to detect the amount of water on the surface of the sample under examination, when measuring the amount of water content, the water content sensor on the tip of the measurement probe may be pressed onto the surface of the sample under examination as is, or, when measuring the amount of oil content, after sampling the oil content by mounting an oil content sample cap on the tip of the measurement probe, that oil content sample cap may be removed from the measurement probe and inserted into an oil content measurement hole, and therefore, a water content measurement device and an oil content measurement device may be jointly used with a single measurement probe, and consequently, it is not necessary to provide multiple probes, and the device can be made small-scale.

Claims

1. An oil and water content measurement device for measuring the amount of oil and the amount of water adhering to the surface of a specimen under examination, the device comprising:

a main body;

a measurement probe projecting from said main body and having a tip, a water content sensor arranged on the tip of said probe for detecting the amount of water content on the surface of a specimen under examination, the water content sensor having an output signal dependent on said amount of water content, and a means for measuring the amount of water content which calculates the amount of water content based on the output signal of said water content sensor;

an oil sample cap detachably mounted on the tip of said measurement probe such that it covers said water content sensor, said oil sample cap having an oil content sampling surface;

the main body having an oil content measurement hole for removably receiving said oil sample cap after collection of a sample, an oil content detection optical system positioned in said main body adjacent said oil content measurement hole for irradiating with light the oil content sampling surface of the oil sample cap and detecting light reflected from said oil content sampling surface, the oil content detection optical system having output signals dependent on the amount of reflected light detected, and an amount of oil content measuring means for calculating the amount of oil content based on the output signals of said oil content detection optical system; and

a display part for displaying the amount of water content and the amount of oil content calculated by said amount of water content measurement means and said amount of oil content measuring means.

2. The oil and water content measurement device as claimed in claim 1 in which said amount of water content measurement means, said amount of oil content measurement means, and said display part are arranged on the main body of the device.

3. An oil and water content measurement device for measuring the amount of oil and the amount of water adhering to the surface of a specimen under examination, the device comprising:

a main body;

a measurement probe projecting from said main body and having a tip, a water content sensor arranged on the tip of said probe for detecting the amount of water content on the surface of a specimen under examination, the water content sensor having an output signal dependent on said amount of water content, and a means for measuring the amount of water content which calculates the amount of water content based on the output signal of said water content sensor;

an oil sample cap detachably mounted on the tip of said measurement probe such that it covers said water content sensor, said oil sample cap having an oil content sampling surface;

the main body having an oil content measurement hole for removably receiving said oil sample cap after collection of a sample, an oil content detection optical system positioned in said main body adjacent said oil content measurement hole for irradiating with light the oil content sampling surface of the oil sample cap and detecting light reflected from said oil content sampling surface, the oil content detection optical system having output signals dependent on the amount of reflected light detected, and an amount of oil content measuring means for calculating the amount of oil content based on the output signals of said oil content detection optical system;

a display part for displaying the amount of water content and the amount of oil content calculated by said amount of water content measurement means and said amount of oil content measuring means; and

a switching sleeve slidably mounted on said measurement probe for movement between extended and retracted positions and attached to said water sensor;

a switch in said main body positioned for activation when the switching sleeve is pressed into said retracted position;

wherein, during amount of water measurement, switch signals are output to activate the amount of water content measurement means when the water content sensor is pressed onto the sample under examination; and

a timer for producing a warning sound when a fixed amount of time has elapsed after activation of the timer;

said switch further comprising means for producing switch signals for activating said timer during amount of oil content measurement when the oil sample cap is pressed onto the specimen under examination.